1 //! Linux-specific definitions for linux-like values
2 
3 pub type useconds_t = u32;
4 pub type dev_t = u64;
5 pub type socklen_t = u32;
6 pub type mode_t = u32;
7 pub type ino64_t = u64;
8 pub type off64_t = i64;
9 pub type blkcnt64_t = i64;
10 pub type rlim64_t = u64;
11 pub type mqd_t = ::c_int;
12 pub type nfds_t = ::c_ulong;
13 pub type nl_item = ::c_int;
14 pub type idtype_t = ::c_uint;
15 pub type loff_t = ::c_longlong;
16 pub type pthread_key_t = ::c_uint;
17 
18 pub type __u8 = ::c_uchar;
19 pub type __u16 = ::c_ushort;
20 pub type __s16 = ::c_short;
21 pub type __u32 = ::c_uint;
22 pub type __s32 = ::c_int;
23 
24 pub type Elf32_Half = u16;
25 pub type Elf32_Word = u32;
26 pub type Elf32_Off = u32;
27 pub type Elf32_Addr = u32;
28 
29 pub type Elf64_Half = u16;
30 pub type Elf64_Word = u32;
31 pub type Elf64_Off = u64;
32 pub type Elf64_Addr = u64;
33 pub type Elf64_Xword = u64;
34 pub type Elf64_Sxword = i64;
35 
36 pub type Elf32_Section = u16;
37 pub type Elf64_Section = u16;
38 
39 // linux/can.h
40 pub type canid_t = u32;
41 pub type can_err_mask_t = u32;
42 
43 pub type iconv_t = *mut ::c_void;
44 
45 #[cfg_attr(feature = "extra_traits", derive(Debug))]
46 pub enum fpos64_t {} // FIXME: fill this out with a struct
47 impl ::Copy for fpos64_t {}
48 impl ::Clone for fpos64_t {
49     fn clone(&self) -> fpos64_t {
50         *self
51     }
52 }
53 
54 s! {
55     pub struct rlimit64 {
56         pub rlim_cur: rlim64_t,
57         pub rlim_max: rlim64_t,
58     }
59 
60     pub struct glob_t {
61         pub gl_pathc: ::size_t,
62         pub gl_pathv: *mut *mut c_char,
63         pub gl_offs: ::size_t,
64         pub gl_flags: ::c_int,
65 
66         __unused1: *mut ::c_void,
67         __unused2: *mut ::c_void,
68         __unused3: *mut ::c_void,
69         __unused4: *mut ::c_void,
70         __unused5: *mut ::c_void,
71     }
72 
73     pub struct passwd {
74         pub pw_name: *mut ::c_char,
75         pub pw_passwd: *mut ::c_char,
76         pub pw_uid: ::uid_t,
77         pub pw_gid: ::gid_t,
78         pub pw_gecos: *mut ::c_char,
79         pub pw_dir: *mut ::c_char,
80         pub pw_shell: *mut ::c_char,
81     }
82 
83     pub struct spwd {
84         pub sp_namp: *mut ::c_char,
85         pub sp_pwdp: *mut ::c_char,
86         pub sp_lstchg: ::c_long,
87         pub sp_min: ::c_long,
88         pub sp_max: ::c_long,
89         pub sp_warn: ::c_long,
90         pub sp_inact: ::c_long,
91         pub sp_expire: ::c_long,
92         pub sp_flag: ::c_ulong,
93     }
94 
95     pub struct dqblk {
96         pub dqb_bhardlimit: u64,
97         pub dqb_bsoftlimit: u64,
98         pub dqb_curspace: u64,
99         pub dqb_ihardlimit: u64,
100         pub dqb_isoftlimit: u64,
101         pub dqb_curinodes: u64,
102         pub dqb_btime: u64,
103         pub dqb_itime: u64,
104         pub dqb_valid: u32,
105     }
106 
107     pub struct signalfd_siginfo {
108         pub ssi_signo: u32,
109         pub ssi_errno: i32,
110         pub ssi_code: i32,
111         pub ssi_pid: u32,
112         pub ssi_uid: u32,
113         pub ssi_fd: i32,
114         pub ssi_tid: u32,
115         pub ssi_band: u32,
116         pub ssi_overrun: u32,
117         pub ssi_trapno: u32,
118         pub ssi_status: i32,
119         pub ssi_int: i32,
120         pub ssi_ptr: u64,
121         pub ssi_utime: u64,
122         pub ssi_stime: u64,
123         pub ssi_addr: u64,
124         pub ssi_addr_lsb: u16,
125         _pad2: u16,
126         pub ssi_syscall: i32,
127         pub ssi_call_addr: u64,
128         pub ssi_arch: u32,
129         _pad: [u8; 28],
130     }
131 
132     pub struct itimerspec {
133         pub it_interval: ::timespec,
134         pub it_value: ::timespec,
135     }
136 
137     pub struct fsid_t {
138         __val: [::c_int; 2],
139     }
140 
141     pub struct packet_mreq {
142         pub mr_ifindex: ::c_int,
143         pub mr_type: ::c_ushort,
144         pub mr_alen: ::c_ushort,
145         pub mr_address: [::c_uchar; 8],
146     }
147 
148     pub struct cpu_set_t {
149         #[cfg(all(target_pointer_width = "32",
150                   not(target_arch = "x86_64")))]
151         bits: [u32; 32],
152         #[cfg(not(all(target_pointer_width = "32",
153                       not(target_arch = "x86_64"))))]
154         bits: [u64; 16],
155     }
156 
157     pub struct if_nameindex {
158         pub if_index: ::c_uint,
159         pub if_name: *mut ::c_char,
160     }
161 
162     // System V IPC
163     pub struct msginfo {
164         pub msgpool: ::c_int,
165         pub msgmap: ::c_int,
166         pub msgmax: ::c_int,
167         pub msgmnb: ::c_int,
168         pub msgmni: ::c_int,
169         pub msgssz: ::c_int,
170         pub msgtql: ::c_int,
171         pub msgseg: ::c_ushort,
172     }
173 
174     pub struct sembuf {
175         pub sem_num: ::c_ushort,
176         pub sem_op: ::c_short,
177         pub sem_flg: ::c_short,
178     }
179 
180     pub struct input_event {
181         pub time: ::timeval,
182         pub type_: ::__u16,
183         pub code: ::__u16,
184         pub value: ::__s32,
185     }
186 
187     pub struct input_id {
188         pub bustype: ::__u16,
189         pub vendor: ::__u16,
190         pub product: ::__u16,
191         pub version: ::__u16,
192     }
193 
194     pub struct input_absinfo {
195         pub value: ::__s32,
196         pub minimum: ::__s32,
197         pub maximum: ::__s32,
198         pub fuzz: ::__s32,
199         pub flat: ::__s32,
200         pub resolution: ::__s32,
201     }
202 
203     pub struct input_keymap_entry {
204         pub flags: ::__u8,
205         pub len: ::__u8,
206         pub index: ::__u16,
207         pub keycode: ::__u32,
208         pub scancode: [::__u8; 32],
209     }
210 
211     pub struct input_mask {
212         pub type_: ::__u32,
213         pub codes_size: ::__u32,
214         pub codes_ptr: ::__u64,
215     }
216 
217     pub struct ff_replay {
218         pub length: ::__u16,
219         pub delay: ::__u16,
220     }
221 
222     pub struct ff_trigger {
223         pub button: ::__u16,
224         pub interval: ::__u16,
225     }
226 
227     pub struct ff_envelope {
228         pub attack_length: ::__u16,
229         pub attack_level: ::__u16,
230         pub fade_length: ::__u16,
231         pub fade_level: ::__u16,
232     }
233 
234     pub struct ff_constant_effect {
235         pub level: ::__s16,
236         pub envelope: ff_envelope,
237     }
238 
239     pub struct ff_ramp_effect {
240         pub start_level: ::__s16,
241         pub end_level: ::__s16,
242         pub envelope: ff_envelope,
243     }
244 
245     pub struct ff_condition_effect {
246         pub right_saturation: ::__u16,
247         pub left_saturation: ::__u16,
248 
249         pub right_coeff: ::__s16,
250         pub left_coeff: ::__s16,
251 
252         pub deadband: ::__u16,
253         pub center: ::__s16,
254     }
255 
256     pub struct ff_periodic_effect {
257         pub waveform: ::__u16,
258         pub period: ::__u16,
259         pub magnitude: ::__s16,
260         pub offset: ::__s16,
261         pub phase: ::__u16,
262 
263         pub envelope: ff_envelope,
264 
265         pub custom_len: ::__u32,
266         pub custom_data: *mut ::__s16,
267     }
268 
269     pub struct ff_rumble_effect {
270         pub strong_magnitude: ::__u16,
271         pub weak_magnitude: ::__u16,
272     }
273 
274     pub struct ff_effect {
275         pub type_: ::__u16,
276         pub id: ::__s16,
277         pub direction: ::__u16,
278         pub trigger: ff_trigger,
279         pub replay: ff_replay,
280         // FIXME this is actually a union
281         #[cfg(target_pointer_width = "64")]
282         pub u: [u64; 4],
283         #[cfg(target_pointer_width = "32")]
284         pub u: [u32; 7],
285     }
286 
287     pub struct dl_phdr_info {
288         #[cfg(target_pointer_width = "64")]
289         pub dlpi_addr: Elf64_Addr,
290         #[cfg(target_pointer_width = "32")]
291         pub dlpi_addr: Elf32_Addr,
292 
293         pub dlpi_name: *const ::c_char,
294 
295         #[cfg(target_pointer_width = "64")]
296         pub dlpi_phdr: *const Elf64_Phdr,
297         #[cfg(target_pointer_width = "32")]
298         pub dlpi_phdr: *const Elf32_Phdr,
299 
300         #[cfg(target_pointer_width = "64")]
301         pub dlpi_phnum: Elf64_Half,
302         #[cfg(target_pointer_width = "32")]
303         pub dlpi_phnum: Elf32_Half,
304 
305         // As of uClibc 1.0.36, the following fields are
306         // gated behind a "#if 0" block which always evaluates
307         // to false. So I'm just removing these, and if uClibc changes
308         // the #if block in the future to include the following fields, these
309         // will probably need including here. tsidea, skrap
310         #[cfg(not(target_env = "uclibc"))]
311         pub dlpi_adds: ::c_ulonglong,
312         #[cfg(not(target_env = "uclibc"))]
313         pub dlpi_subs: ::c_ulonglong,
314         #[cfg(not(target_env = "uclibc"))]
315         pub dlpi_tls_modid: ::size_t,
316         #[cfg(not(target_env = "uclibc"))]
317         pub dlpi_tls_data: *mut ::c_void,
318     }
319 
320     pub struct Elf32_Ehdr {
321         pub e_ident: [::c_uchar; 16],
322         pub e_type: Elf32_Half,
323         pub e_machine: Elf32_Half,
324         pub e_version: Elf32_Word,
325         pub e_entry: Elf32_Addr,
326         pub e_phoff: Elf32_Off,
327         pub e_shoff: Elf32_Off,
328         pub e_flags: Elf32_Word,
329         pub e_ehsize: Elf32_Half,
330         pub e_phentsize: Elf32_Half,
331         pub e_phnum: Elf32_Half,
332         pub e_shentsize: Elf32_Half,
333         pub e_shnum: Elf32_Half,
334         pub e_shstrndx: Elf32_Half,
335     }
336 
337     pub struct Elf64_Ehdr {
338         pub e_ident: [::c_uchar; 16],
339         pub e_type: Elf64_Half,
340         pub e_machine: Elf64_Half,
341         pub e_version: Elf64_Word,
342         pub e_entry: Elf64_Addr,
343         pub e_phoff: Elf64_Off,
344         pub e_shoff: Elf64_Off,
345         pub e_flags: Elf64_Word,
346         pub e_ehsize: Elf64_Half,
347         pub e_phentsize: Elf64_Half,
348         pub e_phnum: Elf64_Half,
349         pub e_shentsize: Elf64_Half,
350         pub e_shnum: Elf64_Half,
351         pub e_shstrndx: Elf64_Half,
352     }
353 
354     pub struct Elf32_Sym {
355         pub st_name: Elf32_Word,
356         pub st_value: Elf32_Addr,
357         pub st_size: Elf32_Word,
358         pub st_info: ::c_uchar,
359         pub st_other: ::c_uchar,
360         pub st_shndx: Elf32_Section,
361     }
362 
363     pub struct Elf64_Sym {
364         pub st_name: Elf64_Word,
365         pub st_info: ::c_uchar,
366         pub st_other: ::c_uchar,
367         pub st_shndx: Elf64_Section,
368         pub st_value: Elf64_Addr,
369         pub st_size: Elf64_Xword,
370     }
371 
372     pub struct Elf32_Phdr {
373         pub p_type: Elf32_Word,
374         pub p_offset: Elf32_Off,
375         pub p_vaddr: Elf32_Addr,
376         pub p_paddr: Elf32_Addr,
377         pub p_filesz: Elf32_Word,
378         pub p_memsz: Elf32_Word,
379         pub p_flags: Elf32_Word,
380         pub p_align: Elf32_Word,
381     }
382 
383     pub struct Elf64_Phdr {
384         pub p_type: Elf64_Word,
385         pub p_flags: Elf64_Word,
386         pub p_offset: Elf64_Off,
387         pub p_vaddr: Elf64_Addr,
388         pub p_paddr: Elf64_Addr,
389         pub p_filesz: Elf64_Xword,
390         pub p_memsz: Elf64_Xword,
391         pub p_align: Elf64_Xword,
392     }
393 
394     pub struct Elf32_Shdr {
395         pub sh_name: Elf32_Word,
396         pub sh_type: Elf32_Word,
397         pub sh_flags: Elf32_Word,
398         pub sh_addr: Elf32_Addr,
399         pub sh_offset: Elf32_Off,
400         pub sh_size: Elf32_Word,
401         pub sh_link: Elf32_Word,
402         pub sh_info: Elf32_Word,
403         pub sh_addralign: Elf32_Word,
404         pub sh_entsize: Elf32_Word,
405     }
406 
407     pub struct Elf64_Shdr {
408         pub sh_name: Elf64_Word,
409         pub sh_type: Elf64_Word,
410         pub sh_flags: Elf64_Xword,
411         pub sh_addr: Elf64_Addr,
412         pub sh_offset: Elf64_Off,
413         pub sh_size: Elf64_Xword,
414         pub sh_link: Elf64_Word,
415         pub sh_info: Elf64_Word,
416         pub sh_addralign: Elf64_Xword,
417         pub sh_entsize: Elf64_Xword,
418     }
419 
420     pub struct ucred {
421         pub pid: ::pid_t,
422         pub uid: ::uid_t,
423         pub gid: ::gid_t,
424     }
425 
426     pub struct mntent {
427         pub mnt_fsname: *mut ::c_char,
428         pub mnt_dir: *mut ::c_char,
429         pub mnt_type: *mut ::c_char,
430         pub mnt_opts: *mut ::c_char,
431         pub mnt_freq: ::c_int,
432         pub mnt_passno: ::c_int,
433     }
434 
435     pub struct posix_spawn_file_actions_t {
436         __allocated: ::c_int,
437         __used: ::c_int,
438         __actions: *mut ::c_int,
439         __pad: [::c_int; 16],
440     }
441 
442     pub struct posix_spawnattr_t {
443         __flags: ::c_short,
444         __pgrp: ::pid_t,
445         __sd: ::sigset_t,
446         __ss: ::sigset_t,
447         #[cfg(target_env = "musl")]
448         __prio: ::c_int,
449         #[cfg(not(target_env = "musl"))]
450         __sp: ::sched_param,
451         __policy: ::c_int,
452         __pad: [::c_int; 16],
453     }
454 
455     pub struct genlmsghdr {
456         pub cmd: u8,
457         pub version: u8,
458         pub reserved: u16,
459     }
460 
461     pub struct in6_pktinfo {
462         pub ipi6_addr: ::in6_addr,
463         pub ipi6_ifindex: ::c_uint,
464     }
465 
466     pub struct arpd_request {
467         pub req: ::c_ushort,
468         pub ip: u32,
469         pub dev: ::c_ulong,
470         pub stamp: ::c_ulong,
471         pub updated: ::c_ulong,
472         pub ha: [::c_uchar; ::MAX_ADDR_LEN],
473     }
474 
475     pub struct inotify_event {
476         pub wd: ::c_int,
477         pub mask: u32,
478         pub cookie: u32,
479         pub len: u32
480     }
481 
482     pub struct fanotify_response {
483         pub fd: ::c_int,
484         pub response: __u32,
485     }
486 
487     pub struct sockaddr_vm {
488         pub svm_family: ::sa_family_t,
489         pub svm_reserved1: ::c_ushort,
490         pub svm_port: ::c_uint,
491         pub svm_cid: ::c_uint,
492         pub svm_zero: [u8; 4]
493     }
494 
495     pub struct regmatch_t {
496         pub rm_so: regoff_t,
497         pub rm_eo: regoff_t,
498     }
499 
500     pub struct sock_extended_err {
501         pub ee_errno: u32,
502         pub ee_origin: u8,
503         pub ee_type: u8,
504         pub ee_code: u8,
505         pub ee_pad: u8,
506         pub ee_info: u32,
507         pub ee_data: u32,
508     }
509 
510     // linux/can.h
511     pub struct __c_anonymous_sockaddr_can_tp {
512         pub rx_id: canid_t,
513         pub tx_id: canid_t,
514     }
515 
516     pub struct __c_anonymous_sockaddr_can_j1939 {
517         pub name: u64,
518         pub pgn: u32,
519         pub addr: u8,
520     }
521 
522     pub struct can_filter {
523         pub can_id: canid_t,
524         pub can_mask: canid_t,
525     }
526 }
527 
528 s_no_extra_traits! {
529     pub struct sockaddr_nl {
530         pub nl_family: ::sa_family_t,
531         nl_pad: ::c_ushort,
532         pub nl_pid: u32,
533         pub nl_groups: u32
534     }
535 
536     pub struct dirent {
537         pub d_ino: ::ino_t,
538         pub d_off: ::off_t,
539         pub d_reclen: ::c_ushort,
540         pub d_type: ::c_uchar,
541         pub d_name: [::c_char; 256],
542     }
543 
544     pub struct dirent64 {
545         pub d_ino: ::ino64_t,
546         pub d_off: ::off64_t,
547         pub d_reclen: ::c_ushort,
548         pub d_type: ::c_uchar,
549         pub d_name: [::c_char; 256],
550     }
551 
552     pub struct sockaddr_alg {
553         pub salg_family: ::sa_family_t,
554         pub salg_type: [::c_uchar; 14],
555         pub salg_feat: u32,
556         pub salg_mask: u32,
557         pub salg_name: [::c_uchar; 64],
558     }
559 
560     /// WARNING: The `PartialEq`, `Eq` and `Hash` implementations of this
561     /// type are unsound and will be removed in the future.
562     #[deprecated(
563         note = "this struct has unsafe trait implementations that will be \
564                 removed in the future",
565         since = "0.2.80"
566     )]
567     pub struct af_alg_iv {
568         pub ivlen: u32,
569         pub iv: [::c_uchar; 0],
570     }
571 
572     // x32 compatibility
573     // See https://sourceware.org/bugzilla/show_bug.cgi?id=21279
574     pub struct mq_attr {
575         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
576         pub mq_flags: i64,
577         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
578         pub mq_maxmsg: i64,
579         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
580         pub mq_msgsize: i64,
581         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
582         pub mq_curmsgs: i64,
583         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
584         pad: [i64; 4],
585 
586         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
587         pub mq_flags: ::c_long,
588         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
589         pub mq_maxmsg: ::c_long,
590         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
591         pub mq_msgsize: ::c_long,
592         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
593         pub mq_curmsgs: ::c_long,
594         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
595         pad: [::c_long; 4],
596     }
597 }
598 
599 cfg_if! {
600     if #[cfg(libc_union)] {
601         s_no_extra_traits! {
602             // linux/can.h
603             #[allow(missing_debug_implementations)]
604             pub union __c_anonymous_sockaddr_can_can_addr {
605                 pub tp: __c_anonymous_sockaddr_can_tp,
606                 pub j1939: __c_anonymous_sockaddr_can_j1939,
607             }
608 
609             #[allow(missing_debug_implementations)]
610             pub struct sockaddr_can {
611                 pub can_family: ::sa_family_t,
612                 pub can_ifindex: ::c_int,
613                 pub can_addr: __c_anonymous_sockaddr_can_can_addr,
614             }
615         }
616     }
617 }
618 
619 cfg_if! {
620     if #[cfg(feature = "extra_traits")] {
621         impl PartialEq for sockaddr_nl {
622             fn eq(&self, other: &sockaddr_nl) -> bool {
623                 self.nl_family == other.nl_family &&
624                     self.nl_pid == other.nl_pid &&
625                     self.nl_groups == other.nl_groups
626             }
627         }
628         impl Eq for sockaddr_nl {}
629         impl ::fmt::Debug for sockaddr_nl {
630             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
631                 f.debug_struct("sockaddr_nl")
632                     .field("nl_family", &self.nl_family)
633                     .field("nl_pid", &self.nl_pid)
634                     .field("nl_groups", &self.nl_groups)
635                     .finish()
636             }
637         }
638         impl ::hash::Hash for sockaddr_nl {
639             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
640                 self.nl_family.hash(state);
641                 self.nl_pid.hash(state);
642                 self.nl_groups.hash(state);
643             }
644         }
645 
646         impl PartialEq for dirent {
647             fn eq(&self, other: &dirent) -> bool {
648                 self.d_ino == other.d_ino
649                     && self.d_off == other.d_off
650                     && self.d_reclen == other.d_reclen
651                     && self.d_type == other.d_type
652                     && self
653                     .d_name
654                     .iter()
655                     .zip(other.d_name.iter())
656                     .all(|(a,b)| a == b)
657             }
658         }
659 
660         impl Eq for dirent {}
661 
662         impl ::fmt::Debug for dirent {
663             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
664                 f.debug_struct("dirent")
665                     .field("d_ino", &self.d_ino)
666                     .field("d_off", &self.d_off)
667                     .field("d_reclen", &self.d_reclen)
668                     .field("d_type", &self.d_type)
669                 // FIXME: .field("d_name", &self.d_name)
670                     .finish()
671             }
672         }
673 
674         impl ::hash::Hash for dirent {
675             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
676                 self.d_ino.hash(state);
677                 self.d_off.hash(state);
678                 self.d_reclen.hash(state);
679                 self.d_type.hash(state);
680                 self.d_name.hash(state);
681             }
682         }
683 
684         impl PartialEq for dirent64 {
685             fn eq(&self, other: &dirent64) -> bool {
686                 self.d_ino == other.d_ino
687                     && self.d_off == other.d_off
688                     && self.d_reclen == other.d_reclen
689                     && self.d_type == other.d_type
690                     && self
691                     .d_name
692                     .iter()
693                     .zip(other.d_name.iter())
694                     .all(|(a,b)| a == b)
695             }
696         }
697 
698         impl Eq for dirent64 {}
699 
700         impl ::fmt::Debug for dirent64 {
701             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
702                 f.debug_struct("dirent64")
703                     .field("d_ino", &self.d_ino)
704                     .field("d_off", &self.d_off)
705                     .field("d_reclen", &self.d_reclen)
706                     .field("d_type", &self.d_type)
707                 // FIXME: .field("d_name", &self.d_name)
708                     .finish()
709             }
710         }
711 
712         impl ::hash::Hash for dirent64 {
713             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
714                 self.d_ino.hash(state);
715                 self.d_off.hash(state);
716                 self.d_reclen.hash(state);
717                 self.d_type.hash(state);
718                 self.d_name.hash(state);
719             }
720         }
721 
722         impl PartialEq for pthread_cond_t {
723             fn eq(&self, other: &pthread_cond_t) -> bool {
724                 self.size.iter().zip(other.size.iter()).all(|(a,b)| a == b)
725             }
726         }
727 
728         impl Eq for pthread_cond_t {}
729 
730         impl ::fmt::Debug for pthread_cond_t {
731             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
732                 f.debug_struct("pthread_cond_t")
733                 // FIXME: .field("size", &self.size)
734                     .finish()
735             }
736         }
737 
738         impl ::hash::Hash for pthread_cond_t {
739             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
740                 self.size.hash(state);
741             }
742         }
743 
744         impl PartialEq for pthread_mutex_t {
745             fn eq(&self, other: &pthread_mutex_t) -> bool {
746                 self.size.iter().zip(other.size.iter()).all(|(a,b)| a == b)
747             }
748         }
749 
750         impl Eq for pthread_mutex_t {}
751 
752         impl ::fmt::Debug for pthread_mutex_t {
753             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
754                 f.debug_struct("pthread_mutex_t")
755                 // FIXME: .field("size", &self.size)
756                     .finish()
757             }
758         }
759 
760         impl ::hash::Hash for pthread_mutex_t {
761             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
762                 self.size.hash(state);
763             }
764         }
765 
766         impl PartialEq for pthread_rwlock_t {
767             fn eq(&self, other: &pthread_rwlock_t) -> bool {
768                 self.size.iter().zip(other.size.iter()).all(|(a,b)| a == b)
769             }
770         }
771 
772         impl Eq for pthread_rwlock_t {}
773 
774         impl ::fmt::Debug for pthread_rwlock_t {
775             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
776                 f.debug_struct("pthread_rwlock_t")
777                 // FIXME: .field("size", &self.size)
778                     .finish()
779             }
780         }
781 
782         impl ::hash::Hash for pthread_rwlock_t {
783             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
784                 self.size.hash(state);
785             }
786         }
787 
788         impl PartialEq for sockaddr_alg {
789             fn eq(&self, other: &sockaddr_alg) -> bool {
790                 self.salg_family == other.salg_family
791                     && self
792                     .salg_type
793                     .iter()
794                     .zip(other.salg_type.iter())
795                     .all(|(a, b)| a == b)
796                     && self.salg_feat == other.salg_feat
797                     && self.salg_mask == other.salg_mask
798                     && self
799                     .salg_name
800                     .iter()
801                     .zip(other.salg_name.iter())
802                     .all(|(a, b)| a == b)
803            }
804         }
805 
806         impl Eq for sockaddr_alg {}
807 
808         impl ::fmt::Debug for sockaddr_alg {
809             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
810                 f.debug_struct("sockaddr_alg")
811                     .field("salg_family", &self.salg_family)
812                     .field("salg_type", &self.salg_type)
813                     .field("salg_feat", &self.salg_feat)
814                     .field("salg_mask", &self.salg_mask)
815                     .field("salg_name", &&self.salg_name[..])
