1 pub type pthread_t = c_ulong;
2 pub type __priority_which_t = ::c_uint;
3 pub type __rlimit_resource_t = ::c_uint;
4 pub type Lmid_t = ::c_long;
5 pub type regoff_t = ::c_int;
6 pub type __kernel_rwf_t = ::c_int;
7 
8 cfg_if! {
9     if #[cfg(doc)] {
10         // Used in `linux::arch` to define ioctl constants.
11         pub(crate) type Ioctl = ::c_ulong;
12     } else {
13         #[doc(hidden)]
14         pub type Ioctl = ::c_ulong;
15     }
16 }
17 
18 s! {
19     pub struct statx {
20         pub stx_mask: u32,
21         pub stx_blksize: u32,
22         pub stx_attributes: u64,
23         pub stx_nlink: u32,
24         pub stx_uid: u32,
25         pub stx_gid: u32,
26         pub stx_mode: u16,
27         __statx_pad1: [u16; 1],
28         pub stx_ino: u64,
29         pub stx_size: u64,
30         pub stx_blocks: u64,
31         pub stx_attributes_mask: u64,
32         pub stx_atime: ::statx_timestamp,
33         pub stx_btime: ::statx_timestamp,
34         pub stx_ctime: ::statx_timestamp,
35         pub stx_mtime: ::statx_timestamp,
36         pub stx_rdev_major: u32,
37         pub stx_rdev_minor: u32,
38         pub stx_dev_major: u32,
39         pub stx_dev_minor: u32,
40         pub stx_mnt_id: u64,
41         pub stx_dio_mem_align: u32,
42         pub stx_dio_offset_align: u32,
43         __statx_pad3: [u64; 12],
44     }
45 
46     pub struct statx_timestamp {
47         pub tv_sec: i64,
48         pub tv_nsec: u32,
49         pub __statx_timestamp_pad1: [i32; 1],
50     }
51 
52     pub struct aiocb {
53         pub aio_fildes: ::c_int,
54         pub aio_lio_opcode: ::c_int,
55         pub aio_reqprio: ::c_int,
56         pub aio_buf: *mut ::c_void,
57         pub aio_nbytes: ::size_t,
58         pub aio_sigevent: ::sigevent,
59         __next_prio: *mut aiocb,
60         __abs_prio: ::c_int,
61         __policy: ::c_int,
62         __error_code: ::c_int,
63         __return_value: ::ssize_t,
64         pub aio_offset: off_t,
65         #[cfg(all(not(target_arch = "x86_64"), target_pointer_width = "32"))]
66         __unused1: [::c_char; 4],
67         __glibc_reserved: [::c_char; 32],
68     }
69 
70     pub struct __exit_status {
71         pub e_termination: ::c_short,
72         pub e_exit: ::c_short,
73     }
74 
75     pub struct __timeval {
76         pub tv_sec: i32,
77         pub tv_usec: i32,
78     }
79 
80     pub struct glob64_t {
81         pub gl_pathc: ::size_t,
82         pub gl_pathv: *mut *mut ::c_char,
83         pub gl_offs: ::size_t,
84         pub gl_flags: ::c_int,
85 
86         __unused1: *mut ::c_void,
87         __unused2: *mut ::c_void,
88         __unused3: *mut ::c_void,
89         __unused4: *mut ::c_void,
90         __unused5: *mut ::c_void,
91     }
92 
93     pub struct msghdr {
94         pub msg_name: *mut ::c_void,
95         pub msg_namelen: ::socklen_t,
96         pub msg_iov: *mut ::iovec,
97         pub msg_iovlen: ::size_t,
98         pub msg_control: *mut ::c_void,
99         pub msg_controllen: ::size_t,
100         pub msg_flags: ::c_int,
101     }
102 
103     pub struct cmsghdr {
104         pub cmsg_len: ::size_t,
105         pub cmsg_level: ::c_int,
106         pub cmsg_type: ::c_int,
107     }
108 
109     pub struct termios {
110         pub c_iflag: ::tcflag_t,
111         pub c_oflag: ::tcflag_t,
112         pub c_cflag: ::tcflag_t,
113         pub c_lflag: ::tcflag_t,
114         pub c_line: ::cc_t,
115         pub c_cc: [::cc_t; ::NCCS],
116         #[cfg(not(any(
117             target_arch = "sparc",
118             target_arch = "sparc64",
119             target_arch = "mips",
120             target_arch = "mips32r6",
121             target_arch = "mips64",
122             target_arch = "mips64r6"
123         )))]
124         pub c_ispeed: ::speed_t,
125         #[cfg(not(any(
126             target_arch = "sparc",
127             target_arch = "sparc64",
128             target_arch = "mips",
129             target_arch = "mips32r6",
130             target_arch = "mips64",
131             target_arch = "mips64r6"
132         )))]
133         pub c_ospeed: ::speed_t,
134     }
135 
136     pub struct mallinfo {
137         pub arena: ::c_int,
138         pub ordblks: ::c_int,
139         pub smblks: ::c_int,
140         pub hblks: ::c_int,
141         pub hblkhd: ::c_int,
142         pub usmblks: ::c_int,
143         pub fsmblks: ::c_int,
144         pub uordblks: ::c_int,
145         pub fordblks: ::c_int,
146         pub keepcost: ::c_int,
147     }
148 
149     pub struct mallinfo2 {
150         pub arena: ::size_t,
151         pub ordblks: ::size_t,
152         pub smblks: ::size_t,
153         pub hblks: ::size_t,
154         pub hblkhd: ::size_t,
155         pub usmblks: ::size_t,
156         pub fsmblks: ::size_t,
157         pub uordblks: ::size_t,
158         pub fordblks: ::size_t,
159         pub keepcost: ::size_t,
160     }
161 
162     pub struct nl_pktinfo {
163         pub group: u32,
164     }
165 
166     pub struct nl_mmap_req {
167         pub nm_block_size: ::c_uint,
168         pub nm_block_nr: ::c_uint,
169         pub nm_frame_size: ::c_uint,
170         pub nm_frame_nr: ::c_uint,
171     }
172 
173     pub struct nl_mmap_hdr {
174         pub nm_status: ::c_uint,
175         pub nm_len: ::c_uint,
176         pub nm_group: u32,
177         pub nm_pid: u32,
178         pub nm_uid: u32,
179         pub nm_gid: u32,
180     }
181 
182     pub struct rtentry {
183         pub rt_pad1: ::c_ulong,
184         pub rt_dst: ::sockaddr,
185         pub rt_gateway: ::sockaddr,
186         pub rt_genmask: ::sockaddr,
187         pub rt_flags: ::c_ushort,
188         pub rt_pad2: ::c_short,
189         pub rt_pad3: ::c_ulong,
190         pub rt_tos: ::c_uchar,
191         pub rt_class: ::c_uchar,
192         #[cfg(target_pointer_width = "64")]
193         pub rt_pad4: [::c_short; 3usize],
194         #[cfg(not(target_pointer_width = "64"))]
195         pub rt_pad4: ::c_short,
196         pub rt_metric: ::c_short,
197         pub rt_dev: *mut ::c_char,
198         pub rt_mtu: ::c_ulong,
199         pub rt_window: ::c_ulong,
200         pub rt_irtt: ::c_ushort,
201     }
202 
203     pub struct timex {
204         pub modes: ::c_uint,
205         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
206         pub offset: i64,
207         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
208         pub offset: ::c_long,
209         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
210         pub freq: i64,
211         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
212         pub freq: ::c_long,
213         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
214         pub maxerror: i64,
215         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
216         pub maxerror: ::c_long,
217         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
218         pub esterror: i64,
219         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
220         pub esterror: ::c_long,
221         pub status: ::c_int,
222         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
223         pub constant: i64,
224         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
225         pub constant: ::c_long,
226         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
227         pub precision: i64,
228         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
229         pub precision: ::c_long,
230         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
231         pub tolerance: i64,
232         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
233         pub tolerance: ::c_long,
234         pub time: ::timeval,
235         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
236         pub tick: i64,
237         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
238         pub tick: ::c_long,
239         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
240         pub ppsfreq: i64,
241         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
242         pub ppsfreq: ::c_long,
243         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
244         pub jitter: i64,
245         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
246         pub jitter: ::c_long,
247         pub shift: ::c_int,
248         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
249         pub stabil: i64,
250         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
251         pub stabil: ::c_long,
252         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
253         pub jitcnt: i64,
254         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
255         pub jitcnt: ::c_long,
256         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
257         pub calcnt: i64,
258         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
259         pub calcnt: ::c_long,
260         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
261         pub errcnt: i64,
262         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
263         pub errcnt: ::c_long,
264         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
265         pub stbcnt: i64,
266         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
267         pub stbcnt: ::c_long,
