1 pub type sa_family_t = u16;
2 pub type speed_t = ::c_uint;
3 pub type tcflag_t = ::c_uint;
4 pub type clockid_t = ::c_int;
5 pub type timer_t = *mut ::c_void;
6 pub type key_t = ::c_int;
7 pub type id_t = ::c_uint;
8 
9 missing! {
10     #[cfg_attr(feature = "extra_traits", derive(Debug))]
11     pub enum timezone {}
12 }
13 
14 s! {
15     pub struct in_addr {
16         pub s_addr: ::in_addr_t,
17     }
18 
19     pub struct ip_mreq {
20         pub imr_multiaddr: in_addr,
21         pub imr_interface: in_addr,
22     }
23 
24     pub struct ip_mreqn {
25         pub imr_multiaddr: in_addr,
26         pub imr_address: in_addr,
27         pub imr_ifindex: ::c_int,
28     }
29 
30     pub struct ip_mreq_source {
31         pub imr_multiaddr: in_addr,
32         pub imr_interface: in_addr,
33         pub imr_sourceaddr: in_addr,
34     }
35 
36     pub struct sockaddr {
37         pub sa_family: sa_family_t,
38         pub sa_data: [::c_char; 14],
39     }
40 
41     pub struct sockaddr_in {
42         pub sin_family: sa_family_t,
43         pub sin_port: ::in_port_t,
44         pub sin_addr: ::in_addr,
45         pub sin_zero: [u8; 8],
46     }
47 
48     pub struct sockaddr_in6 {
49         pub sin6_family: sa_family_t,
50         pub sin6_port: ::in_port_t,
51         pub sin6_flowinfo: u32,
52         pub sin6_addr: ::in6_addr,
53         pub sin6_scope_id: u32,
54     }
55 
56     // The order of the `ai_addr` field in this struct is crucial
57     // for converting between the Rust and C types.
58     pub struct addrinfo {
59         pub ai_flags: ::c_int,
60         pub ai_family: ::c_int,
61         pub ai_socktype: ::c_int,
62         pub ai_protocol: ::c_int,
63         pub ai_addrlen: socklen_t,
64 
65         #[cfg(any(target_os = "linux", target_os = "emscripten"))]
66         pub ai_addr: *mut ::sockaddr,
67 
68         pub ai_canonname: *mut c_char,
69 
70         #[cfg(target_os = "android")]
71         pub ai_addr: *mut ::sockaddr,
72 
73         pub ai_next: *mut addrinfo,
74     }
75 
76     pub struct sockaddr_ll {
77         pub sll_family: ::c_ushort,
78         pub sll_protocol: ::c_ushort,
79         pub sll_ifindex: ::c_int,
80         pub sll_hatype: ::c_ushort,
81         pub sll_pkttype: ::c_uchar,
82         pub sll_halen: ::c_uchar,
83         pub sll_addr: [::c_uchar; 8],
84     }
85 
86     pub struct fd_set {
87         fds_bits: [::c_ulong; FD_SETSIZE as usize / ULONG_SIZE],
88     }
89 
90     pub struct tm {
91         pub tm_sec: ::c_int,
92         pub tm_min: ::c_int,
93         pub tm_hour: ::c_int,
94         pub tm_mday: ::c_int,
95         pub tm_mon: ::c_int,
96         pub tm_year: ::c_int,
97         pub tm_wday: ::c_int,
98         pub tm_yday: ::c_int,
99         pub tm_isdst: ::c_int,
100         pub tm_gmtoff: ::c_long,
101         pub tm_zone: *const ::c_char,
102     }
103 
104     pub struct sched_param {
105         pub sched_priority: ::c_int,
106         #[cfg(any(target_env = "musl", target_os = "emscripten", target_env = "ohos"))]
107         pub sched_ss_low_priority: ::c_int,
108         #[cfg(any(target_env = "musl", target_os = "emscripten", target_env = "ohos"))]
109         pub sched_ss_repl_period: ::timespec,
110         #[cfg(any(target_env = "musl", target_os = "emscripten", target_env = "ohos"))]
111         pub sched_ss_init_budget: ::timespec,
112         #[cfg(any(target_env = "musl", target_os = "emscripten", target_env = "ohos"))]
113         pub sched_ss_max_repl: ::c_int,
114     }
115 
116     pub struct Dl_info {
117         pub dli_fname: *const ::c_char,
118         pub dli_fbase: *mut ::c_void,
119         pub dli_sname: *const ::c_char,
120         pub dli_saddr: *mut ::c_void,
121     }
122 
123     pub struct lconv {
124         pub decimal_point: *mut ::c_char,
125         pub thousands_sep: *mut ::c_char,
126         pub grouping: *mut ::c_char,
127         pub int_curr_symbol: *mut ::c_char,
128         pub currency_symbol: *mut ::c_char,
129         pub mon_decimal_point: *mut ::c_char,
130         pub mon_thousands_sep: *mut ::c_char,
131         pub mon_grouping: *mut ::c_char,
132         pub positive_sign: *mut ::c_char,
133         pub negative_sign: *mut ::c_char,
134         pub int_frac_digits: ::c_char,
135         pub frac_digits: ::c_char,
136         pub p_cs_precedes: ::c_char,
137         pub p_sep_by_space: ::c_char,
138         pub n_cs_precedes: ::c_char,
139         pub n_sep_by_space: ::c_char,
140         pub p_sign_posn: ::c_char,
141         pub n_sign_posn: ::c_char,
142         pub int_p_cs_precedes: ::c_char,
143         pub int_p_sep_by_space: ::c_char,
144         pub int_n_cs_precedes: ::c_char,
145         pub int_n_sep_by_space: ::c_char,
146         pub int_p_sign_posn: ::c_char,
147         pub int_n_sign_posn: ::c_char,
148     }
149 
150     pub struct in_pktinfo {
151         pub ipi_ifindex: ::c_int,
152         pub ipi_spec_dst: ::in_addr,
153         pub ipi_addr: ::in_addr,
154     }
155 
156     pub struct ifaddrs {
157         pub ifa_next: *mut ifaddrs,
158         pub ifa_name: *mut c_char,
159         pub ifa_flags: ::c_uint,
160         pub ifa_addr: *mut ::sockaddr,
161         pub ifa_netmask: *mut ::sockaddr,
162         pub ifa_ifu: *mut ::sockaddr, // FIXME This should be a union
163         pub ifa_data: *mut ::c_void,
164     }
165 
166     pub struct in6_rtmsg {
167         rtmsg_dst: ::in6_addr,
168         rtmsg_src: ::in6_addr,
169         rtmsg_gateway: ::in6_addr,
170         rtmsg_type: u32,
171         rtmsg_dst_len: u16,
172         rtmsg_src_len: u16,
173         rtmsg_metric: u32,
174         rtmsg_info: ::c_ulong,
175         rtmsg_flags: u32,
176         rtmsg_ifindex: ::c_int,
177     }
178 
179     pub struct arpreq {
180         pub arp_pa: ::sockaddr,
181         pub arp_ha: ::sockaddr,
182         pub arp_flags: ::c_int,
183         pub arp_netmask: ::sockaddr,
184         pub arp_dev: [::c_char; 16],
185     }
186 
187     pub struct arpreq_old {
188         pub arp_pa: ::sockaddr,
189         pub arp_ha: ::sockaddr,
190         pub arp_flags: ::c_int,
191         pub arp_netmask: ::sockaddr,
192     }
193 
194     pub struct arphdr {
195         pub ar_hrd: u16,
196         pub ar_pro: u16,
197         pub ar_hln: u8,
198         pub ar_pln: u8,
199         pub ar_op: u16,
200     }
201 
202     pub struct mmsghdr {
203         pub msg_hdr: ::msghdr,
204         pub msg_len: ::c_uint,
205     }
206 }
207 
208 s_no_extra_traits! {
209     #[cfg_attr(
210         any(
211             all(
212                 target_arch = "x86",
213                 not(target_env = "musl"),
214                 not(target_os = "android")
215             ),
216             target_arch = "x86_64"
217         ),
218         repr(packed)
219     )]
220     pub struct epoll_event {
221         pub events: u32,
222         pub u64: u64,
223     }
224 
225     pub struct sockaddr_un {
226         pub sun_family: sa_family_t,
227         pub sun_path: [::c_char; 108],
228     }
229 
230     pub struct sockaddr_storage {
231         pub ss_family: sa_family_t,
232         #[cfg(target_pointer_width = "32")]
233         __ss_pad2: [u8; 128 - 2 - 4],
234         #[cfg(target_pointer_width = "64")]
235         __ss_pad2: [u8; 128 - 2 - 8],
236         __ss_align: ::size_t,
237     }
238 
239     pub struct utsname {
240         pub sysname: [::c_char; 65],
241         pub nodename: [::c_char; 65],
242         pub release: [::c_char; 65],
243         pub version: [::c_char; 65],
244         pub machine: [::c_char; 65],
245         pub domainname: [::c_char; 65],
246     }
247 
248     pub struct sigevent {
249         pub sigev_value: ::sigval,
250         pub sigev_signo: ::c_int,
251         pub sigev_notify: ::c_int,
252         // Actually a union.  We only expose sigev_notify_thread_id because it's
253         // the most useful member
254         pub sigev_notify_thread_id: ::c_int,
255         #[cfg(target_pointer_width = "64")]
256         __unused1: [::c_int; 11],
257         #[cfg(target_pointer_width = "32")]
258         __unused1: [::c_int; 12],
259     }
260 }
261 
262 cfg_if! {
263     if #[cfg(feature = "extra_traits")] {
264         impl PartialEq for epoll_event {
265             fn eq(&self, other: &epoll_event) -> bool {
266                 self.events == other.events && self.u64 == other.u64
267             }
268         }
269         impl Eq for epoll_event {}
270         impl ::fmt::Debug for epoll_event {
271             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
272                 let events = self.events;
273                 let u64 = self.u64;
274                 f.debug_struct("epoll_event")
275                     .field("events", &events)
276                     .field("u64", &u64)
277                     .finish()
278             }
279         }
280         impl ::hash::Hash for epoll_event {
281             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
282                 let events = self.events;
283                 let u64 = self.u64;
284                 events.hash(state);
285                 u64.hash(state);
286             }
287         }
288 
289         impl PartialEq for sockaddr_un {
290             fn eq(&self, other: &sockaddr_un) -> bool {
291                 self.sun_family == other.sun_family
292                     && self
293                         .sun_path
294                         .iter()
295                         .zip(other.sun_path.iter())
296                         .all(|(a, b)| a == b)
297             }
298         }
299         impl Eq for sockaddr_un {}
300         impl ::fmt::Debug for sockaddr_un {
301             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
302                 f.debug_struct("sockaddr_un")
303                     .field("sun_family", &self.sun_family)
304                     // FIXME: .field("sun_path", &self.sun_path)
305                     .finish()
306             }
307         }
308         impl ::hash::Hash for sockaddr_un {
309             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
310                 self.sun_family.hash(state);
311                 self.sun_path.hash(state);
312             }
313         }
314 
315         impl PartialEq for sockaddr_storage {
316             fn eq(&self, other: &sockaddr_storage) -> bool {
317                 self.ss_family == other.ss_family
318                     && self
319                         .__ss_pad2
320                         .iter()
321                         .zip(other.__ss_pad2.iter())
322                         .all(|(a, b)| a == b)
323             }
324         }
325 
326         impl Eq for sockaddr_storage {}
327 
328         impl ::fmt::Debug for sockaddr_storage {
329             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
330                 f.debug_struct("sockaddr_storage")
331                     .field("ss_family", &self.ss_family)