816                     .finish()
817             }
818         }
819 
820         impl ::hash::Hash for sockaddr_alg {
821             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
822                 self.salg_family.hash(state);
823                 self.salg_type.hash(state);
824                 self.salg_feat.hash(state);
825                 self.salg_mask.hash(state);
826                 self.salg_name.hash(state);
827             }
828         }
829 
830         #[allow(deprecated)]
831         impl af_alg_iv {
832             fn as_slice(&self) -> &[u8] {
833                 unsafe {
834                     ::core::slice::from_raw_parts(
835                         self.iv.as_ptr(),
836                         self.ivlen as usize
837                     )
838                 }
839             }
840         }
841 
842         #[allow(deprecated)]
843         impl PartialEq for af_alg_iv {
844             fn eq(&self, other: &af_alg_iv) -> bool {
845                 *self.as_slice() == *other.as_slice()
846            }
847         }
848 
849         #[allow(deprecated)]
850         impl Eq for af_alg_iv {}
851 
852         #[allow(deprecated)]
853         impl ::fmt::Debug for af_alg_iv {
854             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
855                 f.debug_struct("af_alg_iv")
856                     .field("ivlen", &self.ivlen)
857                     .finish()
858             }
859         }
860 
861         #[allow(deprecated)]
862         impl ::hash::Hash for af_alg_iv {
863             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
864                 self.as_slice().hash(state);
865             }
866         }
867 
868         impl PartialEq for mq_attr {
869             fn eq(&self, other: &mq_attr) -> bool {
870                 self.mq_flags == other.mq_flags &&
871                 self.mq_maxmsg == other.mq_maxmsg &&
872                 self.mq_msgsize == other.mq_msgsize &&
873                 self.mq_curmsgs == other.mq_curmsgs
874             }
875         }
876         impl Eq for mq_attr {}
877         impl ::fmt::Debug for mq_attr {
878             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
879                 f.debug_struct("mq_attr")
880                     .field("mq_flags", &self.mq_flags)
881                     .field("mq_maxmsg", &self.mq_maxmsg)
882                     .field("mq_msgsize", &self.mq_msgsize)
883                     .field("mq_curmsgs", &self.mq_curmsgs)
884                     .finish()
885             }
886         }
887         impl ::hash::Hash for mq_attr {
888             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
889                 self.mq_flags.hash(state);
890                 self.mq_maxmsg.hash(state);
891                 self.mq_msgsize.hash(state);
892                 self.mq_curmsgs.hash(state);
893             }
894         }
895     }
896 }
897 
898 cfg_if! {
899     if #[cfg(any(target_env = "gnu", target_env = "musl"))] {
900         pub const ABDAY_1: ::nl_item = 0x20000;
901         pub const ABDAY_2: ::nl_item = 0x20001;
902         pub const ABDAY_3: ::nl_item = 0x20002;
903         pub const ABDAY_4: ::nl_item = 0x20003;
904         pub const ABDAY_5: ::nl_item = 0x20004;
905         pub const ABDAY_6: ::nl_item = 0x20005;
906         pub const ABDAY_7: ::nl_item = 0x20006;
907 
908         pub const DAY_1: ::nl_item = 0x20007;
909         pub const DAY_2: ::nl_item = 0x20008;
910         pub const DAY_3: ::nl_item = 0x20009;
911         pub const DAY_4: ::nl_item = 0x2000A;
912         pub const DAY_5: ::nl_item = 0x2000B;
913         pub const DAY_6: ::nl_item = 0x2000C;
914         pub const DAY_7: ::nl_item = 0x2000D;
915 
916         pub const ABMON_1: ::nl_item = 0x2000E;
917         pub const ABMON_2: ::nl_item = 0x2000F;
918         pub const ABMON_3: ::nl_item = 0x20010;
919         pub const ABMON_4: ::nl_item = 0x20011;
920         pub const ABMON_5: ::nl_item = 0x20012;
921         pub const ABMON_6: ::nl_item = 0x20013;
922         pub const ABMON_7: ::nl_item = 0x20014;
923         pub const ABMON_8: ::nl_item = 0x20015;
924         pub const ABMON_9: ::nl_item = 0x20016;
925         pub const ABMON_10: ::nl_item = 0x20017;
926         pub const ABMON_11: ::nl_item = 0x20018;
927         pub const ABMON_12: ::nl_item = 0x20019;
928 
929         pub const MON_1: ::nl_item = 0x2001A;
930         pub const MON_2: ::nl_item = 0x2001B;
931         pub const MON_3: ::nl_item = 0x2001C;
932         pub const MON_4: ::nl_item = 0x2001D;
933         pub const MON_5: ::nl_item = 0x2001E;
934         pub const MON_6: ::nl_item = 0x2001F;
935         pub const MON_7: ::nl_item = 0x20020;
936         pub const MON_8: ::nl_item = 0x20021;
937         pub const MON_9: ::nl_item = 0x20022;
938         pub const MON_10: ::nl_item = 0x20023;
939         pub const MON_11: ::nl_item = 0x20024;
940         pub const MON_12: ::nl_item = 0x20025;
941 
942         pub const AM_STR: ::nl_item = 0x20026;
943         pub const PM_STR: ::nl_item = 0x20027;
944 
945         pub const D_T_FMT: ::nl_item = 0x20028;
946         pub const D_FMT: ::nl_item = 0x20029;
947         pub const T_FMT: ::nl_item = 0x2002A;
948         pub const T_FMT_AMPM: ::nl_item = 0x2002B;
949 
950         pub const ERA: ::nl_item = 0x2002C;
951         pub const ERA_D_FMT: ::nl_item = 0x2002E;
952         pub const ALT_DIGITS: ::nl_item = 0x2002F;
953         pub const ERA_D_T_FMT: ::nl_item = 0x20030;
954         pub const ERA_T_FMT: ::nl_item = 0x20031;
955 
956         pub const CODESET: ::nl_item = 14;
957         pub const CRNCYSTR: ::nl_item = 0x4000F;
958         pub const RADIXCHAR: ::nl_item = 0x10000;
959         pub const THOUSEP: ::nl_item = 0x10001;
960         pub const YESEXPR: ::nl_item = 0x50000;
961         pub const NOEXPR: ::nl_item = 0x50001;
962         pub const YESSTR: ::nl_item = 0x50002;
963         pub const NOSTR: ::nl_item = 0x50003;
964     }
965 }
966 
967 pub const RUSAGE_CHILDREN: ::c_int = -1;
968 pub const L_tmpnam: ::c_uint = 20;
969 pub const _PC_LINK_MAX: ::c_int = 0;
970 pub const _PC_MAX_CANON: ::c_int = 1;
971 pub const _PC_MAX_INPUT: ::c_int = 2;
972 pub const _PC_NAME_MAX: ::c_int = 3;
973 pub const _PC_PATH_MAX: ::c_int = 4;
974 pub const _PC_PIPE_BUF: ::c_int = 5;
975 pub const _PC_CHOWN_RESTRICTED: ::c_int = 6;
976 pub const _PC_NO_TRUNC: ::c_int = 7;
977 pub const _PC_VDISABLE: ::c_int = 8;
978 pub const _PC_SYNC_IO: ::c_int = 9;
979 pub const _PC_ASYNC_IO: ::c_int = 10;
980 pub const _PC_PRIO_IO: ::c_int = 11;
981 pub const _PC_SOCK_MAXBUF: ::c_int = 12;
982 pub const _PC_FILESIZEBITS: ::c_int = 13;
983 pub const _PC_REC_INCR_XFER_SIZE: ::c_int = 14;
984 pub const _PC_REC_MAX_XFER_SIZE: ::c_int = 15;
985 pub const _PC_REC_MIN_XFER_SIZE: ::c_int = 16;
986 pub const _PC_REC_XFER_ALIGN: ::c_int = 17;
987 pub const _PC_ALLOC_SIZE_MIN: ::c_int = 18;
988 pub const _PC_SYMLINK_MAX: ::c_int = 19;
989 pub const _PC_2_SYMLINKS: ::c_int = 20;
990 
991 pub const MS_NOUSER: ::c_ulong = 0xffffffff80000000;
992 
993 pub const _SC_ARG_MAX: ::c_int = 0;
994 pub const _SC_CHILD_MAX: ::c_int = 1;
995 pub const _SC_CLK_TCK: ::c_int = 2;
996 pub const _SC_NGROUPS_MAX: ::c_int = 3;
997 pub const _SC_OPEN_MAX: ::c_int = 4;
998 pub const _SC_STREAM_MAX: ::c_int = 5;
999 pub const _SC_TZNAME_MAX: ::c_int = 6;
1000 pub const _SC_JOB_CONTROL: ::c_int = 7;
1001 pub const _SC_SAVED_IDS: ::c_int = 8;
1002 pub const _SC_REALTIME_SIGNALS: ::c_int = 9;
1003 pub const _SC_PRIORITY_SCHEDULING: ::c_int = 10;
1004 pub const _SC_TIMERS: ::c_int = 11;
1005 pub const _SC_ASYNCHRONOUS_IO: ::c_int = 12;
1006 pub const _SC_PRIORITIZED_IO: ::c_int = 13;
1007 pub const _SC_SYNCHRONIZED_IO: ::c_int = 14;
1008 pub const _SC_FSYNC: ::c_int = 15;
1009 pub const _SC_MAPPED_FILES: ::c_int = 16;
1010 pub const _SC_MEMLOCK: ::c_int = 17;
1011 pub const _SC_MEMLOCK_RANGE: ::c_int = 18;
1012 pub const _SC_MEMORY_PROTECTION: ::c_int = 19;
1013 pub const _SC_MESSAGE_PASSING: ::c_int = 20;
1014 pub const _SC_SEMAPHORES: ::c_int = 21;
1015 pub const _SC_SHARED_MEMORY_OBJECTS: ::c_int = 22;
1016 pub const _SC_AIO_LISTIO_MAX: ::c_int = 23;
1017 pub const _SC_AIO_MAX: ::c_int = 24;
1018 pub const _SC_AIO_PRIO_DELTA_MAX: ::c_int = 25;
1019 pub const _SC_DELAYTIMER_MAX: ::c_int = 26;
1020 pub const _SC_MQ_OPEN_MAX: ::c_int = 27;
1021 pub const _SC_MQ_PRIO_MAX: ::c_int = 28;
1022 pub const _SC_VERSION: ::c_int = 29;
1023 pub const _SC_PAGESIZE: ::c_int = 30;
1024 pub const _SC_PAGE_SIZE: ::c_int = _SC_PAGESIZE;
1025 pub const _SC_RTSIG_MAX: ::c_int = 31;
1026 pub const _SC_SEM_NSEMS_MAX: ::c_int = 32;
1027 pub const _SC_SEM_VALUE_MAX: ::c_int = 33;
1028 pub const _SC_SIGQUEUE_MAX: ::c_int = 34;
1029 pub const _SC_TIMER_MAX: ::c_int = 35;
1030 pub const _SC_BC_BASE_MAX: ::c_int = 36;
1031 pub const _SC_BC_DIM_MAX: ::c_int = 37;
1032 pub const _SC_BC_SCALE_MAX: ::c_int = 38;
1033 pub const _SC_BC_STRING_MAX: ::c_int = 39;
1034 pub const _SC_COLL_WEIGHTS_MAX: ::c_int = 40;
1035 pub const _SC_EXPR_NEST_MAX: ::c_int = 42;
1036 pub const _SC_LINE_MAX: ::c_int = 43;
1037 pub const _SC_RE_DUP_MAX: ::c_int = 44;
1038 pub const _SC_2_VERSION: ::c_int = 46;
1039 pub const _SC_2_C_BIND: ::c_int = 47;
1040 pub const _SC_2_C_DEV: ::c_int = 48;
1041 pub const _SC_2_FORT_DEV: ::c_int = 49;
1042 pub const _SC_2_FORT_RUN: ::c_int = 50;
1043 pub const _SC_2_SW_DEV: ::c_int = 51;
1044 pub const _SC_2_LOCALEDEF: ::c_int = 52;
1045 pub const _SC_UIO_MAXIOV: ::c_int = 60;
1046 pub const _SC_IOV_MAX: ::c_int = 60;
1047 pub const _SC_THREADS: ::c_int = 67;
1048 pub const _SC_THREAD_SAFE_FUNCTIONS: ::c_int = 68;
1049 pub const _SC_GETGR_R_SIZE_MAX: ::c_int = 69;
1050 pub const _SC_GETPW_R_SIZE_MAX: ::c_int = 70;
1051 pub const _SC_LOGIN_NAME_MAX: ::c_int = 71;
1052 pub const _SC_TTY_NAME_MAX: ::c_int = 72;
1053 pub const _SC_THREAD_DESTRUCTOR_ITERATIONS: ::c_int = 73;
1054 pub const _SC_THREAD_KEYS_MAX: ::c_int = 74;
1055 pub const _SC_THREAD_STACK_MIN: ::c_int = 75;
1056 pub const _SC_THREAD_THREADS_MAX: ::c_int = 76;
1057 pub const _SC_THREAD_ATTR_STACKADDR: ::c_int = 77;
1058 pub const _SC_THREAD_ATTR_STACKSIZE: ::c_int = 78;
1059 pub const _SC_THREAD_PRIORITY_SCHEDULING: ::c_int = 79;
1060 pub const _SC_THREAD_PRIO_INHERIT: ::c_int = 80;
1061 pub const _SC_THREAD_PRIO_PROTECT: ::c_int = 81;
1062 pub const _SC_THREAD_PROCESS_SHARED: ::c_int = 82;
1063 pub const _SC_NPROCESSORS_CONF: ::c_int = 83;
1064 pub const _SC_NPROCESSORS_ONLN: ::c_int = 84;
1065 pub const _SC_PHYS_PAGES: ::c_int = 85;
1066 pub const _SC_AVPHYS_PAGES: ::c_int = 86;
1067 pub const _SC_ATEXIT_MAX: ::c_int = 87;
1068 pub const _SC_PASS_MAX: ::c_int = 88;
1069 pub const _SC_XOPEN_VERSION: ::c_int = 89;
1070 pub const _SC_XOPEN_XCU_VERSION: ::c_int = 90;
1071 pub const _SC_XOPEN_UNIX: ::c_int = 91;
1072 pub const _SC_XOPEN_CRYPT: ::c_int = 92;
1073 pub const _SC_XOPEN_ENH_I18N: ::c_int = 93;
1074 pub const _SC_XOPEN_SHM: ::c_int = 94;
1075 pub const _SC_2_CHAR_TERM: ::c_int = 95;
1076 pub const _SC_2_UPE: ::c_int = 97;
1077 pub const _SC_XOPEN_XPG2: ::c_int = 98;
1078 pub const _SC_XOPEN_XPG3: ::c_int = 99;
1079 pub const _SC_XOPEN_XPG4: ::c_int = 100;
1080 pub const _SC_NZERO: ::c_int = 109;
1081 pub const _SC_XBS5_ILP32_OFF32: ::c_int = 125;
1082 pub const _SC_XBS5_ILP32_OFFBIG: ::c_int = 126;
1083 pub const _SC_XBS5_LP64_OFF64: ::c_int = 127;
1084 pub const _SC_XBS5_LPBIG_OFFBIG: ::c_int = 128;
1085 pub const _SC_XOPEN_LEGACY: ::c_int = 129;
1086 pub const _SC_XOPEN_REALTIME: ::c_int = 130;
1087 pub const _SC_XOPEN_REALTIME_THREADS: ::c_int = 131;
1088 pub const _SC_ADVISORY_INFO: ::c_int = 132;
1089 pub const _SC_BARRIERS: ::c_int = 133;
1090 pub const _SC_CLOCK_SELECTION: ::c_int = 137;
1091 pub const _SC_CPUTIME: ::c_int = 138;
1092 pub const _SC_THREAD_CPUTIME: ::c_int = 139;
1093 pub const _SC_MONOTONIC_CLOCK: ::c_int = 149;
1094 pub const _SC_READER_WRITER_LOCKS: ::c_int = 153;
1095 pub const _SC_SPIN_LOCKS: ::c_int = 154;
1096 pub const _SC_REGEXP: ::c_int = 155;
1097 pub const _SC_SHELL: ::c_int = 157;
1098 pub const _SC_SPAWN: ::c_int = 159;
1099 pub const _SC_SPORADIC_SERVER: ::c_int = 160;
1100 pub const _SC_THREAD_SPORADIC_SERVER: ::c_int = 161;
1101 pub const _SC_TIMEOUTS: ::c_int = 164;
1102 pub const _SC_TYPED_MEMORY_OBJECTS: ::c_int = 165;
1103 pub const _SC_2_PBS: ::c_int = 168;
1104 pub const _SC_2_PBS_ACCOUNTING: ::c_int = 169;
1105 pub const _SC_2_PBS_LOCATE: ::c_int = 170;
1106 pub const _SC_2_PBS_MESSAGE: ::c_int = 171;
1107 pub const _SC_2_PBS_TRACK: ::c_int = 172;
1108 pub const _SC_SYMLOOP_MAX: ::c_int = 173;
1109 pub const _SC_STREAMS: ::c_int = 174;
1110 pub const _SC_2_PBS_CHECKPOINT: ::c_int = 175;
1111 pub const _SC_V6_ILP32_OFF32: ::c_int = 176;
1112 pub const _SC_V6_ILP32_OFFBIG: ::c_int = 177;
1113 pub const _SC_V6_LP64_OFF64: ::c_int = 178;
1114 pub const _SC_V6_LPBIG_OFFBIG: ::c_int = 179;
1115 pub const _SC_HOST_NAME_MAX: ::c_int = 180;
1116 pub const _SC_TRACE: ::c_int = 181;
1117 pub const _SC_TRACE_EVENT_FILTER: ::c_int = 182;
1118 pub const _SC_TRACE_INHERIT: ::c_int = 183;
1119 pub const _SC_TRACE_LOG: ::c_int = 184;
1120 pub const _SC_IPV6: ::c_int = 235;
1121 pub const _SC_RAW_SOCKETS: ::c_int = 236;
1122 pub const _SC_V7_ILP32_OFF32: ::c_int = 237;
1123 pub const _SC_V7_ILP32_OFFBIG: ::c_int = 238;
1124 pub const _SC_V7_LP64_OFF64: ::c_int = 239;
1125 pub const _SC_V7_LPBIG_OFFBIG: ::c_int = 240;
1126 pub const _SC_SS_REPL_MAX: ::c_int = 241;
1127 pub const _SC_TRACE_EVENT_NAME_MAX: ::c_int = 242;
1128 pub const _SC_TRACE_NAME_MAX: ::c_int = 243;
1129 pub const _SC_TRACE_SYS_MAX: ::c_int = 244;
1130 pub const _SC_TRACE_USER_EVENT_MAX: ::c_int = 245;
1131 pub const _SC_XOPEN_STREAMS: ::c_int = 246;
1132 pub const _SC_THREAD_ROBUST_PRIO_INHERIT: ::c_int = 247;
1133 pub const _SC_THREAD_ROBUST_PRIO_PROTECT: ::c_int = 248;
1134 
1135 pub const RLIM_SAVED_MAX: ::rlim_t = RLIM_INFINITY;
1136 pub const RLIM_SAVED_CUR: ::rlim_t = RLIM_INFINITY;
1137 
1138 pub const GLOB_ERR: ::c_int = 1 << 0;
1139 pub const GLOB_MARK: ::c_int = 1 << 1;
1140 pub const GLOB_NOSORT: ::c_int = 1 << 2;
1141 pub const GLOB_DOOFFS: ::c_int = 1 << 3;
1142 pub const GLOB_NOCHECK: ::c_int = 1 << 4;
1143 pub const GLOB_APPEND: ::c_int = 1 << 5;
1144 pub const GLOB_NOESCAPE: ::c_int = 1 << 6;
1145 
1146 pub const GLOB_NOSPACE: ::c_int = 1;
1147 pub const GLOB_ABORTED: ::c_int = 2;