268         pub tai: ::c_int,
269         pub __unused1: i32,
270         pub __unused2: i32,
271         pub __unused3: i32,
272         pub __unused4: i32,
273         pub __unused5: i32,
274         pub __unused6: i32,
275         pub __unused7: i32,
276         pub __unused8: i32,
277         pub __unused9: i32,
278         pub __unused10: i32,
279         pub __unused11: i32,
280     }
281 
282     pub struct ntptimeval {
283         pub time: ::timeval,
284         pub maxerror: ::c_long,
285         pub esterror: ::c_long,
286         pub tai: ::c_long,
287         pub __glibc_reserved1: ::c_long,
288         pub __glibc_reserved2: ::c_long,
289         pub __glibc_reserved3: ::c_long,
290         pub __glibc_reserved4: ::c_long,
291     }
292 
293     pub struct regex_t {
294         __buffer: *mut ::c_void,
295         __allocated: ::size_t,
296         __used: ::size_t,
297         __syntax: ::c_ulong,
298         __fastmap: *mut ::c_char,
299         __translate: *mut ::c_char,
300         __re_nsub: ::size_t,
301         __bitfield: u8,
302     }
303 
304     pub struct Elf64_Chdr {
305         pub ch_type: ::Elf64_Word,
306         pub ch_reserved: ::Elf64_Word,
307         pub ch_size: ::Elf64_Xword,
308         pub ch_addralign: ::Elf64_Xword,
309     }
310 
311     pub struct Elf32_Chdr {
312         pub ch_type: ::Elf32_Word,
313         pub ch_size: ::Elf32_Word,
314         pub ch_addralign: ::Elf32_Word,
315     }
316 
317     pub struct seminfo {
318         pub semmap: ::c_int,
319         pub semmni: ::c_int,
320         pub semmns: ::c_int,
321         pub semmnu: ::c_int,
322         pub semmsl: ::c_int,
323         pub semopm: ::c_int,
324         pub semume: ::c_int,
325         pub semusz: ::c_int,
326         pub semvmx: ::c_int,
327         pub semaem: ::c_int,
328     }
329 
330     pub struct ptrace_peeksiginfo_args {
331         pub off: ::__u64,
332         pub flags: ::__u32,
333         pub nr: ::__s32,
334     }
335 
336     pub struct __c_anonymous_ptrace_syscall_info_entry {
337         pub nr: ::__u64,
338         pub args: [::__u64; 6],
339     }
340 
341     pub struct __c_anonymous_ptrace_syscall_info_exit {
342         pub sval: ::__s64,
343         pub is_error: ::__u8,
344     }
345 
346     pub struct __c_anonymous_ptrace_syscall_info_seccomp {
347         pub nr: ::__u64,
348         pub args: [::__u64; 6],
349         pub ret_data: ::__u32,
350     }
351 
352     pub struct ptrace_syscall_info {
353         pub op: ::__u8,
354         pub pad: [::__u8; 3],
355         pub arch: ::__u32,
356         pub instruction_pointer: ::__u64,
357         pub stack_pointer: ::__u64,
358         pub u: __c_anonymous_ptrace_syscall_info_data,
359     }
360 
361     // linux/if_xdp.h
362 
363     pub struct sockaddr_xdp {
364         pub sxdp_family: ::__u16,
365         pub sxdp_flags: ::__u16,
366         pub sxdp_ifindex: ::__u32,
367         pub sxdp_queue_id: ::__u32,
368         pub sxdp_shared_umem_fd: ::__u32,
369     }
370 
371     pub struct xdp_ring_offset {
372         pub producer: ::__u64,
373         pub consumer: ::__u64,
374         pub desc: ::__u64,
375         pub flags: ::__u64,
376     }
377 
378     pub struct xdp_mmap_offsets {
379         pub rx: xdp_ring_offset,
380         pub tx: xdp_ring_offset,
381         pub fr: xdp_ring_offset,
382         pub cr: xdp_ring_offset,
383     }
384 
385     pub struct xdp_ring_offset_v1 {
386         pub producer: ::__u64,
387         pub consumer: ::__u64,
388         pub desc: ::__u64,
389     }
390 
391     pub struct xdp_mmap_offsets_v1 {
392         pub rx: xdp_ring_offset_v1,
393         pub tx: xdp_ring_offset_v1,
394         pub fr: xdp_ring_offset_v1,
395         pub cr: xdp_ring_offset_v1,
396     }
397 
398     pub struct xdp_umem_reg {
399         pub addr: ::__u64,
400         pub len: ::__u64,
401         pub chunk_size: ::__u32,
402         pub headroom: ::__u32,
403         pub flags: ::__u32,
404     }
405 
406     pub struct xdp_umem_reg_v1 {
407         pub addr: ::__u64,
408         pub len: ::__u64,
409         pub chunk_size: ::__u32,
410         pub headroom: ::__u32,
411     }
412 
413     pub struct xdp_statistics {
414         pub rx_dropped: ::__u64,
415         pub rx_invalid_descs: ::__u64,
416         pub tx_invalid_descs: ::__u64,
417         pub rx_ring_full: ::__u64,
418         pub rx_fill_ring_empty_descs: ::__u64,
419         pub tx_ring_empty_descs: ::__u64,
420     }
421 
422     pub struct xdp_statistics_v1 {
423         pub rx_dropped: ::__u64,
424         pub rx_invalid_descs: ::__u64,
425         pub tx_invalid_descs: ::__u64,
426     }
427 
428     pub struct xdp_options {
429         pub flags: ::__u32,
430     }
431 
432     pub struct xdp_desc {
433         pub addr: ::__u64,
434         pub len: ::__u32,
435         pub options: ::__u32,
436     }
437 
438     pub struct iocb {
439         pub aio_data: ::__u64,
440         #[cfg(target_endian = "little")]
441         pub aio_key: ::__u32,
442         #[cfg(target_endian = "little")]
443         pub aio_rw_flags: ::__kernel_rwf_t,
444         #[cfg(target_endian = "big")]
445         pub aio_rw_flags: ::__kernel_rwf_t,
446         #[cfg(target_endian = "big")]
447         pub aio_key: ::__u32,
448         pub aio_lio_opcode: ::__u16,
449         pub aio_reqprio: ::__s16,
450         pub aio_fildes: ::__u32,
451         pub aio_buf: ::__u64,
452         pub aio_nbytes: ::__u64,
453         pub aio_offset: ::__s64,
454         aio_reserved2: ::__u64,
455         pub aio_flags: ::__u32,
456         pub aio_resfd: ::__u32,
457     }
458 
459     // netinet/tcp.h
460 
461     pub struct tcp_info {
462         pub tcpi_state: u8,
463         pub tcpi_ca_state: u8,
464         pub tcpi_retransmits: u8,
465         pub tcpi_probes: u8,
466         pub tcpi_backoff: u8,
467         pub tcpi_options: u8,
468         /// This contains the bitfields `tcpi_snd_wscale` and `tcpi_rcv_wscale`.
469         /// Each is 4 bits.
470         pub tcpi_snd_rcv_wscale: u8,
471         pub tcpi_rto: u32,
472         pub tcpi_ato: u32,
473         pub tcpi_snd_mss: u32,
474         pub tcpi_rcv_mss: u32,
475         pub tcpi_unacked: u32,
476         pub tcpi_sacked: u32,
477         pub tcpi_lost: u32,
478         pub tcpi_retrans: u32,
479         pub tcpi_fackets: u32,
480         pub tcpi_last_data_sent: u32,
481         pub tcpi_last_ack_sent: u32,
482         pub tcpi_last_data_recv: u32,
483         pub tcpi_last_ack_recv: u32,
484         pub tcpi_pmtu: u32,
485         pub tcpi_rcv_ssthresh: u32,
486         pub tcpi_rtt: u32,
487         pub tcpi_rttvar: u32,
488         pub tcpi_snd_ssthresh: u32,
489         pub tcpi_snd_cwnd: u32,
490         pub tcpi_advmss: u32,
491         pub tcpi_reordering: u32,
492         pub tcpi_rcv_rtt: u32,
493         pub tcpi_rcv_space: u32,
494         pub tcpi_total_retrans: u32,
495     }
496 
497     pub struct fanotify_event_info_pidfd {
498         pub hdr: ::fanotify_event_info_header,
499         pub pidfd: ::__s32,
500     }
501 
502     pub struct fanotify_event_info_error {
503         pub hdr: ::fanotify_event_info_header,
504         pub error: ::__s32,
505         pub error_count: ::__u32,
506     }
507 
508     // FIXME(1.0) this is actually a union
509     #[cfg_attr(target_pointer_width = "32", repr(align(4)))]
510     #[cfg_attr(target_pointer_width = "64", repr(align(8)))]
511     pub struct sem_t {
512         #[cfg(target_pointer_width = "32")]
513         __size: [::c_char; 16],
514         #[cfg(target_pointer_width = "64")]
515         __size: [::c_char; 32],
516     }
517 }
518 
519 impl siginfo_t {
520     pub unsafe fn si_addr(&self) -> *mut ::c_void {
521         #[repr(C)]
522         struct siginfo_sigfault {
523             _si_signo: ::c_int,
524             _si_errno: ::c_int,
525             _si_code: ::c_int,
526             si_addr: *mut ::c_void,
527         }
528         (*(self as *const siginfo_t as *const siginfo_sigfault)).si_addr
529     }
530 
531     pub unsafe fn si_value(&self) -> ::sigval {
532         #[repr(C)]
533         struct siginfo_timer {
534             _si_signo: ::c_int,
535             _si_errno: ::c_int,
536             _si_code: ::c_int,
537             _si_tid: ::c_int,
538             _si_overrun: ::c_int,
539             si_sigval: ::sigval,
540         }
541         (*(self as *const siginfo_t as *const siginfo_timer)).si_sigval
542     }
543 }
544 
545 // Internal, for casts to access union fields
546 #[repr(C)]
547 struct sifields_sigchld {
548     si_pid: ::pid_t,
549     si_uid: ::uid_t,
550     si_status: ::c_int,
551     si_utime: ::c_long,
552     si_stime: ::c_long,
553 }
554 impl ::Copy for sifields_sigchld {}
555 impl ::Clone for sifields_sigchld {
556     fn clone(&self) -> sifields_sigchld {
557         *self
558     }
559 }
560 
561 // Internal, for casts to access union fields
562 #[repr(C)]
563 union sifields {
564     _align_pointer: *mut ::c_void,
565     sigchld: sifields_sigchld,
566 }
567 
568 // Internal, for casts to access union fields. Note that some variants
569 // of sifields start with a pointer, which makes the alignment of
570 // sifields vary on 32-bit and 64-bit architectures.