332                     .field("__ss_align", &self.__ss_align)
333                     // FIXME: .field("__ss_pad2", &self.__ss_pad2)
334                     .finish()
335             }
336         }
337 
338         impl ::hash::Hash for sockaddr_storage {
339             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
340                 self.ss_family.hash(state);
341                 self.__ss_pad2.hash(state);
342             }
343         }
344 
345         impl PartialEq for utsname {
346             fn eq(&self, other: &utsname) -> bool {
347                 self.sysname
348                     .iter()
349                     .zip(other.sysname.iter())
350                     .all(|(a, b)| a == b)
351                     && self
352                         .nodename
353                         .iter()
354                         .zip(other.nodename.iter())
355                         .all(|(a, b)| a == b)
356                     && self
357                         .release
358                         .iter()
359                         .zip(other.release.iter())
360                         .all(|(a, b)| a == b)
361                     && self
362                         .version
363                         .iter()
364                         .zip(other.version.iter())
365                         .all(|(a, b)| a == b)
366                     && self
367                         .machine
368                         .iter()
369                         .zip(other.machine.iter())
370                         .all(|(a, b)| a == b)
371                     && self
372                         .domainname
373                         .iter()
374                         .zip(other.domainname.iter())
375                         .all(|(a, b)| a == b)
376             }
377         }
378 
379         impl Eq for utsname {}
380 
381         impl ::fmt::Debug for utsname {
382             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
383                 f.debug_struct("utsname")
384                     // FIXME: .field("sysname", &self.sysname)
385                     // FIXME: .field("nodename", &self.nodename)
386                     // FIXME: .field("release", &self.release)
387                     // FIXME: .field("version", &self.version)
388                     // FIXME: .field("machine", &self.machine)
389                     // FIXME: .field("domainname", &self.domainname)
390                     .finish()
391             }
392         }
393 
394         impl ::hash::Hash for utsname {
395             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
396                 self.sysname.hash(state);
397                 self.nodename.hash(state);
398                 self.release.hash(state);
399                 self.version.hash(state);
400                 self.machine.hash(state);
401                 self.domainname.hash(state);
402             }
403         }
404 
405         impl PartialEq for sigevent {
406             fn eq(&self, other: &sigevent) -> bool {
407                 self.sigev_value == other.sigev_value
408                     && self.sigev_signo == other.sigev_signo
409                     && self.sigev_notify == other.sigev_notify
410                     && self.sigev_notify_thread_id == other.sigev_notify_thread_id
411             }
412         }
413         impl Eq for sigevent {}
414         impl ::fmt::Debug for sigevent {
415             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
416                 f.debug_struct("sigevent")
417                     .field("sigev_value", &self.sigev_value)
418                     .field("sigev_signo", &self.sigev_signo)
419                     .field("sigev_notify", &self.sigev_notify)
420                     .field("sigev_notify_thread_id", &self.sigev_notify_thread_id)
421                     .finish()
422             }
423         }
424         impl ::hash::Hash for sigevent {
425             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
426                 self.sigev_value.hash(state);
427                 self.sigev_signo.hash(state);
428                 self.sigev_notify.hash(state);
429                 self.sigev_notify_thread_id.hash(state);
430             }
431         }
432     }
433 }
434 
435 // intentionally not public, only used for fd_set
436 cfg_if! {
437     if #[cfg(target_pointer_width = "32")] {
438         const ULONG_SIZE: usize = 32;
439     } else if #[cfg(target_pointer_width = "64")] {
440         const ULONG_SIZE: usize = 64;
441     } else {
442         // Unknown target_pointer_width
443     }
444 }
445 
446 pub const EXIT_FAILURE: ::c_int = 1;
447 pub const EXIT_SUCCESS: ::c_int = 0;
448 pub const RAND_MAX: ::c_int = 2147483647;
449 pub const EOF: ::c_int = -1;
450 pub const SEEK_SET: ::c_int = 0;
451 pub const SEEK_CUR: ::c_int = 1;
452 pub const SEEK_END: ::c_int = 2;
453 pub const _IOFBF: ::c_int = 0;
454 pub const _IONBF: ::c_int = 2;
455 pub const _IOLBF: ::c_int = 1;
456 
457 pub const F_DUPFD: ::c_int = 0;
458 pub const F_GETFD: ::c_int = 1;
459 pub const F_SETFD: ::c_int = 2;
460 pub const F_GETFL: ::c_int = 3;
461 pub const F_SETFL: ::c_int = 4;
462 
463 // Linux-specific fcntls
464 pub const F_SETLEASE: ::c_int = 1024;
465 pub const F_GETLEASE: ::c_int = 1025;
466 pub const F_NOTIFY: ::c_int = 1026;
467 pub const F_CANCELLK: ::c_int = 1029;
468 pub const F_DUPFD_CLOEXEC: ::c_int = 1030;
469 pub const F_SETPIPE_SZ: ::c_int = 1031;
470 pub const F_GETPIPE_SZ: ::c_int = 1032;
471 pub const F_ADD_SEALS: ::c_int = 1033;
472 pub const F_GET_SEALS: ::c_int = 1034;
473 
474 pub const F_SEAL_SEAL: ::c_int = 0x0001;
475 pub const F_SEAL_SHRINK: ::c_int = 0x0002;
476 pub const F_SEAL_GROW: ::c_int = 0x0004;
477 pub const F_SEAL_WRITE: ::c_int = 0x0008;
478 
479 // FIXME(#235): Include file sealing fcntls once we have a way to verify them.
480 
481 pub const SIGTRAP: ::c_int = 5;
482 
483 pub const PTHREAD_CREATE_JOINABLE: ::c_int = 0;
484 pub const PTHREAD_CREATE_DETACHED: ::c_int = 1;
485 
486 pub const CLOCK_REALTIME: ::clockid_t = 0;
487 pub const CLOCK_MONOTONIC: ::clockid_t = 1;
488 pub const CLOCK_PROCESS_CPUTIME_ID: ::clockid_t = 2;
489 pub const CLOCK_THREAD_CPUTIME_ID: ::clockid_t = 3;
490 pub const CLOCK_MONOTONIC_RAW: ::clockid_t = 4;
491 pub const CLOCK_REALTIME_COARSE: ::clockid_t = 5;
492 pub const CLOCK_MONOTONIC_COARSE: ::clockid_t = 6;
493 pub const CLOCK_BOOTTIME: ::clockid_t = 7;
494 pub const CLOCK_REALTIME_ALARM: ::clockid_t = 8;
495 pub const CLOCK_BOOTTIME_ALARM: ::clockid_t = 9;
496 pub const CLOCK_TAI: ::clockid_t = 11;
497 pub const TIMER_ABSTIME: ::c_int = 1;
498 
499 pub const RUSAGE_SELF: ::c_int = 0;
500 
501 pub const O_RDONLY: ::c_int = 0;
502 pub const O_WRONLY: ::c_int = 1;
503 pub const O_RDWR: ::c_int = 2;
504 
505 pub const SOCK_CLOEXEC: ::c_int = O_CLOEXEC;
506 
507 pub const S_IFIFO: ::mode_t = 0o1_0000;
508 pub const S_IFCHR: ::mode_t = 0o2_0000;
509 pub const S_IFBLK: ::mode_t = 0o6_0000;
510 pub const S_IFDIR: ::mode_t = 0o4_0000;
511 pub const S_IFREG: ::mode_t = 0o10_0000;
512 pub const S_IFLNK: ::mode_t = 0o12_0000;
513 pub const S_IFSOCK: ::mode_t = 0o14_0000;
514 pub const S_IFMT: ::mode_t = 0o17_0000;
515 pub const S_IRWXU: ::mode_t = 0o0700;
516 pub const S_IXUSR: ::mode_t = 0o0100;
517 pub const S_IWUSR: ::mode_t = 0o0200;
518 pub const S_IRUSR: ::mode_t = 0o0400;
519 pub const S_IRWXG: ::mode_t = 0o0070;
520 pub const S_IXGRP: ::mode_t = 0o0010;
521 pub const S_IWGRP: ::mode_t = 0o0020;
522 pub const S_IRGRP: ::mode_t = 0o0040;
523 pub const S_IRWXO: ::mode_t = 0o0007;
524 pub const S_IXOTH: ::mode_t = 0o0001;
525 pub const S_IWOTH: ::mode_t = 0o0002;
526 pub const S_IROTH: ::mode_t = 0o0004;
527 pub const F_OK: ::c_int = 0;
528 pub const R_OK: ::c_int = 4;
529 pub const W_OK: ::c_int = 2;
530 pub const X_OK: ::c_int = 1;
531 pub const STDIN_FILENO: ::c_int = 0;
532 pub const STDOUT_FILENO: ::c_int = 1;
533 pub const STDERR_FILENO: ::c_int = 2;
534 pub const SIGHUP: ::c_int = 1;
535 pub const SIGINT: ::c_int = 2;
536 pub const SIGQUIT: ::c_int = 3;
537 pub const SIGILL: ::c_int = 4;
538 pub const SIGABRT: ::c_int = 6;
539 pub const SIGFPE: ::c_int = 8;
540 pub const SIGKILL: ::c_int = 9;
541 pub const SIGSEGV: ::c_int = 11;
542 pub const SIGPIPE: ::c_int = 13;
543 pub const SIGALRM: ::c_int = 14;
544 pub const SIGTERM: ::c_int = 15;
545 
546 pub const PROT_NONE: ::c_int = 0;
547 pub const PROT_READ: ::c_int = 1;
548 pub const PROT_WRITE: ::c_int = 2;
549 pub const PROT_EXEC: ::c_int = 4;
550 
551 pub const XATTR_CREATE: ::c_int = 0x1;
552 pub const XATTR_REPLACE: ::c_int = 0x2;
553 
554 cfg_if! {
555     if #[cfg(target_os = "android")] {
556         pub const RLIM64_INFINITY: ::c_ulonglong = !0;
557     } else {
558         pub const RLIM64_INFINITY: ::rlim64_t = !0;
559     }
560 }
561 
562 cfg_if! {
563     if #[cfg(target_env = "ohos")] {
564         pub const LC_CTYPE: ::c_int = 0;
565         pub const LC_NUMERIC: ::c_int = 1;
566         pub const LC_TIME: ::c_int = 2;
567         pub const LC_COLLATE: ::c_int = 3;
568         pub const LC_MONETARY: ::c_int = 4;
569         pub const LC_MESSAGES: ::c_int = 5;
570         pub const LC_PAPER: ::c_int = 6;
571         pub const LC_NAME: ::c_int = 7;
572         pub const LC_ADDRESS: ::c_int = 8;
573         pub const LC_TELEPHONE: ::c_int = 9;
574         pub const LC_MEASUREMENT: ::c_int = 10;
575         pub const LC_IDENTIFICATION: ::c_int = 11;
576         pub const LC_ALL: ::c_int = 12;
577     } else if #[cfg(not(target_env = "uclibc"))] {
578         pub const LC_CTYPE: ::c_int = 0;
579         pub const LC_NUMERIC: ::c_int = 1;
580         pub const LC_TIME: ::c_int = 2;
581         pub const LC_COLLATE: ::c_int = 3;
582         pub const LC_MONETARY: ::c_int = 4;
583         pub const LC_MESSAGES: ::c_int = 5;
584         pub const LC_ALL: ::c_int = 6;
585     }
586 }
587 
588 pub const LC_CTYPE_MASK: ::c_int = 1 << LC_CTYPE;
589 pub const LC_NUMERIC_MASK: ::c_int = 1 << LC_NUMERIC;
590 pub const LC_TIME_MASK: ::c_int = 1 << LC_TIME;
591 pub const LC_COLLATE_MASK: ::c_int = 1 << LC_COLLATE;
592 pub const LC_MONETARY_MASK: ::c_int = 1 << LC_MONETARY;
593 pub const LC_MESSAGES_MASK: ::c_int = 1 << LC_MESSAGES;
594 // LC_ALL_MASK defined per platform
595 
596 pub const MAP_FILE: ::c_int = 0x0000;
597 pub const MAP_SHARED: ::c_int = 0x0001;
598 pub const MAP_PRIVATE: ::c_int = 0x0002;
599 pub const MAP_FIXED: ::c_int = 0x0010;
600 
601 pub const MAP_FAILED: *mut ::c_void = !0 as *mut ::c_void;
602 
603 // MS_ flags for msync(2)
604 pub const MS_ASYNC: ::c_int = 0x0001;
605 pub const MS_INVALIDATE: ::c_int = 0x0002;
606 pub const MS_SYNC: ::c_int = 0x0004;
607 
608 // MS_ flags for mount(2)
609 pub const MS_RDONLY: ::c_ulong = 0x01;
610 pub const MS_NOSUID: ::c_ulong = 0x02;
611 pub const MS_NODEV: ::c_ulong = 0x04;
612 pub const MS_NOEXEC: ::c_ulong = 0x08;
613 pub const MS_SYNCHRONOUS: ::c_ulong = 0x10;
614 pub const MS_REMOUNT: ::c_ulong = 0x20;
