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 #[cfg_attr(feature = "extra_traits", derive(Debug))]
10 pub enum timezone {}
11 impl ::Copy for timezone {}
12 impl ::Clone for timezone {
13     fn clone(&self) -> timezone {
14         *self
15     }
16 }
17 
18 s! {
19     pub struct in_addr {
20         pub s_addr: ::in_addr_t,
21     }
22 
23     pub struct ip_mreq {
24         pub imr_multiaddr: in_addr,
25         pub imr_interface: in_addr,
26     }
27 
28     pub struct ip_mreqn {
29         pub imr_multiaddr: in_addr,
30         pub imr_address: in_addr,
31         pub imr_ifindex: ::c_int,
32     }
33 
34     pub struct ip_mreq_source {
35         pub imr_multiaddr: in_addr,
36         pub imr_interface: in_addr,
37         pub imr_sourceaddr: in_addr,
38     }
39 
40     pub struct sockaddr {
41         pub sa_family: sa_family_t,
42         pub sa_data: [::c_char; 14],
43     }
44 
45     pub struct sockaddr_in {
46         pub sin_family: sa_family_t,
47         pub sin_port: ::in_port_t,
48         pub sin_addr: ::in_addr,
49         pub sin_zero: [u8; 8],
50     }
51 
52     pub struct sockaddr_in6 {
53         pub sin6_family: sa_family_t,
54         pub sin6_port: ::in_port_t,
55         pub sin6_flowinfo: u32,
56         pub sin6_addr: ::in6_addr,
57         pub sin6_scope_id: u32,
58     }
59 
60     // The order of the `ai_addr` field in this struct is crucial
61     // for converting between the Rust and C types.
62     pub struct addrinfo {
63         pub ai_flags: ::c_int,
64         pub ai_family: ::c_int,
65         pub ai_socktype: ::c_int,
66         pub ai_protocol: ::c_int,
67         pub ai_addrlen: socklen_t,
68 
69         #[cfg(any(target_os = "linux",
70                   target_os = "emscripten"))]
71         pub ai_addr: *mut ::sockaddr,
72 
73         pub ai_canonname: *mut c_char,
74 
75         #[cfg(target_os = "android")]
76         pub ai_addr: *mut ::sockaddr,
77 
78         pub ai_next: *mut addrinfo,
79     }
80 
81     pub struct sockaddr_ll {
82         pub sll_family: ::c_ushort,
83         pub sll_protocol: ::c_ushort,
84         pub sll_ifindex: ::c_int,
85         pub sll_hatype: ::c_ushort,
86         pub sll_pkttype: ::c_uchar,
87         pub sll_halen: ::c_uchar,
88         pub sll_addr: [::c_uchar; 8]
89     }
90 
91     pub struct fd_set {
92         fds_bits: [::c_ulong; FD_SETSIZE / ULONG_SIZE],
93     }
94 
95     pub struct tm {
96         pub tm_sec: ::c_int,
97         pub tm_min: ::c_int,
98         pub tm_hour: ::c_int,
99         pub tm_mday: ::c_int,
100         pub tm_mon: ::c_int,
101         pub tm_year: ::c_int,
102         pub tm_wday: ::c_int,
103         pub tm_yday: ::c_int,
104         pub tm_isdst: ::c_int,
105         pub tm_gmtoff: ::c_long,
106         pub tm_zone: *const ::c_char,
107     }
108 
109     pub struct sched_param {
110         pub sched_priority: ::c_int,
111         #[cfg(any(target_env = "musl", target_os = "emscripten", target_env = "ohos"))]
112         pub sched_ss_low_priority: ::c_int,
113         #[cfg(any(target_env = "musl", target_os = "emscripten", target_env = "ohos"))]
114         pub sched_ss_repl_period: ::timespec,
115         #[cfg(any(target_env = "musl", target_os = "emscripten", target_env = "ohos"))]
116         pub sched_ss_init_budget: ::timespec,
117         #[cfg(any(target_env = "musl", target_os = "emscripten", target_env = "ohos"))]
118         pub sched_ss_max_repl: ::c_int,
119     }
120 
121     pub struct Dl_info {
122         pub dli_fname: *const ::c_char,
123         pub dli_fbase: *mut ::c_void,
124         pub dli_sname: *const ::c_char,
125         pub dli_saddr: *mut ::c_void,
126     }
127 
128     pub struct lconv {
129         pub decimal_point: *mut ::c_char,
130         pub thousands_sep: *mut ::c_char,
131         pub grouping: *mut ::c_char,
132         pub int_curr_symbol: *mut ::c_char,
133         pub currency_symbol: *mut ::c_char,
134         pub mon_decimal_point: *mut ::c_char,
135         pub mon_thousands_sep: *mut ::c_char,