571 #[repr(C)]
572 struct siginfo_f {
573     _siginfo_base: [::c_int; 3],
574     sifields: sifields,
575 }
576 
577 impl siginfo_t {
578     unsafe fn sifields(&self) -> &sifields {
579         &(*(self as *const siginfo_t as *const siginfo_f)).sifields
580     }
581 
582     pub unsafe fn si_pid(&self) -> ::pid_t {
583         self.sifields().sigchld.si_pid
584     }
585 
586     pub unsafe fn si_uid(&self) -> ::uid_t {
587         self.sifields().sigchld.si_uid
588     }
589 
590     pub unsafe fn si_status(&self) -> ::c_int {
591         self.sifields().sigchld.si_status
592     }
593 
594     pub unsafe fn si_utime(&self) -> ::c_long {
595         self.sifields().sigchld.si_utime
596     }
597 
598     pub unsafe fn si_stime(&self) -> ::c_long {
599         self.sifields().sigchld.si_stime
600     }
601 }
602 
603 pub union __c_anonymous_ptrace_syscall_info_data {
604     pub entry: __c_anonymous_ptrace_syscall_info_entry,
605     pub exit: __c_anonymous_ptrace_syscall_info_exit,
606     pub seccomp: __c_anonymous_ptrace_syscall_info_seccomp,
607 }
608 impl ::Copy for __c_anonymous_ptrace_syscall_info_data {}
609 impl ::Clone for __c_anonymous_ptrace_syscall_info_data {
610     fn clone(&self) -> __c_anonymous_ptrace_syscall_info_data {
611         *self
612     }
613 }
614 
615 s_no_extra_traits! {
616     pub struct utmpx {
617         pub ut_type: ::c_short,
618         pub ut_pid: ::pid_t,
619         pub ut_line: [::c_char; __UT_LINESIZE],
620         pub ut_id: [::c_char; 4],
621 
622         pub ut_user: [::c_char; __UT_NAMESIZE],
623         pub ut_host: [::c_char; __UT_HOSTSIZE],
624         pub ut_exit: __exit_status,
625 
626         #[cfg(any(
627             target_arch = "aarch64",
628             target_arch = "s390x",
629             target_arch = "loongarch64",
630             all(target_pointer_width = "32", not(target_arch = "x86_64"))
631         ))]
632         pub ut_session: ::c_long,
633         #[cfg(any(
634             target_arch = "aarch64",
635             target_arch = "s390x",
636             target_arch = "loongarch64",
637             all(target_pointer_width = "32", not(target_arch = "x86_64"))
638         ))]
639         pub ut_tv: ::timeval,
640 
641         #[cfg(not(any(
642             target_arch = "aarch64",
643             target_arch = "s390x",
644             target_arch = "loongarch64",
645             all(target_pointer_width = "32", not(target_arch = "x86_64"))
646         )))]
647         pub ut_session: i32,
648         #[cfg(not(any(
649             target_arch = "aarch64",
650             target_arch = "s390x",
651             target_arch = "loongarch64",
652             all(target_pointer_width = "32", not(target_arch = "x86_64"))
653         )))]
654         pub ut_tv: __timeval,
655 
656         pub ut_addr_v6: [i32; 4],
657         __glibc_reserved: [::c_char; 20],
658     }
659 }
660 
661 cfg_if! {
662     if #[cfg(feature = "extra_traits")] {
663         impl PartialEq for utmpx {
664             fn eq(&self, other: &utmpx) -> bool {
665                 self.ut_type == other.ut_type
666                     && self.ut_pid == other.ut_pid
667                     && self.ut_line == other.ut_line
668                     && self.ut_id == other.ut_id
669                     && self.ut_user == other.ut_user
670                     && self
671                         .ut_host
672                         .iter()
673                         .zip(other.ut_host.iter())
674                         .all(|(a, b)| a == b)
675                     && self.ut_exit == other.ut_exit
676                     && self.ut_session == other.ut_session
677                     && self.ut_tv == other.ut_tv
678                     && self.ut_addr_v6 == other.ut_addr_v6
679                     && self.__glibc_reserved == other.__glibc_reserved
680             }
681         }
682 
683         impl Eq for utmpx {}
684 
685         impl ::fmt::Debug for utmpx {
686             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
687                 f.debug_struct("utmpx")
688                     .field("ut_type", &self.ut_type)
689                     .field("ut_pid", &self.ut_pid)
690                     .field("ut_line", &self.ut_line)
691                     .field("ut_id", &self.ut_id)
692                     .field("ut_user", &self.ut_user)
693                     // FIXME: .field("ut_host", &self.ut_host)
694                     .field("ut_exit", &self.ut_exit)
695                     .field("ut_session", &self.ut_session)
696                     .field("ut_tv", &self.ut_tv)
697                     .field("ut_addr_v6", &self.ut_addr_v6)
698                     .field("__glibc_reserved", &self.__glibc_reserved)
699                     .finish()
700             }
701         }
702 
703         impl ::hash::Hash for utmpx {
704             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
705                 self.ut_type.hash(state);
706                 self.ut_pid.hash(state);
707                 self.ut_line.hash(state);
708                 self.ut_id.hash(state);
709                 self.ut_user.hash(state);
710                 self.ut_host.hash(state);
711                 self.ut_exit.hash(state);
712                 self.ut_session.hash(state);
713                 self.ut_tv.hash(state);
714                 self.ut_addr_v6.hash(state);
715                 self.__glibc_reserved.hash(state);
716             }
717         }
718 
719         impl PartialEq for __c_anonymous_ptrace_syscall_info_data {
720             fn eq(&self, other: &__c_anonymous_ptrace_syscall_info_data) -> bool {
721                 unsafe {
722                     self.entry == other.entry
723                         || self.exit == other.exit
724                         || self.seccomp == other.seccomp
725                 }
726             }
727         }
728 
729         impl Eq for __c_anonymous_ptrace_syscall_info_data {}
730 
731         impl ::fmt::Debug for __c_anonymous_ptrace_syscall_info_data {
732             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
733                 unsafe {
734                     f.debug_struct("__c_anonymous_ptrace_syscall_info_data")
735                         .field("entry", &self.entry)
736                         .field("exit", &self.exit)
737                         .field("seccomp", &self.seccomp)
738                         .finish()
739                 }
740             }
741         }
742 
743         impl ::hash::Hash for __c_anonymous_ptrace_syscall_info_data {
744             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
745                 unsafe {
746                     self.entry.hash(state);
747                     self.exit.hash(state);
748                     self.seccomp.hash(state);
749                 }
750             }
751         }
752     }
753 }
754 
755 // include/uapi/asm-generic/hugetlb_encode.h
756 pub const HUGETLB_FLAG_ENCODE_SHIFT: ::c_int = 26;
757 pub const HUGETLB_FLAG_ENCODE_MASK: ::c_int = 0x3f;
758 
759 pub const HUGETLB_FLAG_ENCODE_64KB: ::c_int = 16 << HUGETLB_FLAG_ENCODE_SHIFT;
760 pub const HUGETLB_FLAG_ENCODE_512KB: ::c_int = 19 << HUGETLB_FLAG_ENCODE_SHIFT;
761 pub const HUGETLB_FLAG_ENCODE_1MB: ::c_int = 20 << HUGETLB_FLAG_ENCODE_SHIFT;
762 pub const HUGETLB_FLAG_ENCODE_2MB: ::c_int = 21 << HUGETLB_FLAG_ENCODE_SHIFT;
763 pub const HUGETLB_FLAG_ENCODE_8MB: ::c_int = 23 << HUGETLB_FLAG_ENCODE_SHIFT;
764 pub const HUGETLB_FLAG_ENCODE_16MB: ::c_int = 24 << HUGETLB_FLAG_ENCODE_SHIFT;
765 pub const HUGETLB_FLAG_ENCODE_32MB: ::c_int = 25 << HUGETLB_FLAG_ENCODE_SHIFT;
766 pub const HUGETLB_FLAG_ENCODE_256MB: ::c_int = 28 << HUGETLB_FLAG_ENCODE_SHIFT;
767 pub const HUGETLB_FLAG_ENCODE_512MB: ::c_int = 29 << HUGETLB_FLAG_ENCODE_SHIFT;
768 pub const HUGETLB_FLAG_ENCODE_1GB: ::c_int = 30 << HUGETLB_FLAG_ENCODE_SHIFT;
769 pub const HUGETLB_FLAG_ENCODE_2GB: ::c_int = 31 << HUGETLB_FLAG_ENCODE_SHIFT;
770 pub const HUGETLB_FLAG_ENCODE_16GB: ::c_int = 34 << HUGETLB_FLAG_ENCODE_SHIFT;
771 
772 // include/uapi/linux/mman.h
773 /*
774  * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
775  * size other than the default is desired.  See hugetlb_encode.h.
776  * All known huge page size encodings are provided here.  It is the
777  * responsibility of the application to know which sizes are supported on
778  * the running system.  See mmap(2) man page for details.