1148 pub const GLOB_NOMATCH: ::c_int = 3;
1149 
1150 pub const POSIX_MADV_NORMAL: ::c_int = 0;
1151 pub const POSIX_MADV_RANDOM: ::c_int = 1;
1152 pub const POSIX_MADV_SEQUENTIAL: ::c_int = 2;
1153 pub const POSIX_MADV_WILLNEED: ::c_int = 3;
1154 
1155 pub const S_IEXEC: mode_t = 64;
1156 pub const S_IWRITE: mode_t = 128;
1157 pub const S_IREAD: mode_t = 256;
1158 
1159 pub const F_LOCK: ::c_int = 1;
1160 pub const F_TEST: ::c_int = 3;
1161 pub const F_TLOCK: ::c_int = 2;
1162 pub const F_ULOCK: ::c_int = 0;
1163 
1164 pub const F_SEAL_FUTURE_WRITE: ::c_int = 0x0010;
1165 
1166 pub const IFF_LOWER_UP: ::c_int = 0x10000;
1167 pub const IFF_DORMANT: ::c_int = 0x20000;
1168 pub const IFF_ECHO: ::c_int = 0x40000;
1169 
1170 // linux/if_addr.h
1171 pub const IFA_UNSPEC: ::c_ushort = 0;
1172 pub const IFA_ADDRESS: ::c_ushort = 1;
1173 pub const IFA_LOCAL: ::c_ushort = 2;
1174 pub const IFA_LABEL: ::c_ushort = 3;
1175 pub const IFA_BROADCAST: ::c_ushort = 4;
1176 pub const IFA_ANYCAST: ::c_ushort = 5;
1177 pub const IFA_CACHEINFO: ::c_ushort = 6;
1178 pub const IFA_MULTICAST: ::c_ushort = 7;
1179 
1180 pub const IFA_F_SECONDARY: u32 = 0x01;
1181 pub const IFA_F_TEMPORARY: u32 = 0x01;
1182 pub const IFA_F_NODAD: u32 = 0x02;
1183 pub const IFA_F_OPTIMISTIC: u32 = 0x04;
1184 pub const IFA_F_DADFAILED: u32 = 0x08;
1185 pub const IFA_F_HOMEADDRESS: u32 = 0x10;
1186 pub const IFA_F_DEPRECATED: u32 = 0x20;
1187 pub const IFA_F_TENTATIVE: u32 = 0x40;
1188 pub const IFA_F_PERMANENT: u32 = 0x80;
1189 
1190 // linux/if_link.h
1191 pub const IFLA_UNSPEC: ::c_ushort = 0;
1192 pub const IFLA_ADDRESS: ::c_ushort = 1;
1193 pub const IFLA_BROADCAST: ::c_ushort = 2;
1194 pub const IFLA_IFNAME: ::c_ushort = 3;
1195 pub const IFLA_MTU: ::c_ushort = 4;
1196 pub const IFLA_LINK: ::c_ushort = 5;
1197 pub const IFLA_QDISC: ::c_ushort = 6;
1198 pub const IFLA_STATS: ::c_ushort = 7;
1199 pub const IFLA_COST: ::c_ushort = 8;
1200 pub const IFLA_PRIORITY: ::c_ushort = 9;
1201 pub const IFLA_MASTER: ::c_ushort = 10;
1202 pub const IFLA_WIRELESS: ::c_ushort = 11;
1203 pub const IFLA_PROTINFO: ::c_ushort = 12;
1204 pub const IFLA_TXQLEN: ::c_ushort = 13;
1205 pub const IFLA_MAP: ::c_ushort = 14;
1206 pub const IFLA_WEIGHT: ::c_ushort = 15;
1207 pub const IFLA_OPERSTATE: ::c_ushort = 16;
1208 pub const IFLA_LINKMODE: ::c_ushort = 17;
1209 pub const IFLA_LINKINFO: ::c_ushort = 18;
1210 pub const IFLA_NET_NS_PID: ::c_ushort = 19;
1211 pub const IFLA_IFALIAS: ::c_ushort = 20;
1212 pub const IFLA_NUM_VF: ::c_ushort = 21;
1213 pub const IFLA_VFINFO_LIST: ::c_ushort = 22;
1214 pub const IFLA_STATS64: ::c_ushort = 23;
1215 pub const IFLA_VF_PORTS: ::c_ushort = 24;
1216 pub const IFLA_PORT_SELF: ::c_ushort = 25;
1217 pub const IFLA_AF_SPEC: ::c_ushort = 26;
1218 pub const IFLA_GROUP: ::c_ushort = 27;
1219 pub const IFLA_NET_NS_FD: ::c_ushort = 28;
1220 pub const IFLA_EXT_MASK: ::c_ushort = 29;
1221 pub const IFLA_PROMISCUITY: ::c_ushort = 30;
1222 pub const IFLA_NUM_TX_QUEUES: ::c_ushort = 31;
1223 pub const IFLA_NUM_RX_QUEUES: ::c_ushort = 32;
1224 pub const IFLA_CARRIER: ::c_ushort = 33;
1225 pub const IFLA_PHYS_PORT_ID: ::c_ushort = 34;
1226 pub const IFLA_CARRIER_CHANGES: ::c_ushort = 35;
1227 pub const IFLA_PHYS_SWITCH_ID: ::c_ushort = 36;
1228 pub const IFLA_LINK_NETNSID: ::c_ushort = 37;
1229 pub const IFLA_PHYS_PORT_NAME: ::c_ushort = 38;
1230 pub const IFLA_PROTO_DOWN: ::c_ushort = 39;
1231 pub const IFLA_GSO_MAX_SEGS: ::c_ushort = 40;
1232 pub const IFLA_GSO_MAX_SIZE: ::c_ushort = 41;
1233 pub const IFLA_PAD: ::c_ushort = 42;
1234 pub const IFLA_XDP: ::c_ushort = 43;
1235 pub const IFLA_EVENT: ::c_ushort = 44;
1236 pub const IFLA_NEW_NETNSID: ::c_ushort = 45;
1237 pub const IFLA_IF_NETNSID: ::c_ushort = 46;
1238 pub const IFLA_TARGET_NETNSID: ::c_ushort = IFLA_IF_NETNSID;
1239 pub const IFLA_CARRIER_UP_COUNT: ::c_ushort = 47;
1240 pub const IFLA_CARRIER_DOWN_COUNT: ::c_ushort = 48;
1241 pub const IFLA_NEW_IFINDEX: ::c_ushort = 49;
1242 pub const IFLA_MIN_MTU: ::c_ushort = 50;
1243 pub const IFLA_MAX_MTU: ::c_ushort = 51;
1244 pub const IFLA_PROP_LIST: ::c_ushort = 52;
1245 pub const IFLA_ALT_IFNAME: ::c_ushort = 53;
1246 pub const IFLA_PERM_ADDRESS: ::c_ushort = 54;
1247 pub const IFLA_PROTO_DOWN_REASON: ::c_ushort = 55;
1248 
1249 pub const IFLA_INFO_UNSPEC: ::c_ushort = 0;
1250 pub const IFLA_INFO_KIND: ::c_ushort = 1;
1251 pub const IFLA_INFO_DATA: ::c_ushort = 2;
1252 pub const IFLA_INFO_XSTATS: ::c_ushort = 3;
1253 pub const IFLA_INFO_SLAVE_KIND: ::c_ushort = 4;
1254 pub const IFLA_INFO_SLAVE_DATA: ::c_ushort = 5;
1255 
1256 // linux/if_tun.h
1257 pub const IFF_TUN: ::c_int = 0x0001;
1258 pub const IFF_TAP: ::c_int = 0x0002;
1259 pub const IFF_NO_PI: ::c_int = 0x1000;
1260 // Read queue size
1261 pub const TUN_READQ_SIZE: ::c_short = 500;
1262 // TUN device type flags: deprecated. Use IFF_TUN/IFF_TAP instead.
1263 pub const TUN_TUN_DEV: ::c_short = ::IFF_TUN as ::c_short;
1264 pub const TUN_TAP_DEV: ::c_short = ::IFF_TAP as ::c_short;
1265 pub const TUN_TYPE_MASK: ::c_short = 0x000f;
1266 // This flag has no real effect
1267 pub const IFF_ONE_QUEUE: ::c_int = 0x2000;
1268 pub const IFF_VNET_HDR: ::c_int = 0x4000;
1269 pub const IFF_TUN_EXCL: ::c_int = 0x8000;
1270 pub const IFF_MULTI_QUEUE: ::c_int = 0x0100;
1271 pub const IFF_ATTACH_QUEUE: ::c_int = 0x0200;
1272 pub const IFF_DETACH_QUEUE: ::c_int = 0x0400;
1273 // read-only flag
1274 pub const IFF_PERSIST: ::c_int = 0x0800;
1275 pub const IFF_NOFILTER: ::c_int = 0x1000;
1276 
1277 // Since Linux 3.1
1278 pub const SEEK_DATA: ::c_int = 3;
1279 pub const SEEK_HOLE: ::c_int = 4;
1280 
1281 pub const ST_RDONLY: ::c_ulong = 1;
1282 pub const ST_NOSUID: ::c_ulong = 2;
1283 pub const ST_NODEV: ::c_ulong = 4;
1284 pub const ST_NOEXEC: ::c_ulong = 8;
1285 pub const ST_SYNCHRONOUS: ::c_ulong = 16;
1286 pub const ST_MANDLOCK: ::c_ulong = 64;
1287 pub const ST_WRITE: ::c_ulong = 128;
1288 pub const ST_APPEND: ::c_ulong = 256;
1289 pub const ST_IMMUTABLE: ::c_ulong = 512;
1290 pub const ST_NOATIME: ::c_ulong = 1024;
1291 pub const ST_NODIRATIME: ::c_ulong = 2048;
1292 
1293 pub const RTLD_NEXT: *mut ::c_void = -1i64 as *mut ::c_void;
1294 pub const RTLD_DEFAULT: *mut ::c_void = 0i64 as *mut ::c_void;
1295 pub const RTLD_NODELETE: ::c_int = 0x1000;
1296 pub const RTLD_NOW: ::c_int = 0x2;
1297 
1298 pub const AT_EACCESS: ::c_int = 0x200;
1299 
1300 pub const TCP_MD5SIG: ::c_int = 14;
1301 
1302 align_const! {
1303     pub const PTHREAD_MUTEX_INITIALIZER: pthread_mutex_t = pthread_mutex_t {
1304         size: [0; __SIZEOF_PTHREAD_MUTEX_T],
1305     };
1306     pub const PTHREAD_COND_INITIALIZER: pthread_cond_t = pthread_cond_t {
1307         size: [0; __SIZEOF_PTHREAD_COND_T],
1308     };
1309     pub const PTHREAD_RWLOCK_INITIALIZER: pthread_rwlock_t = pthread_rwlock_t {
1310         size: [0; __SIZEOF_PTHREAD_RWLOCK_T],
1311     };
1312 }
1313 pub const PTHREAD_MUTEX_NORMAL: ::c_int = 0;
1314 pub const PTHREAD_MUTEX_RECURSIVE: ::c_int = 1;
1315 pub const PTHREAD_MUTEX_ERRORCHECK: ::c_int = 2;
1316 pub const PTHREAD_MUTEX_DEFAULT: ::c_int = PTHREAD_MUTEX_NORMAL;
1317 pub const PTHREAD_PROCESS_PRIVATE: ::c_int = 0;
1318 pub const PTHREAD_PROCESS_SHARED: ::c_int = 1;
1319 pub const __SIZEOF_PTHREAD_COND_T: usize = 48;
1320 
1321 pub const RENAME_NOREPLACE: ::c_int = 1;
1322 pub const RENAME_EXCHANGE: ::c_int = 2;
1323 pub const RENAME_WHITEOUT: ::c_int = 4;
1324 
1325 pub const SCHED_OTHER: ::c_int = 0;
1326 pub const SCHED_FIFO: ::c_int = 1;
1327 pub const SCHED_RR: ::c_int = 2;
1328 pub const SCHED_BATCH: ::c_int = 3;
1329 pub const SCHED_IDLE: ::c_int = 5;
1330 
1331 pub const SCHED_RESET_ON_FORK: ::c_int = 0x40000000;
1332 
1333 // netinet/in.h
1334 // NOTE: These are in addition to the constants defined in src/unix/mod.rs
1335 
1336 /// Multipath TCP
1337 pub const IPPROTO_MPTCP: ::c_int = 262;
1338 #[deprecated(
1339     since = "0.2.80",
1340     note = "This value was increased in the newer kernel \
1341             and we'll change this following upstream in the future release. \
1342             See #1896 for more info."
1343 )]
1344 pub const IPPROTO_MAX: ::c_int = 256;
1345 
1346 // System V IPC
1347 pub const IPC_PRIVATE: ::key_t = 0;
1348 
1349 pub const IPC_CREAT: ::c_int = 0o1000;
1350 pub const IPC_EXCL: ::c_int = 0o2000;
1351 pub const IPC_NOWAIT: ::c_int = 0o4000;
1352 
1353 pub const IPC_RMID: ::c_int = 0;
1354 pub const IPC_SET: ::c_int = 1;
1355 pub const IPC_STAT: ::c_int = 2;
1356 pub const IPC_INFO: ::c_int = 3;
1357 pub const MSG_STAT: ::c_int = 11;
1358 pub const MSG_INFO: ::c_int = 12;
1359 
1360 pub const MSG_NOERROR: ::c_int = 0o10000;
1361 pub const MSG_EXCEPT: ::c_int = 0o20000;
1362 
1363 pub const SHM_R: ::c_int = 0o400;
1364 pub const SHM_W: ::c_int = 0o200;
1365 
1366 pub const SHM_RDONLY: ::c_int = 0o10000;
1367 pub const SHM_RND: ::c_int = 0o20000;
1368 pub const SHM_REMAP: ::c_int = 0o40000;
1369 
1370 pub const SHM_LOCK: ::c_int = 11;
1371 pub const SHM_UNLOCK: ::c_int = 12;
1372 
1373 pub const SHM_HUGETLB: ::c_int = 0o4000;
1374 #[cfg(not(all(target_env = "uclibc", target_arch = "mips")))]
1375 pub const SHM_NORESERVE: ::c_int = 0o10000;
1376 
1377 pub const EPOLLRDHUP: ::c_int = 0x2000;
1378 pub const EPOLLONESHOT: ::c_int = 0x40000000;
1379 
1380 pub const QFMT_VFS_OLD: ::c_int = 1;
1381 pub const QFMT_VFS_V0: ::c_int = 2;
1382 pub const QFMT_VFS_V1: ::c_int = 4;
1383 
1384 pub const EFD_SEMAPHORE: ::c_int = 0x1;
1385 
1386 pub const LOG_NFACILITIES: ::c_int = 24;
1387 
1388 pub const SEM_FAILED: *mut ::sem_t = 0 as *mut sem_t;
1389 
1390 pub const RB_AUTOBOOT: ::c_int = 0x01234567u32 as i32;
1391 pub const RB_HALT_SYSTEM: ::c_int = 0xcdef0123u32 as i32;
1392 pub const RB_ENABLE_CAD: ::c_int = 0x89abcdefu32 as i32;
1393 pub const RB_DISABLE_CAD: ::c_int = 0x00000000u32 as i32;
1394 pub const RB_POWER_OFF: ::c_int = 0x4321fedcu32 as i32;
1395 pub const RB_SW_SUSPEND: ::c_int = 0xd000fce2u32 as i32;
1396 pub const RB_KEXEC: ::c_int = 0x45584543u32 as i32;
1397 
1398 pub const AI_PASSIVE: ::c_int = 0x0001;
1399 pub const AI_CANONNAME: ::c_int = 0x0002;
1400 pub const AI_NUMERICHOST: ::c_int = 0x0004;
1401 pub const AI_V4MAPPED: ::c_int = 0x0008;
1402 pub const AI_ALL: ::c_int = 0x0010;
1403 pub const AI_ADDRCONFIG: ::c_int = 0x0020;
1404 
1405 pub const AI_NUMERICSERV: ::c_int = 0x0400;
1406 
1407 pub const EAI_BADFLAGS: ::c_int = -1;
1408 pub const EAI_NONAME: ::c_int = -2;
1409 pub const EAI_AGAIN: ::c_int = -3;
1410 pub const EAI_FAIL: ::c_int = -4;
1411 pub const EAI_NODATA: ::c_int = -5;
1412 pub const EAI_FAMILY: ::c_int = -6;
1413 pub const EAI_SOCKTYPE: ::c_int = -7;
1414 pub const EAI_SERVICE: ::c_int = -8;
1415 pub const EAI_MEMORY: ::c_int = -10;
1416 pub const EAI_SYSTEM: ::c_int = -11;
1417 pub const EAI_OVERFLOW: ::c_int = -12;
1418 
1419 pub const NI_NUMERICHOST: ::c_int = 1;
1420 pub const NI_NUMERICSERV: ::c_int = 2;
1421 pub const NI_NOFQDN: ::c_int = 4;
1422 pub const NI_NAMEREQD: ::c_int = 8;
1423 pub const NI_DGRAM: ::c_int = 16;
1424 
1425 pub const SYNC_FILE_RANGE_WAIT_BEFORE: ::c_uint = 1;
1426 pub const SYNC_FILE_RANGE_WRITE: ::c_uint = 2;
1427 pub const SYNC_FILE_RANGE_WAIT_AFTER: ::c_uint = 4;
1428 
1429 cfg_if! {
1430     if #[cfg(not(target_env = "uclibc"))] {
1431         pub const AIO_CANCELED: ::c_int = 0;
1432         pub const AIO_NOTCANCELED: ::c_int = 1;
1433         pub const AIO_ALLDONE: ::c_int = 2;
1434         pub const LIO_READ: ::c_int = 0;
1435         pub const LIO_WRITE: ::c_int = 1;
1436         pub const LIO_NOP: ::c_int = 2;
1437         pub const LIO_WAIT: ::c_int = 0;
1438         pub const LIO_NOWAIT: ::c_int = 1;
1439         pub const RUSAGE_THREAD: ::c_int = 1;
1440         pub const TCP_ULP: ::c_int = 31;
1441         pub const MSG_COPY: ::c_int = 0o40000;
1442         pub const SHM_EXEC: ::c_int = 0o100000;
1443         pub const IPV6_MULTICAST_ALL: ::c_int = 29;
1444         pub const IPV6_ROUTER_ALERT_ISOLATE: ::c_int = 30;
1445         pub const PACKET_MR_UNICAST: ::c_int = 3;
1446         pub const PTRACE_EVENT_STOP: ::c_int = 128;
1447         pub const UDP_SEGMENT: ::c_int = 103;
1448         pub const UDP_GRO: ::c_int = 104;
1449     }
1450 }
1451 
1452 pub const MREMAP_MAYMOVE: ::c_int = 1;
1453 pub const MREMAP_FIXED: ::c_int = 2;
1454 
1455 pub const PR_SET_PDEATHSIG: ::c_int = 1;
1456 pub const PR_GET_PDEATHSIG: ::c_int = 2;
1457 
1458 pub const PR_GET_DUMPABLE: ::c_int = 3;
1459 pub const PR_SET_DUMPABLE: ::c_int = 4;
1460 
1461 pub const PR_GET_UNALIGN: ::c_int = 5;
1462 pub const PR_SET_UNALIGN: ::c_int = 6;
1463 pub const PR_UNALIGN_NOPRINT: ::c_int = 1;
1464 pub const PR_UNALIGN_SIGBUS: ::c_int = 2;
1465 
1466 pub const PR_GET_KEEPCAPS: ::c_int = 7;
1467 pub const PR_SET_KEEPCAPS: ::c_int = 8;
1468 
1469 pub const PR_GET_FPEMU: ::c_int = 9;
1470 pub const PR_SET_FPEMU: ::c_int = 10;
1471 pub const PR_FPEMU_NOPRINT: ::c_int = 1;
1472 pub const PR_FPEMU_SIGFPE: ::c_int = 2;
1473 
1474 pub const PR_GET_FPEXC: ::c_int = 11;
1475 pub const PR_SET_FPEXC: ::c_int = 12;
1476 pub const PR_FP_EXC_SW_ENABLE: ::c_int = 0x80;
1477 pub const PR_FP_EXC_DIV: ::c_int = 0x010000;
1478 pub const PR_FP_EXC_OVF: ::c_int = 0x020000;
1479 pub const PR_FP_EXC_UND: ::c_int = 0x040000;
1480 pub const PR_FP_EXC_RES: ::c_int = 0x080000;
1481 pub const PR_FP_EXC_INV: ::c_int = 0x100000;
1482 pub const PR_FP_EXC_DISABLED: ::c_int = 0;
1483 pub const PR_FP_EXC_NONRECOV: ::c_int = 1;
1484 pub const PR_FP_EXC_ASYNC: ::c_int = 2;
1485 pub const PR_FP_EXC_PRECISE: ::c_int = 3;
1486 
1487 pub const PR_GET_TIMING: ::c_int = 13;
1488 pub const PR_SET_TIMING: ::c_int = 14;
1489 pub const PR_TIMING_STATISTICAL: ::c_int = 0;
1490 pub const PR_TIMING_TIMESTAMP: ::c_int = 1;
1491 
1492 pub const PR_SET_NAME: ::c_int = 15;
1493 pub const PR_GET_NAME: ::c_int = 16;
1494 
1495 pub const PR_GET_ENDIAN: ::c_int = 19;
1496 pub const PR_SET_ENDIAN: ::c_int = 20;
1497 pub const PR_ENDIAN_BIG: ::c_int = 0;
1498 pub const PR_ENDIAN_LITTLE: ::c_int = 1;
1499 pub const PR_ENDIAN_PPC_LITTLE: ::c_int = 2;
1500 
1501 pub const PR_GET_SECCOMP: ::c_int = 21;
1502 pub const PR_SET_SECCOMP: ::c_int = 22;
1503 
1504 pub const PR_CAPBSET_READ: ::c_int = 23;
1505 pub const PR_CAPBSET_DROP: ::c_int = 24;
1506 
1507 pub const PR_GET_TSC: ::c_int = 25;
1508 pub const PR_SET_TSC: ::c_int = 26;
1509 pub const PR_TSC_ENABLE: ::c_int = 1;
1510 pub const PR_TSC_SIGSEGV: ::c_int = 2;