136         pub mon_grouping: *mut ::c_char,
137         pub positive_sign: *mut ::c_char,
138         pub negative_sign: *mut ::c_char,
139         pub int_frac_digits: ::c_char,
140         pub frac_digits: ::c_char,
141         pub p_cs_precedes: ::c_char,
142         pub p_sep_by_space: ::c_char,
143         pub n_cs_precedes: ::c_char,
144         pub n_sep_by_space: ::c_char,
145         pub p_sign_posn: ::c_char,
146         pub n_sign_posn: ::c_char,
147         pub int_p_cs_precedes: ::c_char,
148         pub int_p_sep_by_space: ::c_char,
149         pub int_n_cs_precedes: ::c_char,
150         pub int_n_sep_by_space: ::c_char,
151         pub int_p_sign_posn: ::c_char,
152         pub int_n_sign_posn: ::c_char,
153     }
154 
155     pub struct in_pktinfo {
156         pub ipi_ifindex: ::c_int,
157         pub ipi_spec_dst: ::in_addr,
158         pub ipi_addr: ::in_addr,
159     }
160 
161     pub struct ifaddrs {
162         pub ifa_next: *mut ifaddrs,
163         pub ifa_name: *mut c_char,
164         pub ifa_flags: ::c_uint,
165         pub ifa_addr: *mut ::sockaddr,
166         pub ifa_netmask: *mut ::sockaddr,
167         pub ifa_ifu: *mut ::sockaddr, // FIXME This should be a union
168         pub ifa_data: *mut ::c_void
169     }
170 
171     pub struct in6_rtmsg {
172         rtmsg_dst: ::in6_addr,
173         rtmsg_src: ::in6_addr,
174         rtmsg_gateway: ::in6_addr,
175         rtmsg_type: u32,
176         rtmsg_dst_len: u16,
177         rtmsg_src_len: u16,
178         rtmsg_metric: u32,
179         rtmsg_info: ::c_ulong,
180         rtmsg_flags: u32,
181         rtmsg_ifindex: ::c_int,
182     }
183 
184     pub struct arpreq {
185         pub arp_pa: ::sockaddr,
186         pub arp_ha: ::sockaddr,
187         pub arp_flags: ::c_int,
188         pub arp_netmask: ::sockaddr,
189         pub arp_dev: [::c_char; 16],
190     }
191 
192     pub struct arpreq_old {
193         pub arp_pa: ::sockaddr,
194         pub arp_ha: ::sockaddr,
195         pub arp_flags: ::c_int,
196         pub arp_netmask: ::sockaddr,
197     }
198 
199     pub struct arphdr {
200         pub ar_hrd: u16,
201         pub ar_pro: u16,
202         pub ar_hln: u8,
203         pub ar_pln: u8,
204         pub ar_op: u16,
205     }
206 
207     pub struct mmsghdr {
208         pub msg_hdr: ::msghdr,
209         pub msg_len: ::c_uint,
210     }
211 }
212 
213 s_no_extra_traits! {
214     #[cfg_attr(
215         any(
216             all(
217                 target_arch = "x86",
218                 not(target_env = "musl"),
219                 not(target_os = "android")),
220             target_arch = "x86_64"),
221         repr(packed))]
222     pub struct epoll_event {
223         pub events: u32,
224         pub u64: u64,
225     }
226 
227     pub struct sockaddr_un {
228         pub sun_family: sa_family_t,
229         pub sun_path: [::c_char; 108]
230     }
231 
232     pub struct sockaddr_storage {
233         pub ss_family: sa_family_t,
234         #[cfg(target_pointer_width = "32")]
235         __ss_pad2: [u8; 128 - 2 - 4],
236         #[cfg(target_pointer_width = "64")]
237         __ss_pad2: [u8; 128 - 2 - 8],
238         __ss_align: ::size_t,
239     }
240 
241     pub struct utsname {
242         pub sysname: [::c_char; 65],
243         pub nodename: [::c_char; 65],
244         pub release: [::c_char; 65],
245         pub version: [::c_char; 65],
246         pub machine: [::c_char; 65],
247         pub domainname: [::c_char; 65]
248     }
249 
250     pub struct sigevent {
251         pub sigev_value: ::sigval,
252         pub sigev_signo: ::c_int,
253         pub sigev_notify: ::c_int,
254         // Actually a union.  We only expose sigev_notify_thread_id because it's
255         // the most useful member
256         pub sigev_notify_thread_id: ::c_int,
257         #[cfg(target_pointer_width = "64")]
258         __unused1: [::c_int; 11],
259         #[cfg(target_pointer_width = "32")]
260         __unused1: [::c_int; 12]
261     }
262 }
263 