779  */
780 pub const MAP_HUGE_SHIFT: ::c_int = HUGETLB_FLAG_ENCODE_SHIFT;
781 pub const MAP_HUGE_MASK: ::c_int = HUGETLB_FLAG_ENCODE_MASK;
782 
783 pub const MAP_HUGE_64KB: ::c_int = HUGETLB_FLAG_ENCODE_64KB;
784 pub const MAP_HUGE_512KB: ::c_int = HUGETLB_FLAG_ENCODE_512KB;
785 pub const MAP_HUGE_1MB: ::c_int = HUGETLB_FLAG_ENCODE_1MB;
786 pub const MAP_HUGE_2MB: ::c_int = HUGETLB_FLAG_ENCODE_2MB;
787 pub const MAP_HUGE_8MB: ::c_int = HUGETLB_FLAG_ENCODE_8MB;
788 pub const MAP_HUGE_16MB: ::c_int = HUGETLB_FLAG_ENCODE_16MB;
789 pub const MAP_HUGE_32MB: ::c_int = HUGETLB_FLAG_ENCODE_32MB;
790 pub const MAP_HUGE_256MB: ::c_int = HUGETLB_FLAG_ENCODE_256MB;
791 pub const MAP_HUGE_512MB: ::c_int = HUGETLB_FLAG_ENCODE_512MB;
792 pub const MAP_HUGE_1GB: ::c_int = HUGETLB_FLAG_ENCODE_1GB;
793 pub const MAP_HUGE_2GB: ::c_int = HUGETLB_FLAG_ENCODE_2GB;
794 pub const MAP_HUGE_16GB: ::c_int = HUGETLB_FLAG_ENCODE_16GB;
795 
796 pub const PRIO_PROCESS: ::__priority_which_t = 0;
797 pub const PRIO_PGRP: ::__priority_which_t = 1;
798 pub const PRIO_USER: ::__priority_which_t = 2;
799 
800 pub const MS_RMT_MASK: ::c_ulong = 0x02800051;
801 
802 pub const __UT_LINESIZE: usize = 32;
803 pub const __UT_NAMESIZE: usize = 32;
804 pub const __UT_HOSTSIZE: usize = 256;
805 pub const EMPTY: ::c_short = 0;
806 pub const RUN_LVL: ::c_short = 1;
807 pub const BOOT_TIME: ::c_short = 2;
808 pub const NEW_TIME: ::c_short = 3;
809 pub const OLD_TIME: ::c_short = 4;
810 pub const INIT_PROCESS: ::c_short = 5;
811 pub const LOGIN_PROCESS: ::c_short = 6;
812 pub const USER_PROCESS: ::c_short = 7;
813 pub const DEAD_PROCESS: ::c_short = 8;
814 pub const ACCOUNTING: ::c_short = 9;
815 
816 // dlfcn.h
817 pub const LM_ID_BASE: ::c_long = 0;
818 pub const LM_ID_NEWLM: ::c_long = -1;
819 
820 pub const RTLD_DI_LMID: ::c_int = 1;
821 pub const RTLD_DI_LINKMAP: ::c_int = 2;
822 pub const RTLD_DI_CONFIGADDR: ::c_int = 3;
823 pub const RTLD_DI_SERINFO: ::c_int = 4;
824 pub const RTLD_DI_SERINFOSIZE: ::c_int = 5;
825 pub const RTLD_DI_ORIGIN: ::c_int = 6;
826 pub const RTLD_DI_PROFILENAME: ::c_int = 7;
827 pub const RTLD_DI_PROFILEOUT: ::c_int = 8;
828 pub const RTLD_DI_TLS_MODID: ::c_int = 9;
829 pub const RTLD_DI_TLS_DATA: ::c_int = 10;
830 
831 pub const SOCK_NONBLOCK: ::c_int = O_NONBLOCK;
832 pub const PIDFD_NONBLOCK: ::c_uint = O_NONBLOCK as ::c_uint;
833 
834 pub const SOL_RXRPC: ::c_int = 272;
835 pub const SOL_PPPOL2TP: ::c_int = 273;
836 pub const SOL_PNPIPE: ::c_int = 275;
837 pub const SOL_RDS: ::c_int = 276;
838 pub const SOL_IUCV: ::c_int = 277;
839 pub const SOL_CAIF: ::c_int = 278;
840 pub const SOL_NFC: ::c_int = 280;
841 pub const SOL_XDP: ::c_int = 283;
842 
843 pub const MSG_TRYHARD: ::c_int = 4;
844 
845 pub const LC_PAPER: ::c_int = 7;
846 pub const LC_NAME: ::c_int = 8;
847 pub const LC_ADDRESS: ::c_int = 9;
848 pub const LC_TELEPHONE: ::c_int = 10;
849 pub const LC_MEASUREMENT: ::c_int = 11;
850 pub const LC_IDENTIFICATION: ::c_int = 12;
851 pub const LC_PAPER_MASK: ::c_int = 1 << LC_PAPER;
852 pub const LC_NAME_MASK: ::c_int = 1 << LC_NAME;
853 pub const LC_ADDRESS_MASK: ::c_int = 1 << LC_ADDRESS;
854 pub const LC_TELEPHONE_MASK: ::c_int = 1 << LC_TELEPHONE;
855 pub const LC_MEASUREMENT_MASK: ::c_int = 1 << LC_MEASUREMENT;
856 pub const LC_IDENTIFICATION_MASK: ::c_int = 1 << LC_IDENTIFICATION;
857 pub const LC_ALL_MASK: ::c_int = ::LC_CTYPE_MASK
858     | ::LC_NUMERIC_MASK
859     | ::LC_TIME_MASK
860     | ::LC_COLLATE_MASK
861     | ::LC_MONETARY_MASK
862     | ::LC_MESSAGES_MASK
863     | LC_PAPER_MASK
864     | LC_NAME_MASK
865     | LC_ADDRESS_MASK
866     | LC_TELEPHONE_MASK
867     | LC_MEASUREMENT_MASK
868     | LC_IDENTIFICATION_MASK;
869 
870 pub const ENOTSUP: ::c_int = EOPNOTSUPP;
871 
872 pub const SOCK_SEQPACKET: ::c_int = 5;
873 pub const SOCK_DCCP: ::c_int = 6;
874 pub const SOCK_PACKET: ::c_int = 10;
875 
876 pub const AF_IB: ::c_int = 27;
877 pub const AF_MPLS: ::c_int = 28;
878 pub const AF_NFC: ::c_int = 39;
879 pub const AF_VSOCK: ::c_int = 40;
880 pub const AF_XDP: ::c_int = 44;
881 pub const PF_IB: ::c_int = AF_IB;
882 pub const PF_MPLS: ::c_int = AF_MPLS;
883 pub const PF_NFC: ::c_int = AF_NFC;
884 pub const PF_VSOCK: ::c_int = AF_VSOCK;
885 pub const PF_XDP: ::c_int = AF_XDP;
886 
887 pub const SIGEV_THREAD_ID: ::c_int = 4;
888 
889 pub const BUFSIZ: ::c_uint = 8192;
890 pub const TMP_MAX: ::c_uint = 238328;
891 pub const FOPEN_MAX: ::c_uint = 16;
892 pub const FILENAME_MAX: ::c_uint = 4096;
893 pub const POSIX_MADV_DONTNEED: ::c_int = 4;
894 pub const _CS_GNU_LIBC_VERSION: ::c_int = 2;
895 pub const _CS_GNU_LIBPTHREAD_VERSION: ::c_int = 3;
896 pub const _CS_V6_ENV: ::c_int = 1148;
897 pub const _CS_V7_ENV: ::c_int = 1149;
898 pub const _SC_EQUIV_CLASS_MAX: ::c_int = 41;
899 pub const _SC_CHARCLASS_NAME_MAX: ::c_int = 45;
900 pub const _SC_PII: ::c_int = 53;
901 pub const _SC_PII_XTI: ::c_int = 54;
902 pub const _SC_PII_SOCKET: ::c_int = 55;
903 pub const _SC_PII_INTERNET: ::c_int = 56;
904 pub const _SC_PII_OSI: ::c_int = 57;
905 pub const _SC_POLL: ::c_int = 58;
906 pub const _SC_SELECT: ::c_int = 59;
907 pub const _SC_PII_INTERNET_STREAM: ::c_int = 61;
908 pub const _SC_PII_INTERNET_DGRAM: ::c_int = 62;
909 pub const _SC_PII_OSI_COTS: ::c_int = 63;
910 pub const _SC_PII_OSI_CLTS: ::c_int = 64;
911 pub const _SC_PII_OSI_M: ::c_int = 65;
912 pub const _SC_T_IOV_MAX: ::c_int = 66;
913 pub const _SC_2_C_VERSION: ::c_int = 96;
914 pub const _SC_CHAR_BIT: ::c_int = 101;
915 pub const _SC_CHAR_MAX: ::c_int = 102;
916 pub const _SC_CHAR_MIN: ::c_int = 103;
917 pub const _SC_INT_MAX: ::c_int = 104;
918 pub const _SC_INT_MIN: ::c_int = 105;
919 pub const _SC_LONG_BIT: ::c_int = 106;
920 pub const _SC_WORD_BIT: ::c_int = 107;
921 pub const _SC_MB_LEN_MAX: ::c_int = 108;
922 pub const _SC_SSIZE_MAX: ::c_int = 110;
923 pub const _SC_SCHAR_MAX: ::c_int = 111;
924 pub const _SC_SCHAR_MIN: ::c_int = 112;
925 pub const _SC_SHRT_MAX: ::c_int = 113;
926 pub const _SC_SHRT_MIN: ::c_int = 114;
927 pub const _SC_UCHAR_MAX: ::c_int = 115;
928 pub const _SC_UINT_MAX: ::c_int = 116;
929 pub const _SC_ULONG_MAX: ::c_int = 117;
930 pub const _SC_USHRT_MAX: ::c_int = 118;
931 pub const _SC_NL_ARGMAX: ::c_int = 119;
932 pub const _SC_NL_LANGMAX: ::c_int = 120;
933 pub const _SC_NL_MSGMAX: ::c_int = 121;
934 pub const _SC_NL_NMAX: ::c_int = 122;
935 pub const _SC_NL_SETMAX: ::c_int = 123;
936 pub const _SC_NL_TEXTMAX: ::c_int = 124;
937 pub const _SC_BASE: ::c_int = 134;
938 pub const _SC_C_LANG_SUPPORT: ::c_int = 135;
939 pub const _SC_C_LANG_SUPPORT_R: ::c_int = 136;
940 pub const _SC_DEVICE_IO: ::c_int = 140;
941 pub const _SC_DEVICE_SPECIFIC: ::c_int = 141;
942 pub const _SC_DEVICE_SPECIFIC_R: ::c_int = 142;
943 pub const _SC_FD_MGMT: ::c_int = 143;
944 pub const _SC_FIFO: ::c_int = 144;
945 pub const _SC_PIPE: ::c_int = 145;
946 pub const _SC_FILE_ATTRIBUTES: ::c_int = 146;
947 pub const _SC_FILE_LOCKING: ::c_int = 147;
948 pub const _SC_FILE_SYSTEM: ::c_int = 148;
949 pub const _SC_MULTI_PROCESS: ::c_int = 150;
950 pub const _SC_SINGLE_PROCESS: ::c_int = 151;
951 pub const _SC_NETWORKING: ::c_int = 152;
952 pub const _SC_REGEX_VERSION: ::c_int = 156;
953 pub const _SC_SIGNALS: ::c_int = 158;
954 pub const _SC_SYSTEM_DATABASE: ::c_int = 162;
955 pub const _SC_SYSTEM_DATABASE_R: ::c_int = 163;
956 pub const _SC_USER_GROUPS: ::c_int = 166;
957 pub const _SC_USER_GROUPS_R: ::c_int = 167;
958 pub const _SC_LEVEL1_ICACHE_SIZE: ::c_int = 185;
959 pub const _SC_LEVEL1_ICACHE_ASSOC: ::c_int = 186;
960 pub const _SC_LEVEL1_ICACHE_LINESIZE: ::c_int = 187;
961 pub const _SC_LEVEL1_DCACHE_SIZE: ::c_int = 188;
962 pub const _SC_LEVEL1_DCACHE_ASSOC: ::c_int = 189;
963 pub const _SC_LEVEL1_DCACHE_LINESIZE: ::c_int = 190;
964 pub const _SC_LEVEL2_CACHE_SIZE: ::c_int = 191;
965 pub const _SC_LEVEL2_CACHE_ASSOC: ::c_int = 192;
966 pub const _SC_LEVEL2_CACHE_LINESIZE: ::c_int = 193;
967 pub const _SC_LEVEL3_CACHE_SIZE: ::c_int = 194;
968 pub const _SC_LEVEL3_CACHE_ASSOC: ::c_int = 195;
969 pub const _SC_LEVEL3_CACHE_LINESIZE: ::c_int = 196;
970 pub const _SC_LEVEL4_CACHE_SIZE: ::c_int = 197;
971 pub const _SC_LEVEL4_CACHE_ASSOC: ::c_int = 198;
972 pub const _SC_LEVEL4_CACHE_LINESIZE: ::c_int = 199;
973 pub const O_ACCMODE: ::c_int = 3;
974 pub const ST_RELATIME: ::c_ulong = 4096;
975 pub const NI_MAXHOST: ::socklen_t = 1025;
976 
977 // Most `*_SUPER_MAGIC` constants are defined at the `linux_like` level; the
978 // following are only available on newer Linux versions than the versions
979 // currently used in CI in some configurations, so we define them here.