1511 
1512 pub const PR_GET_SECUREBITS: ::c_int = 27;
1513 pub const PR_SET_SECUREBITS: ::c_int = 28;
1514 
1515 pub const PR_SET_TIMERSLACK: ::c_int = 29;
1516 pub const PR_GET_TIMERSLACK: ::c_int = 30;
1517 
1518 pub const PR_TASK_PERF_EVENTS_DISABLE: ::c_int = 31;
1519 pub const PR_TASK_PERF_EVENTS_ENABLE: ::c_int = 32;
1520 
1521 pub const PR_MCE_KILL: ::c_int = 33;
1522 pub const PR_MCE_KILL_CLEAR: ::c_int = 0;
1523 pub const PR_MCE_KILL_SET: ::c_int = 1;
1524 
1525 pub const PR_MCE_KILL_LATE: ::c_int = 0;
1526 pub const PR_MCE_KILL_EARLY: ::c_int = 1;
1527 pub const PR_MCE_KILL_DEFAULT: ::c_int = 2;
1528 
1529 pub const PR_MCE_KILL_GET: ::c_int = 34;
1530 
1531 pub const PR_SET_MM: ::c_int = 35;
1532 pub const PR_SET_MM_START_CODE: ::c_int = 1;
1533 pub const PR_SET_MM_END_CODE: ::c_int = 2;
1534 pub const PR_SET_MM_START_DATA: ::c_int = 3;
1535 pub const PR_SET_MM_END_DATA: ::c_int = 4;
1536 pub const PR_SET_MM_START_STACK: ::c_int = 5;
1537 pub const PR_SET_MM_START_BRK: ::c_int = 6;
1538 pub const PR_SET_MM_BRK: ::c_int = 7;
1539 pub const PR_SET_MM_ARG_START: ::c_int = 8;
1540 pub const PR_SET_MM_ARG_END: ::c_int = 9;
1541 pub const PR_SET_MM_ENV_START: ::c_int = 10;
1542 pub const PR_SET_MM_ENV_END: ::c_int = 11;
1543 pub const PR_SET_MM_AUXV: ::c_int = 12;
1544 pub const PR_SET_MM_EXE_FILE: ::c_int = 13;
1545 pub const PR_SET_MM_MAP: ::c_int = 14;
1546 pub const PR_SET_MM_MAP_SIZE: ::c_int = 15;
1547 
1548 pub const PR_SET_PTRACER: ::c_int = 0x59616d61;
1549 
1550 pub const PR_SET_CHILD_SUBREAPER: ::c_int = 36;
1551 pub const PR_GET_CHILD_SUBREAPER: ::c_int = 37;
1552 
1553 pub const PR_SET_NO_NEW_PRIVS: ::c_int = 38;
1554 pub const PR_GET_NO_NEW_PRIVS: ::c_int = 39;
1555 
1556 pub const PR_GET_TID_ADDRESS: ::c_int = 40;
1557 
1558 pub const PR_SET_THP_DISABLE: ::c_int = 41;
1559 pub const PR_GET_THP_DISABLE: ::c_int = 42;
1560 
1561 pub const PR_MPX_ENABLE_MANAGEMENT: ::c_int = 43;
1562 pub const PR_MPX_DISABLE_MANAGEMENT: ::c_int = 44;
1563 
1564 pub const PR_SET_FP_MODE: ::c_int = 45;
1565 pub const PR_GET_FP_MODE: ::c_int = 46;
1566 pub const PR_FP_MODE_FR: ::c_int = 1 << 0;
1567 pub const PR_FP_MODE_FRE: ::c_int = 1 << 1;
1568 
1569 pub const PR_CAP_AMBIENT: ::c_int = 47;
1570 pub const PR_CAP_AMBIENT_IS_SET: ::c_int = 1;
1571 pub const PR_CAP_AMBIENT_RAISE: ::c_int = 2;
1572 pub const PR_CAP_AMBIENT_LOWER: ::c_int = 3;
1573 pub const PR_CAP_AMBIENT_CLEAR_ALL: ::c_int = 4;
1574 
1575 pub const GRND_NONBLOCK: ::c_uint = 0x0001;
1576 pub const GRND_RANDOM: ::c_uint = 0x0002;
1577 
1578 pub const SECCOMP_MODE_DISABLED: ::c_uint = 0;
1579 pub const SECCOMP_MODE_STRICT: ::c_uint = 1;
1580 pub const SECCOMP_MODE_FILTER: ::c_uint = 2;
1581 
1582 pub const ITIMER_REAL: ::c_int = 0;
1583 pub const ITIMER_VIRTUAL: ::c_int = 1;
1584 pub const ITIMER_PROF: ::c_int = 2;
1585 
1586 pub const TFD_CLOEXEC: ::c_int = O_CLOEXEC;
1587 pub const TFD_NONBLOCK: ::c_int = O_NONBLOCK;
1588 pub const TFD_TIMER_ABSTIME: ::c_int = 1;
1589 
1590 pub const XATTR_CREATE: ::c_int = 0x1;
1591 pub const XATTR_REPLACE: ::c_int = 0x2;
1592 
1593 pub const _POSIX_VDISABLE: ::cc_t = 0;
1594 
1595 pub const FALLOC_FL_KEEP_SIZE: ::c_int = 0x01;
1596 pub const FALLOC_FL_PUNCH_HOLE: ::c_int = 0x02;
1597 pub const FALLOC_FL_COLLAPSE_RANGE: ::c_int = 0x08;
1598 pub const FALLOC_FL_ZERO_RANGE: ::c_int = 0x10;
1599 pub const FALLOC_FL_INSERT_RANGE: ::c_int = 0x20;
1600 pub const FALLOC_FL_UNSHARE_RANGE: ::c_int = 0x40;
1601 
1602 #[deprecated(
1603     since = "0.2.55",
1604     note = "ENOATTR is not available on Linux; use ENODATA instead"
1605 )]
1606 pub const ENOATTR: ::c_int = ::ENODATA;
1607 
1608 pub const SO_ORIGINAL_DST: ::c_int = 80;
1609 
1610 pub const IP_RECVFRAGSIZE: ::c_int = 25;
1611 
1612 pub const IPV6_FLOWINFO: ::c_int = 11;
1613 pub const IPV6_FLOWLABEL_MGR: ::c_int = 32;
1614 pub const IPV6_FLOWINFO_SEND: ::c_int = 33;
1615 pub const IPV6_RECVFRAGSIZE: ::c_int = 77;
1616 pub const IPV6_FREEBIND: ::c_int = 78;
1617 pub const IPV6_FLOWINFO_FLOWLABEL: ::c_int = 0x000fffff;
1618 pub const IPV6_FLOWINFO_PRIORITY: ::c_int = 0x0ff00000;
1619 
1620 pub const IPV6_RTHDR_LOOSE: ::c_int = 0;
1621 pub const IPV6_RTHDR_STRICT: ::c_int = 1;
1622 
1623 pub const IUTF8: ::tcflag_t = 0x00004000;
1624 #[cfg(not(all(target_env = "uclibc", target_arch = "mips")))]
1625 pub const CMSPAR: ::tcflag_t = 0o10000000000;
1626 
1627 pub const MFD_CLOEXEC: ::c_uint = 0x0001;
1628 pub const MFD_ALLOW_SEALING: ::c_uint = 0x0002;
1629 pub const MFD_HUGETLB: ::c_uint = 0x0004;
1630 
1631 // these are used in the p_type field of Elf32_Phdr and Elf64_Phdr, which has
1632 // the type Elf32Word and Elf64Word respectively. Luckily, both of those are u32
1633 // so we can use that type here to avoid having to cast.
1634 pub const PT_NULL: u32 = 0;
1635 pub const PT_LOAD: u32 = 1;
1636 pub const PT_DYNAMIC: u32 = 2;
1637 pub const PT_INTERP: u32 = 3;
1638 pub const PT_NOTE: u32 = 4;
1639 pub const PT_SHLIB: u32 = 5;
1640 pub const PT_PHDR: u32 = 6;
1641 pub const PT_TLS: u32 = 7;
1642 pub const PT_NUM: u32 = 8;
1643 pub const PT_LOOS: u32 = 0x60000000;
1644 pub const PT_GNU_EH_FRAME: u32 = 0x6474e550;
1645 pub const PT_GNU_STACK: u32 = 0x6474e551;
1646 pub const PT_GNU_RELRO: u32 = 0x6474e552;
1647 
1648 // linux/if_ether.h
1649 pub const ETH_ALEN: ::c_int = 6;
1650 pub const ETH_HLEN: ::c_int = 14;
1651 pub const ETH_ZLEN: ::c_int = 60;
1652 pub const ETH_DATA_LEN: ::c_int = 1500;
1653 pub const ETH_FRAME_LEN: ::c_int = 1514;
1654 pub const ETH_FCS_LEN: ::c_int = 4;
1655 
1656 // These are the defined Ethernet Protocol ID's.
1657 pub const ETH_P_LOOP: ::c_int = 0x0060;
1658 pub const ETH_P_PUP: ::c_int = 0x0200;
1659 pub const ETH_P_PUPAT: ::c_int = 0x0201;
1660 pub const ETH_P_IP: ::c_int = 0x0800;
1661 pub const ETH_P_X25: ::c_int = 0x0805;
1662 pub const ETH_P_ARP: ::c_int = 0x0806;
1663 pub const ETH_P_BPQ: ::c_int = 0x08FF;
1664 pub const ETH_P_IEEEPUP: ::c_int = 0x0a00;
1665 pub const ETH_P_IEEEPUPAT: ::c_int = 0x0a01;
1666 pub const ETH_P_BATMAN: ::c_int = 0x4305;
1667 pub const ETH_P_DEC: ::c_int = 0x6000;
1668 pub const ETH_P_DNA_DL: ::c_int = 0x6001;
1669 pub const ETH_P_DNA_RC: ::c_int = 0x6002;
1670 pub const ETH_P_DNA_RT: ::c_int = 0x6003;
1671 pub const ETH_P_LAT: ::c_int = 0x6004;
1672 pub const ETH_P_DIAG: ::c_int = 0x6005;
1673 pub const ETH_P_CUST: ::c_int = 0x6006;
1674 pub const ETH_P_SCA: ::c_int = 0x6007;
1675 pub const ETH_P_TEB: ::c_int = 0x6558;
1676 pub const ETH_P_RARP: ::c_int = 0x8035;
1677 pub const ETH_P_ATALK: ::c_int = 0x809B;
1678 pub const ETH_P_AARP: ::c_int = 0x80F3;
1679 pub const ETH_P_8021Q: ::c_int = 0x8100;
1680 pub const ETH_P_IPX: ::c_int = 0x8137;
1681 pub const ETH_P_IPV6: ::c_int = 0x86DD;
1682 pub const ETH_P_PAUSE: ::c_int = 0x8808;
1683 pub const ETH_P_SLOW: ::c_int = 0x8809;
1684 pub const ETH_P_WCCP: ::c_int = 0x883E;
1685 pub const ETH_P_MPLS_UC: ::c_int = 0x8847;
1686 pub const ETH_P_MPLS_MC: ::c_int = 0x8848;
1687 pub const ETH_P_ATMMPOA: ::c_int = 0x884c;
1688 pub const ETH_P_PPP_DISC: ::c_int = 0x8863;
1689 pub const ETH_P_PPP_SES: ::c_int = 0x8864;
1690 pub const ETH_P_LINK_CTL: ::c_int = 0x886c;
1691 pub const ETH_P_ATMFATE: ::c_int = 0x8884;
1692 pub const ETH_P_PAE: ::c_int = 0x888E;
1693 pub const ETH_P_AOE: ::c_int = 0x88A2;
1694 pub const ETH_P_8021AD: ::c_int = 0x88A8;
1695 pub const ETH_P_802_EX1: ::c_int = 0x88B5;
1696 pub const ETH_P_TIPC: ::c_int = 0x88CA;
1697 pub const ETH_P_MACSEC: ::c_int = 0x88E5;
1698 pub const ETH_P_8021AH: ::c_int = 0x88E7;
1699 pub const ETH_P_MVRP: ::c_int = 0x88F5;
1700 pub const ETH_P_1588: ::c_int = 0x88F7;
1701 pub const ETH_P_PRP: ::c_int = 0x88FB;
1702 pub const ETH_P_FCOE: ::c_int = 0x8906;
1703 pub const ETH_P_TDLS: ::c_int = 0x890D;
1704 pub const ETH_P_FIP: ::c_int = 0x8914;
1705 pub const ETH_P_80221: ::c_int = 0x8917;
1706 pub const ETH_P_LOOPBACK: ::c_int = 0x9000;
1707 pub const ETH_P_QINQ1: ::c_int = 0x9100;
1708 pub const ETH_P_QINQ2: ::c_int = 0x9200;
1709 pub const ETH_P_QINQ3: ::c_int = 0x9300;
1710 pub const ETH_P_EDSA: ::c_int = 0xDADA;
1711 pub const ETH_P_AF_IUCV: ::c_int = 0xFBFB;
1712 
1713 pub const ETH_P_802_3_MIN: ::c_int = 0x0600;
1714 
1715 // Non DIX types. Won't clash for 1500 types.
1716 pub const ETH_P_802_3: ::c_int = 0x0001;
1717 pub const ETH_P_AX25: ::c_int = 0x0002;
1718 pub const ETH_P_ALL: ::c_int = 0x0003;
1719 pub const ETH_P_802_2: ::c_int = 0x0004;
1720 pub const ETH_P_SNAP: ::c_int = 0x0005;
1721 pub const ETH_P_DDCMP: ::c_int = 0x0006;
1722 pub const ETH_P_WAN_PPP: ::c_int = 0x0007;
1723 pub const ETH_P_PPP_MP: ::c_int = 0x0008;
1724 pub const ETH_P_LOCALTALK: ::c_int = 0x0009;
1725 pub const ETH_P_CANFD: ::c_int = 0x000D;
1726 pub const ETH_P_PPPTALK: ::c_int = 0x0010;
1727 pub const ETH_P_TR_802_2: ::c_int = 0x0011;
1728 pub const ETH_P_MOBITEX: ::c_int = 0x0015;
1729 pub const ETH_P_CONTROL: ::c_int = 0x0016;
1730 pub const ETH_P_IRDA: ::c_int = 0x0017;
1731 pub const ETH_P_ECONET: ::c_int = 0x0018;
1732 pub const ETH_P_HDLC: ::c_int = 0x0019;
1733 pub const ETH_P_ARCNET: ::c_int = 0x001A;
1734 pub const ETH_P_DSA: ::c_int = 0x001B;
1735 pub const ETH_P_TRAILER: ::c_int = 0x001C;
1736 pub const ETH_P_PHONET: ::c_int = 0x00F5;
1737 pub const ETH_P_IEEE802154: ::c_int = 0x00F6;
1738 pub const ETH_P_CAIF: ::c_int = 0x00F7;
1739 
1740 pub const POSIX_SPAWN_RESETIDS: ::c_int = 0x01;
1741 pub const POSIX_SPAWN_SETPGROUP: ::c_int = 0x02;
1742 pub const POSIX_SPAWN_SETSIGDEF: ::c_int = 0x04;
1743 pub const POSIX_SPAWN_SETSIGMASK: ::c_int = 0x08;
1744 pub const POSIX_SPAWN_SETSCHEDPARAM: ::c_int = 0x10;
1745 pub const POSIX_SPAWN_SETSCHEDULER: ::c_int = 0x20;
1746 
1747 pub const NLMSG_NOOP: ::c_int = 0x1;
1748 pub const NLMSG_ERROR: ::c_int = 0x2;
1749 pub const NLMSG_DONE: ::c_int = 0x3;
1750 pub const NLMSG_OVERRUN: ::c_int = 0x4;
1751 pub const NLMSG_MIN_TYPE: ::c_int = 0x10;
1752 
1753 // linux/netfilter/nfnetlink.h
1754 pub const NFNLGRP_NONE: ::c_int = 0;
1755 pub const NFNLGRP_CONNTRACK_NEW: ::c_int = 1;
1756 pub const NFNLGRP_CONNTRACK_UPDATE: ::c_int = 2;
1757 pub const NFNLGRP_CONNTRACK_DESTROY: ::c_int = 3;
1758 pub const NFNLGRP_CONNTRACK_EXP_NEW: ::c_int = 4;
1759 pub const NFNLGRP_CONNTRACK_EXP_UPDATE: ::c_int = 5;
1760 pub const NFNLGRP_CONNTRACK_EXP_DESTROY: ::c_int = 6;
1761 pub const NFNLGRP_NFTABLES: ::c_int = 7;
1762 pub const NFNLGRP_ACCT_QUOTA: ::c_int = 8;
1763 
1764 pub const NFNETLINK_V0: ::c_int = 0;
1765 
1766 pub const NFNL_SUBSYS_NONE: ::c_int = 0;
1767 pub const NFNL_SUBSYS_CTNETLINK: ::c_int = 1;
1768 pub const NFNL_SUBSYS_CTNETLINK_EXP: ::c_int = 2;
1769 pub const NFNL_SUBSYS_QUEUE: ::c_int = 3;
1770 pub const NFNL_SUBSYS_ULOG: ::c_int = 4;
1771 pub const NFNL_SUBSYS_OSF: ::c_int = 5;
1772 pub const NFNL_SUBSYS_IPSET: ::c_int = 6;
1773 pub const NFNL_SUBSYS_ACCT: ::c_int = 7;
1774 pub const NFNL_SUBSYS_CTNETLINK_TIMEOUT: ::c_int = 8;
1775 pub const NFNL_SUBSYS_CTHELPER: ::c_int = 9;
1776 pub const NFNL_SUBSYS_NFTABLES: ::c_int = 10;
1777 pub const NFNL_SUBSYS_NFT_COMPAT: ::c_int = 11;
1778 pub const NFNL_SUBSYS_COUNT: ::c_int = 12;
1779 
1780 pub const NFNL_MSG_BATCH_BEGIN: ::c_int = NLMSG_MIN_TYPE;
1781 pub const NFNL_MSG_BATCH_END: ::c_int = NLMSG_MIN_TYPE + 1;
1782 
1783 // linux/netfilter/nfnetlink_log.h
1784 pub const NFULNL_MSG_PACKET: ::c_int = 0;
1785 pub const NFULNL_MSG_CONFIG: ::c_int = 1;
1786 
1787 pub const NFULA_UNSPEC: ::c_int = 0;
1788 pub const NFULA_PACKET_HDR: ::c_int = 1;
1789 pub const NFULA_MARK: ::c_int = 2;
1790 pub const NFULA_TIMESTAMP: ::c_int = 3;
1791 pub const NFULA_IFINDEX_INDEV: ::c_int = 4;
1792 pub const NFULA_IFINDEX_OUTDEV: ::c_int = 5;
1793 pub const NFULA_IFINDEX_PHYSINDEV: ::c_int = 6;
1794 pub const NFULA_IFINDEX_PHYSOUTDEV: ::c_int = 7;
1795 pub const NFULA_HWADDR: ::c_int = 8;
1796 pub const NFULA_PAYLOAD: ::c_int = 9;
1797 pub const NFULA_PREFIX: ::c_int = 10;
1798 pub const NFULA_UID: ::c_int = 11;
1799 pub const NFULA_SEQ: ::c_int = 12;
1800 pub const NFULA_SEQ_GLOBAL: ::c_int = 13;
1801 pub const NFULA_GID: ::c_int = 14;
1802 pub const NFULA_HWTYPE: ::c_int = 15;
1803 pub const NFULA_HWHEADER: ::c_int = 16;
1804 pub const NFULA_HWLEN: ::c_int = 17;
1805 pub const NFULA_CT: ::c_int = 18;
1806 pub const NFULA_CT_INFO: ::c_int = 19;
1807 
1808 pub const NFULNL_CFG_CMD_NONE: ::c_int = 0;
1809 pub const NFULNL_CFG_CMD_BIND: ::c_int = 1;
1810 pub const NFULNL_CFG_CMD_UNBIND: ::c_int = 2;
1811 pub const NFULNL_CFG_CMD_PF_BIND: ::c_int = 3;
1812 pub const NFULNL_CFG_CMD_PF_UNBIND: ::c_int = 4;
1813 
1814 pub const NFULA_CFG_UNSPEC: ::c_int = 0;
1815 pub const NFULA_CFG_CMD: ::c_int = 1;
1816 pub const NFULA_CFG_MODE: ::c_int = 2;
1817 pub const NFULA_CFG_NLBUFSIZ: ::c_int = 3;
1818 pub const NFULA_CFG_TIMEOUT: ::c_int = 4;
1819 pub const NFULA_CFG_QTHRESH: ::c_int = 5;
1820 pub const NFULA_CFG_FLAGS: ::c_int = 6;
1821 
1822 pub const NFULNL_COPY_NONE: ::c_int = 0x00;
1823 pub const NFULNL_COPY_META: ::c_int = 0x01;
1824 pub const NFULNL_COPY_PACKET: ::c_int = 0x02;
1825 
1826 pub const NFULNL_CFG_F_SEQ: ::c_int = 0x0001;
1827 pub const NFULNL_CFG_F_SEQ_GLOBAL: ::c_int = 0x0002;
1828 pub const NFULNL_CFG_F_CONNTRACK: ::c_int = 0x0004;
1829 
1830 // linux/netfilter/nfnetlink_log.h
1831 pub const NFQNL_MSG_PACKET: ::c_int = 0;
1832 pub const NFQNL_MSG_VERDICT: ::c_int = 1;
1833 pub const NFQNL_MSG_CONFIG: ::c_int = 2;
1834 pub const NFQNL_MSG_VERDICT_BATCH: ::c_int = 3;
1835 
1836 pub const NFQA_UNSPEC: ::c_int = 0;
1837 pub const NFQA_PACKET_HDR: ::c_int = 1;
1838 pub const NFQA_VERDICT_HDR: ::c_int = 2;
1839 pub const NFQA_MARK: ::c_int = 3;
1840 pub const NFQA_TIMESTAMP: ::c_int = 4;
1841 pub const NFQA_IFINDEX_INDEV: ::c_int = 5;
1842 pub const NFQA_IFINDEX_OUTDEV: ::c_int = 6;
1843 pub const NFQA_IFINDEX_PHYSINDEV: ::c_int = 7;
1844 pub const NFQA_IFINDEX_PHYSOUTDEV: ::c_int = 8;
1845 pub const NFQA_HWADDR: ::c_int = 9;
1846 pub const NFQA_PAYLOAD: ::c_int = 10;
1847 pub const NFQA_CT: ::c_int = 11;
1848 pub const NFQA_CT_INFO: ::c_int = 12;
1849 pub const NFQA_CAP_LEN: ::c_int = 13;
1850 pub const NFQA_SKB_INFO: ::c_int = 14;
1851 pub const NFQA_EXP: ::c_int = 15;
1852 pub const NFQA_UID: ::c_int = 16;
1853 pub const NFQA_GID: ::c_int = 17;
1854 pub const NFQA_SECCTX: ::c_int = 18;
1855 /*
1856  FIXME: These are not yet available in musl sanitized kernel headers and
1857  make the tests fail. Enable them once musl has them.