264 cfg_if! {
265     if #[cfg(feature = "extra_traits")] {
266         impl PartialEq for epoll_event {
267             fn eq(&self, other: &epoll_event) -> bool {
268                 self.events == other.events
269                     && self.u64 == other.u64
270             }
271         }
272         impl Eq for epoll_event {}
273         impl ::fmt::Debug for epoll_event {
274             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
275                 let events = self.events;
276                 let u64 = self.u64;
277                 f.debug_struct("epoll_event")
278                     .field("events", &events)
279                     .field("u64", &u64)
280                     .finish()
281             }
282         }
283         impl ::hash::Hash for epoll_event {
284             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
285                 let events = self.events;
286                 let u64 = self.u64;
287                 events.hash(state);
288                 u64.hash(state);
289             }
290         }
291 
292         impl PartialEq for sockaddr_un {
293             fn eq(&self, other: &sockaddr_un) -> bool {
294                 self.sun_family == other.sun_family
295                     && self
296                     .sun_path
297                     .iter()
298                     .zip(other.sun_path.iter())
299                     .all(|(a, b)| a == b)
300             }
301         }
302         impl Eq for sockaddr_un {}
303         impl ::fmt::Debug for sockaddr_un {
304             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
305                 f.debug_struct("sockaddr_un")
306                     .field("sun_family", &self.sun_family)
307                 // FIXME: .field("sun_path", &self.sun_path)
308                     .finish()
309             }
310         }
311         impl ::hash::Hash for sockaddr_un {
312             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
313                 self.sun_family.hash(state);
314                 self.sun_path.hash(state);
315             }
316         }
317 
318         impl PartialEq for sockaddr_storage {
319             fn eq(&self, other: &sockaddr_storage) -> bool {
320                 self.ss_family == other.ss_family
321                     && self
322                     .__ss_pad2
323                     .iter()
324                     .zip(other.__ss_pad2.iter())
325                     .all(|(a, b)| a == b)
326             }
327         }
328 
329         impl Eq for sockaddr_storage {}
330 
331         impl ::fmt::Debug for sockaddr_storage {
332             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
333                 f.debug_struct("sockaddr_storage")
334                     .field("ss_family", &self.ss_family)
335                     .field("__ss_align", &self.__ss_align)
336                 // FIXME: .field("__ss_pad2", &self.__ss_pad2)
337                     .finish()
338             }
339         }
340 
341         impl ::hash::Hash for sockaddr_storage {
342             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
343                 self.ss_family.hash(state);
344                 self.__ss_pad2.hash(state);
345             }
346         }
347 
348         impl PartialEq for utsname {
349             fn eq(&self, other: &utsname) -> bool {
350                 self.sysname
351                     .iter()
352                     .zip(other.sysname.iter())
353                     .all(|(a, b)| a == b)
354                     && self
355                     .nodename
356                     .iter()
357                     .zip(other.nodename.iter())
358                     .all(|(a, b)| a == b)
359                     && self
360                     .release
361                     .iter()
362                     .zip(other.release.iter())
363                     .all(|(a, b)| a == b)
364                     && self
365                     .version
366                     .iter()
367                     .zip(other.version.iter())