980 cfg_if! {
981     if #[cfg(not(target_arch = "s390x"))] {
982         pub const BINDERFS_SUPER_MAGIC: ::c_long = 0x6c6f6f70;
983         pub const XFS_SUPER_MAGIC: ::c_long = 0x58465342;
984     } else if #[cfg(target_arch = "s390x")] {
985         pub const BINDERFS_SUPER_MAGIC: ::c_uint = 0x6c6f6f70;
986         pub const XFS_SUPER_MAGIC: ::c_uint = 0x58465342;
987     }
988 }
989 
990 pub const CPU_SETSIZE: ::c_int = 0x400;
991 
992 pub const PTRACE_TRACEME: ::c_uint = 0;
993 pub const PTRACE_PEEKTEXT: ::c_uint = 1;
994 pub const PTRACE_PEEKDATA: ::c_uint = 2;
995 pub const PTRACE_PEEKUSER: ::c_uint = 3;
996 pub const PTRACE_POKETEXT: ::c_uint = 4;
997 pub const PTRACE_POKEDATA: ::c_uint = 5;
998 pub const PTRACE_POKEUSER: ::c_uint = 6;
999 pub const PTRACE_CONT: ::c_uint = 7;
1000 pub const PTRACE_KILL: ::c_uint = 8;
1001 pub const PTRACE_SINGLESTEP: ::c_uint = 9;
1002 pub const PTRACE_ATTACH: ::c_uint = 16;
1003 pub const PTRACE_SYSCALL: ::c_uint = 24;
1004 pub const PTRACE_SETOPTIONS: ::c_uint = 0x4200;
1005 pub const PTRACE_GETEVENTMSG: ::c_uint = 0x4201;
1006 pub const PTRACE_GETSIGINFO: ::c_uint = 0x4202;
1007 pub const PTRACE_SETSIGINFO: ::c_uint = 0x4203;
1008 pub const PTRACE_GETREGSET: ::c_uint = 0x4204;
1009 pub const PTRACE_SETREGSET: ::c_uint = 0x4205;
1010 pub const PTRACE_SEIZE: ::c_uint = 0x4206;
1011 pub const PTRACE_INTERRUPT: ::c_uint = 0x4207;
1012 pub const PTRACE_LISTEN: ::c_uint = 0x4208;
1013 pub const PTRACE_PEEKSIGINFO: ::c_uint = 0x4209;
1014 pub const PTRACE_GETSIGMASK: ::c_uint = 0x420a;
1015 pub const PTRACE_SETSIGMASK: ::c_uint = 0x420b;
1016 pub const PTRACE_GET_SYSCALL_INFO: ::c_uint = 0x420e;
1017 pub const PTRACE_SYSCALL_INFO_NONE: ::__u8 = 0;
1018 pub const PTRACE_SYSCALL_INFO_ENTRY: ::__u8 = 1;
1019 pub const PTRACE_SYSCALL_INFO_EXIT: ::__u8 = 2;
1020 pub const PTRACE_SYSCALL_INFO_SECCOMP: ::__u8 = 3;
1021 
1022 // linux/fs.h
1023 
1024 // Flags for preadv2/pwritev2
1025 pub const RWF_HIPRI: ::c_int = 0x00000001;
1026 pub const RWF_DSYNC: ::c_int = 0x00000002;
1027 pub const RWF_SYNC: ::c_int = 0x00000004;
1028 pub const RWF_NOWAIT: ::c_int = 0x00000008;
1029 pub const RWF_APPEND: ::c_int = 0x00000010;
1030 
1031 // linux/rtnetlink.h
1032 pub const TCA_PAD: ::c_ushort = 9;
1033 pub const TCA_DUMP_INVISIBLE: ::c_ushort = 10;
1034 pub const TCA_CHAIN: ::c_ushort = 11;
1035 pub const TCA_HW_OFFLOAD: ::c_ushort = 12;
1036 
1037 pub const RTM_DELNETCONF: u16 = 81;
1038 pub const RTM_NEWSTATS: u16 = 92;
1039 pub const RTM_GETSTATS: u16 = 94;
1040 pub const RTM_NEWCACHEREPORT: u16 = 96;
1041 
1042 pub const RTM_F_LOOKUP_TABLE: ::c_uint = 0x1000;
1043 pub const RTM_F_FIB_MATCH: ::c_uint = 0x2000;
1044 
1045 pub const RTA_VIA: ::c_ushort = 18;
1046 pub const RTA_NEWDST: ::c_ushort = 19;
1047 pub const RTA_PREF: ::c_ushort = 20;
1048 pub const RTA_ENCAP_TYPE: ::c_ushort = 21;
1049 pub const RTA_ENCAP: ::c_ushort = 22;
1050 pub const RTA_EXPIRES: ::c_ushort = 23;
1051 pub const RTA_PAD: ::c_ushort = 24;
1052 pub const RTA_UID: ::c_ushort = 25;
1053 pub const RTA_TTL_PROPAGATE: ::c_ushort = 26;
1054 
1055 // linux/neighbor.h
1056 pub const NTF_EXT_LEARNED: u8 = 0x10;
1057 pub const NTF_OFFLOADED: u8 = 0x20;
1058 
1059 pub const NDA_MASTER: ::c_ushort = 9;
1060 pub const NDA_LINK_NETNSID: ::c_ushort = 10;
1061 pub const NDA_SRC_VNI: ::c_ushort = 11;
1062 
1063 // linux/personality.h
1064 pub const UNAME26: ::c_int = 0x0020000;
1065 pub const FDPIC_FUNCPTRS: ::c_int = 0x0080000;
1066 
1067 // linux/if_addr.h
1068 pub const IFA_FLAGS: ::c_ushort = 8;
1069 
1070 pub const IFA_F_MANAGETEMPADDR: u32 = 0x100;
1071 pub const IFA_F_NOPREFIXROUTE: u32 = 0x200;
1072 pub const IFA_F_MCAUTOJOIN: u32 = 0x400;
1073 pub const IFA_F_STABLE_PRIVACY: u32 = 0x800;
1074 
1075 pub const MAX_LINKS: ::c_int = 32;
1076 
1077 pub const GENL_UNS_ADMIN_PERM: ::c_int = 0x10;
1078 
1079 pub const GENL_ID_VFS_DQUOT: ::c_int = ::NLMSG_MIN_TYPE + 1;
1080 pub const GENL_ID_PMCRAID: ::c_int = ::NLMSG_MIN_TYPE + 2;
1081 
1082 // linux/if_xdp.h
1083 pub const XDP_SHARED_UMEM: ::__u16 = 1 << 0;
1084 pub const XDP_COPY: ::__u16 = 1 << 1;
1085 pub const XDP_ZEROCOPY: ::__u16 = 1 << 2;
1086 pub const XDP_USE_NEED_WAKEUP: ::__u16 = 1 << 3;
1087 pub const XDP_USE_SG: ::__u16 = 1 << 4;
1088 
1089 pub const XDP_UMEM_UNALIGNED_CHUNK_FLAG: ::__u32 = 1 << 0;
1090 
1091 pub const XDP_RING_NEED_WAKEUP: ::__u32 = 1 << 0;
1092 
1093 pub const XDP_MMAP_OFFSETS: ::c_int = 1;
1094 pub const XDP_RX_RING: ::c_int = 2;
1095 pub const XDP_TX_RING: ::c_int = 3;
1096 pub const XDP_UMEM_REG: ::c_int = 4;
1097 pub const XDP_UMEM_FILL_RING: ::c_int = 5;
1098 pub const XDP_UMEM_COMPLETION_RING: ::c_int = 6;
1099 pub const XDP_STATISTICS: ::c_int = 7;
1100 pub const XDP_OPTIONS: ::c_int = 8;
1101 
1102 pub const XDP_OPTIONS_ZEROCOPY: ::__u32 = 1 << 0;
1103 
1104 pub const XDP_PGOFF_RX_RING: ::off_t = 0;
1105 pub const XDP_PGOFF_TX_RING: ::off_t = 0x80000000;
1106 pub const XDP_UMEM_PGOFF_FILL_RING: ::c_ulonglong = 0x100000000;
1107 pub const XDP_UMEM_PGOFF_COMPLETION_RING: ::c_ulonglong = 0x180000000;
1108 
1109 pub const XSK_UNALIGNED_BUF_OFFSET_SHIFT: ::c_int = 48;
1110 pub const XSK_UNALIGNED_BUF_ADDR_MASK: ::c_ulonglong = (1 << XSK_UNALIGNED_BUF_OFFSET_SHIFT) - 1;
1111 
1112 pub const XDP_PKT_CONTD: ::__u32 = 1 << 0;
1113 
1114 pub const ELFOSABI_ARM_AEABI: u8 = 64;
1115 
1116 // linux/sched.h
1117 pub const CLONE_NEWTIME: ::c_int = 0x80;
1118 // DIFF(main): changed to `c_ulonglong` in e9abac9ac2
1119 pub const CLONE_CLEAR_SIGHAND: ::c_int = 0x100000000;
1120 pub const CLONE_INTO_CGROUP: ::c_int = 0x200000000;
1121 
1122 // linux/keyctl.h
1123 pub const KEYCTL_DH_COMPUTE: u32 = 23;
1124 pub const KEYCTL_PKEY_QUERY: u32 = 24;
1125 pub const KEYCTL_PKEY_ENCRYPT: u32 = 25;
1126 pub const KEYCTL_PKEY_DECRYPT: u32 = 26;
1127 pub const KEYCTL_PKEY_SIGN: u32 = 27;
1128 pub const KEYCTL_PKEY_VERIFY: u32 = 28;
1129 pub const KEYCTL_RESTRICT_KEYRING: u32 = 29;
1130 
1131 pub const KEYCTL_SUPPORTS_ENCRYPT: u32 = 0x01;
1132 pub const KEYCTL_SUPPORTS_DECRYPT: u32 = 0x02;
1133 pub const KEYCTL_SUPPORTS_SIGN: u32 = 0x04;
1134 pub const KEYCTL_SUPPORTS_VERIFY: u32 = 0x08;