615 pub const MS_MANDLOCK: ::c_ulong = 0x40;
616 pub const MS_DIRSYNC: ::c_ulong = 0x80;
617 pub const MS_NOATIME: ::c_ulong = 0x0400;
618 pub const MS_NODIRATIME: ::c_ulong = 0x0800;
619 pub const MS_BIND: ::c_ulong = 0x1000;
620 pub const MS_MOVE: ::c_ulong = 0x2000;
621 pub const MS_REC: ::c_ulong = 0x4000;
622 pub const MS_SILENT: ::c_ulong = 0x8000;
623 pub const MS_POSIXACL: ::c_ulong = 0x010000;
624 pub const MS_UNBINDABLE: ::c_ulong = 0x020000;
625 pub const MS_PRIVATE: ::c_ulong = 0x040000;
626 pub const MS_SLAVE: ::c_ulong = 0x080000;
627 pub const MS_SHARED: ::c_ulong = 0x100000;
628 pub const MS_RELATIME: ::c_ulong = 0x200000;
629 pub const MS_KERNMOUNT: ::c_ulong = 0x400000;
630 pub const MS_I_VERSION: ::c_ulong = 0x800000;
631 pub const MS_STRICTATIME: ::c_ulong = 0x1000000;
632 pub const MS_LAZYTIME: ::c_ulong = 0x2000000;
633 pub const MS_ACTIVE: ::c_ulong = 0x40000000;
634 pub const MS_MGC_VAL: ::c_ulong = 0xc0ed0000;
635 pub const MS_MGC_MSK: ::c_ulong = 0xffff0000;
636 
637 pub const SCM_RIGHTS: ::c_int = 0x01;
638 pub const SCM_CREDENTIALS: ::c_int = 0x02;
639 
640 pub const PROT_GROWSDOWN: ::c_int = 0x1000000;
641 pub const PROT_GROWSUP: ::c_int = 0x2000000;
642 
643 pub const MAP_TYPE: ::c_int = 0x000f;
644 
645 pub const MADV_NORMAL: ::c_int = 0;
646 pub const MADV_RANDOM: ::c_int = 1;
647 pub const MADV_SEQUENTIAL: ::c_int = 2;
648 pub const MADV_WILLNEED: ::c_int = 3;
649 pub const MADV_DONTNEED: ::c_int = 4;
650 pub const MADV_FREE: ::c_int = 8;
651 pub const MADV_REMOVE: ::c_int = 9;
652 pub const MADV_DONTFORK: ::c_int = 10;
653 pub const MADV_DOFORK: ::c_int = 11;
654 pub const MADV_MERGEABLE: ::c_int = 12;
655 pub const MADV_UNMERGEABLE: ::c_int = 13;
656 pub const MADV_HUGEPAGE: ::c_int = 14;
657 pub const MADV_NOHUGEPAGE: ::c_int = 15;
658 pub const MADV_DONTDUMP: ::c_int = 16;
659 pub const MADV_DODUMP: ::c_int = 17;
660 pub const MADV_WIPEONFORK: ::c_int = 18;
661 pub const MADV_KEEPONFORK: ::c_int = 19;
662 pub const MADV_COLD: ::c_int = 20;
663 pub const MADV_PAGEOUT: ::c_int = 21;
664 pub const MADV_HWPOISON: ::c_int = 100;
665 cfg_if! {
666     if #[cfg(not(target_os = "emscripten"))] {
667         pub const MADV_POPULATE_READ: ::c_int = 22;
668         pub const MADV_POPULATE_WRITE: ::c_int = 23;
669         pub const MADV_DONTNEED_LOCKED: ::c_int = 24;
670     }
671 }
672 
673 pub const IFF_UP: ::c_int = 0x1;
674 pub const IFF_BROADCAST: ::c_int = 0x2;
675 pub const IFF_DEBUG: ::c_int = 0x4;
676 pub const IFF_LOOPBACK: ::c_int = 0x8;
677 pub const IFF_POINTOPOINT: ::c_int = 0x10;
678 pub const IFF_NOTRAILERS: ::c_int = 0x20;
679 pub const IFF_RUNNING: ::c_int = 0x40;
680 pub const IFF_NOARP: ::c_int = 0x80;
681 pub const IFF_PROMISC: ::c_int = 0x100;
682 pub const IFF_ALLMULTI: ::c_int = 0x200;
683 pub const IFF_MASTER: ::c_int = 0x400;
684 pub const IFF_SLAVE: ::c_int = 0x800;
685 pub const IFF_MULTICAST: ::c_int = 0x1000;
686 pub const IFF_PORTSEL: ::c_int = 0x2000;
687 pub const IFF_AUTOMEDIA: ::c_int = 0x4000;
688 pub const IFF_DYNAMIC: ::c_int = 0x8000;
689 
690 pub const SOL_IP: ::c_int = 0;
691 pub const SOL_TCP: ::c_int = 6;
692 pub const SOL_UDP: ::c_int = 17;
693 pub const SOL_IPV6: ::c_int = 41;
694 pub const SOL_ICMPV6: ::c_int = 58;
695 pub const SOL_RAW: ::c_int = 255;
696 pub const SOL_DECNET: ::c_int = 261;
697 pub const SOL_X25: ::c_int = 262;
698 pub const SOL_PACKET: ::c_int = 263;
699 pub const SOL_ATM: ::c_int = 264;
700 pub const SOL_AAL: ::c_int = 265;
701 pub const SOL_IRDA: ::c_int = 266;
702 pub const SOL_NETBEUI: ::c_int = 267;
703 pub const SOL_LLC: ::c_int = 268;
704 pub const SOL_DCCP: ::c_int = 269;
705 pub const SOL_NETLINK: ::c_int = 270;
706 pub const SOL_TIPC: ::c_int = 271;
707 pub const SOL_BLUETOOTH: ::c_int = 274;
708 pub const SOL_ALG: ::c_int = 279;
709 
710 pub const AF_UNSPEC: ::c_int = 0;
711 pub const AF_UNIX: ::c_int = 1;
712 pub const AF_LOCAL: ::c_int = 1;
713 pub const AF_INET: ::c_int = 2;
714 pub const AF_AX25: ::c_int = 3;
715 pub const AF_IPX: ::c_int = 4;
716 pub const AF_APPLETALK: ::c_int = 5;
717 pub const AF_NETROM: ::c_int = 6;
718 pub const AF_BRIDGE: ::c_int = 7;
719 pub const AF_ATMPVC: ::c_int = 8;
720 pub const AF_X25: ::c_int = 9;
721 pub const AF_INET6: ::c_int = 10;
722 pub const AF_ROSE: ::c_int = 11;
723 pub const AF_DECnet: ::c_int = 12;
724 pub const AF_NETBEUI: ::c_int = 13;
725 pub const AF_SECURITY: ::c_int = 14;
726 pub const AF_KEY: ::c_int = 15;
727 pub const AF_NETLINK: ::c_int = 16;
728 pub const AF_ROUTE: ::c_int = AF_NETLINK;
729 pub const AF_PACKET: ::c_int = 17;
730 pub const AF_ASH: ::c_int = 18;
731 pub const AF_ECONET: ::c_int = 19;
732 pub const AF_ATMSVC: ::c_int = 20;
733 pub const AF_RDS: ::c_int = 21;
734 pub const AF_SNA: ::c_int = 22;
735 pub const AF_IRDA: ::c_int = 23;
736 pub const AF_PPPOX: ::c_int = 24;
737 pub const AF_WANPIPE: ::c_int = 25;
738 pub const AF_LLC: ::c_int = 26;
739 pub const AF_CAN: ::c_int = 29;
740 pub const AF_TIPC: ::c_int = 30;
741 pub const AF_BLUETOOTH: ::c_int = 31;
742 pub const AF_IUCV: ::c_int = 32;
743 pub const AF_RXRPC: ::c_int = 33;
744 pub const AF_ISDN: ::c_int = 34;
745 pub const AF_PHONET: ::c_int = 35;
746 pub const AF_IEEE802154: ::c_int = 36;
747 pub const AF_CAIF: ::c_int = 37;
748 pub const AF_ALG: ::c_int = 38;
749 
750 pub const PF_UNSPEC: ::c_int = AF_UNSPEC;
751 pub const PF_UNIX: ::c_int = AF_UNIX;
752 pub const PF_LOCAL: ::c_int = AF_LOCAL;
753 pub const PF_INET: ::c_int = AF_INET;
754 pub const PF_AX25: ::c_int = AF_AX25;
755 pub const PF_IPX: ::c_int = AF_IPX;
756 pub const PF_APPLETALK: ::c_int = AF_APPLETALK;
757 pub const PF_NETROM: ::c_int = AF_NETROM;
758 pub const PF_BRIDGE: ::c_int = AF_BRIDGE;
759 pub const PF_ATMPVC: ::c_int = AF_ATMPVC;
760 pub const PF_X25: ::c_int = AF_X25;
761 pub const PF_INET6: ::c_int = AF_INET6;
762 pub const PF_ROSE: ::c_int = AF_ROSE;
763 pub const PF_DECnet: ::c_int = AF_DECnet;
764 pub const PF_NETBEUI: ::c_int = AF_NETBEUI;
765 pub const PF_SECURITY: ::c_int = AF_SECURITY;
766 pub const PF_KEY: ::c_int = AF_KEY;
767 pub const PF_NETLINK: ::c_int = AF_NETLINK;
768 pub const PF_ROUTE: ::c_int = AF_ROUTE;
769 pub const PF_PACKET: ::c_int = AF_PACKET;
770 pub const PF_ASH: ::c_int = AF_ASH;
771 pub const PF_ECONET: ::c_int = AF_ECONET;
772 pub const PF_ATMSVC: ::c_int = AF_ATMSVC;
773 pub const PF_RDS: ::c_int = AF_RDS;
774 pub const PF_SNA: ::c_int = AF_SNA;
775 pub const PF_IRDA: ::c_int = AF_IRDA;
776 pub const PF_PPPOX: ::c_int = AF_PPPOX;
777 pub const PF_WANPIPE: ::c_int = AF_WANPIPE;
778 pub const PF_LLC: ::c_int = AF_LLC;
779 pub const PF_CAN: ::c_int = AF_CAN;
780 pub const PF_TIPC: ::c_int = AF_TIPC;
781 pub const PF_BLUETOOTH: ::c_int = AF_BLUETOOTH;
782 pub const PF_IUCV: ::c_int = AF_IUCV;
783 pub const PF_RXRPC: ::c_int = AF_RXRPC;
784 pub const PF_ISDN: ::c_int = AF_ISDN;
785 pub const PF_PHONET: ::c_int = AF_PHONET;
786 pub const PF_IEEE802154: ::c_int = AF_IEEE802154;
787 pub const PF_CAIF: ::c_int = AF_CAIF;
788 pub const PF_ALG: ::c_int = AF_ALG;
789 
790 pub const MSG_OOB: ::c_int = 1;
791 pub const MSG_PEEK: ::c_int = 2;
792 pub const MSG_DONTROUTE: ::c_int = 4;
793 pub const MSG_CTRUNC: ::c_int = 8;
794 pub const MSG_TRUNC: ::c_int = 0x20;
795 pub const MSG_DONTWAIT: ::c_int = 0x40;
796 pub const MSG_EOR: ::c_int = 0x80;
797 pub const MSG_WAITALL: ::c_int = 0x100;
798 pub const MSG_FIN: ::c_int = 0x200;
799 pub const MSG_SYN: ::c_int = 0x400;
800 pub const MSG_CONFIRM: ::c_int = 0x800;
801 pub const MSG_RST: ::c_int = 0x1000;
802 pub const MSG_ERRQUEUE: ::c_int = 0x2000;
803 pub const MSG_NOSIGNAL: ::c_int = 0x4000;
804 pub const MSG_MORE: ::c_int = 0x8000;
805 pub const MSG_WAITFORONE: ::c_int = 0x10000;
806 pub const MSG_FASTOPEN: ::c_int = 0x20000000;
807 pub const MSG_CMSG_CLOEXEC: ::c_int = 0x40000000;
808 
809 pub const SCM_TIMESTAMP: ::c_int = SO_TIMESTAMP;
810 
811 pub const SOCK_RAW: ::c_int = 3;
812 pub const SOCK_RDM: ::c_int = 4;
813 pub const IP_TOS: ::c_int = 1;
814 pub const IP_TTL: ::c_int = 2;
815 pub const IP_HDRINCL: ::c_int = 3;
816 pub const IP_OPTIONS: ::c_int = 4;
817 pub const IP_ROUTER_ALERT: ::c_int = 5;
818 pub const IP_RECVOPTS: ::c_int = 6;
819 pub const IP_RETOPTS: ::c_int = 7;
820 pub const IP_PKTINFO: ::c_int = 8;
821 pub const IP_PKTOPTIONS: ::c_int = 9;
822 pub const IP_MTU_DISCOVER: ::c_int = 10;
823 pub const IP_RECVERR: ::c_int = 11;
824 pub const IP_RECVTTL: ::c_int = 12;
825 pub const IP_RECVTOS: ::c_int = 13;
826 pub const IP_MTU: ::c_int = 14;
827 pub const IP_FREEBIND: ::c_int = 15;
828 pub const IP_IPSEC_POLICY: ::c_int = 16;
829 pub const IP_XFRM_POLICY: ::c_int = 17;
830 pub const IP_PASSSEC: ::c_int = 18;
831 pub const IP_TRANSPARENT: ::c_int = 19;
832 pub const IP_ORIGDSTADDR: ::c_int = 20;
833 pub const IP_RECVORIGDSTADDR: ::c_int = IP_ORIGDSTADDR;
834 pub const IP_MINTTL: ::c_int = 21;
835 pub const IP_NODEFRAG: ::c_int = 22;
836 pub const IP_CHECKSUM: ::c_int = 23;
837 pub const IP_BIND_ADDRESS_NO_PORT: ::c_int = 24;
838 pub const IP_MULTICAST_IF: ::c_int = 32;
839 pub const IP_MULTICAST_TTL: ::c_int = 33;
840 pub const IP_MULTICAST_LOOP: ::c_int = 34;
841 pub const IP_ADD_MEMBERSHIP: ::c_int = 35;
842 pub const IP_DROP_MEMBERSHIP: ::c_int = 36;
843 pub const IP_UNBLOCK_SOURCE: ::c_int = 37;
844 pub const IP_BLOCK_SOURCE: ::c_int = 38;
845 pub const IP_ADD_SOURCE_MEMBERSHIP: ::c_int = 39;
846 pub const IP_DROP_SOURCE_MEMBERSHIP: ::c_int = 40;
847 pub const IP_MSFILTER: ::c_int = 41;
848 pub const IP_MULTICAST_ALL: ::c_int = 49;
849 pub const IP_UNICAST_IF: ::c_int = 50;
850 
851 pub const IP_DEFAULT_MULTICAST_TTL: ::c_int = 1;
852 pub const IP_DEFAULT_MULTICAST_LOOP: ::c_int = 1;
853 
854 pub const IP_PMTUDISC_DONT: ::c_int = 0;
855 pub const IP_PMTUDISC_WANT: ::c_int = 1;
856 pub const IP_PMTUDISC_DO: ::c_int = 2;
857 pub const IP_PMTUDISC_PROBE: ::c_int = 3;
858 pub const IP_PMTUDISC_INTERFACE: ::c_int = 4;
859 pub const IP_PMTUDISC_OMIT: ::c_int = 5;
860 
861 // IPPROTO_IP defined in src/unix/mod.rs
862 /// Hop-by-hop option header
863 pub const IPPROTO_HOPOPTS: ::c_int = 0;
864 // IPPROTO_ICMP defined in src/unix/mod.rs
865 /// group mgmt protocol
866 pub const IPPROTO_IGMP: ::c_int = 2;
867 /// for compatibility
868 pub const IPPROTO_IPIP: ::c_int = 4;
869 // IPPROTO_TCP defined in src/unix/mod.rs
870 /// exterior gateway protocol
871 pub const IPPROTO_EGP: ::c_int = 8;
872 /// pup
873 pub const IPPROTO_PUP: ::c_int = 12;
874 // IPPROTO_UDP defined in src/unix/mod.rs
875 /// xns idp
876 pub const IPPROTO_IDP: ::c_int = 22;
877 /// tp-4 w/ class negotiation
878 pub const IPPROTO_TP: ::c_int = 29;
879 /// DCCP
880 pub const IPPROTO_DCCP: ::c_int = 33;
881 // IPPROTO_IPV6 defined in src/unix/mod.rs
882 /// IP6 routing header
883 pub const IPPROTO_ROUTING: ::c_int = 43;
884 /// IP6 fragmentation header
885 pub const IPPROTO_FRAGMENT: ::c_int = 44;
886 /// resource reservation
887 pub const IPPROTO_RSVP: ::c_int = 46;
888 /// General Routing Encap.