1858 
1859  See https://github.com/rust-lang/libc/pull/1628 for more details.
1860 pub const NFQA_VLAN: ::c_int = 19;
1861 pub const NFQA_L2HDR: ::c_int = 20;
1862 
1863 pub const NFQA_VLAN_UNSPEC: ::c_int = 0;
1864 pub const NFQA_VLAN_PROTO: ::c_int = 1;
1865 pub const NFQA_VLAN_TCI: ::c_int = 2;
1866 */
1867 
1868 pub const NFQNL_CFG_CMD_NONE: ::c_int = 0;
1869 pub const NFQNL_CFG_CMD_BIND: ::c_int = 1;
1870 pub const NFQNL_CFG_CMD_UNBIND: ::c_int = 2;
1871 pub const NFQNL_CFG_CMD_PF_BIND: ::c_int = 3;
1872 pub const NFQNL_CFG_CMD_PF_UNBIND: ::c_int = 4;
1873 
1874 pub const NFQNL_COPY_NONE: ::c_int = 0;
1875 pub const NFQNL_COPY_META: ::c_int = 1;
1876 pub const NFQNL_COPY_PACKET: ::c_int = 2;
1877 
1878 pub const NFQA_CFG_UNSPEC: ::c_int = 0;
1879 pub const NFQA_CFG_CMD: ::c_int = 1;
1880 pub const NFQA_CFG_PARAMS: ::c_int = 2;
1881 pub const NFQA_CFG_QUEUE_MAXLEN: ::c_int = 3;
1882 pub const NFQA_CFG_MASK: ::c_int = 4;
1883 pub const NFQA_CFG_FLAGS: ::c_int = 5;
1884 
1885 pub const NFQA_CFG_F_FAIL_OPEN: ::c_int = 0x0001;
1886 pub const NFQA_CFG_F_CONNTRACK: ::c_int = 0x0002;
1887 pub const NFQA_CFG_F_GSO: ::c_int = 0x0004;
1888 pub const NFQA_CFG_F_UID_GID: ::c_int = 0x0008;
1889 pub const NFQA_CFG_F_SECCTX: ::c_int = 0x0010;
1890 pub const NFQA_CFG_F_MAX: ::c_int = 0x0020;
1891 
1892 pub const NFQA_SKB_CSUMNOTREADY: ::c_int = 0x0001;
1893 pub const NFQA_SKB_GSO: ::c_int = 0x0002;
1894 pub const NFQA_SKB_CSUM_NOTVERIFIED: ::c_int = 0x0004;
1895 
1896 pub const GENL_NAMSIZ: ::c_int = 16;
1897 
1898 pub const GENL_MIN_ID: ::c_int = NLMSG_MIN_TYPE;
1899 pub const GENL_MAX_ID: ::c_int = 1023;
1900 
1901 pub const GENL_ADMIN_PERM: ::c_int = 0x01;
1902 pub const GENL_CMD_CAP_DO: ::c_int = 0x02;
1903 pub const GENL_CMD_CAP_DUMP: ::c_int = 0x04;
1904 pub const GENL_CMD_CAP_HASPOL: ::c_int = 0x08;
1905 
1906 pub const GENL_ID_CTRL: ::c_int = NLMSG_MIN_TYPE;
1907 
1908 pub const CTRL_CMD_UNSPEC: ::c_int = 0;
1909 pub const CTRL_CMD_NEWFAMILY: ::c_int = 1;
1910 pub const CTRL_CMD_DELFAMILY: ::c_int = 2;
1911 pub const CTRL_CMD_GETFAMILY: ::c_int = 3;
1912 pub const CTRL_CMD_NEWOPS: ::c_int = 4;
1913 pub const CTRL_CMD_DELOPS: ::c_int = 5;
1914 pub const CTRL_CMD_GETOPS: ::c_int = 6;
1915 pub const CTRL_CMD_NEWMCAST_GRP: ::c_int = 7;
1916 pub const CTRL_CMD_DELMCAST_GRP: ::c_int = 8;
1917 pub const CTRL_CMD_GETMCAST_GRP: ::c_int = 9;
1918 
1919 pub const CTRL_ATTR_UNSPEC: ::c_int = 0;
1920 pub const CTRL_ATTR_FAMILY_ID: ::c_int = 1;
1921 pub const CTRL_ATTR_FAMILY_NAME: ::c_int = 2;
1922 pub const CTRL_ATTR_VERSION: ::c_int = 3;
1923 pub const CTRL_ATTR_HDRSIZE: ::c_int = 4;
1924 pub const CTRL_ATTR_MAXATTR: ::c_int = 5;
1925 pub const CTRL_ATTR_OPS: ::c_int = 6;
1926 pub const CTRL_ATTR_MCAST_GROUPS: ::c_int = 7;
1927 
1928 pub const CTRL_ATTR_OP_UNSPEC: ::c_int = 0;
1929 pub const CTRL_ATTR_OP_ID: ::c_int = 1;
1930 pub const CTRL_ATTR_OP_FLAGS: ::c_int = 2;
1931 
1932 pub const CTRL_ATTR_MCAST_GRP_UNSPEC: ::c_int = 0;
1933 pub const CTRL_ATTR_MCAST_GRP_NAME: ::c_int = 1;
1934 pub const CTRL_ATTR_MCAST_GRP_ID: ::c_int = 2;
1935 
1936 // linux/if_packet.h
1937 pub const PACKET_ADD_MEMBERSHIP: ::c_int = 1;
1938 pub const PACKET_DROP_MEMBERSHIP: ::c_int = 2;
1939 
1940 pub const PACKET_MR_MULTICAST: ::c_int = 0;
1941 pub const PACKET_MR_PROMISC: ::c_int = 1;
1942 pub const PACKET_MR_ALLMULTI: ::c_int = 2;
1943 
1944 // linux/netfilter.h
1945 pub const NF_DROP: ::c_int = 0;
1946 pub const NF_ACCEPT: ::c_int = 1;
1947 pub const NF_STOLEN: ::c_int = 2;
1948 pub const NF_QUEUE: ::c_int = 3;
1949 pub const NF_REPEAT: ::c_int = 4;
1950 pub const NF_STOP: ::c_int = 5;
1951 pub const NF_MAX_VERDICT: ::c_int = NF_STOP;
1952 
1953 pub const NF_VERDICT_MASK: ::c_int = 0x000000ff;
1954 pub const NF_VERDICT_FLAG_QUEUE_BYPASS: ::c_int = 0x00008000;
1955 
1956 pub const NF_VERDICT_QMASK: ::c_int = 0xffff0000;
1957 pub const NF_VERDICT_QBITS: ::c_int = 16;
1958 
1959 pub const NF_VERDICT_BITS: ::c_int = 16;
1960 
1961 pub const NF_INET_PRE_ROUTING: ::c_int = 0;
1962 pub const NF_INET_LOCAL_IN: ::c_int = 1;
1963 pub const NF_INET_FORWARD: ::c_int = 2;
1964 pub const NF_INET_LOCAL_OUT: ::c_int = 3;
1965 pub const NF_INET_POST_ROUTING: ::c_int = 4;
1966 pub const NF_INET_NUMHOOKS: ::c_int = 5;
1967 
1968 // Some NFPROTO are not compatible with musl and are defined in submodules.
1969 pub const NFPROTO_UNSPEC: ::c_int = 0;
1970 pub const NFPROTO_IPV4: ::c_int = 2;
1971 pub const NFPROTO_ARP: ::c_int = 3;
1972 pub const NFPROTO_BRIDGE: ::c_int = 7;
1973 pub const NFPROTO_IPV6: ::c_int = 10;
1974 pub const NFPROTO_DECNET: ::c_int = 12;
1975 pub const NFPROTO_NUMPROTO: ::c_int = 13;
1976 
1977 // linux/netfilter_ipv4.h
1978 pub const NF_IP_PRE_ROUTING: ::c_int = 0;
1979 pub const NF_IP_LOCAL_IN: ::c_int = 1;
1980 pub const NF_IP_FORWARD: ::c_int = 2;
1981 pub const NF_IP_LOCAL_OUT: ::c_int = 3;
1982 pub const NF_IP_POST_ROUTING: ::c_int = 4;
1983 pub const NF_IP_NUMHOOKS: ::c_int = 5;
1984 
1985 pub const NF_IP_PRI_FIRST: ::c_int = ::INT_MIN;
1986 pub const NF_IP_PRI_CONNTRACK_DEFRAG: ::c_int = -400;
1987 pub const NF_IP_PRI_RAW: ::c_int = -300;
1988 pub const NF_IP_PRI_SELINUX_FIRST: ::c_int = -225;
1989 pub const NF_IP_PRI_CONNTRACK: ::c_int = -200;
1990 pub const NF_IP_PRI_MANGLE: ::c_int = -150;
1991 pub const NF_IP_PRI_NAT_DST: ::c_int = -100;
1992 pub const NF_IP_PRI_FILTER: ::c_int = 0;
1993 pub const NF_IP_PRI_SECURITY: ::c_int = 50;
1994 pub const NF_IP_PRI_NAT_SRC: ::c_int = 100;
1995 pub const NF_IP_PRI_SELINUX_LAST: ::c_int = 225;
1996 pub const NF_IP_PRI_CONNTRACK_HELPER: ::c_int = 300;
1997 pub const NF_IP_PRI_CONNTRACK_CONFIRM: ::c_int = ::INT_MAX;
1998 pub const NF_IP_PRI_LAST: ::c_int = ::INT_MAX;
1999 
2000 // linux/netfilter_ipv6.h
2001 pub const NF_IP6_PRE_ROUTING: ::c_int = 0;
2002 pub const NF_IP6_LOCAL_IN: ::c_int = 1;
2003 pub const NF_IP6_FORWARD: ::c_int = 2;
2004 pub const NF_IP6_LOCAL_OUT: ::c_int = 3;
2005 pub const NF_IP6_POST_ROUTING: ::c_int = 4;
2006 pub const NF_IP6_NUMHOOKS: ::c_int = 5;
2007 
2008 pub const NF_IP6_PRI_FIRST: ::c_int = ::INT_MIN;
2009 pub const NF_IP6_PRI_CONNTRACK_DEFRAG: ::c_int = -400;
2010 pub const NF_IP6_PRI_RAW: ::c_int = -300;
2011 pub const NF_IP6_PRI_SELINUX_FIRST: ::c_int = -225;
2012 pub const NF_IP6_PRI_CONNTRACK: ::c_int = -200;
2013 pub const NF_IP6_PRI_MANGLE: ::c_int = -150;
2014 pub const NF_IP6_PRI_NAT_DST: ::c_int = -100;
2015 pub const NF_IP6_PRI_FILTER: ::c_int = 0;
2016 pub const NF_IP6_PRI_SECURITY: ::c_int = 50;
2017 pub const NF_IP6_PRI_NAT_SRC: ::c_int = 100;
2018 pub const NF_IP6_PRI_SELINUX_LAST: ::c_int = 225;
2019 pub const NF_IP6_PRI_CONNTRACK_HELPER: ::c_int = 300;
2020 pub const NF_IP6_PRI_LAST: ::c_int = ::INT_MAX;
2021 
2022 // linux/netfilter_ipv6/ip6_tables.h
2023 pub const IP6T_SO_ORIGINAL_DST: ::c_int = 80;
2024 
2025 pub const SIOCADDRT: ::c_ulong = 0x0000890B;
2026 pub const SIOCDELRT: ::c_ulong = 0x0000890C;
2027 pub const SIOCGIFNAME: ::c_ulong = 0x00008910;
2028 pub const SIOCSIFLINK: ::c_ulong = 0x00008911;
2029 pub const SIOCGIFCONF: ::c_ulong = 0x00008912;
2030 pub const SIOCGIFFLAGS: ::c_ulong = 0x00008913;
2031 pub const SIOCSIFFLAGS: ::c_ulong = 0x00008914;
2032 pub const SIOCGIFADDR: ::c_ulong = 0x00008915;
2033 pub const SIOCSIFADDR: ::c_ulong = 0x00008916;
2034 pub const SIOCGIFDSTADDR: ::c_ulong = 0x00008917;
2035 pub const SIOCSIFDSTADDR: ::c_ulong = 0x00008918;
2036 pub const SIOCGIFBRDADDR: ::c_ulong = 0x00008919;
2037 pub const SIOCSIFBRDADDR: ::c_ulong = 0x0000891A;
2038 pub const SIOCGIFNETMASK: ::c_ulong = 0x0000891B;
2039 pub const SIOCSIFNETMASK: ::c_ulong = 0x0000891C;
2040 pub const SIOCGIFMETRIC: ::c_ulong = 0x0000891D;
2041 pub const SIOCSIFMETRIC: ::c_ulong = 0x0000891E;
2042 pub const SIOCGIFMEM: ::c_ulong = 0x0000891F;
2043 pub const SIOCSIFMEM: ::c_ulong = 0x00008920;
2044 pub const SIOCGIFMTU: ::c_ulong = 0x00008921;
2045 pub const SIOCSIFMTU: ::c_ulong = 0x00008922;
2046 pub const SIOCSIFHWADDR: ::c_ulong = 0x00008924;
2047 pub const SIOCGIFENCAP: ::c_ulong = 0x00008925;
2048 pub const SIOCSIFENCAP: ::c_ulong = 0x00008926;
2049 pub const SIOCGIFHWADDR: ::c_ulong = 0x00008927;
2050 pub const SIOCGIFSLAVE: ::c_ulong = 0x00008929;
2051 pub const SIOCSIFSLAVE: ::c_ulong = 0x00008930;
2052 pub const SIOCADDMULTI: ::c_ulong = 0x00008931;
2053 pub const SIOCDELMULTI: ::c_ulong = 0x00008932;
2054 pub const SIOCDARP: ::c_ulong = 0x00008953;
2055 pub const SIOCGARP: ::c_ulong = 0x00008954;
2056 pub const SIOCSARP: ::c_ulong = 0x00008955;
2057 pub const SIOCDRARP: ::c_ulong = 0x00008960;
2058 pub const SIOCGRARP: ::c_ulong = 0x00008961;
2059 pub const SIOCSRARP: ::c_ulong = 0x00008962;
2060 pub const SIOCGIFMAP: ::c_ulong = 0x00008970;
2061 pub const SIOCSIFMAP: ::c_ulong = 0x00008971;
2062 
2063 pub const IPTOS_TOS_MASK: u8 = 0x1E;
2064 pub const IPTOS_PREC_MASK: u8 = 0xE0;
2065 
2066 pub const IPTOS_ECN_NOT_ECT: u8 = 0x00;
2067 
2068 pub const RTF_UP: ::c_ushort = 0x0001;
2069 pub const RTF_GATEWAY: ::c_ushort = 0x0002;
2070 
2071 pub const RTF_HOST: ::c_ushort = 0x0004;
2072 pub const RTF_REINSTATE: ::c_ushort = 0x0008;
2073 pub const RTF_DYNAMIC: ::c_ushort = 0x0010;
2074 pub const RTF_MODIFIED: ::c_ushort = 0x0020;
2075 pub const RTF_MTU: ::c_ushort = 0x0040;
2076 pub const RTF_MSS: ::c_ushort = RTF_MTU;
2077 pub const RTF_WINDOW: ::c_ushort = 0x0080;
2078 pub const RTF_IRTT: ::c_ushort = 0x0100;
2079 pub const RTF_REJECT: ::c_ushort = 0x0200;
2080 pub const RTF_STATIC: ::c_ushort = 0x0400;
2081 pub const RTF_XRESOLVE: ::c_ushort = 0x0800;
2082 pub const RTF_NOFORWARD: ::c_ushort = 0x1000;
2083 pub const RTF_THROW: ::c_ushort = 0x2000;
2084 pub const RTF_NOPMTUDISC: ::c_ushort = 0x4000;
2085 
2086 pub const RTF_DEFAULT: u32 = 0x00010000;
2087 pub const RTF_ALLONLINK: u32 = 0x00020000;
2088 pub const RTF_ADDRCONF: u32 = 0x00040000;
2089 pub const RTF_LINKRT: u32 = 0x00100000;
2090 pub const RTF_NONEXTHOP: u32 = 0x00200000;
2091 pub const RTF_CACHE: u32 = 0x01000000;
2092 pub const RTF_FLOW: u32 = 0x02000000;
2093 pub const RTF_POLICY: u32 = 0x04000000;
2094 
2095 pub const RTCF_VALVE: u32 = 0x00200000;
2096 pub const RTCF_MASQ: u32 = 0x00400000;
2097 pub const RTCF_NAT: u32 = 0x00800000;
2098 pub const RTCF_DOREDIRECT: u32 = 0x01000000;
2099 pub const RTCF_LOG: u32 = 0x02000000;
2100 pub const RTCF_DIRECTSRC: u32 = 0x04000000;
2101 
2102 pub const RTF_LOCAL: u32 = 0x80000000;
2103 pub const RTF_INTERFACE: u32 = 0x40000000;
2104 pub const RTF_MULTICAST: u32 = 0x20000000;
2105 pub const RTF_BROADCAST: u32 = 0x10000000;
2106 pub const RTF_NAT: u32 = 0x08000000;
2107 pub const RTF_ADDRCLASSMASK: u32 = 0xF8000000;
2108 
2109 pub const RT_CLASS_UNSPEC: u8 = 0;
2110 pub const RT_CLASS_DEFAULT: u8 = 253;
2111 pub const RT_CLASS_MAIN: u8 = 254;
2112 pub const RT_CLASS_LOCAL: u8 = 255;
2113 pub const RT_CLASS_MAX: u8 = 255;
2114 
2115 // linux/neighbor.h
2116 pub const NUD_NONE: u16 = 0x00;
2117 pub const NUD_INCOMPLETE: u16 = 0x01;
2118 pub const NUD_REACHABLE: u16 = 0x02;
2119 pub const NUD_STALE: u16 = 0x04;
2120 pub const NUD_DELAY: u16 = 0x08;
2121 pub const NUD_PROBE: u16 = 0x10;
2122 pub const NUD_FAILED: u16 = 0x20;
2123 pub const NUD_NOARP: u16 = 0x40;
2124 pub const NUD_PERMANENT: u16 = 0x80;
2125 
2126 pub const NTF_USE: u8 = 0x01;
2127 pub const NTF_SELF: u8 = 0x02;
2128 pub const NTF_MASTER: u8 = 0x04;
2129 pub const NTF_PROXY: u8 = 0x08;
2130 pub const NTF_ROUTER: u8 = 0x80;
2131 
2132 pub const NDA_UNSPEC: ::c_ushort = 0;
2133 pub const NDA_DST: ::c_ushort = 1;
2134 pub const NDA_LLADDR: ::c_ushort = 2;
2135 pub const NDA_CACHEINFO: ::c_ushort = 3;
2136 pub const NDA_PROBES: ::c_ushort = 4;
2137 pub const NDA_VLAN: ::c_ushort = 5;
2138 pub const NDA_PORT: ::c_ushort = 6;
2139 pub const NDA_VNI: ::c_ushort = 7;
2140 pub const NDA_IFINDEX: ::c_ushort = 8;
2141 
2142 // linux/netlink.h
2143 pub const NLA_ALIGNTO: ::c_int = 4;
2144 
2145 pub const NETLINK_ROUTE: ::c_int = 0;
2146 pub const NETLINK_UNUSED: ::c_int = 1;
2147 pub const NETLINK_USERSOCK: ::c_int = 2;
2148 pub const NETLINK_FIREWALL: ::c_int = 3;
2149 pub const NETLINK_SOCK_DIAG: ::c_int = 4;
2150 pub const NETLINK_NFLOG: ::c_int = 5;
2151 pub const NETLINK_XFRM: ::c_int = 6;
2152 pub const NETLINK_SELINUX: ::c_int = 7;
2153 pub const NETLINK_ISCSI: ::c_int = 8;
2154 pub const NETLINK_AUDIT: ::c_int = 9;
2155 pub const NETLINK_FIB_LOOKUP: ::c_int = 10;
2156 pub const NETLINK_CONNECTOR: ::c_int = 11;
2157 pub const NETLINK_NETFILTER: ::c_int = 12;
2158 pub const NETLINK_IP6_FW: ::c_int = 13;
2159 pub const NETLINK_DNRTMSG: ::c_int = 14;
2160 pub const NETLINK_KOBJECT_UEVENT: ::c_int = 15;
2161 pub const NETLINK_GENERIC: ::c_int = 16;
2162 pub const NETLINK_SCSITRANSPORT: ::c_int = 18;
2163 pub const NETLINK_ECRYPTFS: ::c_int = 19;
2164 pub const NETLINK_RDMA: ::c_int = 20;
2165 pub const NETLINK_CRYPTO: ::c_int = 21;
2166 pub const NETLINK_INET_DIAG: ::c_int = NETLINK_SOCK_DIAG;
2167 
2168 pub const NLM_F_REQUEST: ::c_int = 1;
2169 pub const NLM_F_MULTI: ::c_int = 2;
2170 pub const NLM_F_ACK: ::c_int = 4;
2171 pub const NLM_F_ECHO: ::c_int = 8;
2172 pub const NLM_F_DUMP_INTR: ::c_int = 16;
2173 pub const NLM_F_DUMP_FILTERED: ::c_int = 32;
2174 
2175 pub const NLM_F_ROOT: ::c_int = 0x100;
2176 pub const NLM_F_MATCH: ::c_int = 0x200;
2177 pub const NLM_F_ATOMIC: ::c_int = 0x400;
2178 pub const NLM_F_DUMP: ::c_int = NLM_F_ROOT | NLM_F_MATCH;
2179 
2180 pub const NLM_F_REPLACE: ::c_int = 0x100;
2181 pub const NLM_F_EXCL: ::c_int = 0x200;
2182 pub const NLM_F_CREATE: ::c_int = 0x400;
2183 pub const NLM_F_APPEND: ::c_int = 0x800;
2184 
2185 pub const NETLINK_ADD_MEMBERSHIP: ::c_int = 1;
2186 pub const NETLINK_DROP_MEMBERSHIP: ::c_int = 2;
2187 pub const NETLINK_PKTINFO: ::c_int = 3;
2188 pub const NETLINK_BROADCAST_ERROR: ::c_int = 4;
2189 pub const NETLINK_NO_ENOBUFS: ::c_int = 5;
2190 pub const NETLINK_RX_RING: ::c_int = 6;
2191 pub const NETLINK_TX_RING: ::c_int = 7;
2192 pub const NETLINK_LISTEN_ALL_NSID: ::c_int = 8;
2193 pub const NETLINK_LIST_MEMBERSHIPS: ::c_int = 9;
2194 pub const NETLINK_CAP_ACK: ::c_int = 10;
2195 
2196 pub const NLA_F_NESTED: ::c_int = 1 << 15;
2197 pub const NLA_F_NET_BYTEORDER: ::c_int = 1 << 14;
2198 pub const NLA_TYPE_MASK: ::c_int = !(NLA_F_NESTED | NLA_F_NET_BYTEORDER);
2199 
2200 // linux/rtnetlink.h
2201 pub const TCA_UNSPEC: ::c_ushort = 0;
2202 pub const TCA_KIND: ::c_ushort = 1;
2203 pub const TCA_OPTIONS: ::c_ushort = 2;
2204 pub const TCA_STATS: ::c_ushort = 3;
2205 pub const TCA_XSTATS: ::c_ushort = 4;
2206 pub const TCA_RATE: ::c_ushort = 5;
2207 pub const TCA_FCNT: ::c_ushort = 6;
2208 pub const TCA_STATS2: ::c_ushort = 7;
2209 pub const TCA_STAB: ::c_ushort = 8;
2210 
2211 pub const RTM_NEWLINK: u16 = 16;
2212 pub const RTM_DELLINK: u16 = 17;
2213 pub const RTM_GETLINK: u16 = 18;
2214 pub const RTM_SETLINK: u16 = 19;
2215 pub const RTM_NEWADDR: u16 = 20;
2216 pub const RTM_DELADDR: u16 = 21;
2217 pub const RTM_GETADDR: u16 = 22;
2218 pub const RTM_NEWROUTE: u16 = 24;
2219 pub const RTM_DELROUTE: u16 = 25;
2220 pub const RTM_GETROUTE: u16 = 26;
2221 pub const RTM_NEWNEIGH: u16 = 28;
2222 pub const RTM_DELNEIGH: u16 = 29;
2223 pub const RTM_GETNEIGH: u16 = 30;
2224 pub const RTM_NEWRULE: u16 = 32;
2225 pub const RTM_DELRULE: u16 = 33;
2226 pub const RTM_GETRULE: u16 = 34;
2227 pub const RTM_NEWQDISC: u16 = 36;
2228 pub const RTM_DELQDISC: u16 = 37;
2229 pub const RTM_GETQDISC: u16 = 38;
2230 pub const RTM_NEWTCLASS: u16 = 40;
2231 pub const RTM_DELTCLASS: u16 = 41;
2232 pub const RTM_GETTCLASS: u16 = 42;
2233 pub const RTM_NEWTFILTER: u16 = 44;
2234 pub const RTM_DELTFILTER: u16 = 45;
2235 pub const RTM_GETTFILTER: u16 = 46;
2236 pub const RTM_NEWACTION: u16 = 48;
2237 pub const RTM_DELACTION: u16 = 49;
2238 pub const RTM_GETACTION: u16 = 50;
2239 pub const RTM_NEWPREFIX: u16 = 52;
2240 pub const RTM_GETMULTICAST: u16 = 58;
2241 pub const RTM_GETANYCAST: u16 = 62;
2242 pub const RTM_NEWNEIGHTBL: u16 = 64;
2243 pub const RTM_GETNEIGHTBL: u16 = 66;
2244 pub const RTM_SETNEIGHTBL: u16 = 67;
2245 pub const RTM_NEWNDUSEROPT: u16 = 68;
2246 pub const RTM_NEWADDRLABEL: u16 = 72;
2247 pub const RTM_DELADDRLABEL: u16 = 73;
2248 pub const RTM_GETADDRLABEL: u16 = 74;
2249 pub const RTM_GETDCB: u16 = 78;
2250 pub const RTM_SETDCB: u16 = 79;
2251 pub const RTM_NEWNETCONF: u16 = 80;
2252 pub const RTM_GETNETCONF: u16 = 82;
2253 pub const RTM_NEWMDB: u16 = 84;
2254 pub const RTM_DELMDB: u16 = 85;
2255 pub const RTM_GETMDB: u16 = 86;
2256 pub const RTM_NEWNSID: u16 = 88;
2257 pub const RTM_DELNSID: u16 = 89;
2258 pub const RTM_GETNSID: u16 = 90;
2259 
2260 pub const RTM_F_NOTIFY: ::c_uint = 0x100;
2261 pub const RTM_F_CLONED: ::c_uint = 0x200;