1135 cfg_if! {
1136     if #[cfg(not(any(
1137         target_arch = "mips",
1138         target_arch = "mips32r6",
1139         target_arch = "mips64",
1140         target_arch = "mips64r6"
1141     )))] {
1142         pub const KEYCTL_MOVE: u32 = 30;
1143         pub const KEYCTL_CAPABILITIES: u32 = 31;
1144 
1145         pub const KEYCTL_CAPS0_CAPABILITIES: u32 = 0x01;
1146         pub const KEYCTL_CAPS0_PERSISTENT_KEYRINGS: u32 = 0x02;
1147         pub const KEYCTL_CAPS0_DIFFIE_HELLMAN: u32 = 0x04;
1148         pub const KEYCTL_CAPS0_PUBLIC_KEY: u32 = 0x08;
1149         pub const KEYCTL_CAPS0_BIG_KEY: u32 = 0x10;
1150         pub const KEYCTL_CAPS0_INVALIDATE: u32 = 0x20;
1151         pub const KEYCTL_CAPS0_RESTRICT_KEYRING: u32 = 0x40;
1152         pub const KEYCTL_CAPS0_MOVE: u32 = 0x80;
1153         pub const KEYCTL_CAPS1_NS_KEYRING_NAME: u32 = 0x01;
1154         pub const KEYCTL_CAPS1_NS_KEY_TAG: u32 = 0x02;
1155     }
1156 }
1157 
1158 pub const M_MXFAST: ::c_int = 1;
1159 pub const M_NLBLKS: ::c_int = 2;
1160 pub const M_GRAIN: ::c_int = 3;
1161 pub const M_KEEP: ::c_int = 4;
1162 pub const M_TRIM_THRESHOLD: ::c_int = -1;
1163 pub const M_TOP_PAD: ::c_int = -2;
1164 pub const M_MMAP_THRESHOLD: ::c_int = -3;
1165 pub const M_MMAP_MAX: ::c_int = -4;
1166 pub const M_CHECK_ACTION: ::c_int = -5;
1167 pub const M_PERTURB: ::c_int = -6;
1168 pub const M_ARENA_TEST: ::c_int = -7;
1169 pub const M_ARENA_MAX: ::c_int = -8;
1170 
1171 pub const AT_STATX_SYNC_TYPE: ::c_int = 0x6000;
1172 pub const AT_STATX_SYNC_AS_STAT: ::c_int = 0x0000;
1173 pub const AT_STATX_FORCE_SYNC: ::c_int = 0x2000;
1174 pub const AT_STATX_DONT_SYNC: ::c_int = 0x4000;
1175 pub const STATX_TYPE: ::c_uint = 0x0001;
1176 pub const STATX_MODE: ::c_uint = 0x0002;
1177 pub const STATX_NLINK: ::c_uint = 0x0004;
1178 pub const STATX_UID: ::c_uint = 0x0008;
1179 pub const STATX_GID: ::c_uint = 0x0010;
1180 pub const STATX_ATIME: ::c_uint = 0x0020;
1181 pub const STATX_MTIME: ::c_uint = 0x0040;
1182 pub const STATX_CTIME: ::c_uint = 0x0080;
1183 pub const STATX_INO: ::c_uint = 0x0100;
1184 pub const STATX_SIZE: ::c_uint = 0x0200;
1185 pub const STATX_BLOCKS: ::c_uint = 0x0400;
1186 pub const STATX_BASIC_STATS: ::c_uint = 0x07ff;
1187 pub const STATX_BTIME: ::c_uint = 0x0800;
1188 pub const STATX_MNT_ID: ::c_uint = 0x1000;
1189 pub const STATX_DIOALIGN: ::c_uint = 0x2000;
1190 pub const STATX_ALL: ::c_uint = 0x0fff;
1191 pub const STATX__RESERVED: ::c_int = 0x80000000;
1192 pub const STATX_ATTR_COMPRESSED: ::c_int = 0x0004;
1193 pub const STATX_ATTR_IMMUTABLE: ::c_int = 0x0010;
1194 pub const STATX_ATTR_APPEND: ::c_int = 0x0020;
1195 pub const STATX_ATTR_NODUMP: ::c_int = 0x0040;
1196 pub const STATX_ATTR_ENCRYPTED: ::c_int = 0x0800;
1197 pub const STATX_ATTR_AUTOMOUNT: ::c_int = 0x1000;
1198 pub const STATX_ATTR_MOUNT_ROOT: ::c_int = 0x2000;
1199 pub const STATX_ATTR_VERITY: ::c_int = 0x00100000;
1200 pub const STATX_ATTR_DAX: ::c_int = 0x00200000;
1201 
1202 pub const SOMAXCONN: ::c_int = 4096;
1203 
1204 // linux/mount.h
1205 pub const MOVE_MOUNT_F_SYMLINKS: ::c_uint = 0x00000001;
1206 pub const MOVE_MOUNT_F_AUTOMOUNTS: ::c_uint = 0x00000002;
1207 pub const MOVE_MOUNT_F_EMPTY_PATH: ::c_uint = 0x00000004;
1208 pub const MOVE_MOUNT_T_SYMLINKS: ::c_uint = 0x00000010;
1209 pub const MOVE_MOUNT_T_AUTOMOUNTS: ::c_uint = 0x00000020;
1210 pub const MOVE_MOUNT_T_EMPTY_PATH: ::c_uint = 0x00000040;
1211 pub const MOVE_MOUNT_SET_GROUP: ::c_uint = 0x00000100;
1212 pub const MOVE_MOUNT_BENEATH: ::c_uint = 0x00000200;
1213 
1214 // sys/timex.h
1215 pub const ADJ_OFFSET: ::c_uint = 0x0001;
1216 pub const ADJ_FREQUENCY: ::c_uint = 0x0002;
1217 pub const ADJ_MAXERROR: ::c_uint = 0x0004;
1218 pub const ADJ_ESTERROR: ::c_uint = 0x0008;
1219 pub const ADJ_STATUS: ::c_uint = 0x0010;
1220 pub const ADJ_TIMECONST: ::c_uint = 0x0020;
1221 pub const ADJ_TAI: ::c_uint = 0x0080;
1222 pub const ADJ_SETOFFSET: ::c_uint = 0x0100;
1223 pub const ADJ_MICRO: ::c_uint = 0x1000;
1224 pub const ADJ_NANO: ::c_uint = 0x2000;
1225 pub const ADJ_TICK: ::c_uint = 0x4000;
1226 pub const ADJ_OFFSET_SINGLESHOT: ::c_uint = 0x8001;
1227 pub const ADJ_OFFSET_SS_READ: ::c_uint = 0xa001;
1228 pub const MOD_OFFSET: ::c_uint = ADJ_OFFSET;
1229 pub const MOD_FREQUENCY: ::c_uint = ADJ_FREQUENCY;
1230 pub const MOD_MAXERROR: ::c_uint = ADJ_MAXERROR;
1231 pub const MOD_ESTERROR: ::c_uint = ADJ_ESTERROR;
1232 pub const MOD_STATUS: ::c_uint = ADJ_STATUS;
1233 pub const MOD_TIMECONST: ::c_uint = ADJ_TIMECONST;
1234 pub const MOD_CLKB: ::c_uint = ADJ_TICK;
1235 pub const MOD_CLKA: ::c_uint = ADJ_OFFSET_SINGLESHOT;
1236 pub const MOD_TAI: ::c_uint = ADJ_TAI;
1237 pub const MOD_MICRO: ::c_uint = ADJ_MICRO;
1238 pub const MOD_NANO: ::c_uint = ADJ_NANO;
1239 pub const STA_PLL: ::c_int = 0x0001;
1240 pub const STA_PPSFREQ: ::c_int = 0x0002;
1241 pub const STA_PPSTIME: ::c_int = 0x0004;
1242 pub const STA_FLL: ::c_int = 0x0008;
1243 pub const STA_INS: ::c_int = 0x0010;
1244 pub const STA_DEL: ::c_int = 0x0020;
1245 pub const STA_UNSYNC: ::c_int = 0x0040;
1246 pub const STA_FREQHOLD: ::c_int = 0x0080;
1247 pub const STA_PPSSIGNAL: ::c_int = 0x0100;
1248 pub const STA_PPSJITTER: ::c_int = 0x0200;
1249 pub const STA_PPSWANDER: ::c_int = 0x0400;
1250 pub const STA_PPSERROR: ::c_int = 0x0800;
1251 pub const STA_CLOCKERR: ::c_int = 0x1000;
1252 pub const STA_NANO: ::c_int = 0x2000;
1253 pub const STA_MODE: ::c_int = 0x4000;
1254 pub const STA_CLK: ::c_int = 0x8000;
1255 pub const STA_RONLY: ::c_int = STA_PPSSIGNAL
1256     | STA_PPSJITTER
1257     | STA_PPSWANDER
1258     | STA_PPSERROR
1259     | STA_CLOCKERR
1260     | STA_NANO
1261     | STA_MODE
1262     | STA_CLK;
1263 pub const NTP_API: ::c_int = 4;
1264 pub const TIME_OK: ::c_int = 0;
1265 pub const TIME_INS: ::c_int = 1;
1266 pub const TIME_DEL: ::c_int = 2;
1267 pub const TIME_OOP: ::c_int = 3;
1268 pub const TIME_WAIT: ::c_int = 4;
1269 pub const TIME_ERROR: ::c_int = 5;
1270 pub const TIME_BAD: ::c_int = TIME_ERROR;
1271 pub const MAXTC: ::c_long = 6;
1272 
1273 // Portable GLOB_* flags are defined at the `linux_like` level.