889 pub const IPPROTO_GRE: ::c_int = 47;
890 /// IP6 Encap Sec. Payload
891 pub const IPPROTO_ESP: ::c_int = 50;
892 /// IP6 Auth Header
893 pub const IPPROTO_AH: ::c_int = 51;
894 // IPPROTO_ICMPV6 defined in src/unix/mod.rs
895 /// IP6 no next header
896 pub const IPPROTO_NONE: ::c_int = 59;
897 /// IP6 destination option
898 pub const IPPROTO_DSTOPTS: ::c_int = 60;
899 pub const IPPROTO_MTP: ::c_int = 92;
900 /// encapsulation header
901 pub const IPPROTO_ENCAP: ::c_int = 98;
902 /// Protocol indep. multicast
903 pub const IPPROTO_PIM: ::c_int = 103;
904 /// IP Payload Comp. Protocol
905 pub const IPPROTO_COMP: ::c_int = 108;
906 /// SCTP
907 pub const IPPROTO_SCTP: ::c_int = 132;
908 pub const IPPROTO_MH: ::c_int = 135;
909 pub const IPPROTO_UDPLITE: ::c_int = 136;
910 /// raw IP packet
911 pub const IPPROTO_RAW: ::c_int = 255;
912 pub const IPPROTO_BEETPH: ::c_int = 94;
913 pub const IPPROTO_MPLS: ::c_int = 137;
914 /// Multipath TCP
915 pub const IPPROTO_MPTCP: ::c_int = 262;
916 /// Ethernet-within-IPv6 encapsulation.
917 pub const IPPROTO_ETHERNET: ::c_int = 143;
918 
919 pub const MCAST_EXCLUDE: ::c_int = 0;
920 pub const MCAST_INCLUDE: ::c_int = 1;
921 pub const MCAST_JOIN_GROUP: ::c_int = 42;
922 pub const MCAST_BLOCK_SOURCE: ::c_int = 43;
923 pub const MCAST_UNBLOCK_SOURCE: ::c_int = 44;
924 pub const MCAST_LEAVE_GROUP: ::c_int = 45;
925 pub const MCAST_JOIN_SOURCE_GROUP: ::c_int = 46;
926 pub const MCAST_LEAVE_SOURCE_GROUP: ::c_int = 47;
927 pub const MCAST_MSFILTER: ::c_int = 48;
928 
929 pub const IPV6_ADDRFORM: ::c_int = 1;
930 pub const IPV6_2292PKTINFO: ::c_int = 2;
931 pub const IPV6_2292HOPOPTS: ::c_int = 3;
932 pub const IPV6_2292DSTOPTS: ::c_int = 4;
933 pub const IPV6_2292RTHDR: ::c_int = 5;
934 pub const IPV6_2292PKTOPTIONS: ::c_int = 6;
935 pub const IPV6_CHECKSUM: ::c_int = 7;
936 pub const IPV6_2292HOPLIMIT: ::c_int = 8;
937 pub const IPV6_NEXTHOP: ::c_int = 9;
938 pub const IPV6_AUTHHDR: ::c_int = 10;
939 pub const IPV6_UNICAST_HOPS: ::c_int = 16;
940 pub const IPV6_MULTICAST_IF: ::c_int = 17;
941 pub const IPV6_MULTICAST_HOPS: ::c_int = 18;
942 pub const IPV6_MULTICAST_LOOP: ::c_int = 19;
943 pub const IPV6_ADD_MEMBERSHIP: ::c_int = 20;
944 pub const IPV6_DROP_MEMBERSHIP: ::c_int = 21;
945 pub const IPV6_ROUTER_ALERT: ::c_int = 22;
946 pub const IPV6_MTU_DISCOVER: ::c_int = 23;
947 pub const IPV6_MTU: ::c_int = 24;
948 pub const IPV6_RECVERR: ::c_int = 25;
949 pub const IPV6_V6ONLY: ::c_int = 26;
950 pub const IPV6_JOIN_ANYCAST: ::c_int = 27;
951 pub const IPV6_LEAVE_ANYCAST: ::c_int = 28;
952 pub const IPV6_IPSEC_POLICY: ::c_int = 34;
953 pub const IPV6_XFRM_POLICY: ::c_int = 35;
954 pub const IPV6_HDRINCL: ::c_int = 36;
955 pub const IPV6_RECVPKTINFO: ::c_int = 49;
956 pub const IPV6_PKTINFO: ::c_int = 50;
957 pub const IPV6_RECVHOPLIMIT: ::c_int = 51;
958 pub const IPV6_HOPLIMIT: ::c_int = 52;
959 pub const IPV6_RECVHOPOPTS: ::c_int = 53;
960 pub const IPV6_HOPOPTS: ::c_int = 54;
961 pub const IPV6_RTHDRDSTOPTS: ::c_int = 55;
962 pub const IPV6_RECVRTHDR: ::c_int = 56;
963 pub const IPV6_RTHDR: ::c_int = 57;
964 pub const IPV6_RECVDSTOPTS: ::c_int = 58;
965 pub const IPV6_DSTOPTS: ::c_int = 59;
966 pub const IPV6_RECVPATHMTU: ::c_int = 60;
967 pub const IPV6_PATHMTU: ::c_int = 61;
968 pub const IPV6_DONTFRAG: ::c_int = 62;
969 pub const IPV6_RECVTCLASS: ::c_int = 66;
970 pub const IPV6_TCLASS: ::c_int = 67;
971 pub const IPV6_AUTOFLOWLABEL: ::c_int = 70;
972 pub const IPV6_ADDR_PREFERENCES: ::c_int = 72;
973 pub const IPV6_MINHOPCOUNT: ::c_int = 73;
974 pub const IPV6_ORIGDSTADDR: ::c_int = 74;
975 pub const IPV6_RECVORIGDSTADDR: ::c_int = IPV6_ORIGDSTADDR;
976 pub const IPV6_TRANSPARENT: ::c_int = 75;
977 pub const IPV6_UNICAST_IF: ::c_int = 76;
978 pub const IPV6_PREFER_SRC_TMP: ::c_int = 0x0001;
979 pub const IPV6_PREFER_SRC_PUBLIC: ::c_int = 0x0002;
980 pub const IPV6_PREFER_SRC_PUBTMP_DEFAULT: ::c_int = 0x0100;
981 pub const IPV6_PREFER_SRC_COA: ::c_int = 0x0004;
982 pub const IPV6_PREFER_SRC_HOME: ::c_int = 0x0400;
983 pub const IPV6_PREFER_SRC_CGA: ::c_int = 0x0008;
984 pub const IPV6_PREFER_SRC_NONCGA: ::c_int = 0x0800;
985 
986 pub const IPV6_PMTUDISC_DONT: ::c_int = 0;
987 pub const IPV6_PMTUDISC_WANT: ::c_int = 1;
988 pub const IPV6_PMTUDISC_DO: ::c_int = 2;
989 pub const IPV6_PMTUDISC_PROBE: ::c_int = 3;
990 pub const IPV6_PMTUDISC_INTERFACE: ::c_int = 4;
991 pub const IPV6_PMTUDISC_OMIT: ::c_int = 5;
992 
993 pub const TCP_NODELAY: ::c_int = 1;
994 pub const TCP_MAXSEG: ::c_int = 2;
995 pub const TCP_CORK: ::c_int = 3;
996 pub const TCP_KEEPIDLE: ::c_int = 4;
997 pub const TCP_KEEPINTVL: ::c_int = 5;
998 pub const TCP_KEEPCNT: ::c_int = 6;
999 pub const TCP_SYNCNT: ::c_int = 7;
1000 pub const TCP_LINGER2: ::c_int = 8;
1001 pub const TCP_DEFER_ACCEPT: ::c_int = 9;
1002 pub const TCP_WINDOW_CLAMP: ::c_int = 10;
1003 pub const TCP_INFO: ::c_int = 11;
1004 pub const TCP_QUICKACK: ::c_int = 12;
1005 pub const TCP_CONGESTION: ::c_int = 13;
1006 pub const TCP_MD5SIG: ::c_int = 14;
1007 cfg_if! {
1008     if #[cfg(all(
1009         target_os = "linux",
1010         any(target_env = "gnu", target_env = "musl", target_env = "ohos")
1011     ))] {
1012         // WARN: deprecated
1013         pub const TCP_COOKIE_TRANSACTIONS: ::c_int = 15;
1014     }
1015 }
1016 pub const TCP_THIN_LINEAR_TIMEOUTS: ::c_int = 16;
1017 pub const TCP_THIN_DUPACK: ::c_int = 17;
1018 pub const TCP_USER_TIMEOUT: ::c_int = 18;
1019 pub const TCP_REPAIR: ::c_int = 19;
1020 pub const TCP_REPAIR_QUEUE: ::c_int = 20;
1021 pub const TCP_QUEUE_SEQ: ::c_int = 21;
1022 pub const TCP_REPAIR_OPTIONS: ::c_int = 22;
1023 pub const TCP_FASTOPEN: ::c_int = 23;
1024 pub const TCP_TIMESTAMP: ::c_int = 24;
1025 pub const TCP_NOTSENT_LOWAT: ::c_int = 25;
1026 pub const TCP_CC_INFO: ::c_int = 26;
1027 pub const TCP_SAVE_SYN: ::c_int = 27;
1028 pub const TCP_SAVED_SYN: ::c_int = 28;
1029 cfg_if! {
1030     if #[cfg(not(target_os = "emscripten"))] {
1031         // NOTE: emscripten doesn't support these options yet.
1032 
1033         pub const TCP_REPAIR_WINDOW: ::c_int = 29;
1034         pub const TCP_FASTOPEN_CONNECT: ::c_int = 30;
1035         pub const TCP_ULP: ::c_int = 31;
1036         pub const TCP_MD5SIG_EXT: ::c_int = 32;
1037         pub const TCP_FASTOPEN_KEY: ::c_int = 33;
1038         pub const TCP_FASTOPEN_NO_COOKIE: ::c_int = 34;
1039         pub const TCP_ZEROCOPY_RECEIVE: ::c_int = 35;
1040         pub const TCP_INQ: ::c_int = 36;
1041         pub const TCP_CM_INQ: ::c_int = TCP_INQ;
1042         // NOTE: Some CI images doesn't have this option yet.