368                     .all(|(a, b)| a == b)
369                     && self
370                     .machine
371                     .iter()
372                     .zip(other.machine.iter())
373                     .all(|(a, b)| a == b)
374                     && self
375                     .domainname
376                     .iter()
377                     .zip(other.domainname.iter())
378                     .all(|(a, b)| a == b)
379             }
380         }
381 
382         impl Eq for utsname {}
383 
384         impl ::fmt::Debug for utsname {
385             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
386                 f.debug_struct("utsname")
387                 // FIXME: .field("sysname", &self.sysname)
388                 // FIXME: .field("nodename", &self.nodename)
389                 // FIXME: .field("release", &self.release)
390                 // FIXME: .field("version", &self.version)
391                 // FIXME: .field("machine", &self.machine)
392                 // FIXME: .field("domainname", &self.domainname)
393                     .finish()
394             }
395         }
396 
397         impl ::hash::Hash for utsname {
398             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
399                 self.sysname.hash(state);
400                 self.nodename.hash(state);
401                 self.release.hash(state);
402                 self.version.hash(state);
403                 self.machine.hash(state);
404                 self.domainname.hash(state);
405             }
406         }
407 
408         impl PartialEq for sigevent {
409             fn eq(&self, other: &sigevent) -> bool {
410                 self.sigev_value == other.sigev_value
411                     && self.sigev_signo == other.sigev_signo
412                     && self.sigev_notify == other.sigev_notify
413                     && self.sigev_notify_thread_id
414                         == other.sigev_notify_thread_id
415             }
416         }
417         impl Eq for sigevent {}
418         impl ::fmt::Debug for sigevent {
419             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
420                 f.debug_struct("sigevent")
421                     .field("sigev_value", &self.sigev_value)
422                     .field("sigev_signo", &self.sigev_signo)
423                     .field("sigev_notify", &self.sigev_notify)
424                     .field("sigev_notify_thread_id",
425                            &self.sigev_notify_thread_id)
426                     .finish()
427             }
428         }
429         impl ::hash::Hash for sigevent {
430             fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
431                 self.sigev_value.hash(state);
432                 self.sigev_signo.hash(state);
433                 self.sigev_notify.hash(state);
434                 self.sigev_notify_thread_id.hash(state);
435             }
436         }
437     }
438 }
439 
440 // intentionally not public, only used for fd_set
441 cfg_if! {
442     if #[cfg(target_pointer_width = "32")] {
443         const ULONG_SIZE: usize = 32;
444     } else if #[cfg(target_pointer_width = "64")] {
445         const ULONG_SIZE: usize = 64;
446     } else {
447         // Unknown target_pointer_width
448     }
449 }
450 
451 pub const EXIT_FAILURE: ::c_int = 1;
452 pub const EXIT_SUCCESS: ::c_int = 0;
453 pub const RAND_MAX: ::c_int = 2147483647;
454 pub const EOF: ::c_int = -1;
455 pub const SEEK_SET: ::c_int = 0;
456 pub const SEEK_CUR: ::c_int = 1;
457 pub const SEEK_END: ::c_int = 2;
458 pub const _IOFBF: ::c_int = 0;
459 pub const _IONBF: ::c_int = 2;
460 pub const _IOLBF: ::c_int = 1;
461 
462 pub const F_DUPFD: ::c_int = 0;
463 pub const F_GETFD: ::c_int = 1;
464 pub const F_SETFD: ::c_int = 2;
465 pub const F_GETFL: ::c_int = 3;
466 pub const F_SETFL: ::c_int = 4;
467 
468 // Linux-specific fcntls
469 pub const F_SETLEASE: ::c_int = 1024;
470 pub const F_GETLEASE: ::c_int = 1025;
471 pub const F_NOTIFY: ::c_int = 1026;