2262 pub const RTM_F_EQUALIZE: ::c_uint = 0x400;
2263 pub const RTM_F_PREFIX: ::c_uint = 0x800;
2264 
2265 pub const RTA_UNSPEC: ::c_ushort = 0;
2266 pub const RTA_DST: ::c_ushort = 1;
2267 pub const RTA_SRC: ::c_ushort = 2;
2268 pub const RTA_IIF: ::c_ushort = 3;
2269 pub const RTA_OIF: ::c_ushort = 4;
2270 pub const RTA_GATEWAY: ::c_ushort = 5;
2271 pub const RTA_PRIORITY: ::c_ushort = 6;
2272 pub const RTA_PREFSRC: ::c_ushort = 7;
2273 pub const RTA_METRICS: ::c_ushort = 8;
2274 pub const RTA_MULTIPATH: ::c_ushort = 9;
2275 pub const RTA_PROTOINFO: ::c_ushort = 10; // No longer used
2276 pub const RTA_FLOW: ::c_ushort = 11;
2277 pub const RTA_CACHEINFO: ::c_ushort = 12;
2278 pub const RTA_SESSION: ::c_ushort = 13; // No longer used
2279 pub const RTA_MP_ALGO: ::c_ushort = 14; // No longer used
2280 pub const RTA_TABLE: ::c_ushort = 15;
2281 pub const RTA_MARK: ::c_ushort = 16;
2282 pub const RTA_MFC_STATS: ::c_ushort = 17;
2283 
2284 pub const RTN_UNSPEC: ::c_uchar = 0;
2285 pub const RTN_UNICAST: ::c_uchar = 1;
2286 pub const RTN_LOCAL: ::c_uchar = 2;
2287 pub const RTN_BROADCAST: ::c_uchar = 3;
2288 pub const RTN_ANYCAST: ::c_uchar = 4;
2289 pub const RTN_MULTICAST: ::c_uchar = 5;
2290 pub const RTN_BLACKHOLE: ::c_uchar = 6;
2291 pub const RTN_UNREACHABLE: ::c_uchar = 7;
2292 pub const RTN_PROHIBIT: ::c_uchar = 8;
2293 pub const RTN_THROW: ::c_uchar = 9;
2294 pub const RTN_NAT: ::c_uchar = 10;
2295 pub const RTN_XRESOLVE: ::c_uchar = 11;
2296 
2297 pub const RTPROT_UNSPEC: ::c_uchar = 0;
2298 pub const RTPROT_REDIRECT: ::c_uchar = 1;
2299 pub const RTPROT_KERNEL: ::c_uchar = 2;
2300 pub const RTPROT_BOOT: ::c_uchar = 3;
2301 pub const RTPROT_STATIC: ::c_uchar = 4;
2302 
2303 pub const RT_SCOPE_UNIVERSE: ::c_uchar = 0;
2304 pub const RT_SCOPE_SITE: ::c_uchar = 200;
2305 pub const RT_SCOPE_LINK: ::c_uchar = 253;
2306 pub const RT_SCOPE_HOST: ::c_uchar = 254;
2307 pub const RT_SCOPE_NOWHERE: ::c_uchar = 255;
2308 
2309 pub const RT_TABLE_UNSPEC: ::c_uchar = 0;
2310 pub const RT_TABLE_COMPAT: ::c_uchar = 252;
2311 pub const RT_TABLE_DEFAULT: ::c_uchar = 253;
2312 pub const RT_TABLE_MAIN: ::c_uchar = 254;
2313 pub const RT_TABLE_LOCAL: ::c_uchar = 255;
2314 
2315 pub const RTMSG_OVERRUN: u32 = ::NLMSG_OVERRUN as u32;
2316 pub const RTMSG_NEWDEVICE: u32 = 0x11;
2317 pub const RTMSG_DELDEVICE: u32 = 0x12;
2318 pub const RTMSG_NEWROUTE: u32 = 0x21;
2319 pub const RTMSG_DELROUTE: u32 = 0x22;
2320 pub const RTMSG_NEWRULE: u32 = 0x31;
2321 pub const RTMSG_DELRULE: u32 = 0x32;
2322 pub const RTMSG_CONTROL: u32 = 0x40;
2323 pub const RTMSG_AR_FAILED: u32 = 0x51;
2324 
2325 pub const MAX_ADDR_LEN: usize = 7;
2326 pub const ARPD_UPDATE: ::c_ushort = 0x01;
2327 pub const ARPD_LOOKUP: ::c_ushort = 0x02;
2328 pub const ARPD_FLUSH: ::c_ushort = 0x03;
2329 pub const ATF_MAGIC: ::c_int = 0x80;
2330 
2331 #[cfg(not(target_arch = "sparc64"))]
2332 pub const SO_TIMESTAMPING: ::c_int = 37;
2333 #[cfg(target_arch = "sparc64")]
2334 pub const SO_TIMESTAMPING: ::c_int = 35;
2335 pub const SCM_TIMESTAMPING: ::c_int = SO_TIMESTAMPING;
2336 
2337 // linux/module.h
2338 pub const MODULE_INIT_IGNORE_MODVERSIONS: ::c_uint = 0x0001;
2339 pub const MODULE_INIT_IGNORE_VERMAGIC: ::c_uint = 0x0002;
2340 
2341 // linux/net_tstamp.h
2342 pub const SOF_TIMESTAMPING_TX_HARDWARE: ::c_uint = 1 << 0;
2343 pub const SOF_TIMESTAMPING_TX_SOFTWARE: ::c_uint = 1 << 1;
2344 pub const SOF_TIMESTAMPING_RX_HARDWARE: ::c_uint = 1 << 2;
2345 pub const SOF_TIMESTAMPING_RX_SOFTWARE: ::c_uint = 1 << 3;
2346 pub const SOF_TIMESTAMPING_SOFTWARE: ::c_uint = 1 << 4;
2347 pub const SOF_TIMESTAMPING_SYS_HARDWARE: ::c_uint = 1 << 5;
2348 pub const SOF_TIMESTAMPING_RAW_HARDWARE: ::c_uint = 1 << 6;
2349 
2350 // linux/if_alg.h
2351 pub const ALG_SET_KEY: ::c_int = 1;
2352 pub const ALG_SET_IV: ::c_int = 2;
2353 pub const ALG_SET_OP: ::c_int = 3;
2354 pub const ALG_SET_AEAD_ASSOCLEN: ::c_int = 4;
2355 pub const ALG_SET_AEAD_AUTHSIZE: ::c_int = 5;
2356 
2357 pub const ALG_OP_DECRYPT: ::c_int = 0;
2358 pub const ALG_OP_ENCRYPT: ::c_int = 1;
2359 
2360 // include/uapi/linux/udp.h
2361 pub const UDP_CORK: ::c_int = 1;
2362 pub const UDP_ENCAP: ::c_int = 100;
2363 pub const UDP_NO_CHECK6_TX: ::c_int = 101;
2364 pub const UDP_NO_CHECK6_RX: ::c_int = 102;
2365 
2366 // include/uapi/linux/mman.h
2367 pub const MAP_SHARED_VALIDATE: ::c_int = 0x3;
2368 
2369 // include/uapi/asm-generic/mman-common.h
2370 pub const MAP_FIXED_NOREPLACE: ::c_int = 0x100000;
2371 
2372 // uapi/linux/vm_sockets.h
2373 pub const VMADDR_CID_ANY: ::c_uint = 0xFFFFFFFF;
2374 pub const VMADDR_CID_HYPERVISOR: ::c_uint = 0;
2375 #[deprecated(
2376     since = "0.2.74",
2377     note = "VMADDR_CID_RESERVED is removed since Linux v5.6 and \
2378             replaced with VMADDR_CID_LOCAL"
2379 )]
2380 pub const VMADDR_CID_RESERVED: ::c_uint = 1;
2381 pub const VMADDR_CID_LOCAL: ::c_uint = 1;
2382 pub const VMADDR_CID_HOST: ::c_uint = 2;
2383 pub const VMADDR_PORT_ANY: ::c_uint = 0xFFFFFFFF;
2384 
2385 // uapi/linux/inotify.h
2386 pub const IN_ACCESS: u32 = 0x0000_0001;
2387 pub const IN_MODIFY: u32 = 0x0000_0002;
2388 pub const IN_ATTRIB: u32 = 0x0000_0004;
2389 pub const IN_CLOSE_WRITE: u32 = 0x0000_0008;
2390 pub const IN_CLOSE_NOWRITE: u32 = 0x0000_0010;
2391 pub const IN_CLOSE: u32 = IN_CLOSE_WRITE | IN_CLOSE_NOWRITE;
2392 pub const IN_OPEN: u32 = 0x0000_0020;
2393 pub const IN_MOVED_FROM: u32 = 0x0000_0040;
2394 pub const IN_MOVED_TO: u32 = 0x0000_0080;
2395 pub const IN_MOVE: u32 = IN_MOVED_FROM | IN_MOVED_TO;
2396 pub const IN_CREATE: u32 = 0x0000_0100;
2397 pub const IN_DELETE: u32 = 0x0000_0200;
2398 pub const IN_DELETE_SELF: u32 = 0x0000_0400;
2399 pub const IN_MOVE_SELF: u32 = 0x0000_0800;
2400 pub const IN_UNMOUNT: u32 = 0x0000_2000;
2401 pub const IN_Q_OVERFLOW: u32 = 0x0000_4000;
2402 pub const IN_IGNORED: u32 = 0x0000_8000;
2403 pub const IN_ONLYDIR: u32 = 0x0100_0000;
2404 pub const IN_DONT_FOLLOW: u32 = 0x0200_0000;
2405 // pub const IN_EXCL_UNLINK:   u32 = 0x0400_0000;
2406 
2407 // linux/keyctl.h
2408 pub const KEY_SPEC_THREAD_KEYRING: i32 = -1;
2409 pub const KEY_SPEC_PROCESS_KEYRING: i32 = -2;
2410 pub const KEY_SPEC_SESSION_KEYRING: i32 = -3;
2411 pub const KEY_SPEC_USER_KEYRING: i32 = -4;
2412 pub const KEY_SPEC_USER_SESSION_KEYRING: i32 = -5;
2413 pub const KEY_SPEC_GROUP_KEYRING: i32 = -6;
2414 pub const KEY_SPEC_REQKEY_AUTH_KEY: i32 = -7;
2415 pub const KEY_SPEC_REQUESTOR_KEYRING: i32 = -8;
2416 
2417 pub const KEY_REQKEY_DEFL_NO_CHANGE: i32 = -1;
2418 pub const KEY_REQKEY_DEFL_DEFAULT: i32 = 0;
2419 pub const KEY_REQKEY_DEFL_THREAD_KEYRING: i32 = 1;
2420 pub const KEY_REQKEY_DEFL_PROCESS_KEYRING: i32 = 2;
2421 pub const KEY_REQKEY_DEFL_SESSION_KEYRING: i32 = 3;
2422 pub const KEY_REQKEY_DEFL_USER_KEYRING: i32 = 4;
2423 pub const KEY_REQKEY_DEFL_USER_SESSION_KEYRING: i32 = 5;
2424 pub const KEY_REQKEY_DEFL_GROUP_KEYRING: i32 = 6;
2425 pub const KEY_REQKEY_DEFL_REQUESTOR_KEYRING: i32 = 7;
2426 
2427 pub const KEYCTL_GET_KEYRING_ID: u32 = 0;
2428 pub const KEYCTL_JOIN_SESSION_KEYRING: u32 = 1;
2429 pub const KEYCTL_UPDATE: u32 = 2;
2430 pub const KEYCTL_REVOKE: u32 = 3;
2431 pub const KEYCTL_CHOWN: u32 = 4;
2432 pub const KEYCTL_SETPERM: u32 = 5;
2433 pub const KEYCTL_DESCRIBE: u32 = 6;
2434 pub const KEYCTL_CLEAR: u32 = 7;
2435 pub const KEYCTL_LINK: u32 = 8;
2436 pub const KEYCTL_UNLINK: u32 = 9;
2437 pub const KEYCTL_SEARCH: u32 = 10;
2438 pub const KEYCTL_READ: u32 = 11;
2439 pub const KEYCTL_INSTANTIATE: u32 = 12;
2440 pub const KEYCTL_NEGATE: u32 = 13;
2441 pub const KEYCTL_SET_REQKEY_KEYRING: u32 = 14;
2442 pub const KEYCTL_SET_TIMEOUT: u32 = 15;
2443 pub const KEYCTL_ASSUME_AUTHORITY: u32 = 16;
2444 pub const KEYCTL_GET_SECURITY: u32 = 17;
2445 pub const KEYCTL_SESSION_TO_PARENT: u32 = 18;
2446 pub const KEYCTL_REJECT: u32 = 19;
2447 pub const KEYCTL_INSTANTIATE_IOV: u32 = 20;
2448 pub const KEYCTL_INVALIDATE: u32 = 21;
2449 pub const KEYCTL_GET_PERSISTENT: u32 = 22;
2450 
2451 // pub const IN_MASK_CREATE:   u32 = 0x1000_0000;
2452 // pub const IN_MASK_ADD:      u32 = 0x2000_0000;
2453 pub const IN_ISDIR: u32 = 0x4000_0000;
2454 pub const IN_ONESHOT: u32 = 0x8000_0000;
2455 
2456 pub const IN_ALL_EVENTS: u32 = IN_ACCESS
2457     | IN_MODIFY
2458     | IN_ATTRIB
2459     | IN_CLOSE_WRITE
2460     | IN_CLOSE_NOWRITE
2461     | IN_OPEN
2462     | IN_MOVED_FROM
2463     | IN_MOVED_TO
2464     | IN_DELETE
2465     | IN_CREATE
2466     | IN_DELETE_SELF
2467     | IN_MOVE_SELF;
2468 
2469 pub const IN_CLOEXEC: ::c_int = O_CLOEXEC;
2470 pub const IN_NONBLOCK: ::c_int = O_NONBLOCK;
2471 
2472 // uapi/linux/fanotify.h
2473 pub const FAN_ACCESS: u64 = 0x0000_0001;
2474 pub const FAN_MODIFY: u64 = 0x0000_0002;
2475 pub const FAN_CLOSE_WRITE: u64 = 0x0000_0008;
2476 pub const FAN_CLOSE_NOWRITE: u64 = 0x0000_0010;
2477 pub const FAN_OPEN: u64 = 0x0000_0020;
2478 
2479 pub const FAN_Q_OVERFLOW: u64 = 0x0000_4000;
2480 
2481 pub const FAN_OPEN_PERM: u64 = 0x0001_0000;
2482 pub const FAN_ACCESS_PERM: u64 = 0x0002_0000;
2483 
2484 pub const FAN_ONDIR: u64 = 0x4000_0000;
2485 
2486 pub const FAN_EVENT_ON_CHILD: u64 = 0x0800_0000;
2487 
2488 pub const FAN_CLOSE: u64 = FAN_CLOSE_WRITE | FAN_CLOSE_NOWRITE;
2489 
2490 pub const FAN_CLOEXEC: ::c_uint = 0x0000_0001;
2491 pub const FAN_NONBLOCK: ::c_uint = 0x0000_0002;
2492 
2493 pub const FAN_CLASS_NOTIF: ::c_uint = 0x0000_0000;
2494 pub const FAN_CLASS_CONTENT: ::c_uint = 0x0000_0004;
2495 pub const FAN_CLASS_PRE_CONTENT: ::c_uint = 0x0000_0008;
2496 
2497 pub const FAN_UNLIMITED_QUEUE: ::c_uint = 0x0000_0010;
2498 pub const FAN_UNLIMITED_MARKS: ::c_uint = 0x0000_0020;
2499 
2500 pub const FAN_MARK_ADD: ::c_uint = 0x0000_0001;
2501 pub const FAN_MARK_REMOVE: ::c_uint = 0x0000_0002;
2502 pub const FAN_MARK_DONT_FOLLOW: ::c_uint = 0x0000_0004;
2503 pub const FAN_MARK_ONLYDIR: ::c_uint = 0x0000_0008;
2504 pub const FAN_MARK_IGNORED_MASK: ::c_uint = 0x0000_0020;
2505 pub const FAN_MARK_IGNORED_SURV_MODIFY: ::c_uint = 0x0000_0040;
2506 pub const FAN_MARK_FLUSH: ::c_uint = 0x0000_0080;
2507 
2508 pub const FANOTIFY_METADATA_VERSION: u8 = 3;
2509 
2510 pub const FAN_ALLOW: u32 = 0x01;
2511 pub const FAN_DENY: u32 = 0x02;
2512 
2513 pub const FAN_NOFD: ::c_int = -1;
2514 
2515 pub const FUTEX_WAIT: ::c_int = 0;
2516 pub const FUTEX_WAKE: ::c_int = 1;
2517 pub const FUTEX_FD: ::c_int = 2;
2518 pub const FUTEX_REQUEUE: ::c_int = 3;
2519 pub const FUTEX_CMP_REQUEUE: ::c_int = 4;
2520 pub const FUTEX_WAKE_OP: ::c_int = 5;
2521 pub const FUTEX_LOCK_PI: ::c_int = 6;
2522 pub const FUTEX_UNLOCK_PI: ::c_int = 7;
2523 pub const FUTEX_TRYLOCK_PI: ::c_int = 8;
2524 pub const FUTEX_WAIT_BITSET: ::c_int = 9;
2525 pub const FUTEX_WAKE_BITSET: ::c_int = 10;
2526 pub const FUTEX_WAIT_REQUEUE_PI: ::c_int = 11;
2527 pub const FUTEX_CMP_REQUEUE_PI: ::c_int = 12;
2528 
2529 pub const FUTEX_PRIVATE_FLAG: ::c_int = 128;
2530 pub const FUTEX_CLOCK_REALTIME: ::c_int = 256;
2531 pub const FUTEX_CMD_MASK: ::c_int =
2532     !(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME);
2533 
2534 // linux/reboot.h
2535 pub const LINUX_REBOOT_MAGIC1: ::c_int = 0xfee1dead;
2536 pub const LINUX_REBOOT_MAGIC2: ::c_int = 672274793;
2537 pub const LINUX_REBOOT_MAGIC2A: ::c_int = 85072278;
2538 pub const LINUX_REBOOT_MAGIC2B: ::c_int = 369367448;
2539 pub const LINUX_REBOOT_MAGIC2C: ::c_int = 537993216;
2540 
2541 pub const LINUX_REBOOT_CMD_RESTART: ::c_int = 0x01234567;
2542 pub const LINUX_REBOOT_CMD_HALT: ::c_int = 0xCDEF0123;
2543 pub const LINUX_REBOOT_CMD_CAD_ON: ::c_int = 0x89ABCDEF;
2544 pub const LINUX_REBOOT_CMD_CAD_OFF: ::c_int = 0x00000000;
2545 pub const LINUX_REBOOT_CMD_POWER_OFF: ::c_int = 0x4321FEDC;
2546 pub const LINUX_REBOOT_CMD_RESTART2: ::c_int = 0xA1B2C3D4;
2547 pub const LINUX_REBOOT_CMD_SW_SUSPEND: ::c_int = 0xD000FCE2;
2548 pub const LINUX_REBOOT_CMD_KEXEC: ::c_int = 0x45584543;
2549 
2550 pub const REG_EXTENDED: ::c_int = 1;
2551 pub const REG_ICASE: ::c_int = 2;
2552 pub const REG_NEWLINE: ::c_int = 4;
2553 pub const REG_NOSUB: ::c_int = 8;
2554 
2555 pub const REG_NOTBOL: ::c_int = 1;
2556 pub const REG_NOTEOL: ::c_int = 2;
2557 
2558 pub const REG_ENOSYS: ::c_int = -1;
2559 pub const REG_NOMATCH: ::c_int = 1;
2560 pub const REG_BADPAT: ::c_int = 2;
2561 pub const REG_ECOLLATE: ::c_int = 3;
2562 pub const REG_ECTYPE: ::c_int = 4;
2563 pub const REG_EESCAPE: ::c_int = 5;
2564 pub const REG_ESUBREG: ::c_int = 6;
2565 pub const REG_EBRACK: ::c_int = 7;
2566 pub const REG_EPAREN: ::c_int = 8;
2567 pub const REG_EBRACE: ::c_int = 9;
2568 pub const REG_BADBR: ::c_int = 10;
2569 pub const REG_ERANGE: ::c_int = 11;
2570 pub const REG_ESPACE: ::c_int = 12;
2571 pub const REG_BADRPT: ::c_int = 13;
2572 
2573 // linux/errqueue.h
2574 pub const SO_EE_ORIGIN_NONE: u8 = 0;
2575 pub const SO_EE_ORIGIN_LOCAL: u8 = 1;
2576 pub const SO_EE_ORIGIN_ICMP: u8 = 2;
2577 pub const SO_EE_ORIGIN_ICMP6: u8 = 3;
2578 pub const SO_EE_ORIGIN_TXSTATUS: u8 = 4;
2579 pub const SO_EE_ORIGIN_TIMESTAMPING: u8 = SO_EE_ORIGIN_TXSTATUS;
2580 
2581 // errno.h
2582 pub const EPERM: ::c_int = 1;
2583 pub const ENOENT: ::c_int = 2;
2584 pub const ESRCH: ::c_int = 3;
2585 pub const EINTR: ::c_int = 4;
2586 pub const EIO: ::c_int = 5;
2587 pub const ENXIO: ::c_int = 6;
2588 pub const E2BIG: ::c_int = 7;
2589 pub const ENOEXEC: ::c_int = 8;
2590 pub const EBADF: ::c_int = 9;
2591 pub const ECHILD: ::c_int = 10;
2592 pub const EAGAIN: ::c_int = 11;
2593 pub const ENOMEM: ::c_int = 12;
2594 pub const EACCES: ::c_int = 13;
2595 pub const EFAULT: ::c_int = 14;
2596 pub const ENOTBLK: ::c_int = 15;
2597 pub const EBUSY: ::c_int = 16;
2598 pub const EEXIST: ::c_int = 17;
2599 pub const EXDEV: ::c_int = 18;
2600 pub const ENODEV: ::c_int = 19;
2601 pub const ENOTDIR: ::c_int = 20;
2602 pub const EISDIR: ::c_int = 21;
2603 pub const EINVAL: ::c_int = 22;
2604 pub const ENFILE: ::c_int = 23;
2605 pub const EMFILE: ::c_int = 24;
2606 pub const ENOTTY: ::c_int = 25;
2607 pub const ETXTBSY: ::c_int = 26;
2608 pub const EFBIG: ::c_int = 27;
2609 pub const ENOSPC: ::c_int = 28;
2610 pub const ESPIPE: ::c_int = 29;
2611 pub const EROFS: ::c_int = 30;
2612 pub const EMLINK: ::c_int = 31;
2613 pub const EPIPE: ::c_int = 32;
2614 pub const EDOM: ::c_int = 33;
2615 pub const ERANGE: ::c_int = 34;
2616 pub const EWOULDBLOCK: ::c_int = EAGAIN;
2617 
2618 // linux/can.h
2619 pub const CAN_EFF_FLAG: canid_t = 0x80000000;
2620 pub const CAN_RTR_FLAG: canid_t = 0x40000000;
2621 pub const CAN_ERR_FLAG: canid_t = 0x20000000;
2622 pub const CAN_SFF_MASK: canid_t = 0x000007FF;
2623 pub const CAN_EFF_MASK: canid_t = 0x1FFFFFFF;
2624 pub const CAN_ERR_MASK: canid_t = 0x1FFFFFFF;
2625 
2626 pub const CAN_SFF_ID_BITS: ::c_int = 11;
2627 pub const CAN_EFF_ID_BITS: ::c_int = 29;
2628 
2629 pub const CAN_MAX_DLC: ::c_int = 8;
2630 pub const CAN_MAX_DLEN: usize = 8;
2631 pub const CANFD_MAX_DLC: ::c_int = 15;
2632 pub const CANFD_MAX_DLEN: usize = 64;
2633 
2634 pub const CANFD_BRS: ::c_int = 0x01;
2635 pub const CANFD_ESI: ::c_int = 0x02;
2636 
2637 cfg_if! {
2638     if #[cfg(libc_align)] {
2639         pub const CAN_MTU: usize = ::mem::size_of::<can_frame>();
2640         pub const CANFD_MTU: usize = ::mem::size_of::<canfd_frame>();
2641     }
2642 }
2643 
2644 pub const CAN_RAW: ::c_int = 1;
2645 pub const CAN_BCM: ::c_int = 2;
2646 pub const CAN_TP16: ::c_int = 3;
2647 pub const CAN_TP20: ::c_int = 4;
2648 pub const CAN_MCNET: ::c_int = 5;
2649 pub const CAN_ISOTP: ::c_int = 6;
2650 pub const CAN_J1939: ::c_int = 7;
2651 pub const CAN_NPROTO: ::c_int = 8;
2652 
2653 pub const SOL_CAN_BASE: ::c_int = 100;
2654 
2655 pub const CAN_INV_FILTER: canid_t = 0x20000000;
2656 pub const CAN_RAW_FILTER_MAX: ::c_int = 512;
2657 
2658 f! {
2659     pub fn NLA_ALIGN(len: ::c_int) -> ::c_int {
2660         return ((len) + NLA_ALIGNTO - 1) & !(NLA_ALIGNTO - 1)
2661     }
2662 
2663     pub fn CMSG_NXTHDR(mhdr: *const msghdr,
2664                        cmsg: *const cmsghdr) -> *mut cmsghdr {
2665         if ((*cmsg).cmsg_len as usize) < ::mem::size_of::<cmsghdr>() {
2666             return 0 as *mut cmsghdr;
2667         };
2668         let next = (cmsg as usize +
2669                     super::CMSG_ALIGN((*cmsg).cmsg_len as usize))
2670             as *mut cmsghdr;
2671         let max = (*mhdr).msg_control as usize
2672             + (*mhdr).msg_controllen as usize;
2673         if (next.offset(1)) as usize > max ||
2674             next as usize + super::CMSG_ALIGN((*next).cmsg_len as usize) > max
2675         {
2676             0 as *mut cmsghdr
2677         } else {
2678             next as *mut cmsghdr
2679         }
2680     }
2681 
2682     pub fn CPU_ALLOC_SIZE(count: ::c_int) -> ::size_t {