1274 // The following are GNU extensions.
1275 pub const GLOB_PERIOD: ::c_int = 1 << 7;
1276 pub const GLOB_ALTDIRFUNC: ::c_int = 1 << 9;
1277 pub const GLOB_BRACE: ::c_int = 1 << 10;
1278 pub const GLOB_NOMAGIC: ::c_int = 1 << 11;
1279 pub const GLOB_TILDE: ::c_int = 1 << 12;
1280 pub const GLOB_ONLYDIR: ::c_int = 1 << 13;
1281 pub const GLOB_TILDE_CHECK: ::c_int = 1 << 14;
1282 
1283 pub const MADV_COLLAPSE: ::c_int = 25;
1284 
1285 cfg_if! {
1286     if #[cfg(any(
1287         target_arch = "arm",
1288         target_arch = "x86",
1289         target_arch = "x86_64",
1290         target_arch = "s390x",
1291         target_arch = "riscv64",
1292         target_arch = "riscv32"
1293     ))] {
1294         pub const PTHREAD_STACK_MIN: ::size_t = 16384;
1295     } else if #[cfg(any(target_arch = "sparc", target_arch = "sparc64"))] {
1296         pub const PTHREAD_STACK_MIN: ::size_t = 0x6000;
1297     } else {
1298         pub const PTHREAD_STACK_MIN: ::size_t = 131072;
1299     }
1300 }
1301 pub const PTHREAD_MUTEX_ADAPTIVE_NP: ::c_int = 3;
1302 
1303 pub const REG_STARTEND: ::c_int = 4;
1304 
1305 pub const REG_EEND: ::c_int = 14;
1306 pub const REG_ESIZE: ::c_int = 15;
1307 pub const REG_ERPAREN: ::c_int = 16;
1308 
1309 cfg_if! {
1310     if #[cfg(any(
1311         target_arch = "x86",
1312         target_arch = "x86_64",
1313         target_arch = "arm",
1314         target_arch = "aarch64",
1315         target_arch = "loongarch64",
1316         target_arch = "riscv64",
1317         target_arch = "s390x"
1318     ))] {
1319         pub const TUNSETCARRIER: ::Ioctl = 0x400454e2;
1320         pub const TUNGETDEVNETNS: ::Ioctl = 0x54e3;
1321     } else if #[cfg(any(
1322         target_arch = "mips",
1323         target_arch = "mips64",
1324         target_arch = "powerpc",
1325         target_arch = "powerpc64",
1326         target_arch = "sparc",
1327         target_arch = "sparc64"
1328     ))] {
1329         pub const TUNSETCARRIER: ::Ioctl = 0x800454e2;
1330         pub const TUNGETDEVNETNS: ::Ioctl = 0x200054e3;
1331     } else {
1332         // Unknown target_arch
1333     }
1334 }
1335 
1336 extern "C" {
1337     pub fn fgetspent_r(
1338         fp: *mut ::FILE,
1339         spbuf: *mut ::spwd,
1340         buf: *mut ::c_char,
1341         buflen: ::size_t,
1342         spbufp: *mut *mut ::spwd,
1343     ) -> ::c_int;
1344     pub fn sgetspent_r(
1345         s: *const ::c_char,
1346         spbuf: *mut ::spwd,
1347         buf: *mut ::c_char,
1348         buflen: ::size_t,
1349         spbufp: *mut *mut ::spwd,
1350     ) -> ::c_int;
1351     pub fn getspent_r(
1352         spbuf: *mut ::spwd,
1353         buf: *mut ::c_char,
1354         buflen: ::size_t,
1355         spbufp: *mut *mut ::spwd,
1356     ) -> ::c_int;
1357     pub fn qsort_r(
1358         base: *mut ::c_void,
1359         num: ::size_t,
1360         size: ::size_t,
1361         compar: ::Option<
1362             unsafe extern "C" fn(*const ::c_void, *const ::c_void, *mut ::c_void) -> ::c_int,
1363         >,
1364         arg: *mut ::c_void,
1365     );
1366     pub fn sendmmsg(
1367         sockfd: ::c_int,
1368         msgvec: *mut ::mmsghdr,
1369         vlen: ::c_uint,
1370         flags: ::c_int,
1371     ) -> ::c_int;
1372     pub fn recvmmsg(
1373         sockfd: ::c_int,
1374         msgvec: *mut ::mmsghdr,
1375         vlen: ::c_uint,
1376         flags: ::c_int,
1377         timeout: *mut ::timespec,
1378     ) -> ::c_int;
1379 
1380     pub fn getrlimit64(resource: ::__rlimit_resource_t, rlim: *mut ::rlimit64) -> ::c_int;
1381     pub fn setrlimit64(resource: ::__rlimit_resource_t, rlim: *const ::rlimit64) -> ::c_int;
1382     pub fn getrlimit(resource: ::__rlimit_resource_t, rlim: *mut ::rlimit) -> ::c_int;
1383     pub fn setrlimit(resource: ::__rlimit_resource_t, rlim: *const ::rlimit) -> ::c_int;
1384     pub fn prlimit(
1385         pid: ::pid_t,
1386         resource: ::__rlimit_resource_t,
1387         new_limit: *const ::rlimit,
1388         old_limit: *mut ::rlimit,
1389     ) -> ::c_int;
1390     pub fn prlimit64(
1391         pid: ::pid_t,
1392         resource: ::__rlimit_resource_t,
1393         new_limit: *const ::rlimit64,
1394         old_limit: *mut ::rlimit64,
1395     ) -> ::c_int;
1396     pub fn utmpname(file: *const ::c_char) -> ::c_int;
1397     pub fn utmpxname(file: *const ::c_char) -> ::c_int;
1398     pub fn getutxent() -> *mut utmpx;
1399     pub fn getutxid(ut: *const utmpx) -> *mut utmpx;
1400     pub fn getutxline(ut: *const utmpx) -> *mut utmpx;
1401     pub fn pututxline(ut: *const utmpx) -> *mut utmpx;
1402     pub fn setutxent();
1403     pub fn endutxent();
1404     pub fn getpt() -> ::c_int;
1405     pub fn mallopt(param: ::c_int, value: ::c_int) -> ::c_int;
1406     pub fn gettimeofday(tp: *mut ::timeval, tz: *mut ::timezone) -> ::c_int;
1407     pub fn statx(
1408         dirfd: ::c_int,
1409         pathname: *const c_char,
1410         flags: ::c_int,
1411         mask: ::c_uint,
1412         statxbuf: *mut statx,
1413     ) -> ::c_int;
1414     pub fn getentropy(buf: *mut ::c_void, buflen: ::size_t) -> ::c_int;
1415     pub fn getrandom(buf: *mut ::c_void, buflen: ::size_t, flags: ::c_uint) -> ::ssize_t;
1416     pub fn getauxval(type_: ::c_ulong) -> ::c_ulong;
1417 
1418     pub fn adjtimex(buf: *mut timex) -> ::c_int;
1419     pub fn ntp_adjtime(buf: *mut timex) -> ::c_int;
1420     #[link_name = "ntp_gettimex"]
1421     pub fn ntp_gettime(buf: *mut ntptimeval) -> ::c_int;
1422     pub fn clock_adjtime(clk_id: ::clockid_t, buf: *mut ::timex) -> ::c_int;
1423 
1424     pub fn fanotify_mark(
1425         fd: ::c_int,
1426         flags: ::c_uint,
1427         mask: u64,
1428         dirfd: ::c_int,
1429         path: *const ::c_char,
1430     ) -> ::c_int;
1431     pub fn preadv2(
1432         fd: ::c_int,
1433         iov: *const ::iovec,
1434         iovcnt: ::c_int,
1435         offset: ::off_t,
1436         flags: ::c_int,
1437     ) -> ::ssize_t;
1438     pub fn pwritev2(
1439         fd: ::c_int,
1440         iov: *const ::iovec,
1441         iovcnt: ::c_int,
1442         offset: ::off_t,
1443         flags: ::c_int,
1444     ) -> ::ssize_t;
1445     pub fn preadv64v2(
1446         fd: ::c_int,
1447         iov: *const ::iovec,
1448         iovcnt: ::c_int,
1449         offset: ::off64_t,
1450         flags: ::c_int,
1451     ) -> ::ssize_t;
1452     pub fn pwritev64v2(
1453         fd: ::c_int,
1454         iov: *const ::iovec,
1455         iovcnt: ::c_int,
1456         offset: ::off64_t,
1457         flags: ::c_int,
1458     ) -> ::ssize_t;
1459     pub fn renameat2(
1460         olddirfd: ::c_int,
1461         oldpath: *const ::c_char,
1462         newdirfd: ::c_int,
1463         newpath: *const ::c_char,
1464         flags: ::c_uint,
1465     ) -> ::c_int;
1466 
1467     // Added in `glibc` 2.25
1468     pub fn explicit_bzero(s: *mut ::c_void, len: ::size_t);
1469     // Added in `glibc` 2.29