472 pub const F_CANCELLK: ::c_int = 1029;
473 pub const F_DUPFD_CLOEXEC: ::c_int = 1030;
474 pub const F_SETPIPE_SZ: ::c_int = 1031;
475 pub const F_GETPIPE_SZ: ::c_int = 1032;
476 pub const F_ADD_SEALS: ::c_int = 1033;
477 pub const F_GET_SEALS: ::c_int = 1034;
478 
479 pub const F_SEAL_SEAL: ::c_int = 0x0001;
480 pub const F_SEAL_SHRINK: ::c_int = 0x0002;
481 pub const F_SEAL_GROW: ::c_int = 0x0004;
482 pub const F_SEAL_WRITE: ::c_int = 0x0008;
483 
484 // FIXME(#235): Include file sealing fcntls once we have a way to verify them.
485 
486 pub const SIGTRAP: ::c_int = 5;
487 
488 pub const PTHREAD_CREATE_JOINABLE: ::c_int = 0;
489 pub const PTHREAD_CREATE_DETACHED: ::c_int = 1;
490 
491 pub const CLOCK_REALTIME: ::clockid_t = 0;
492 pub const CLOCK_MONOTONIC: ::clockid_t = 1;
493 pub const CLOCK_PROCESS_CPUTIME_ID: ::clockid_t = 2;
494 pub const CLOCK_THREAD_CPUTIME_ID: ::clockid_t = 3;
495 pub const CLOCK_MONOTONIC_RAW: ::clockid_t = 4;
496 pub const CLOCK_REALTIME_COARSE: ::clockid_t = 5;
497 pub const CLOCK_MONOTONIC_COARSE: ::clockid_t = 6;
498 pub const CLOCK_BOOTTIME: ::clockid_t = 7;
499 pub const CLOCK_REALTIME_ALARM: ::clockid_t = 8;
500 pub const CLOCK_BOOTTIME_ALARM: ::clockid_t = 9;
501 pub const CLOCK_TAI: ::clockid_t = 11;
502 pub const TIMER_ABSTIME: ::c_int = 1;
503 
504 pub const RUSAGE_SELF: ::c_int = 0;
505 
506 pub const O_RDONLY: ::c_int = 0;
507 pub const O_WRONLY: ::c_int = 1;
508 pub const O_RDWR: ::c_int = 2;
509 
510 pub const SOCK_CLOEXEC: ::c_int = O_CLOEXEC;
511 
512 pub const S_IFIFO: ::mode_t = 4096;
513 pub const S_IFCHR: ::mode_t = 8192;
514 pub const S_IFBLK: ::mode_t = 24576;
515 pub const S_IFDIR: ::mode_t = 16384;
516 pub const S_IFREG: ::mode_t = 32768;
517 pub const S_IFLNK: ::mode_t = 40960;
518 pub const S_IFSOCK: ::mode_t = 49152;
519 pub const S_IFMT: ::mode_t = 61440;
520 pub const S_IRWXU: ::mode_t = 448;
521 pub const S_IXUSR: ::mode_t = 64;
522 pub const S_IWUSR: ::mode_t = 128;
523 pub const S_IRUSR: ::mode_t = 256;
524 pub const S_IRWXG: ::mode_t = 56;
525 pub const S_IXGRP: ::mode_t = 8;
526 pub const S_IWGRP: ::mode_t = 16;
527 pub const S_IRGRP: ::mode_t = 32;
528 pub const S_IRWXO: ::mode_t = 7;
529 pub const S_IXOTH: ::mode_t = 1;
530 pub const S_IWOTH: ::mode_t = 2;
531 pub const S_IROTH: ::mode_t = 4;
532 pub const F_OK: ::c_int = 0;
533 pub const R_OK: ::c_int = 4;
534 pub const W_OK: ::c_int = 2;
535 pub const X_OK: ::c_int = 1;
536 pub const STDIN_FILENO: ::c_int = 0;
537 pub const STDOUT_FILENO: ::c_int = 1;
538 pub const STDERR_FILENO: ::c_int = 2;
539 pub const SIGHUP: ::c_int = 1;
540 pub const SIGINT: ::c_int = 2;
541 pub const SIGQUIT: ::c_int = 3;
542 pub const SIGILL: ::c_int = 4;
543 pub const SIGABRT: ::c_int = 6;
544 pub const SIGFPE: ::c_int = 8;
545 pub const SIGKILL: ::c_int = 9;
546 pub const SIGSEGV: ::c_int = 11;
547 pub const SIGPIPE: ::c_int = 13;
548 pub const SIGALRM: ::c_int = 14;
549 pub const SIGTERM: ::c_int = 15;
550 
551 pub const PROT_NONE: ::c_int = 0;
552 pub const PROT_READ: ::c_int = 1;
553 pub const PROT_WRITE: ::c_int = 2;
554 pub const PROT_EXEC: ::c_int = 4;
555 
556 pub const XATTR_CREATE: ::c_int = 0x1;
557 pub const XATTR_REPLACE: ::c_int = 0x2;
558 
559 cfg_if! {
560     if #[cfg(target_os = "android")] {
561         pub const RLIM64_INFINITY: ::c_ulonglong = !0;
562     } else {
563         pub const RLIM64_INFINITY: ::rlim64_t = !0;
564     }
565 }
566 
567 cfg_if! {
568     if #[cfg(target_env = "ohos")] {
569         pub const LC_CTYPE: ::c_int = 0;
570         pub const LC_NUMERIC: ::c_int = 1;
571         pub const LC_TIME: ::c_int = 2;
572         pub const LC_COLLATE: ::c_int = 3;
573         pub const LC_MONETARY: ::c_int = 4;
574         pub const LC_MESSAGES: ::c_int = 5;
575         pub const LC_PAPER: ::c_int = 6;
576         pub const LC_NAME: ::c_int = 7;
577         pub const LC_ADDRESS: ::c_int = 8;
578         pub const LC_TELEPHONE: ::c_int = 9;
579         pub const LC_MEASUREMENT: ::c_int = 10;
580         pub const LC_IDENTIFICATION: ::c_int = 11;