2683         let _dummy: cpu_set_t = ::mem::zeroed();
2684         let size_in_bits = 8 * ::mem::size_of_val(&_dummy.bits[0]);
2685         ((count as ::size_t + size_in_bits - 1) / 8) as ::size_t
2686     }
2687 
2688     pub fn CPU_ZERO(cpuset: &mut cpu_set_t) -> () {
2689         for slot in cpuset.bits.iter_mut() {
2690             *slot = 0;
2691         }
2692     }
2693 
2694     pub fn CPU_SET(cpu: usize, cpuset: &mut cpu_set_t) -> () {
2695         let size_in_bits
2696             = 8 * ::mem::size_of_val(&cpuset.bits[0]); // 32, 64 etc
2697         let (idx, offset) = (cpu / size_in_bits, cpu % size_in_bits);
2698         cpuset.bits[idx] |= 1 << offset;
2699         ()
2700     }
2701 
2702     pub fn CPU_CLR(cpu: usize, cpuset: &mut cpu_set_t) -> () {
2703         let size_in_bits
2704             = 8 * ::mem::size_of_val(&cpuset.bits[0]); // 32, 64 etc
2705         let (idx, offset) = (cpu / size_in_bits, cpu % size_in_bits);
2706         cpuset.bits[idx] &= !(1 << offset);
2707         ()
2708     }
2709 
2710     pub fn CPU_ISSET(cpu: usize, cpuset: &cpu_set_t) -> bool {
2711         let size_in_bits = 8 * ::mem::size_of_val(&cpuset.bits[0]);
2712         let (idx, offset) = (cpu / size_in_bits, cpu % size_in_bits);
2713         0 != (cpuset.bits[idx] & (1 << offset))
2714     }
2715 
2716     pub fn CPU_COUNT_S(size: usize, cpuset: &cpu_set_t) -> ::c_int {
2717         let mut s: u32 = 0;
2718         let size_of_mask = ::mem::size_of_val(&cpuset.bits[0]);
2719         for i in cpuset.bits[..(size / size_of_mask)].iter() {
2720             s += i.count_ones();
2721         };
2722         s as ::c_int
2723     }
2724 
2725     pub fn CPU_COUNT(cpuset: &cpu_set_t) -> ::c_int {
2726         CPU_COUNT_S(::mem::size_of::<cpu_set_t>(), cpuset)
2727     }
2728 
2729     pub fn CPU_EQUAL(set1: &cpu_set_t, set2: &cpu_set_t) -> bool {
2730         set1.bits == set2.bits
2731     }
2732 
2733     pub fn major(dev: ::dev_t) -> ::c_uint {
2734         let mut major = 0;
2735         major |= (dev & 0x00000000000fff00) >> 8;
2736         major |= (dev & 0xfffff00000000000) >> 32;
2737         major as ::c_uint
2738     }
2739 
2740     pub fn minor(dev: ::dev_t) -> ::c_uint {
2741         let mut minor = 0;
2742         minor |= (dev & 0x00000000000000ff) >> 0;
2743         minor |= (dev & 0x00000ffffff00000) >> 12;
2744         minor as ::c_uint
2745     }
2746 
2747     pub fn makedev(major: ::c_uint, minor: ::c_uint) -> ::dev_t {
2748         let major = major as ::dev_t;
2749         let minor = minor as ::dev_t;
2750         let mut dev = 0;
2751         dev |= (major & 0x00000fff) << 8;
2752         dev |= (major & 0xfffff000) << 32;
2753         dev |= (minor & 0x000000ff) << 0;
2754         dev |= (minor & 0xffffff00) << 12;
2755         dev
2756     }
2757 
2758     pub fn IPTOS_TOS(tos: u8) -> u8 {
2759         tos & IPTOS_TOS_MASK
2760     }
2761 
2762     pub fn IPTOS_PREC(tos: u8) -> u8 {
2763         tos & IPTOS_PREC_MASK
2764     }
2765 
2766     pub fn RT_TOS(tos: u8) -> u8 {
2767         tos & ::IPTOS_TOS_MASK
2768     }
2769 
2770     pub fn RT_ADDRCLASS(flags: u32) -> u32 {
2771         flags >> 23
2772     }
2773 
2774     pub fn RT_LOCALADDR(flags: u32) -> bool {
2775         (flags & RTF_ADDRCLASSMASK) == (RTF_LOCAL | RTF_INTERFACE)
2776     }
2777 
2778     pub fn SO_EE_OFFENDER(ee: *const ::sock_extended_err) -> *mut ::sockaddr {
2779         ee.offset(1) as *mut ::sockaddr
2780     }
2781 }
2782 
2783 cfg_if! {
2784     if #[cfg(not(target_env = "uclibc"))] {
2785         extern "C" {
2786             pub fn aio_read(aiocbp: *mut aiocb) -> ::c_int;
2787             pub fn aio_write(aiocbp: *mut aiocb) -> ::c_int;
2788             pub fn aio_fsync(op: ::c_int, aiocbp: *mut aiocb) -> ::c_int;
2789             pub fn aio_error(aiocbp: *const aiocb) -> ::c_int;
2790             pub fn aio_return(aiocbp: *mut aiocb) -> ::ssize_t;
2791             pub fn aio_suspend(
2792                 aiocb_list: *const *const aiocb,
2793                 nitems: ::c_int,
2794                 timeout: *const ::timespec,
2795             ) -> ::c_int;
2796             pub fn aio_cancel(fd: ::c_int, aiocbp: *mut aiocb) -> ::c_int;
2797             pub fn lio_listio(
2798                 mode: ::c_int,
2799                 aiocb_list: *const *mut aiocb,
2800                 nitems: ::c_int,
2801                 sevp: *mut ::sigevent,
2802             ) -> ::c_int;
2803             pub fn pwritev(
2804                 fd: ::c_int,
2805                 iov: *const ::iovec,
2806                 iovcnt: ::c_int,
2807                 offset: ::off_t,
2808             ) -> ::ssize_t;
2809             pub fn preadv(
2810                 fd: ::c_int,
2811                 iov: *const ::iovec,
2812                 iovcnt: ::c_int,
2813                 offset: ::off_t,
2814             ) -> ::ssize_t;
2815             pub fn getnameinfo(
2816                 sa: *const ::sockaddr,
2817                 salen: ::socklen_t,
2818                 host: *mut ::c_char,
2819                 hostlen: ::socklen_t,
2820                 serv: *mut ::c_char,
2821                 sevlen: ::socklen_t,
2822                 flags: ::c_int,
2823             ) -> ::c_int;
2824             pub fn getloadavg(
2825                 loadavg: *mut ::c_double,
2826                 nelem: ::c_int
2827             ) -> ::c_int;
2828             pub fn process_vm_readv(
2829                 pid: ::pid_t,
2830                 local_iov: *const ::iovec,
2831                 liovcnt: ::c_ulong,
2832                 remote_iov: *const ::iovec,
2833                 riovcnt: ::c_ulong,
2834                 flags: ::c_ulong,
2835             ) -> isize;
2836             pub fn process_vm_writev(
2837                 pid: ::pid_t,
2838                 local_iov: *const ::iovec,
2839                 liovcnt: ::c_ulong,
2840                 remote_iov: *const ::iovec,
2841                 riovcnt: ::c_ulong,
2842                 flags: ::c_ulong,
2843             ) -> isize;
2844             pub fn futimes(
2845                 fd: ::c_int,
2846                 times: *const ::timeval
2847             ) -> ::c_int;
2848         }
2849     }
2850 }
2851 
2852 extern "C" {
2853     #[cfg_attr(not(target_env = "musl"), link_name = "__xpg_strerror_r")]
2854     pub fn strerror_r(
2855         errnum: ::c_int,
2856         buf: *mut c_char,
2857         buflen: ::size_t,
2858     ) -> ::c_int;
2859 
2860     pub fn abs(i: ::c_int) -> ::c_int;
2861     pub fn atof(s: *const ::c_char) -> ::c_double;
2862     pub fn labs(i: ::c_long) -> ::c_long;
2863     pub fn rand() -> ::c_int;
2864     pub fn srand(seed: ::c_uint);
2865 
2866     pub fn lutimes(file: *const ::c_char, times: *const ::timeval) -> ::c_int;
2867 
2868     pub fn setpwent();
2869     pub fn endpwent();
2870     pub fn getpwent() -> *mut passwd;
2871     pub fn setgrent();
2872     pub fn endgrent();
2873     pub fn getgrent() -> *mut ::group;
2874     pub fn setspent();
2875     pub fn endspent();
2876     pub fn getspent() -> *mut spwd;
2877 
2878     pub fn getspnam(name: *const ::c_char) -> *mut spwd;
2879     // Only `getspnam_r` is implemented for musl, out of all of the reenterant
2880     // functions from `shadow.h`.
2881     // https://git.musl-libc.org/cgit/musl/tree/include/shadow.h
2882     pub fn getspnam_r(
2883         name: *const ::c_char,
2884         spbuf: *mut spwd,
2885         buf: *mut ::c_char,
2886         buflen: ::size_t,
2887         spbufp: *mut *mut spwd,
2888     ) -> ::c_int;
2889 
2890     pub fn shm_open(
2891         name: *const c_char,
2892         oflag: ::c_int,
2893         mode: mode_t,
2894     ) -> ::c_int;
2895 
2896     // System V IPC
2897     pub fn shmget(key: ::key_t, size: ::size_t, shmflg: ::c_int) -> ::c_int;
2898     pub fn shmat(
2899         shmid: ::c_int,
2900         shmaddr: *const ::c_void,
2901         shmflg: ::c_int,
2902     ) -> *mut ::c_void;
2903     pub fn shmdt(shmaddr: *const ::c_void) -> ::c_int;
2904     pub fn shmctl(
2905         shmid: ::c_int,
2906         cmd: ::c_int,
2907         buf: *mut ::shmid_ds,
2908     ) -> ::c_int;
2909     pub fn ftok(pathname: *const ::c_char, proj_id: ::c_int) -> ::key_t;
2910     pub fn semget(key: ::key_t, nsems: ::c_int, semflag: ::c_int) -> ::c_int;
2911     pub fn semop(
2912         semid: ::c_int,
2913         sops: *mut ::sembuf,
2914         nsops: ::size_t,
2915     ) -> ::c_int;
2916     pub fn semctl(
2917         semid: ::c_int,
2918         semnum: ::c_int,
2919         cmd: ::c_int,
2920         ...
2921     ) -> ::c_int;
2922     pub fn msgctl(msqid: ::c_int, cmd: ::c_int, buf: *mut msqid_ds)
2923         -> ::c_int;
2924     pub fn msgget(key: ::key_t, msgflg: ::c_int) -> ::c_int;
2925     pub fn msgrcv(
2926         msqid: ::c_int,
2927         msgp: *mut ::c_void,
2928         msgsz: ::size_t,
2929         msgtyp: ::c_long,
2930         msgflg: ::c_int,
2931     ) -> ::ssize_t;
2932     pub fn msgsnd(
2933         msqid: ::c_int,
2934         msgp: *const ::c_void,
2935         msgsz: ::size_t,
2936         msgflg: ::c_int,
2937     ) -> ::c_int;
2938 
2939     pub fn mprotect(
2940         addr: *mut ::c_void,
2941         len: ::size_t,
2942         prot: ::c_int,
2943     ) -> ::c_int;
2944     pub fn __errno_location() -> *mut ::c_int;
2945 
2946     pub fn fopen64(
2947         filename: *const c_char,
2948         mode: *const c_char,
2949     ) -> *mut ::FILE;
2950     pub fn freopen64(
2951         filename: *const c_char,
2952         mode: *const c_char,
2953         file: *mut ::FILE,
2954     ) -> *mut ::FILE;
2955     pub fn tmpfile64() -> *mut ::FILE;
2956     pub fn fgetpos64(stream: *mut ::FILE, ptr: *mut fpos64_t) -> ::c_int;
2957     pub fn fsetpos64(stream: *mut ::FILE, ptr: *const fpos64_t) -> ::c_int;
2958     pub fn fseeko64(
2959         stream: *mut ::FILE,
2960         offset: ::off64_t,
2961         whence: ::c_int,
2962     ) -> ::c_int;
2963     pub fn ftello64(stream: *mut ::FILE) -> ::off64_t;
2964     pub fn fallocate(
2965         fd: ::c_int,
2966         mode: ::c_int,
2967         offset: ::off_t,
2968         len: ::off_t,
2969     ) -> ::c_int;
2970     pub fn fallocate64(
2971         fd: ::c_int,
2972         mode: ::c_int,
2973         offset: ::off64_t,
2974         len: ::off64_t,
2975     ) -> ::c_int;
2976     pub fn posix_fallocate(
2977         fd: ::c_int,
2978         offset: ::off_t,
2979         len: ::off_t,
2980     ) -> ::c_int;
2981     pub fn posix_fallocate64(
2982         fd: ::c_int,
2983         offset: ::off64_t,
2984         len: ::off64_t,
2985     ) -> ::c_int;
2986     pub fn readahead(
2987         fd: ::c_int,
2988         offset: ::off64_t,
2989         count: ::size_t,
2990     ) -> ::ssize_t;
2991     pub fn getxattr(
2992         path: *const c_char,
2993         name: *const c_char,
2994         value: *mut ::c_void,
2995         size: ::size_t,
2996     ) -> ::ssize_t;
2997     pub fn lgetxattr(
2998         path: *const c_char,
2999         name: *const c_char,
3000         value: *mut ::c_void,
3001         size: ::size_t,
3002     ) -> ::ssize_t;
3003     pub fn fgetxattr(
3004         filedes: ::c_int,
3005         name: *const c_char,
3006         value: *mut ::c_void,
3007         size: ::size_t,
3008     ) -> ::ssize_t;
3009     pub fn setxattr(
3010         path: *const c_char,
3011         name: *const c_char,
3012         value: *const ::c_void,
3013         size: ::size_t,
3014         flags: ::c_int,
3015     ) -> ::c_int;
3016     pub fn lsetxattr(
3017         path: *const c_char,
3018         name: *const c_char,
3019         value: *const ::c_void,
3020         size: ::size_t,
3021         flags: ::c_int,
3022     ) -> ::c_int;
3023     pub fn fsetxattr(
3024         filedes: ::c_int,
3025         name: *const c_char,
3026         value: *const ::c_void,
3027         size: ::size_t,
3028         flags: ::c_int,
3029     ) -> ::c_int;
3030     pub fn listxattr(
3031         path: *const c_char,
3032         list: *mut c_char,
3033         size: ::size_t,
3034     ) -> ::ssize_t;
3035     pub fn llistxattr(
3036         path: *const c_char,
3037         list: *mut c_char,
3038         size: ::size_t,
3039     ) -> ::ssize_t;
3040     pub fn flistxattr(
3041         filedes: ::c_int,
3042         list: *mut c_char,
3043         size: ::size_t,
3044     ) -> ::ssize_t;
3045     pub fn removexattr(path: *const c_char, name: *const c_char) -> ::c_int;
3046     pub fn lremovexattr(path: *const c_char, name: *const c_char) -> ::c_int;
3047     pub fn fremovexattr(filedes: ::c_int, name: *const c_char) -> ::c_int;
3048     pub fn signalfd(
3049         fd: ::c_int,
3050         mask: *const ::sigset_t,
3051         flags: ::c_int,
3052     ) -> ::c_int;
3053     pub fn timerfd_create(clockid: ::c_int, flags: ::c_int) -> ::c_int;
3054     pub fn timerfd_gettime(
3055         fd: ::c_int,
3056         curr_value: *mut itimerspec,
3057     ) -> ::c_int;
3058     pub fn timerfd_settime(
3059         fd: ::c_int,
3060         flags: ::c_int,
3061         new_value: *const itimerspec,
3062         old_value: *mut itimerspec,
3063     ) -> ::c_int;
3064     pub fn quotactl(
3065         cmd: ::c_int,
3066         special: *const ::c_char,
3067         id: ::c_int,
3068         data: *mut ::c_char,
3069     ) -> ::c_int;
3070     pub fn mq_open(name: *const ::c_char, oflag: ::c_int, ...) -> ::mqd_t;
3071     pub fn mq_close(mqd: ::mqd_t) -> ::c_int;
3072     pub fn mq_unlink(name: *const ::c_char) -> ::c_int;
3073     pub fn mq_receive(
3074         mqd: ::mqd_t,
3075         msg_ptr: *mut ::c_char,
3076         msg_len: ::size_t,
3077         msg_prio: *mut ::c_uint,
3078     ) -> ::ssize_t;
3079     pub fn mq_timedreceive(
3080         mqd: ::mqd_t,
3081         msg_ptr: *mut ::c_char,
3082         msg_len: ::size_t,
3083         msg_prio: *mut ::c_uint,
3084         abs_timeout: *const ::timespec,
3085     ) -> ::ssize_t;
3086     pub fn mq_send(
3087         mqd: ::mqd_t,
3088         msg_ptr: *const ::c_char,
3089         msg_len: ::size_t,
3090         msg_prio: ::c_uint,
3091     ) -> ::c_int;
3092     pub fn mq_timedsend(
3093         mqd: ::mqd_t,
3094         msg_ptr: *const ::c_char,
3095         msg_len: ::size_t,
3096         msg_prio: ::c_uint,
3097         abs_timeout: *const ::timespec,
3098     ) -> ::c_int;
3099     pub fn mq_getattr(mqd: ::mqd_t, attr: *mut ::mq_attr) -> ::c_int;
3100     pub fn mq_setattr(
3101         mqd: ::mqd_t,
3102         newattr: *const ::mq_attr,
3103         oldattr: *mut ::mq_attr,
3104     ) -> ::c_int;
3105     pub fn epoll_pwait(
3106         epfd: ::c_int,
3107         events: *mut ::epoll_event,
3108         maxevents: ::c_int,
3109         timeout: ::c_int,
3110         sigmask: *const ::sigset_t,
3111     ) -> ::c_int;
3112     pub fn dup3(oldfd: ::c_int, newfd: ::c_int, flags: ::c_int) -> ::c_int;
3113     pub fn mkostemp(template: *mut ::c_char, flags: ::c_int) -> ::c_int;
3114     pub fn mkostemps(
3115         template: *mut ::c_char,
3116         suffixlen: ::c_int,
3117         flags: ::c_int,
3118     ) -> ::c_int;
3119     pub fn sigtimedwait(
3120         set: *const sigset_t,
3121         info: *mut siginfo_t,
3122         timeout: *const ::timespec,
3123     ) -> ::c_int;
3124     pub fn sigwaitinfo(set: *const sigset_t, info: *mut siginfo_t) -> ::c_int;
3125     pub fn nl_langinfo_l(item: ::nl_item, locale: ::locale_t)
3126         -> *mut ::c_char;
3127     pub fn accept4(
3128         fd: ::c_int,
3129         addr: *mut ::sockaddr,
3130         len: *mut ::socklen_t,
3131         flg: ::c_int,
3132     ) -> ::c_int;
3133     pub fn pthread_setschedprio(
3134         native: ::pthread_t,
3135         priority: ::c_int,
3136     ) -> ::c_int;
3137     pub fn reboot(how_to: ::c_int) -> ::c_int;
3138     pub fn setfsgid(gid: ::gid_t) -> ::c_int;
3139     pub fn setfsuid(uid: ::uid_t) -> ::c_int;
3140 
3141     // Not available now on Android
3142     pub fn mkfifoat(
3143         dirfd: ::c_int,
3144         pathname: *const ::c_char,
3145         mode: ::mode_t,
3146     ) -> ::c_int;
3147     pub fn if_nameindex() -> *mut if_nameindex;
3148     pub fn if_freenameindex(ptr: *mut if_nameindex);
3149     pub fn sync_file_range(
3150         fd: ::c_int,
3151         offset: ::off64_t,
3152         nbytes: ::off64_t,
3153         flags: ::c_uint,
3154     ) -> ::c_int;
3155     pub fn mremap(
3156         addr: *mut ::c_void,
3157         len: ::size_t,
3158         new_len: ::size_t,
3159         flags: ::c_int,
3160         ...