1470     pub fn reallocarray(ptr: *mut ::c_void, nmemb: ::size_t, size: ::size_t) -> *mut ::c_void;
1471 
1472     pub fn ctermid(s: *mut ::c_char) -> *mut ::c_char;
1473     pub fn backtrace(buf: *mut *mut ::c_void, sz: ::c_int) -> ::c_int;
1474     pub fn glob64(
1475         pattern: *const ::c_char,
1476         flags: ::c_int,
1477         errfunc: ::Option<extern "C" fn(epath: *const ::c_char, errno: ::c_int) -> ::c_int>,
1478         pglob: *mut glob64_t,
1479     ) -> ::c_int;
1480     pub fn globfree64(pglob: *mut glob64_t);
1481     pub fn ptrace(request: ::c_uint, ...) -> ::c_long;
1482     pub fn pthread_attr_getaffinity_np(
1483         attr: *const ::pthread_attr_t,
1484         cpusetsize: ::size_t,
1485         cpuset: *mut ::cpu_set_t,
1486     ) -> ::c_int;
1487     pub fn pthread_attr_setaffinity_np(
1488         attr: *mut ::pthread_attr_t,
1489         cpusetsize: ::size_t,
1490         cpuset: *const ::cpu_set_t,
1491     ) -> ::c_int;
1492     pub fn getpriority(which: ::__priority_which_t, who: ::id_t) -> ::c_int;
1493     pub fn setpriority(which: ::__priority_which_t, who: ::id_t, prio: ::c_int) -> ::c_int;
1494     pub fn pthread_rwlockattr_getkind_np(
1495         attr: *const ::pthread_rwlockattr_t,
1496         val: *mut ::c_int,
1497     ) -> ::c_int;
1498     pub fn pthread_rwlockattr_setkind_np(
1499         attr: *mut ::pthread_rwlockattr_t,
1500         val: ::c_int,
1501     ) -> ::c_int;
1502     pub fn pthread_sigqueue(thread: ::pthread_t, sig: ::c_int, value: ::sigval) -> ::c_int;
1503     pub fn mallinfo() -> ::mallinfo;
1504     pub fn mallinfo2() -> ::mallinfo2;
1505     pub fn malloc_stats();
1506     pub fn malloc_info(options: ::c_int, stream: *mut ::FILE) -> ::c_int;
1507     pub fn malloc_usable_size(ptr: *mut ::c_void) -> ::size_t;
1508     pub fn getpwent_r(
1509         pwd: *mut ::passwd,
1510         buf: *mut ::c_char,
1511         buflen: ::size_t,
1512         result: *mut *mut ::passwd,
1513     ) -> ::c_int;
1514     pub fn getgrent_r(
1515         grp: *mut ::group,
1516         buf: *mut ::c_char,
1517         buflen: ::size_t,
1518         result: *mut *mut ::group,
1519     ) -> ::c_int;
1520     pub fn fgetpwent_r(
1521         stream: *mut ::FILE,
1522         pwd: *mut ::passwd,
1523         buf: *mut ::c_char,
1524         buflen: ::size_t,
1525         result: *mut *mut ::passwd,
1526     ) -> ::c_int;
1527     pub fn fgetgrent_r(
1528         stream: *mut ::FILE,
1529         grp: *mut ::group,
1530         buf: *mut ::c_char,
1531         buflen: ::size_t,
1532         result: *mut *mut ::group,
1533     ) -> ::c_int;
1534 
1535     pub fn putpwent(p: *const ::passwd, stream: *mut ::FILE) -> ::c_int;
1536     pub fn putgrent(grp: *const ::group, stream: *mut ::FILE) -> ::c_int;
1537 
1538     pub fn sethostid(hostid: ::c_long) -> ::c_int;
1539 
1540     pub fn memfd_create(name: *const ::c_char, flags: ::c_uint) -> ::c_int;
1541     pub fn mlock2(addr: *const ::c_void, len: ::size_t, flags: ::c_uint) -> ::c_int;
1542 
1543     pub fn euidaccess(pathname: *const ::c_char, mode: ::c_int) -> ::c_int;
1544     pub fn eaccess(pathname: *const ::c_char, mode: ::c_int) -> ::c_int;
1545 
1546     pub fn asctime_r(tm: *const ::tm, buf: *mut ::c_char) -> *mut ::c_char;
1547     pub fn ctime_r(timep: *const time_t, buf: *mut ::c_char) -> *mut ::c_char;
1548 
1549     pub fn dirname(path: *mut ::c_char) -> *mut ::c_char;
1550     /// POSIX version of `basename(3)`, defined in `libgen.h`.
1551     #[link_name = "__xpg_basename"]
1552     pub fn posix_basename(path: *mut ::c_char) -> *mut ::c_char;
1553     /// GNU version of `basename(3)`, defined in `string.h`.
1554     #[link_name = "basename"]
1555     pub fn gnu_basename(path: *const ::c_char) -> *mut ::c_char;
1556     pub fn dlmopen(lmid: Lmid_t, filename: *const ::c_char, flag: ::c_int) -> *mut ::c_void;
1557     pub fn dlinfo(handle: *mut ::c_void, request: ::c_int, info: *mut ::c_void) -> ::c_int;
1558     pub fn dladdr1(
1559         addr: *const ::c_void,
1560         info: *mut ::Dl_info,
1561         extra_info: *mut *mut ::c_void,
1562         flags: ::c_int,
1563     ) -> ::c_int;
1564     pub fn malloc_trim(__pad: ::size_t) -> ::c_int;
1565     pub fn gnu_get_libc_release() -> *const ::c_char;
1566     pub fn gnu_get_libc_version() -> *const ::c_char;
1567 
1568     // posix/spawn.h
1569     // Added in `glibc` 2.29
1570     pub fn posix_spawn_file_actions_addchdir_np(
1571         actions: *mut ::posix_spawn_file_actions_t,
1572         path: *const ::c_char,
1573     ) -> ::c_int;
1574     // Added in `glibc` 2.29
1575     pub fn posix_spawn_file_actions_addfchdir_np(
1576         actions: *mut ::posix_spawn_file_actions_t,
1577         fd: ::c_int,
1578     ) -> ::c_int;
1579     // Added in `glibc` 2.34
1580     pub fn posix_spawn_file_actions_addclosefrom_np(
1581         actions: *mut ::posix_spawn_file_actions_t,
1582         from: ::c_int,
1583     ) -> ::c_int;
1584     // Added in `glibc` 2.35
1585     pub fn posix_spawn_file_actions_addtcsetpgrp_np(
1586         actions: *mut ::posix_spawn_file_actions_t,
1587         tcfd: ::c_int,
1588     ) -> ::c_int;
1589 
1590     // mntent.h
1591     pub fn getmntent_r(
1592         stream: *mut ::FILE,
1593         mntbuf: *mut ::mntent,
1594         buf: *mut ::c_char,
1595         buflen: ::c_int,
1596     ) -> *mut ::mntent;
1597 
1598     pub fn execveat(
1599         dirfd: ::c_int,
1600         pathname: *const ::c_char,
1601         argv: *const *mut c_char,
1602         envp: *const *mut c_char,
1603         flags: ::c_int,
1604     ) -> ::c_int;
1605 
1606     // Added in `glibc` 2.34
1607     pub fn close_range(first: ::c_uint, last: ::c_uint, flags: ::c_int) -> ::c_int;
1608 
1609     pub fn mq_notify(mqdes: ::mqd_t, sevp: *const ::sigevent) -> ::c_int;
1610 
1611     pub fn epoll_pwait2(
1612         epfd: ::c_int,
1613         events: *mut ::epoll_event,
1614         maxevents: ::c_int,
1615         timeout: *const ::timespec,
1616         sigmask: *const ::sigset_t,
1617     ) -> ::c_int;
1618 }
1619 
1620 cfg_if! {
1621     if #[cfg(any(
1622         target_arch = "x86",
1623         target_arch = "arm",
1624         target_arch = "m68k",
1625         target_arch = "csky",
1626         target_arch = "mips",
1627         target_arch = "mips32r6",
1628         target_arch = "powerpc",
1629         target_arch = "sparc",
1630         target_arch = "riscv32"
1631     ))] {
1632         mod b32;
1633         pub use self::b32::*;
1634     } else if #[cfg(any(
1635         target_arch = "x86_64",
1636         target_arch = "aarch64",
1637         target_arch = "powerpc64",
1638         target_arch = "mips64",
1639         target_arch = "mips64r6",
1640         target_arch = "s390x",
1641         target_arch = "sparc64",
1642         target_arch = "riscv64",
1643         target_arch = "loongarch64"
1644     ))] {
1645         mod b64;
1646         pub use self::b64::*;
1647     } else {
1648         // Unknown target_arch
1649     }
1650 }
1651