581         pub const LC_ALL: ::c_int = 12;
582     } else if #[cfg(not(target_env = "uclibc"))] {
583         pub const LC_CTYPE: ::c_int = 0;
584         pub const LC_NUMERIC: ::c_int = 1;
585         pub const LC_TIME: ::c_int = 2;
586         pub const LC_COLLATE: ::c_int = 3;
587         pub const LC_MONETARY: ::c_int = 4;
588         pub const LC_MESSAGES: ::c_int = 5;
589         pub const LC_ALL: ::c_int = 6;
590     }
591 }
592 
593 pub const LC_CTYPE_MASK: ::c_int = 1 << LC_CTYPE;
594 pub const LC_NUMERIC_MASK: ::c_int = 1 << LC_NUMERIC;
595 pub const LC_TIME_MASK: ::c_int = 1 << LC_TIME;
596 pub const LC_COLLATE_MASK: ::c_int = 1 << LC_COLLATE;
597 pub const LC_MONETARY_MASK: ::c_int = 1 << LC_MONETARY;
598 pub const LC_MESSAGES_MASK: ::c_int = 1 << LC_MESSAGES;
599 // LC_ALL_MASK defined per platform
600 
601 pub const MAP_FILE: ::c_int = 0x0000;
602 pub const MAP_SHARED: ::c_int = 0x0001;
603 pub const MAP_PRIVATE: ::c_int = 0x0002;
604 pub const MAP_FIXED: ::c_int = 0x0010;
605 
606 pub const MAP_FAILED: *mut ::c_void = !0 as *mut ::c_void;
607 
608 // MS_ flags for msync(2)
609 pub const MS_ASYNC: ::c_int = 0x0001;
610 pub const MS_INVALIDATE: ::c_int = 0x0002;
611 pub const MS_SYNC: ::c_int = 0x0004;
612 
613 // MS_ flags for mount(2)
614 pub const MS_RDONLY: ::c_ulong = 0x01;
615 pub const MS_NOSUID: ::c_ulong = 0x02;
616 pub const MS_NODEV: ::c_ulong = 0x04;
617 pub const MS_NOEXEC: ::c_ulong = 0x08;
618 pub const MS_SYNCHRONOUS: ::c_ulong = 0x10;
619 pub const MS_REMOUNT: ::c_ulong = 0x20;
620 pub const MS_MANDLOCK: ::c_ulong = 0x40;
621 pub const MS_DIRSYNC: ::c_ulong = 0x80;
622 pub const MS_NOATIME: ::c_ulong = 0x0400;
623 pub const MS_NODIRATIME: ::c_ulong = 0x0800;
624 pub const MS_BIND: ::c_ulong = 0x1000;
625 pub const MS_MOVE: ::c_ulong = 0x2000;
626 pub const MS_REC: ::c_ulong = 0x4000;
627 pub const MS_SILENT: ::c_ulong = 0x8000;
628 pub const MS_POSIXACL: ::c_ulong = 0x010000;
629 pub const MS_UNBINDABLE: ::c_ulong = 0x020000;
630 pub const MS_PRIVATE: ::c_ulong = 0x040000;
631 pub const MS_SLAVE: ::c_ulong = 0x080000;
632 pub const MS_SHARED: ::c_ulong = 0x100000;
633 pub const MS_RELATIME: ::c_ulong = 0x200000;
634 pub const MS_KERNMOUNT: ::c_ulong = 0x400000;
635 pub const MS_I_VERSION: ::c_ulong = 0x800000;
636 pub const MS_STRICTATIME: ::c_ulong = 0x1000000;
637 pub const MS_LAZYTIME: ::c_ulong = 0x2000000;
638 pub const MS_ACTIVE: ::c_ulong = 0x40000000;
639 pub const MS_MGC_VAL: ::c_ulong = 0xc0ed0000;
640 pub const MS_MGC_MSK: ::c_ulong = 0xffff0000;
641 
642 pub const SCM_RIGHTS: ::c_int = 0x01;
643 pub const SCM_CREDENTIALS: ::c_int = 0x02;
644 
645 pub const PROT_GROWSDOWN: ::c_int = 0x1000000;
646 pub const PROT_GROWSUP: ::c_int = 0x2000000;
647 
648 pub const MAP_TYPE: ::c_int = 0x000f;
649 
650 pub const MADV_NORMAL: ::c_int = 0;
651 pub const MADV_RANDOM: ::c_int = 1;
652 pub const MADV_SEQUENTIAL: ::c_int = 2;
653 pub const MADV_WILLNEED: ::c_int = 3;
654 pub const MADV_DONTNEED: ::c_int = 4;
655 pub const MADV_FREE: ::c_int = 8;
656 pub const MADV_REMOVE: ::c_int = 9;
657 pub const MADV_DONTFORK: ::c_int = 10;
658 pub const MADV_DOFORK: ::c_int = 11;
659 pub const MADV_MERGEABLE: ::c_int = 12;
660 pub const MADV_UNMERGEABLE: ::c_int = 13;
661 pub const MADV_HUGEPAGE: ::c_int = 14;
662 pub const MADV_NOHUGEPAGE: ::c_int = 15;
663 pub const MADV_DONTDUMP: ::c_int = 16;
664 pub const MADV_DODUMP: ::c_int = 17;
665 pub const MADV_WIPEONFORK: ::c_int = 18;
666 pub const MADV_KEEPONFORK: ::c_int = 19;
667 pub const MADV_COLD: ::c_int = 20;
668 pub const MADV_PAGEOUT: ::c_int = 21;
669 pub const MADV_HWPOISON: ::c_int = 100;
670 cfg_if! {
671     if #[cfg(not(target_os = "emscripten"))] {
672         pub const MADV_POPULATE_READ: ::c_int = 22;
673         pub const MADV_POPULATE_WRITE: ::c_int = 23;
674         pub const MADV_DONTNEED_LOCKED: ::c_int = 24;
675     }
676 }
677 
678 pub const IFF_UP: ::c_int = 0x1;
679 pub const IFF_BROADCAST: ::c_int = 0x2;
680 pub const IFF_DEBUG: ::c_int = 0x4;