3161     ) -> *mut ::c_void;
3162 
3163     pub fn glob(
3164         pattern: *const c_char,
3165         flags: ::c_int,
3166         errfunc: ::Option<
3167             extern "C" fn(epath: *const c_char, errno: ::c_int) -> ::c_int,
3168         >,
3169         pglob: *mut ::glob_t,
3170     ) -> ::c_int;
3171     pub fn globfree(pglob: *mut ::glob_t);
3172 
3173     pub fn posix_madvise(
3174         addr: *mut ::c_void,
3175         len: ::size_t,
3176         advice: ::c_int,
3177     ) -> ::c_int;
3178 
3179     pub fn shm_unlink(name: *const ::c_char) -> ::c_int;
3180 
3181     pub fn seekdir(dirp: *mut ::DIR, loc: ::c_long);
3182 
3183     pub fn telldir(dirp: *mut ::DIR) -> ::c_long;
3184     pub fn madvise(
3185         addr: *mut ::c_void,
3186         len: ::size_t,
3187         advice: ::c_int,
3188     ) -> ::c_int;
3189 
3190     pub fn msync(
3191         addr: *mut ::c_void,
3192         len: ::size_t,
3193         flags: ::c_int,
3194     ) -> ::c_int;
3195     pub fn remap_file_pages(
3196         addr: *mut ::c_void,
3197         size: ::size_t,
3198         prot: ::c_int,
3199         pgoff: ::size_t,
3200         flags: ::c_int,
3201     ) -> ::c_int;
3202     pub fn recvfrom(
3203         socket: ::c_int,
3204         buf: *mut ::c_void,
3205         len: ::size_t,
3206         flags: ::c_int,
3207         addr: *mut ::sockaddr,
3208         addrlen: *mut ::socklen_t,
3209     ) -> ::ssize_t;
3210     pub fn mkstemps(template: *mut ::c_char, suffixlen: ::c_int) -> ::c_int;
3211 
3212     pub fn nl_langinfo(item: ::nl_item) -> *mut ::c_char;
3213 
3214     pub fn getdomainname(name: *mut ::c_char, len: ::size_t) -> ::c_int;
3215     pub fn setdomainname(name: *const ::c_char, len: ::size_t) -> ::c_int;
3216     pub fn vhangup() -> ::c_int;
3217     pub fn sync();
3218     pub fn syscall(num: ::c_long, ...) -> ::c_long;
3219     pub fn sched_getaffinity(
3220         pid: ::pid_t,
3221         cpusetsize: ::size_t,
3222         cpuset: *mut cpu_set_t,
3223     ) -> ::c_int;
3224     pub fn sched_setaffinity(
3225         pid: ::pid_t,
3226         cpusetsize: ::size_t,
3227         cpuset: *const cpu_set_t,
3228     ) -> ::c_int;
3229     pub fn epoll_create(size: ::c_int) -> ::c_int;
3230     pub fn epoll_create1(flags: ::c_int) -> ::c_int;
3231     pub fn epoll_wait(
3232         epfd: ::c_int,
3233         events: *mut ::epoll_event,
3234         maxevents: ::c_int,
3235         timeout: ::c_int,
3236     ) -> ::c_int;
3237     pub fn epoll_ctl(
3238         epfd: ::c_int,
3239         op: ::c_int,
3240         fd: ::c_int,
3241         event: *mut ::epoll_event,
3242     ) -> ::c_int;
3243     pub fn pthread_getschedparam(
3244         native: ::pthread_t,
3245         policy: *mut ::c_int,
3246         param: *mut ::sched_param,
3247     ) -> ::c_int;
3248     pub fn unshare(flags: ::c_int) -> ::c_int;
3249     pub fn umount(target: *const ::c_char) -> ::c_int;
3250     pub fn sched_get_priority_max(policy: ::c_int) -> ::c_int;
3251     pub fn tee(
3252         fd_in: ::c_int,
3253         fd_out: ::c_int,
3254         len: ::size_t,
3255         flags: ::c_uint,
3256     ) -> ::ssize_t;
3257     pub fn settimeofday(
3258         tv: *const ::timeval,
3259         tz: *const ::timezone,
3260     ) -> ::c_int;
3261     pub fn splice(
3262         fd_in: ::c_int,
3263         off_in: *mut ::loff_t,
3264         fd_out: ::c_int,
3265         off_out: *mut ::loff_t,
3266         len: ::size_t,
3267         flags: ::c_uint,
3268     ) -> ::ssize_t;
3269     pub fn eventfd(init: ::c_uint, flags: ::c_int) -> ::c_int;
3270     pub fn sched_rr_get_interval(pid: ::pid_t, tp: *mut ::timespec)
3271         -> ::c_int;
3272     pub fn sem_timedwait(
3273         sem: *mut sem_t,
3274         abstime: *const ::timespec,
3275     ) -> ::c_int;
3276     pub fn sem_getvalue(sem: *mut sem_t, sval: *mut ::c_int) -> ::c_int;
3277     pub fn sched_setparam(
3278         pid: ::pid_t,
3279         param: *const ::sched_param,
3280     ) -> ::c_int;
3281     pub fn setns(fd: ::c_int, nstype: ::c_int) -> ::c_int;
3282     pub fn swapoff(puath: *const ::c_char) -> ::c_int;
3283     pub fn vmsplice(
3284         fd: ::c_int,
3285         iov: *const ::iovec,
3286         nr_segs: ::size_t,
3287         flags: ::c_uint,
3288     ) -> ::ssize_t;
3289     pub fn mount(
3290         src: *const ::c_char,
3291         target: *const ::c_char,
3292         fstype: *const ::c_char,
3293         flags: ::c_ulong,
3294         data: *const ::c_void,
3295     ) -> ::c_int;
3296     pub fn personality(persona: ::c_ulong) -> ::c_int;
3297     pub fn prctl(option: ::c_int, ...) -> ::c_int;
3298     pub fn sched_getparam(pid: ::pid_t, param: *mut ::sched_param) -> ::c_int;
3299     pub fn ppoll(
3300         fds: *mut ::pollfd,
3301         nfds: nfds_t,
3302         timeout: *const ::timespec,
3303         sigmask: *const sigset_t,
3304     ) -> ::c_int;
3305     pub fn pthread_mutex_timedlock(
3306         lock: *mut pthread_mutex_t,
3307         abstime: *const ::timespec,
3308     ) -> ::c_int;
3309     pub fn clone(
3310         cb: extern "C" fn(*mut ::c_void) -> ::c_int,
3311         child_stack: *mut ::c_void,
3312         flags: ::c_int,
3313         arg: *mut ::c_void,
3314         ...
3315     ) -> ::c_int;
3316     pub fn sched_getscheduler(pid: ::pid_t) -> ::c_int;
3317     pub fn clock_nanosleep(
3318         clk_id: ::clockid_t,
3319         flags: ::c_int,
3320         rqtp: *const ::timespec,
3321         rmtp: *mut ::timespec,
3322     ) -> ::c_int;
3323     pub fn pthread_attr_getguardsize(
3324         attr: *const ::pthread_attr_t,
3325         guardsize: *mut ::size_t,
3326     ) -> ::c_int;
3327     pub fn sethostname(name: *const ::c_char, len: ::size_t) -> ::c_int;
3328     pub fn sched_get_priority_min(policy: ::c_int) -> ::c_int;
3329     pub fn pthread_condattr_getpshared(
3330         attr: *const pthread_condattr_t,
3331         pshared: *mut ::c_int,
3332     ) -> ::c_int;
3333     pub fn sysinfo(info: *mut ::sysinfo) -> ::c_int;
3334     pub fn umount2(target: *const ::c_char, flags: ::c_int) -> ::c_int;
3335     pub fn pthread_setschedparam(
3336         native: ::pthread_t,
3337         policy: ::c_int,
3338         param: *const ::sched_param,
3339     ) -> ::c_int;
3340     pub fn swapon(path: *const ::c_char, swapflags: ::c_int) -> ::c_int;
3341     pub fn sched_setscheduler(
3342         pid: ::pid_t,
3343         policy: ::c_int,
3344         param: *const ::sched_param,
3345     ) -> ::c_int;
3346     pub fn sendfile(
3347         out_fd: ::c_int,
3348         in_fd: ::c_int,
3349         offset: *mut off_t,
3350         count: ::size_t,
3351     ) -> ::ssize_t;
3352     pub fn sendfile64(
3353         out_fd: ::c_int,
3354         in_fd: ::c_int,
3355         offset: *mut off64_t,
3356         count: ::size_t,
3357     ) -> ::ssize_t;
3358     pub fn sigsuspend(mask: *const ::sigset_t) -> ::c_int;
3359     pub fn getgrgid_r(
3360         gid: ::gid_t,
3361         grp: *mut ::group,
3362         buf: *mut ::c_char,
3363         buflen: ::size_t,
3364         result: *mut *mut ::group,
3365     ) -> ::c_int;
3366     pub fn sigaltstack(ss: *const stack_t, oss: *mut stack_t) -> ::c_int;
3367     pub fn sem_close(sem: *mut sem_t) -> ::c_int;
3368     pub fn getdtablesize() -> ::c_int;
3369     pub fn getgrnam_r(
3370         name: *const ::c_char,
3371         grp: *mut ::group,
3372         buf: *mut ::c_char,
3373         buflen: ::size_t,
3374         result: *mut *mut ::group,
3375     ) -> ::c_int;
3376     pub fn initgroups(user: *const ::c_char, group: ::gid_t) -> ::c_int;
3377     pub fn pthread_sigmask(
3378         how: ::c_int,
3379         set: *const sigset_t,
3380         oldset: *mut sigset_t,
3381     ) -> ::c_int;
3382     pub fn sem_open(name: *const ::c_char, oflag: ::c_int, ...) -> *mut sem_t;
3383     pub fn getgrnam(name: *const ::c_char) -> *mut ::group;
3384     pub fn pthread_cancel(thread: ::pthread_t) -> ::c_int;
3385     pub fn pthread_kill(thread: ::pthread_t, sig: ::c_int) -> ::c_int;
3386     pub fn sem_unlink(name: *const ::c_char) -> ::c_int;
3387     pub fn daemon(nochdir: ::c_int, noclose: ::c_int) -> ::c_int;
3388     pub fn getpwnam_r(
3389         name: *const ::c_char,
3390         pwd: *mut passwd,
3391         buf: *mut ::c_char,
3392         buflen: ::size_t,
3393         result: *mut *mut passwd,
3394     ) -> ::c_int;
3395     pub fn getpwuid_r(
3396         uid: ::uid_t,
3397         pwd: *mut passwd,
3398         buf: *mut ::c_char,
3399         buflen: ::size_t,
3400         result: *mut *mut passwd,
3401     ) -> ::c_int;
3402     pub fn sigwait(set: *const sigset_t, sig: *mut ::c_int) -> ::c_int;
3403     pub fn pthread_atfork(
3404         prepare: ::Option<unsafe extern "C" fn()>,
3405         parent: ::Option<unsafe extern "C" fn()>,
3406         child: ::Option<unsafe extern "C" fn()>,
3407     ) -> ::c_int;
3408     pub fn getgrgid(gid: ::gid_t) -> *mut ::group;
3409     pub fn getgrouplist(
3410         user: *const ::c_char,
3411         group: ::gid_t,
3412         groups: *mut ::gid_t,
3413         ngroups: *mut ::c_int,
3414     ) -> ::c_int;
3415     pub fn pthread_mutexattr_getpshared(
3416         attr: *const pthread_mutexattr_t,
3417         pshared: *mut ::c_int,
3418     ) -> ::c_int;
3419     pub fn popen(command: *const c_char, mode: *const c_char) -> *mut ::FILE;
3420     pub fn faccessat(
3421         dirfd: ::c_int,
3422         pathname: *const ::c_char,
3423         mode: ::c_int,
3424         flags: ::c_int,
3425     ) -> ::c_int;
3426     pub fn pthread_create(
3427         native: *mut ::pthread_t,
3428         attr: *const ::pthread_attr_t,
3429         f: extern "C" fn(*mut ::c_void) -> *mut ::c_void,
3430         value: *mut ::c_void,
3431     ) -> ::c_int;
3432     pub fn dl_iterate_phdr(
3433         callback: ::Option<
3434             unsafe extern "C" fn(
3435                 info: *mut ::dl_phdr_info,
3436                 size: ::size_t,
3437                 data: *mut ::c_void,
3438             ) -> ::c_int,
3439         >,
3440         data: *mut ::c_void,
3441     ) -> ::c_int;
3442 
3443     pub fn setmntent(
3444         filename: *const ::c_char,
3445         ty: *const ::c_char,
3446     ) -> *mut ::FILE;
3447     pub fn getmntent(stream: *mut ::FILE) -> *mut ::mntent;
3448     pub fn addmntent(stream: *mut ::FILE, mnt: *const ::mntent) -> ::c_int;
3449     pub fn endmntent(streamp: *mut ::FILE) -> ::c_int;
3450     pub fn hasmntopt(
3451         mnt: *const ::mntent,
3452         opt: *const ::c_char,
3453     ) -> *mut ::c_char;
3454 
3455     pub fn posix_spawn(
3456         pid: *mut ::pid_t,
3457         path: *const ::c_char,
3458         file_actions: *const ::posix_spawn_file_actions_t,
3459         attrp: *const ::posix_spawnattr_t,
3460         argv: *const *mut ::c_char,
3461         envp: *const *mut ::c_char,
3462     ) -> ::c_int;
3463     pub fn posix_spawnp(
3464         pid: *mut ::pid_t,
3465         file: *const ::c_char,
3466         file_actions: *const ::posix_spawn_file_actions_t,
3467         attrp: *const ::posix_spawnattr_t,
3468         argv: *const *mut ::c_char,
3469         envp: *const *mut ::c_char,
3470     ) -> ::c_int;
3471     pub fn posix_spawnattr_init(attr: *mut posix_spawnattr_t) -> ::c_int;
3472     pub fn posix_spawnattr_destroy(attr: *mut posix_spawnattr_t) -> ::c_int;
3473     pub fn posix_spawnattr_getsigdefault(
3474         attr: *const posix_spawnattr_t,
3475         default: *mut ::sigset_t,
3476     ) -> ::c_int;
3477     pub fn posix_spawnattr_setsigdefault(
3478         attr: *mut posix_spawnattr_t,
3479         default: *const ::sigset_t,
3480     ) -> ::c_int;
3481     pub fn posix_spawnattr_getsigmask(
3482         attr: *const posix_spawnattr_t,
3483         default: *mut ::sigset_t,
3484     ) -> ::c_int;
3485     pub fn posix_spawnattr_setsigmask(
3486         attr: *mut posix_spawnattr_t,
3487         default: *const ::sigset_t,
3488     ) -> ::c_int;
3489     pub fn posix_spawnattr_getflags(
3490         attr: *const posix_spawnattr_t,
3491         flags: *mut ::c_short,
3492     ) -> ::c_int;
3493     pub fn posix_spawnattr_setflags(
3494         attr: *mut posix_spawnattr_t,
3495         flags: ::c_short,
3496     ) -> ::c_int;
3497     pub fn posix_spawnattr_getpgroup(
3498         attr: *const posix_spawnattr_t,
3499         flags: *mut ::pid_t,
3500     ) -> ::c_int;
3501     pub fn posix_spawnattr_setpgroup(
3502         attr: *mut posix_spawnattr_t,
3503         flags: ::pid_t,
3504     ) -> ::c_int;
3505     pub fn posix_spawnattr_getschedpolicy(
3506         attr: *const posix_spawnattr_t,
3507         flags: *mut ::c_int,
3508     ) -> ::c_int;
3509     pub fn posix_spawnattr_setschedpolicy(
3510         attr: *mut posix_spawnattr_t,
3511         flags: ::c_int,
3512     ) -> ::c_int;
3513     pub fn posix_spawnattr_getschedparam(
3514         attr: *const posix_spawnattr_t,
3515         param: *mut ::sched_param,
3516     ) -> ::c_int;
3517     pub fn posix_spawnattr_setschedparam(
3518         attr: *mut posix_spawnattr_t,
3519         param: *const ::sched_param,
3520     ) -> ::c_int;
3521 
3522     pub fn posix_spawn_file_actions_init(
3523         actions: *mut posix_spawn_file_actions_t,
3524     ) -> ::c_int;
3525     pub fn posix_spawn_file_actions_destroy(
3526         actions: *mut posix_spawn_file_actions_t,
3527     ) -> ::c_int;
3528     pub fn posix_spawn_file_actions_addopen(
3529         actions: *mut posix_spawn_file_actions_t,
3530         fd: ::c_int,
3531         path: *const ::c_char,
3532         oflag: ::c_int,
3533         mode: ::mode_t,
3534     ) -> ::c_int;
3535     pub fn posix_spawn_file_actions_addclose(
3536         actions: *mut posix_spawn_file_actions_t,
3537         fd: ::c_int,
3538     ) -> ::c_int;
3539     pub fn posix_spawn_file_actions_adddup2(
3540         actions: *mut posix_spawn_file_actions_t,
3541         fd: ::c_int,
3542         newfd: ::c_int,
3543     ) -> ::c_int;
3544     pub fn fread_unlocked(
3545         ptr: *mut ::c_void,
3546         size: ::size_t,
3547         nobj: ::size_t,
3548         stream: *mut ::FILE,
3549     ) -> ::size_t;
3550     pub fn inotify_rm_watch(fd: ::c_int, wd: ::c_int) -> ::c_int;
3551     pub fn inotify_init() -> ::c_int;
3552     pub fn inotify_init1(flags: ::c_int) -> ::c_int;
3553     pub fn inotify_add_watch(
3554         fd: ::c_int,
3555         path: *const ::c_char,
3556         mask: u32,
3557     ) -> ::c_int;
3558     pub fn fanotify_init(flags: ::c_uint, event_f_flags: ::c_uint) -> ::c_int;
3559 
3560     pub fn regcomp(
3561         preg: *mut ::regex_t,
3562         pattern: *const ::c_char,
3563         cflags: ::c_int,
3564     ) -> ::c_int;
3565 
3566     pub fn regexec(
3567         preg: *const ::regex_t,
3568         input: *const ::c_char,
3569         nmatch: ::size_t,
3570         pmatch: *mut regmatch_t,
3571         eflags: ::c_int,
3572     ) -> ::c_int;
3573 
3574     pub fn regerror(
3575         errcode: ::c_int,
3576         preg: *const ::regex_t,
3577         errbuf: *mut ::c_char,
3578         errbuf_size: ::size_t,
3579     ) -> ::size_t;
3580 
3581     pub fn regfree(preg: *mut ::regex_t);
3582 
3583     pub fn iconv_open(
3584         tocode: *const ::c_char,
3585         fromcode: *const ::c_char,
3586     ) -> iconv_t;
3587     pub fn iconv(
3588         cd: iconv_t,
3589         inbuf: *mut *mut ::c_char,
3590         inbytesleft: *mut ::size_t,
3591         outbuf: *mut *mut ::c_char,
3592         outbytesleft: *mut ::size_t,
3593     ) -> ::size_t;
3594     pub fn iconv_close(cd: iconv_t) -> ::c_int;
3595 }
3596 
3597 cfg_if! {
3598     if #[cfg(target_env = "uclibc")] {
3599         mod uclibc;
3600         pub use self::uclibc::*;
3601     } else if #[cfg(target_env = "musl")] {
3602         mod musl;
3603         pub use self::musl::*;
3604     } else if #[cfg(target_env = "gnu")] {
3605         mod gnu;
3606         pub use self::gnu::*;
3607     }
3608 }
3609 
3610 cfg_if! {
3611     if #[cfg(libc_align)] {
3612         #[macro_use]
3613         mod align;
3614     } else {
3615         #[macro_use]
3616         mod no_align;
3617     }
3618 }
3619 expand_align!();
3620