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