681 pub const IFF_LOOPBACK: ::c_int = 0x8;
682 pub const IFF_POINTOPOINT: ::c_int = 0x10;
683 pub const IFF_NOTRAILERS: ::c_int = 0x20;
684 pub const IFF_RUNNING: ::c_int = 0x40;
685 pub const IFF_NOARP: ::c_int = 0x80;
686 pub const IFF_PROMISC: ::c_int = 0x100;
687 pub const IFF_ALLMULTI: ::c_int = 0x200;
688 pub const IFF_MASTER: ::c_int = 0x400;
689 pub const IFF_SLAVE: ::c_int = 0x800;
690 pub const IFF_MULTICAST: ::c_int = 0x1000;
691 pub const IFF_PORTSEL: ::c_int = 0x2000;
692 pub const IFF_AUTOMEDIA: ::c_int = 0x4000;
693 pub const IFF_DYNAMIC: ::c_int = 0x8000;
694 
695 pub const SOL_IP: ::c_int = 0;
696 pub const SOL_TCP: ::c_int = 6;
697 pub const SOL_UDP: ::c_int = 17;
698 pub const SOL_IPV6: ::c_int = 41;
699 pub const SOL_ICMPV6: ::c_int = 58;
700 pub const SOL_RAW: ::c_int = 255;
701 pub const SOL_DECNET: ::c_int = 261;
702 pub const SOL_X25: ::c_int = 262;
703 pub const SOL_PACKET: ::c_int = 263;
704 pub const SOL_ATM: ::c_int = 264;
705 pub const SOL_AAL: ::c_int = 265;
706 pub const SOL_IRDA: ::c_int = 266;
707 pub const SOL_NETBEUI: ::c_int = 267;
708 pub const SOL_LLC: ::c_int = 268;
709 pub const SOL_DCCP: ::c_int = 269;
710 pub const SOL_NETLINK: ::c_int = 270;
711 pub const SOL_TIPC: ::c_int = 271;
712 pub const SOL_BLUETOOTH: ::c_int = 274;
713 pub const SOL_ALG: ::c_int = 279;
714 
715 pub const AF_UNSPEC: ::c_int = 0;
716 pub const AF_UNIX: ::c_int = 1;
717 pub const AF_LOCAL: ::c_int = 1;
718 pub const AF_INET: ::c_int = 2;
719 pub const AF_AX25: ::c_int = 3;
720 pub const AF_IPX: ::c_int = 4;
721 pub const AF_APPLETALK: ::c_int = 5;
722 pub const AF_NETROM: ::c_int = 6;
723 pub const AF_BRIDGE: ::c_int = 7;
724 pub const AF_ATMPVC: ::c_int = 8;
725 pub const AF_X25: ::c_int = 9;
726 pub const AF_INET6: ::c_int = 10;
727 pub const AF_ROSE: ::c_int = 11;
728 pub const AF_DECnet: ::c_int = 12;
729 pub const AF_NETBEUI: ::c_int = 13;
730 pub const AF_SECURITY: ::c_int = 14;
731 pub const AF_KEY: ::c_int = 15;
732 pub const AF_NETLINK: ::c_int = 16;
733 pub const AF_ROUTE: ::c_int = AF_NETLINK;
734 pub const AF_PACKET: ::c_int = 17;
735 pub const AF_ASH: ::c_int = 18;
736 pub const AF_ECONET: ::c_int = 19;
737 pub const AF_ATMSVC: ::c_int = 20;
738 pub const AF_RDS: ::c_int = 21;
739 pub const AF_SNA: ::c_int = 22;
740 pub const AF_IRDA: ::c_int = 23;
741 pub const AF_PPPOX: ::c_int = 24;
742 pub const AF_WANPIPE: ::c_int = 25;
743 pub const AF_LLC: ::c_int = 26;
744 pub const AF_CAN: ::c_int = 29;
745 pub const AF_TIPC: ::c_int = 30;
746 pub const AF_BLUETOOTH: ::c_int = 31;
747 pub const AF_IUCV: ::c_int = 32;
748 pub const AF_RXRPC: ::c_int = 33;
749 pub const AF_ISDN: ::c_int = 34;
750 pub const AF_PHONET: ::c_int = 35;
751 pub const AF_IEEE802154: ::c_int = 36;
752 pub const AF_CAIF: ::c_int = 37;
753 pub const AF_ALG: ::c_int = 38;
754 
755 pub const PF_UNSPEC: ::c_int = AF_UNSPEC;
756 pub const PF_UNIX: ::c_int = AF_UNIX;
757 pub const PF_LOCAL: ::c_int = AF_LOCAL;
758 pub const PF_INET: ::c_int = AF_INET;
759 pub const PF_AX25: ::c_int = AF_AX25;
760 pub const PF_IPX: ::c_int = AF_IPX;
761 pub const PF_APPLETALK: ::c_int = AF_APPLETALK;
762 pub const PF_NETROM: ::c_int = AF_NETROM;
763 pub const PF_BRIDGE: ::c_int = AF_BRIDGE;
764 pub const PF_ATMPVC: ::c_int = AF_ATMPVC;
765 pub const PF_X25: ::c_int = AF_X25;
766 pub const PF_INET6: ::c_int = AF_INET6;
767 pub const PF_ROSE: ::c_int = AF_ROSE;
768 pub const PF_DECnet: ::c_int = AF_DECnet;
769 pub const PF_NETBEUI: ::c_int = AF_NETBEUI;
770 pub const PF_SECURITY: ::c_int = AF_SECURITY;
771 pub const PF_KEY: ::c_int = AF_KEY;
772 pub const PF_NETLINK: ::c_int = AF_NETLINK;
773 pub const PF_ROUTE: ::c_int = AF_ROUTE;
774 pub const PF_PACKET: ::c_int = AF_PACKET;
775 pub const PF_ASH: ::c_int = AF_ASH;
776 pub const PF_ECONET: ::c_int = AF_ECONET;
777 pub const PF_ATMSVC: ::c_int = AF_ATMSVC;
778 pub const PF_RDS: ::c_int = AF_RDS;
779 pub const PF_SNA: ::c_int = AF_SNA;
780 pub const PF_IRDA: ::c_int = AF_IRDA;
781 pub const PF_PPPOX: ::c_int = AF_PPPOX;
782 pub const PF_WANPIPE: ::c_int = AF_WANPIPE;