1043         // pub const TCP_TX_DELAY: ::c_int = 37;
1044         pub const TCP_MD5SIG_MAXKEYLEN: usize = 80;
1045     }
1046 }
1047 
1048 pub const SO_DEBUG: ::c_int = 1;
1049 
1050 pub const SHUT_RD: ::c_int = 0;
1051 pub const SHUT_WR: ::c_int = 1;
1052 pub const SHUT_RDWR: ::c_int = 2;
1053 
1054 pub const LOCK_SH: ::c_int = 1;
1055 pub const LOCK_EX: ::c_int = 2;
1056 pub const LOCK_NB: ::c_int = 4;
1057 pub const LOCK_UN: ::c_int = 8;
1058 
1059 pub const SS_ONSTACK: ::c_int = 1;
1060 pub const SS_DISABLE: ::c_int = 2;
1061 
1062 pub const PATH_MAX: ::c_int = 4096;
1063 
1064 pub const UIO_MAXIOV: ::c_int = 1024;
1065 
1066 pub const FD_SETSIZE: usize = 1024;
1067 
1068 pub const EPOLLIN: ::c_int = 0x1;
1069 pub const EPOLLPRI: ::c_int = 0x2;
1070 pub const EPOLLOUT: ::c_int = 0x4;
1071 pub const EPOLLERR: ::c_int = 0x8;
1072 pub const EPOLLHUP: ::c_int = 0x10;
1073 pub const EPOLLRDNORM: ::c_int = 0x40;
1074 pub const EPOLLRDBAND: ::c_int = 0x80;
1075 pub const EPOLLWRNORM: ::c_int = 0x100;
1076 pub const EPOLLWRBAND: ::c_int = 0x200;
1077 pub const EPOLLMSG: ::c_int = 0x400;
1078 pub const EPOLLRDHUP: ::c_int = 0x2000;
1079 pub const EPOLLEXCLUSIVE: ::c_int = 0x10000000;
1080 pub const EPOLLWAKEUP: ::c_int = 0x20000000;
1081 pub const EPOLLONESHOT: ::c_int = 0x40000000;
1082 pub const EPOLLET: ::c_int = 0x80000000;
1083 
1084 pub const EPOLL_CTL_ADD: ::c_int = 1;
1085 pub const EPOLL_CTL_MOD: ::c_int = 3;
1086 pub const EPOLL_CTL_DEL: ::c_int = 2;
1087 
1088 pub const MNT_FORCE: ::c_int = 0x1;
1089 pub const MNT_DETACH: ::c_int = 0x2;
1090 pub const MNT_EXPIRE: ::c_int = 0x4;
1091 pub const UMOUNT_NOFOLLOW: ::c_int = 0x8;
1092 
1093 pub const Q_GETFMT: ::c_int = 0x800004;
1094 pub const Q_GETINFO: ::c_int = 0x800005;
1095 pub const Q_SETINFO: ::c_int = 0x800006;
1096 pub const QIF_BLIMITS: u32 = 1;
1097 pub const QIF_SPACE: u32 = 2;
1098 pub const QIF_ILIMITS: u32 = 4;
1099 pub const QIF_INODES: u32 = 8;
1100 pub const QIF_BTIME: u32 = 16;
1101 pub const QIF_ITIME: u32 = 32;
1102 pub const QIF_LIMITS: u32 = 5;
1103 pub const QIF_USAGE: u32 = 10;
1104 pub const QIF_TIMES: u32 = 48;
1105 pub const QIF_ALL: u32 = 63;
1106 
1107 pub const Q_SYNC: ::c_int = 0x800001;
1108 pub const Q_QUOTAON: ::c_int = 0x800002;
1109 pub const Q_QUOTAOFF: ::c_int = 0x800003;
1110 pub const Q_GETQUOTA: ::c_int = 0x800007;
1111 pub const Q_SETQUOTA: ::c_int = 0x800008;
1112 
1113 pub const TCIOFF: ::c_int = 2;
1114 pub const TCION: ::c_int = 3;
1115 pub const TCOOFF: ::c_int = 0;
1116 pub const TCOON: ::c_int = 1;
1117 pub const TCIFLUSH: ::c_int = 0;
1118 pub const TCOFLUSH: ::c_int = 1;
1119 pub const TCIOFLUSH: ::c_int = 2;
1120 pub const NL0: ::tcflag_t = 0x00000000;
1121 pub const NL1: ::tcflag_t = 0x00000100;
1122 pub const TAB0: ::tcflag_t = 0x00000000;
1123 pub const CR0: ::tcflag_t = 0x00000000;
1124 pub const FF0: ::tcflag_t = 0x00000000;
1125 pub const BS0: ::tcflag_t = 0x00000000;
1126 pub const VT0: ::tcflag_t = 0x00000000;
1127 pub const VERASE: usize = 2;
1128 pub const VKILL: usize = 3;
1129 pub const VINTR: usize = 0;
1130 pub const VQUIT: usize = 1;
1131 pub const VLNEXT: usize = 15;
1132 pub const IGNBRK: ::tcflag_t = 0x00000001;
1133 pub const BRKINT: ::tcflag_t = 0x00000002;
1134 pub const IGNPAR: ::tcflag_t = 0x00000004;
1135 pub const PARMRK: ::tcflag_t = 0x00000008;
1136 pub const INPCK: ::tcflag_t = 0x00000010;
1137 pub const ISTRIP: ::tcflag_t = 0x00000020;
1138 pub const INLCR: ::tcflag_t = 0x00000040;
1139 pub const IGNCR: ::tcflag_t = 0x00000080;
1140 pub const ICRNL: ::tcflag_t = 0x00000100;
1141 pub const IXANY: ::tcflag_t = 0x00000800;
1142 pub const IMAXBEL: ::tcflag_t = 0x00002000;
1143 pub const OPOST: ::tcflag_t = 0x1;
1144 pub const CS5: ::tcflag_t = 0x00000000;
1145 pub const CRTSCTS: ::tcflag_t = 0x80000000;
1146 pub const ECHO: ::tcflag_t = 0x00000008;
1147 pub const OCRNL: ::tcflag_t = 0o000010;
1148 pub const ONOCR: ::tcflag_t = 0o000020;
1149 pub const ONLRET: ::tcflag_t = 0o000040;
1150 pub const OFILL: ::tcflag_t = 0o000100;
1151 pub const OFDEL: ::tcflag_t = 0o000200;
1152 
1153 pub const CLONE_VM: ::c_int = 0x100;
1154 pub const CLONE_FS: ::c_int = 0x200;
1155 pub const CLONE_FILES: ::c_int = 0x400;
1156 pub const CLONE_SIGHAND: ::c_int = 0x800;
1157 pub const CLONE_PTRACE: ::c_int = 0x2000;
1158 pub const CLONE_VFORK: ::c_int = 0x4000;
1159 pub const CLONE_PARENT: ::c_int = 0x8000;
1160 pub const CLONE_THREAD: ::c_int = 0x10000;
1161 pub const CLONE_NEWNS: ::c_int = 0x20000;
1162 pub const CLONE_SYSVSEM: ::c_int = 0x40000;
1163 pub const CLONE_SETTLS: ::c_int = 0x80000;
1164 pub const CLONE_PARENT_SETTID: ::c_int = 0x100000;
1165 pub const CLONE_CHILD_CLEARTID: ::c_int = 0x200000;
1166 pub const CLONE_DETACHED: ::c_int = 0x400000;
1167 pub const CLONE_UNTRACED: ::c_int = 0x800000;
1168 pub const CLONE_CHILD_SETTID: ::c_int = 0x01000000;
1169 pub const CLONE_NEWCGROUP: ::c_int = 0x02000000;
1170 pub const CLONE_NEWUTS: ::c_int = 0x04000000;
1171 pub const CLONE_NEWIPC: ::c_int = 0x08000000;
1172 pub const CLONE_NEWUSER: ::c_int = 0x10000000;
1173 pub const CLONE_NEWPID: ::c_int = 0x20000000;
1174 pub const CLONE_NEWNET: ::c_int = 0x40000000;
1175 pub const CLONE_IO: ::c_int = 0x80000000;
1176 
1177 pub const WNOHANG: ::c_int = 0x00000001;
1178 pub const WUNTRACED: ::c_int = 0x00000002;
1179 pub const WSTOPPED: ::c_int = WUNTRACED;
1180 pub const WEXITED: ::c_int = 0x00000004;
1181 pub const WCONTINUED: ::c_int = 0x00000008;
1182 pub const WNOWAIT: ::c_int = 0x01000000;
1183 
1184 // Options for personality(2).
1185 pub const ADDR_NO_RANDOMIZE: ::c_int = 0x0040000;
1186 pub const MMAP_PAGE_ZERO: ::c_int = 0x0100000;
1187 pub const ADDR_COMPAT_LAYOUT: ::c_int = 0x0200000;
1188 pub const READ_IMPLIES_EXEC: ::c_int = 0x0400000;
1189 pub const ADDR_LIMIT_32BIT: ::c_int = 0x0800000;
1190 pub const SHORT_INODE: ::c_int = 0x1000000;
1191 pub const WHOLE_SECONDS: ::c_int = 0x2000000;
1192 pub const STICKY_TIMEOUTS: ::c_int = 0x4000000;
1193 pub const ADDR_LIMIT_3GB: ::c_int = 0x8000000;
1194 
1195 // Options set using PTRACE_SETOPTIONS.
1196 pub const PTRACE_O_TRACESYSGOOD: ::c_int = 0x00000001;
1197 pub const PTRACE_O_TRACEFORK: ::c_int = 0x00000002;
1198 pub const PTRACE_O_TRACEVFORK: ::c_int = 0x00000004;
1199 pub const PTRACE_O_TRACECLONE: ::c_int = 0x00000008;
1200 pub const PTRACE_O_TRACEEXEC: ::c_int = 0x00000010;
1201 pub const PTRACE_O_TRACEVFORKDONE: ::c_int = 0x00000020;
1202 pub const PTRACE_O_TRACEEXIT: ::c_int = 0x00000040;
1203 pub const PTRACE_O_TRACESECCOMP: ::c_int = 0x00000080;
1204 pub const PTRACE_O_SUSPEND_SECCOMP: ::c_int = 0x00200000;
1205 pub const PTRACE_O_EXITKILL: ::c_int = 0x00100000;
1206 pub const PTRACE_O_MASK: ::c_int = 0x003000ff;
1207 
1208 // Wait extended result codes for the above trace options.
1209 pub const PTRACE_EVENT_FORK: ::c_int = 1;
1210 pub const PTRACE_EVENT_VFORK: ::c_int = 2;
1211 pub const PTRACE_EVENT_CLONE: ::c_int = 3;
1212 pub const PTRACE_EVENT_EXEC: ::c_int = 4;
1213 pub const PTRACE_EVENT_VFORK_DONE: ::c_int = 5;
1214 pub const PTRACE_EVENT_EXIT: ::c_int = 6;
1215 pub const PTRACE_EVENT_SECCOMP: ::c_int = 7;
1216 
1217 pub const __WNOTHREAD: ::c_int = 0x20000000;
1218 pub const __WALL: ::c_int = 0x40000000;
1219 pub const __WCLONE: ::c_int = 0x80000000;
1220 
1221 pub const SPLICE_F_MOVE: ::c_uint = 0x01;
1222 pub const SPLICE_F_NONBLOCK: ::c_uint = 0x02;
1223 pub const SPLICE_F_MORE: ::c_uint = 0x04;
1224 pub const SPLICE_F_GIFT: ::c_uint = 0x08;
1225 
1226 pub const RTLD_LOCAL: ::c_int = 0;
1227 pub const RTLD_LAZY: ::c_int = 1;
1228 
1229 pub const POSIX_FADV_NORMAL: ::c_int = 0;
1230 pub const POSIX_FADV_RANDOM: ::c_int = 1;
1231 pub const POSIX_FADV_SEQUENTIAL: ::c_int = 2;
1232 pub const POSIX_FADV_WILLNEED: ::c_int = 3;
1233 
1234 pub const AT_FDCWD: ::c_int = -100;
1235 pub const AT_SYMLINK_NOFOLLOW: ::c_int = 0x100;
1236 pub const AT_REMOVEDIR: ::c_int = 0x200;
1237 pub const AT_SYMLINK_FOLLOW: ::c_int = 0x400;
1238 pub const AT_NO_AUTOMOUNT: ::c_int = 0x800;
1239 pub const AT_EMPTY_PATH: ::c_int = 0x1000;
1240 pub const AT_RECURSIVE: ::c_int = 0x8000;
1241 
1242 pub const LOG_CRON: ::c_int = 9 << 3;
1243 pub const LOG_AUTHPRIV: ::c_int = 10 << 3;
1244 pub const LOG_FTP: ::c_int = 11 << 3;
1245 pub const LOG_PERROR: ::c_int = 0x20;
1246 
1247 pub const PIPE_BUF: usize = 4096;
1248 
1249 pub const SI_LOAD_SHIFT: ::c_uint = 16;
1250 
1251 // si_code values for SIGBUS signal
1252 pub const BUS_ADRALN: ::c_int = 1;
1253 pub const BUS_ADRERR: ::c_int = 2;
1254 pub const BUS_OBJERR: ::c_int = 3;
1255 // Linux-specific si_code values for SIGBUS signal
1256 pub const BUS_MCEERR_AR: ::c_int = 4;
1257 pub const BUS_MCEERR_AO: ::c_int = 5;
1258 
1259 // si_code values for SIGCHLD signal
1260 pub const CLD_EXITED: ::c_int = 1;
1261 pub const CLD_KILLED: ::c_int = 2;
1262 pub const CLD_DUMPED: ::c_int = 3;
1263 pub const CLD_TRAPPED: ::c_int = 4;
1264 pub const CLD_STOPPED: ::c_int = 5;
1265 pub const CLD_CONTINUED: ::c_int = 6;
1266 
1267 pub const SIGEV_SIGNAL: ::c_int = 0;
1268 pub const SIGEV_NONE: ::c_int = 1;
1269 pub const SIGEV_THREAD: ::c_int = 2;
1270 
1271 pub const P_ALL: idtype_t = 0;
1272 pub const P_PID: idtype_t = 1;
1273 pub const P_PGID: idtype_t = 2;
1274 cfg_if! {
1275     if #[cfg(not(target_os = "emscripten"))] {
1276         pub const P_PIDFD: idtype_t = 3;
1277     }
1278 }
1279 
1280 pub const UTIME_OMIT: c_long = 1073741822;
1281 pub const UTIME_NOW: c_long = 1073741823;
1282 
1283 pub const POLLIN: ::c_short = 0x1;
1284 pub const POLLPRI: ::c_short = 0x2;
1285 pub const POLLOUT: ::c_short = 0x4;
1286 pub const POLLERR: ::c_short = 0x8;
1287 pub const POLLHUP: ::c_short = 0x10;
1288 pub const POLLNVAL: ::c_short = 0x20;
1289 pub const POLLRDNORM: ::c_short = 0x040;
1290 pub const POLLRDBAND: ::c_short = 0x080;
1291 #[cfg(not(any(target_arch = "sparc", target_arch = "sparc64")))]
1292 pub const POLLRDHUP: ::c_short = 0x2000;
1293 #[cfg(any(target_arch = "sparc", target_arch = "sparc64"))]
1294 pub const POLLRDHUP: ::c_short = 0x800;
1295 
1296 pub const IPTOS_LOWDELAY: u8 = 0x10;
1297 pub const IPTOS_THROUGHPUT: u8 = 0x08;
1298 pub const IPTOS_RELIABILITY: u8 = 0x04;
1299 pub const IPTOS_MINCOST: u8 = 0x02;
1300 
1301 pub const IPTOS_PREC_NETCONTROL: u8 = 0xe0;
1302 pub const IPTOS_PREC_INTERNETCONTROL: u8 = 0xc0;
1303 pub const IPTOS_PREC_CRITIC_ECP: u8 = 0xa0;
1304 pub const IPTOS_PREC_FLASHOVERRIDE: u8 = 0x80;
1305 pub const IPTOS_PREC_FLASH: u8 = 0x60;
1306 pub const IPTOS_PREC_IMMEDIATE: u8 = 0x40;
1307 pub const IPTOS_PREC_PRIORITY: u8 = 0x20;
1308 pub const IPTOS_PREC_ROUTINE: u8 = 0x00;
1309 
1310 pub const IPTOS_ECN_MASK: u8 = 0x03;
1311 pub const IPTOS_ECN_ECT1: u8 = 0x01;
1312 pub const IPTOS_ECN_ECT0: u8 = 0x02;
1313 pub const IPTOS_ECN_CE: u8 = 0x03;
1314 
1315 pub const IPOPT_COPY: u8 = 0x80;
1316 pub const IPOPT_CLASS_MASK: u8 = 0x60;
1317 pub const IPOPT_NUMBER_MASK: u8 = 0x1f;
1318 
1319 pub const IPOPT_CONTROL: u8 = 0x00;
1320 pub const IPOPT_RESERVED1: u8 = 0x20;
1321 pub const IPOPT_MEASUREMENT: u8 = 0x40;
1322 pub const IPOPT_RESERVED2: u8 = 0x60;
1323 pub const IPOPT_END: u8 = 0 | IPOPT_CONTROL;
1324 pub const IPOPT_NOOP: u8 = 1 | IPOPT_CONTROL;
1325 pub const IPOPT_SEC: u8 = 2 | IPOPT_CONTROL | IPOPT_COPY;
1326 pub const IPOPT_LSRR: u8 = 3 | IPOPT_CONTROL | IPOPT_COPY;
1327 pub const IPOPT_TIMESTAMP: u8 = 4 | IPOPT_MEASUREMENT;
1328 pub const IPOPT_RR: u8 = 7 | IPOPT_CONTROL;
1329 pub const IPOPT_SID: u8 = 8 | IPOPT_CONTROL | IPOPT_COPY;
1330 pub const IPOPT_SSRR: u8 = 9 | IPOPT_CONTROL | IPOPT_COPY;
1331 pub const IPOPT_RA: u8 = 20 | IPOPT_CONTROL | IPOPT_COPY;
1332 pub const IPVERSION: u8 = 4;
1333 pub const MAXTTL: u8 = 255;
1334 pub const IPDEFTTL: u8 = 64;
1335 pub const IPOPT_OPTVAL: u8 = 0;
1336 pub const IPOPT_OLEN: u8 = 1;
1337 pub const IPOPT_OFFSET: u8 = 2;
1338 pub const IPOPT_MINOFF: u8 = 4;
1339 pub const MAX_IPOPTLEN: u8 = 40;
1340 pub const IPOPT_NOP: u8 = IPOPT_NOOP;
1341 pub const IPOPT_EOL: u8 = IPOPT_END;
1342 pub const IPOPT_TS: u8 = IPOPT_TIMESTAMP;
1343 pub const IPOPT_TS_TSONLY: u8 = 0;
1344 pub const IPOPT_TS_TSANDADDR: u8 = 1;
1345 pub const IPOPT_TS_PRESPEC: u8 = 3;
1346 
1347 pub const ARPOP_RREQUEST: u16 = 3;
1348 pub const ARPOP_RREPLY: u16 = 4;
1349 pub const ARPOP_InREQUEST: u16 = 8;
1350 pub const ARPOP_InREPLY: u16 = 9;
1351 pub const ARPOP_NAK: u16 = 10;
1352 
1353 pub const ATF_NETMASK: ::c_int = 0x20;
1354 pub const ATF_DONTPUB: ::c_int = 0x40;
1355 
1356 pub const ARPHRD_NETROM: u16 = 0;
1357 pub const ARPHRD_ETHER: u16 = 1;
1358 pub const ARPHRD_EETHER: u16 = 2;
1359 pub const ARPHRD_AX25: u16 = 3;
1360 pub const ARPHRD_PRONET: u16 = 4;
1361 pub const ARPHRD_CHAOS: u16 = 5;
1362 pub const ARPHRD_IEEE802: u16 = 6;
1363 pub const ARPHRD_ARCNET: u16 = 7;
1364 pub const ARPHRD_APPLETLK: u16 = 8;
1365 pub const ARPHRD_DLCI: u16 = 15;
1366 pub const ARPHRD_ATM: u16 = 19;
1367 pub const ARPHRD_METRICOM: u16 = 23;
1368 pub const ARPHRD_IEEE1394: u16 = 24;
1369 pub const ARPHRD_EUI64: u16 = 27;
1370 pub const ARPHRD_INFINIBAND: u16 = 32;
1371 
1372 pub const ARPHRD_SLIP: u16 = 256;
1373 pub const ARPHRD_CSLIP: u16 = 257;
1374 pub const ARPHRD_SLIP6: u16 = 258;
1375 pub const ARPHRD_CSLIP6: u16 = 259;
1376 pub const ARPHRD_RSRVD: u16 = 260;
1377 pub const ARPHRD_ADAPT: u16 = 264;
1378 pub const ARPHRD_ROSE: u16 = 270;
1379 pub const ARPHRD_X25: u16 = 271;
1380 pub const ARPHRD_HWX25: u16 = 272;
1381 pub const ARPHRD_CAN: u16 = 280;
1382 pub const ARPHRD_PPP: u16 = 512;
1383 pub const ARPHRD_CISCO: u16 = 513;
1384 pub const ARPHRD_HDLC: u16 = ARPHRD_CISCO;
1385 pub const ARPHRD_LAPB: u16 = 516;
1386 pub const ARPHRD_DDCMP: u16 = 517;
1387 pub const ARPHRD_RAWHDLC: u16 = 518;
1388 
1389 pub const ARPHRD_TUNNEL: u16 = 768;
1390 pub const ARPHRD_TUNNEL6: u16 = 769;
1391 pub const ARPHRD_FRAD: u16 = 770;
1392 pub const ARPHRD_SKIP: u16 = 771;
1393 pub const ARPHRD_LOOPBACK: u16 = 772;
1394 pub const ARPHRD_LOCALTLK: u16 = 773;
1395 pub const ARPHRD_FDDI: u16 = 774;
1396 pub const ARPHRD_BIF: u16 = 775;
1397 pub const ARPHRD_SIT: u16 = 776;
1398 pub const ARPHRD_IPDDP: u16 = 777;
1399 pub const ARPHRD_IPGRE: u16 = 778;
1400 pub const ARPHRD_PIMREG: u16 = 779;
1401 pub const ARPHRD_HIPPI: u16 = 780;
1402 pub const ARPHRD_ASH: u16 = 781;
1403 pub const ARPHRD_ECONET: u16 = 782;
1404 pub const ARPHRD_IRDA: u16 = 783;
1405 pub const ARPHRD_FCPP: u16 = 784;
1406 pub const ARPHRD_FCAL: u16 = 785;
1407 pub const ARPHRD_FCPL: u16 = 786;
1408 pub const ARPHRD_FCFABRIC: u16 = 787;
1409 pub const ARPHRD_IEEE802_TR: u16 = 800;
1410 pub const ARPHRD_IEEE80211: u16 = 801;
1411 pub const ARPHRD_IEEE80211_PRISM: u16 = 802;
1412 pub const ARPHRD_IEEE80211_RADIOTAP: u16 = 803;
1413 pub const ARPHRD_IEEE802154: u16 = 804;
1414 
1415 pub const ARPHRD_VOID: u16 = 0xFFFF;
1416 pub const ARPHRD_NONE: u16 = 0xFFFE;
1417 
1418 cfg_if! {
1419     if #[cfg(target_os = "emscripten")] {
1420         // Emscripten does not define any `*_SUPER_MAGIC` constants.
1421     } else if #[cfg(not(target_arch = "s390x"))] {
1422         pub const ADFS_SUPER_MAGIC: ::c_long = 0x0000adf5;
1423         pub const AFFS_SUPER_MAGIC: ::c_long = 0x0000adff;
1424         pub const AFS_SUPER_MAGIC: ::c_long = 0x5346414f;
1425         pub const AUTOFS_SUPER_MAGIC: ::c_long = 0x0187;
1426         pub const BPF_FS_MAGIC: ::c_long = 0xcafe4a11;
1427         pub const BTRFS_SUPER_MAGIC: ::c_long = 0x9123683e;
1428         pub const CGROUP2_SUPER_MAGIC: ::c_long = 0x63677270;
1429         pub const CGROUP_SUPER_MAGIC: ::c_long = 0x27e0eb;
1430         pub const CODA_SUPER_MAGIC: ::c_long = 0x73757245;
1431         pub const CRAMFS_MAGIC: ::c_long = 0x28cd3d45;
1432         pub const DEBUGFS_MAGIC: ::c_long = 0x64626720;
1433         pub const DEVPTS_SUPER_MAGIC: ::c_long = 0x1cd1;
1434         pub const ECRYPTFS_SUPER_MAGIC: ::c_long = 0xf15f;
1435         pub const EFS_SUPER_MAGIC: ::c_long = 0x00414a53;
1436         pub const EXT2_SUPER_MAGIC: ::c_long = 0x0000ef53;
1437         pub const EXT3_SUPER_MAGIC: ::c_long = 0x0000ef53;
1438         pub const EXT4_SUPER_MAGIC: ::c_long = 0x0000ef53;
1439         pub const F2FS_SUPER_MAGIC: ::c_long = 0xf2f52010;
1440         pub const FUSE_SUPER_MAGIC: ::c_long = 0x65735546;
1441         pub const FUTEXFS_SUPER_MAGIC: ::c_long = 0xbad1dea;
1442         pub const HOSTFS_SUPER_MAGIC: ::c_long = 0x00c0ffee;
1443         pub const HPFS_SUPER_MAGIC: ::c_long = 0xf995e849;
1444         pub const HUGETLBFS_MAGIC: ::c_long = 0x958458f6;
1445         pub const ISOFS_SUPER_MAGIC: ::c_long = 0x00009660;
1446         pub const JFFS2_SUPER_MAGIC: ::c_long = 0x000072b6;
1447         pub const MINIX2_SUPER_MAGIC2: ::c_long = 0x00002478;
1448         pub const MINIX2_SUPER_MAGIC: ::c_long = 0x00002468;
1449         pub const MINIX3_SUPER_MAGIC: ::c_long = 0x4d5a;
1450         pub const MINIX_SUPER_MAGIC2: ::c_long = 0x0000138f;
1451         pub const MINIX_SUPER_MAGIC: ::c_long = 0x0000137f;
1452         pub const MSDOS_SUPER_MAGIC: ::c_long = 0x00004d44;
1453         pub const NCP_SUPER_MAGIC: ::c_long = 0x0000564c;
1454         pub const NFS_SUPER_MAGIC: ::c_long = 0x00006969;
1455         pub const NILFS_SUPER_MAGIC: ::c_long = 0x3434;
1456         pub const OCFS2_SUPER_MAGIC: ::c_long = 0x7461636f;
1457         pub const OPENPROM_SUPER_MAGIC: ::c_long = 0x00009fa1;
1458         pub const OVERLAYFS_SUPER_MAGIC: ::c_long = 0x794c7630;
1459         pub const PROC_SUPER_MAGIC: ::c_long = 0x00009fa0;
1460         pub const QNX4_SUPER_MAGIC: ::c_long = 0x0000002f;
1461         pub const QNX6_SUPER_MAGIC: ::c_long = 0x68191122;
1462         pub const RDTGROUP_SUPER_MAGIC: ::c_long = 0x7655821;
1463         pub const REISERFS_SUPER_MAGIC: ::c_long = 0x52654973;
1464         pub const SECURITYFS_MAGIC: ::c_long = 0x73636673;
1465         pub const SELINUX_MAGIC: ::c_long = 0xf97cff8c;
1466         pub const SMACK_MAGIC: ::c_long = 0x43415d53;
1467         pub const SMB_SUPER_MAGIC: ::c_long = 0x0000517b;
1468         pub const SYSFS_MAGIC: ::c_long = 0x62656572;
1469         pub const TMPFS_MAGIC: ::c_long = 0x01021994;
1470         pub const TRACEFS_MAGIC: ::c_long = 0x74726163;
1471         pub const UDF_SUPER_MAGIC: ::c_long = 0x15013346;
1472         pub const USBDEVICE_SUPER_MAGIC: ::c_long = 0x00009fa2;
1473         pub const XENFS_SUPER_MAGIC: ::c_long = 0xabba1974;
1474         pub const NSFS_MAGIC: ::c_long = 0x6e736673;
1475     } else if #[cfg(target_arch = "s390x")] {
1476         pub const ADFS_SUPER_MAGIC: ::c_uint = 0x0000adf5;
1477         pub const AFFS_SUPER_MAGIC: ::c_uint = 0x0000adff;
1478         pub const AFS_SUPER_MAGIC: ::c_uint = 0x5346414f;
1479         pub const AUTOFS_SUPER_MAGIC: ::c_uint = 0x0187;
1480         pub const BPF_FS_MAGIC: ::c_uint = 0xcafe4a11;
1481         pub const BTRFS_SUPER_MAGIC: ::c_uint = 0x9123683e;
1482         pub const CGROUP2_SUPER_MAGIC: ::c_uint = 0x63677270;
1483         pub const CGROUP_SUPER_MAGIC: ::c_uint = 0x27e0eb;
1484         pub const CODA_SUPER_MAGIC: ::c_uint = 0x73757245;
1485         pub const CRAMFS_MAGIC: ::c_uint = 0x28cd3d45;
1486         pub const DEBUGFS_MAGIC: ::c_uint = 0x64626720;
1487         pub const DEVPTS_SUPER_MAGIC: ::c_uint = 0x1cd1;
1488         pub const ECRYPTFS_SUPER_MAGIC: ::c_uint = 0xf15f;
1489         pub const EFS_SUPER_MAGIC: ::c_uint = 0x00414a53;
1490         pub const EXT2_SUPER_MAGIC: ::c_uint = 0x0000ef53;
1491         pub const EXT3_SUPER_MAGIC: ::c_uint = 0x0000ef53;
1492         pub const EXT4_SUPER_MAGIC: ::c_uint = 0x0000ef53;
1493         pub const F2FS_SUPER_MAGIC: ::c_uint = 0xf2f52010;
1494         pub const FUSE_SUPER_MAGIC: ::c_uint = 0x65735546;
1495         pub const FUTEXFS_SUPER_MAGIC: ::c_uint = 0xbad1dea;
1496         pub const HOSTFS_SUPER_MAGIC: ::c_uint = 0x00c0ffee;
1497         pub const HPFS_SUPER_MAGIC: ::c_uint = 0xf995e849;
1498         pub const HUGETLBFS_MAGIC: ::c_uint = 0x958458f6;
1499         pub const ISOFS_SUPER_MAGIC: ::c_uint = 0x00009660;
1500         pub const JFFS2_SUPER_MAGIC: ::c_uint = 0x000072b6;
1501         pub const MINIX2_SUPER_MAGIC2: ::c_uint = 0x00002478;
1502         pub const MINIX2_SUPER_MAGIC: ::c_uint = 0x00002468;
1503         pub const MINIX3_SUPER_MAGIC: ::c_uint = 0x4d5a;
1504         pub const MINIX_SUPER_MAGIC2: ::c_uint = 0x0000138f;
1505         pub const MINIX_SUPER_MAGIC: ::c_uint = 0x0000137f;
1506         pub const MSDOS_SUPER_MAGIC: ::c_uint = 0x00004d44;
1507         pub const NCP_SUPER_MAGIC: ::c_uint = 0x0000564c;
1508         pub const NFS_SUPER_MAGIC: ::c_uint = 0x00006969;
1509         pub const NILFS_SUPER_MAGIC: ::c_uint = 0x3434;
1510         pub const OCFS2_SUPER_MAGIC: ::c_uint = 0x7461636f;
1511         pub const OPENPROM_SUPER_MAGIC: ::c_uint = 0x00009fa1;
1512         pub const OVERLAYFS_SUPER_MAGIC: ::c_uint = 0x794c7630;
1513         pub const PROC_SUPER_MAGIC: ::c_uint = 0x00009fa0;
1514         pub const QNX4_SUPER_MAGIC: ::c_uint = 0x0000002f;
1515         pub const QNX6_SUPER_MAGIC: ::c_uint = 0x68191122;
1516         pub const RDTGROUP_SUPER_MAGIC: ::c_uint = 0x7655821;
1517         pub const REISERFS_SUPER_MAGIC: ::c_uint = 0x52654973;
1518         pub const SECURITYFS_MAGIC: ::c_uint = 0x73636673;
1519         pub const SELINUX_MAGIC: ::c_uint = 0xf97cff8c;
1520         pub const SMACK_MAGIC: ::c_uint = 0x43415d53;
1521         pub const SMB_SUPER_MAGIC: ::c_uint = 0x0000517b;
1522         pub const SYSFS_MAGIC: ::c_uint = 0x62656572;
1523         pub const TMPFS_MAGIC: ::c_uint = 0x01021994;
1524         pub const TRACEFS_MAGIC: ::c_uint = 0x74726163;
1525         pub const UDF_SUPER_MAGIC: ::c_uint = 0x15013346;
1526         pub const USBDEVICE_SUPER_MAGIC: ::c_uint = 0x00009fa2;
1527         pub const XENFS_SUPER_MAGIC: ::c_uint = 0xabba1974;
1528         pub const NSFS_MAGIC: ::c_uint = 0x6e736673;
1529     }
1530 }
1531 
1532 const_fn! {
1533     {const} fn CMSG_ALIGN(len: usize) -> usize {
1534         len + ::mem::size_of::<usize>() - 1 & !(::mem::size_of::<usize>() - 1)
1535     }
1536 }
1537 
1538 f! {
1539     pub fn CMSG_FIRSTHDR(mhdr: *const msghdr) -> *mut cmsghdr {
1540         if (*mhdr).msg_controllen as usize >= ::mem::size_of::<cmsghdr>() {
1541             (*mhdr).msg_control as *mut cmsghdr
1542         } else {
1543             0 as *mut cmsghdr
1544         }
1545     }
1546 
1547     pub fn CMSG_DATA(cmsg: *const cmsghdr) -> *mut ::c_uchar {
1548         cmsg.offset(1) as *mut ::c_uchar
1549     }
1550 
1551     pub {const} fn CMSG_SPACE(length: ::c_uint) -> ::c_uint {
1552         (CMSG_ALIGN(length as usize) + CMSG_ALIGN(::mem::size_of::<cmsghdr>())) as ::c_uint
1553     }
1554 
1555     pub {const} fn CMSG_LEN(length: ::c_uint) -> ::c_uint {
1556         CMSG_ALIGN(::mem::size_of::<cmsghdr>()) as ::c_uint + length
1557     }
1558 
1559     pub fn FD_CLR(fd: ::c_int, set: *mut fd_set) -> () {
1560         let fd = fd as usize;
1561         let size = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
1562         (*set).fds_bits[fd / size] &= !(1 << (fd % size));
1563         return;
1564     }
1565 
1566     pub fn FD_ISSET(fd: ::c_int, set: *const fd_set) -> bool {
1567         let fd = fd as usize;
1568         let size = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
1569         return ((*set).fds_bits[fd / size] & (1 << (fd % size))) != 0;
1570     }
1571 
1572     pub fn FD_SET(fd: ::c_int, set: *mut fd_set) -> () {
1573         let fd = fd as usize;
1574         let size = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
1575         (*set).fds_bits[fd / size] |= 1 << (fd % size);
1576         return;
1577     }
1578 
1579     pub fn FD_ZERO(set: *mut fd_set) -> () {
1580         for slot in (*set).fds_bits.iter_mut() {
1581             *slot = 0;
1582         }
1583     }
1584 }
1585 
1586 safe_f! {
1587     pub fn SIGRTMAX() -> ::c_int {
1588         unsafe { __libc_current_sigrtmax() }
1589     }
1590 
1591     pub fn SIGRTMIN() -> ::c_int {
1592         unsafe { __libc_current_sigrtmin() }
1593     }
1594 
1595     pub {const} fn WIFSTOPPED(status: ::c_int) -> bool {
1596         (status & 0xff) == 0x7f
1597     }
1598 
1599     pub {const} fn WSTOPSIG(status: ::c_int) -> ::c_int {
1600         (status >> 8) & 0xff
1601     }
1602 
1603     pub {const} fn WIFCONTINUED(status: ::c_int) -> bool {
1604         status == 0xffff
1605     }
1606 
1607     pub {const} fn WIFSIGNALED(status: ::c_int) -> bool {
1608         ((status & 0x7f) + 1) as i8 >= 2
1609     }
1610 
1611     pub {const} fn WTERMSIG(status: ::c_int) -> ::c_int {
1612         status & 0x7f
1613     }
1614 
1615     pub {const} fn WIFEXITED(status: ::c_int) -> bool {
1616         (status & 0x7f) == 0
1617     }
1618 
1619     pub {const} fn WEXITSTATUS(status: ::c_int) -> ::c_int {
1620         (status >> 8) & 0xff
1621     }
1622 
1623     pub {const} fn WCOREDUMP(status: ::c_int) -> bool {
1624         (status & 0x80) != 0
1625     }
1626 
1627     pub {const} fn W_EXITCODE(ret: ::c_int, sig: ::c_int) -> ::c_int {
1628         (ret << 8) | sig
1629     }
1630 
1631     pub {const} fn W_STOPCODE(sig: ::c_int) -> ::c_int {
1632         (sig << 8) | 0x7f
1633     }
1634 
1635     pub {const} fn QCMD(cmd: ::c_int, type_: ::c_int) -> ::c_int {
1636         (cmd << 8) | (type_ & 0x00ff)
1637     }
1638 
1639     pub {const} fn IPOPT_COPIED(o: u8) -> u8 {
1640         o & IPOPT_COPY
1641     }
1642 
1643     pub {const} fn IPOPT_CLASS(o: u8) -> u8 {
1644         o & IPOPT_CLASS_MASK
1645     }
1646 
1647     pub {const} fn IPOPT_NUMBER(o: u8) -> u8 {
1648         o & IPOPT_NUMBER_MASK
1649     }
1650 
1651     pub {const} fn IPTOS_ECN(x: u8) -> u8 {
1652         x & ::IPTOS_ECN_MASK
1653     }
1654 
1655     #[allow(ellipsis_inclusive_range_patterns)]
1656     pub {const} fn KERNEL_VERSION(a: u32, b: u32, c: u32) -> u32 {
1657         ((a << 16) + (b << 8))
1658             + match c {
1659                 0...255 => c,
1660                 _ => 255,
1661             }
1662     }
1663 }
1664 
1665 extern "C" {
1666     #[doc(hidden)]
1667     pub fn __libc_current_sigrtmax() -> ::c_int;
1668     #[doc(hidden)]
1669     pub fn __libc_current_sigrtmin() -> ::c_int;
1670 
1671     pub fn sem_destroy(sem: *mut sem_t) -> ::c_int;
1672     pub fn sem_init(sem: *mut sem_t, pshared: ::c_int, value: ::c_uint) -> ::c_int;
1673     pub fn fdatasync(fd: ::c_int) -> ::c_int;
1674     pub fn mincore(addr: *mut ::c_void, len: ::size_t, vec: *mut ::c_uchar) -> ::c_int;
1675 
1676     pub fn clock_getres(clk_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int;
1677     pub fn clock_gettime(clk_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int;
1678     pub fn clock_settime(clk_id: ::clockid_t, tp: *const ::timespec) -> ::c_int;
1679     pub fn clock_getcpuclockid(pid: ::pid_t, clk_id: *mut ::clockid_t) -> ::c_int;
1680 
1681     pub fn dirfd(dirp: *mut ::DIR) -> ::c_int;
1682 
1683     pub fn pthread_getattr_np(native: ::pthread_t, attr: *mut ::pthread_attr_t) -> ::c_int;
1684     pub fn pthread_attr_getstack(
1685         attr: *const ::pthread_attr_t,
1686         stackaddr: *mut *mut ::c_void,
1687         stacksize: *mut ::size_t,
1688     ) -> ::c_int;
1689     pub fn memalign(align: ::size_t, size: ::size_t) -> *mut ::c_void;
1690     pub fn setgroups(ngroups: ::size_t, ptr: *const ::gid_t) -> ::c_int;
1691     pub fn pipe2(fds: *mut ::c_int, flags: ::c_int) -> ::c_int;
1692     pub fn statfs(path: *const ::c_char, buf: *mut statfs) -> ::c_int;
1693     pub fn fstatfs(fd: ::c_int, buf: *mut statfs) -> ::c_int;
1694     pub fn memrchr(cx: *const ::c_void, c: ::c_int, n: ::size_t) -> *mut ::c_void;
1695     pub fn posix_fadvise(fd: ::c_int, offset: ::off_t, len: ::off_t, advise: ::c_int) -> ::c_int;
1696     pub fn futimens(fd: ::c_int, times: *const ::timespec) -> ::c_int;
1697     pub fn utimensat(
1698         dirfd: ::c_int,
1699         path: *const ::c_char,
1700         times: *const ::timespec,
1701         flag: ::c_int,
1702     ) -> ::c_int;
1703     pub fn duplocale(base: ::locale_t) -> ::locale_t;
1704     pub fn freelocale(loc: ::locale_t);
1705     pub fn newlocale(mask: ::c_int, locale: *const ::c_char, base: ::locale_t) -> ::locale_t;
1706     pub fn uselocale(loc: ::locale_t) -> ::locale_t;
1707     pub fn mknodat(
1708         dirfd: ::c_int,
1709         pathname: *const ::c_char,
1710         mode: ::mode_t,
1711         dev: dev_t,
1712     ) -> ::c_int;
1713     pub fn pthread_condattr_getclock(
1714         attr: *const pthread_condattr_t,
1715         clock_id: *mut clockid_t,
1716     ) -> ::c_int;
1717     pub fn pthread_condattr_setclock(
1718         attr: *mut pthread_condattr_t,
1719         clock_id: ::clockid_t,
1720     ) -> ::c_int;
1721     pub fn pthread_condattr_setpshared(attr: *mut pthread_condattr_t, pshared: ::c_int) -> ::c_int;
1722     pub fn pthread_mutexattr_setpshared(
1723         attr: *mut pthread_mutexattr_t,
1724         pshared: ::c_int,
1725     ) -> ::c_int;
1726     pub fn pthread_rwlockattr_getpshared(
1727         attr: *const pthread_rwlockattr_t,
1728         val: *mut ::c_int,
1729     ) -> ::c_int;
1730     pub fn pthread_rwlockattr_setpshared(attr: *mut pthread_rwlockattr_t, val: ::c_int) -> ::c_int;
1731     pub fn ptsname_r(fd: ::c_int, buf: *mut ::c_char, buflen: ::size_t) -> ::c_int;
1732     pub fn clearenv() -> ::c_int;
1733     pub fn waitid(idtype: idtype_t, id: id_t, infop: *mut ::siginfo_t, options: ::c_int)
1734         -> ::c_int;
1735     pub fn getresuid(ruid: *mut ::uid_t, euid: *mut ::uid_t, suid: *mut ::uid_t) -> ::c_int;
1736     pub fn getresgid(rgid: *mut ::gid_t, egid: *mut ::gid_t, sgid: *mut ::gid_t) -> ::c_int;
1737     pub fn acct(filename: *const ::c_char) -> ::c_int;
1738     pub fn brk(addr: *mut ::c_void) -> ::c_int;
1739     pub fn sbrk(increment: ::intptr_t) -> *mut ::c_void;
1740     #[deprecated(
1741         since = "0.2.66",
1742         note = "causes memory corruption, see rust-lang/libc#1596"
1743     )]
1744     pub fn vfork() -> ::pid_t;
1745     pub fn setresgid(rgid: ::gid_t, egid: ::gid_t, sgid: ::gid_t) -> ::c_int;
1746     pub fn setresuid(ruid: ::uid_t, euid: ::uid_t, suid: ::uid_t) -> ::c_int;
1747     pub fn wait4(
1748         pid: ::pid_t,
1749         status: *mut ::c_int,
1750         options: ::c_int,
1751         rusage: *mut ::rusage,
1752     ) -> ::pid_t;
1753     pub fn login_tty(fd: ::c_int) -> ::c_int;
1754 
1755     // DIFF(main): changed to `*const *mut` in e77f551de9
1756     pub fn execvpe(
1757         file: *const ::c_char,
1758         argv: *const *const ::c_char,
1759         envp: *const *const ::c_char,
1760     ) -> ::c_int;
1761     pub fn fexecve(
1762         fd: ::c_int,
1763         argv: *const *const ::c_char,
1764         envp: *const *const ::c_char,
1765     ) -> ::c_int;
1766 
1767     pub fn getifaddrs(ifap: *mut *mut ::ifaddrs) -> ::c_int;
1768     pub fn freeifaddrs(ifa: *mut ::ifaddrs);
1769     pub fn bind(socket: ::c_int, address: *const ::sockaddr, address_len: ::socklen_t) -> ::c_int;
1770 
1771     pub fn writev(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t;
1772     pub fn readv(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t;
1773 
1774     pub fn sendmsg(fd: ::c_int, msg: *const ::msghdr, flags: ::c_int) -> ::ssize_t;
1775     pub fn recvmsg(fd: ::c_int, msg: *mut ::msghdr, flags: ::c_int) -> ::ssize_t;
1776     pub fn uname(buf: *mut ::utsname) -> ::c_int;
1777 
1778     pub fn strchrnul(s: *const ::c_char, c: ::c_int) -> *mut ::c_char;
1779 
1780     pub fn strftime(
1781         s: *mut ::c_char,
1782         max: ::size_t,
1783         format: *const ::c_char,
1784         tm: *const ::tm,
1785     ) -> ::size_t;
1786     pub fn strftime_l(
1787         s: *mut ::c_char,
1788         max: ::size_t,
1789         format: *const ::c_char,
1790         tm: *const ::tm,
1791         locale: ::locale_t,
1792     ) -> ::size_t;
1793     pub fn strptime(s: *const ::c_char, format: *const ::c_char, tm: *mut ::tm) -> *mut ::c_char;
1794 
1795     pub fn mkostemp(template: *mut ::c_char, flags: ::c_int) -> ::c_int;
1796     pub fn mkostemps(template: *mut ::c_char, suffixlen: ::c_int, flags: ::c_int) -> ::c_int;
1797 }
1798 
1799 // LFS64 extensions
1800 //
1801 // * musl and Emscripten has 64-bit versions only so aliases the LFS64 symbols to the standard ones
1802 // * ulibc doesn't have preadv64/pwritev64
1803 cfg_if! {
1804     if #[cfg(not(any(target_env = "musl", target_os = "emscripten")))] {
1805         extern "C" {
1806             pub fn fstatfs64(fd: ::c_int, buf: *mut statfs64) -> ::c_int;
1807             pub fn statvfs64(path: *const ::c_char, buf: *mut statvfs64) -> ::c_int;
1808             pub fn fstatvfs64(fd: ::c_int, buf: *mut statvfs64) -> ::c_int;
1809             pub fn statfs64(path: *const ::c_char, buf: *mut statfs64) -> ::c_int;
1810             pub fn creat64(path: *const c_char, mode: mode_t) -> ::c_int;
1811             pub fn fstat64(fildes: ::c_int, buf: *mut stat64) -> ::c_int;
1812             pub fn fstatat64(
1813                 dirfd: ::c_int,
1814                 pathname: *const c_char,
1815                 buf: *mut stat64,
1816                 flags: ::c_int,
1817             ) -> ::c_int;
1818             pub fn ftruncate64(fd: ::c_int, length: off64_t) -> ::c_int;
1819             pub fn lseek64(fd: ::c_int, offset: off64_t, whence: ::c_int) -> off64_t;
1820             pub fn lstat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
1821             pub fn mmap64(
1822                 addr: *mut ::c_void,
1823                 len: ::size_t,
1824                 prot: ::c_int,
1825                 flags: ::c_int,
1826                 fd: ::c_int,
1827                 offset: off64_t,
1828             ) -> *mut ::c_void;
1829             pub fn open64(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
1830             pub fn openat64(fd: ::c_int, path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
1831             pub fn posix_fadvise64(
1832                 fd: ::c_int,
1833                 offset: ::off64_t,
1834                 len: ::off64_t,
1835                 advise: ::c_int,
1836             ) -> ::c_int;
1837             pub fn pread64(
1838                 fd: ::c_int,
1839                 buf: *mut ::c_void,
1840                 count: ::size_t,
1841                 offset: off64_t,
1842             ) -> ::ssize_t;
1843             pub fn pwrite64(
1844                 fd: ::c_int,
1845                 buf: *const ::c_void,
1846                 count: ::size_t,
1847                 offset: off64_t,
1848             ) -> ::ssize_t;
1849             pub fn readdir64(dirp: *mut ::DIR) -> *mut ::dirent64;
1850             pub fn readdir64_r(
1851                 dirp: *mut ::DIR,
1852                 entry: *mut ::dirent64,
1853                 result: *mut *mut ::dirent64,
1854             ) -> ::c_int;
1855             pub fn stat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
1856             pub fn truncate64(path: *const c_char, length: off64_t) -> ::c_int;
1857         }
1858     }
1859 }
1860 
1861 cfg_if! {
1862     if #[cfg(not(any(
1863         target_env = "uclibc",
1864         target_env = "musl",
1865         target_os = "emscripten"
1866     )))] {
1867         extern "C" {
1868             pub fn preadv64(
1869                 fd: ::c_int,
1870                 iov: *const ::iovec,
1871                 iovcnt: ::c_int,
1872                 offset: ::off64_t,
1873             ) -> ::ssize_t;
1874             pub fn pwritev64(
1875                 fd: ::c_int,
1876                 iov: *const ::iovec,
1877                 iovcnt: ::c_int,
1878                 offset: ::off64_t,
1879             ) -> ::ssize_t;
1880         }
1881     }
1882 }
1883 
1884 cfg_if! {
1885     if #[cfg(not(target_env = "uclibc"))] {
1886         extern "C" {
1887             // uclibc has separate non-const version of this function
1888             pub fn forkpty(
1889                 amaster: *mut ::c_int,
1890                 name: *mut ::c_char,
1891                 termp: *const termios,
1892                 winp: *const ::winsize,
1893             ) -> ::pid_t;
1894             // uclibc has separate non-const version of this function
1895             pub fn openpty(
1896                 amaster: *mut ::c_int,
1897                 aslave: *mut ::c_int,
1898                 name: *mut ::c_char,
1899                 termp: *const termios,
1900                 winp: *const ::winsize,
1901             ) -> ::c_int;
1902         }
1903     }
1904 }
1905 
1906 cfg_if! {
1907     if #[cfg(target_os = "emscripten")] {
1908         mod emscripten;
1909         pub use self::emscripten::*;
1910     } else if #[cfg(target_os = "linux")] {
1911         mod linux;
1912         pub use self::linux::*;
1913     } else if #[cfg(target_os = "l4re")] {
1914         mod linux;
1915         pub use self::linux::*;
1916     } else if #[cfg(target_os = "android")] {
1917         mod android;
1918         pub use self::android::*;
1919     } else {
1920         // Unknown target_os
1921     }
1922 }
1923