783 pub const PF_LLC: ::c_int = AF_LLC;
784 pub const PF_CAN: ::c_int = AF_CAN;
785 pub const PF_TIPC: ::c_int = AF_TIPC;
786 pub const PF_BLUETOOTH: ::c_int = AF_BLUETOOTH;
787 pub const PF_IUCV: ::c_int = AF_IUCV;
788 pub const PF_RXRPC: ::c_int = AF_RXRPC;
789 pub const PF_ISDN: ::c_int = AF_ISDN;
790 pub const PF_PHONET: ::c_int = AF_PHONET;
791 pub const PF_IEEE802154: ::c_int = AF_IEEE802154;
792 pub const PF_CAIF: ::c_int = AF_CAIF;
793 pub const PF_ALG: ::c_int = AF_ALG;
794 
795 pub const MSG_OOB: ::c_int = 1;
796 pub const MSG_PEEK: ::c_int = 2;
797 pub const MSG_DONTROUTE: ::c_int = 4;
798 pub const MSG_CTRUNC: ::c_int = 8;
799 pub const MSG_TRUNC: ::c_int = 0x20;
800 pub const MSG_DONTWAIT: ::c_int = 0x40;
801 pub const MSG_EOR: ::c_int = 0x80;
802 pub const MSG_WAITALL: ::c_int = 0x100;
803 pub const MSG_FIN: ::c_int = 0x200;
804 pub const MSG_SYN: ::c_int = 0x400;
805 pub const MSG_CONFIRM: ::c_int = 0x800;
806 pub const MSG_RST: ::c_int = 0x1000;
807 pub const MSG_ERRQUEUE: ::c_int = 0x2000;
808 pub const MSG_NOSIGNAL: ::c_int = 0x4000;
809 pub const MSG_MORE: ::c_int = 0x8000;
810 pub const MSG_WAITFORONE: ::c_int = 0x10000;
811 pub const MSG_FASTOPEN: ::c_int = 0x20000000;
812 pub const MSG_CMSG_CLOEXEC: ::c_int = 0x40000000;
813 
814 pub const SCM_TIMESTAMP: ::c_int = SO_TIMESTAMP;
815 
816 pub const SOCK_RAW: ::c_int = 3;
817 pub const SOCK_RDM: ::c_int = 4;
818 pub const IP_TOS: ::c_int = 1;
819 pub const IP_TTL: ::c_int = 2;
820 pub const IP_HDRINCL: ::c_int = 3;
821 pub const IP_OPTIONS: ::c_int = 4;
822 pub const IP_ROUTER_ALERT: ::c_int = 5;
823 pub const IP_RECVOPTS: ::c_int = 6;
824 pub const IP_RETOPTS: ::c_int = 7;
825 pub const IP_PKTINFO: ::c_int = 8;
826 pub const IP_PKTOPTIONS: ::c_int = 9;
827 pub const IP_MTU_DISCOVER: ::c_int = 10;
828 pub const IP_RECVERR: ::c_int = 11;
829 pub const IP_RECVTTL: ::c_int = 12;
830 pub const IP_RECVTOS: ::c_int = 13;
831 pub const IP_MTU: ::c_int = 14;
832 pub const IP_FREEBIND: ::c_int = 15;
833 pub const IP_IPSEC_POLICY: ::c_int = 16;
834 pub const IP_XFRM_POLICY: ::c_int = 17;
835 pub const IP_PASSSEC: ::c_int = 18;
836 pub const IP_TRANSPARENT: ::c_int = 19;
837 pub const IP_ORIGDSTADDR: ::c_int = 20;
838 pub const IP_RECVORIGDSTADDR: ::c_int = IP_ORIGDSTADDR;
839 pub const IP_MINTTL: ::c_int = 21;
840 pub const IP_NODEFRAG: ::c_int = 22;
841 pub const IP_CHECKSUM: ::c_int = 23;
842 pub const IP_BIND_ADDRESS_NO_PORT: ::c_int = 24;
843 pub const IP_MULTICAST_IF: ::c_int = 32;
844 pub const IP_MULTICAST_TTL: ::c_int = 33;
845 pub const IP_MULTICAST_LOOP: ::c_int = 34;
846 pub const IP_ADD_MEMBERSHIP: ::c_int = 35;
847 pub const IP_DROP_MEMBERSHIP: ::c_int = 36;
848 pub const IP_UNBLOCK_SOURCE: ::c_int = 37;
849 pub const IP_BLOCK_SOURCE: ::c_int = 38;
850 pub const IP_ADD_SOURCE_MEMBERSHIP: ::c_int = 39;
851 pub const IP_DROP_SOURCE_MEMBERSHIP: ::c_int = 40;
852 pub const IP_MSFILTER: ::c_int = 41;
853 pub const IP_MULTICAST_ALL: ::c_int = 49;
854 pub const IP_UNICAST_IF: ::c_int = 50;
855 
856 pub const IP_DEFAULT_MULTICAST_TTL: ::c_int = 1;
857 pub const IP_DEFAULT_MULTICAST_LOOP: ::c_int = 1;
858 
859 pub const IP_PMTUDISC_DONT: ::c_int = 0;
860 pub const IP_PMTUDISC_WANT: ::c_int = 1;
861 pub const IP_PMTUDISC_DO: ::c_int = 2;
862 pub const IP_PMTUDISC_PROBE: ::c_int = 3;
863 pub const IP_PMTUDISC_INTERFACE: ::c_int = 4;
864 pub const IP_PMTUDISC_OMIT: ::c_int = 5;
865 
866 // IPPROTO_IP defined in src/unix/mod.rs
867 /// Hop-by-hop option header
868 pub const IPPROTO_HOPOPTS: ::c_int = 0;
869 // IPPROTO_ICMP defined in src/unix/mod.rs
870 /// group mgmt protocol
871 pub const IPPROTO_IGMP: ::c_int = 2;
872 /// for compatibility
873 pub const IPPROTO_IPIP: ::c_int = 4;
874 // IPPROTO_TCP defined in src/unix/mod.rs
875 /// exterior gateway protocol
876 pub const IPPROTO_EGP: ::c_int = 8;
877 /// pup
878 pub const IPPROTO_PUP: ::c_int = 12;
879 // IPPROTO_UDP defined in src/unix/mod.rs
880 /// xns idp
881 pub const IPPROTO_IDP: ::c_int = 22;
882 /// tp-4 w/ class negotiation
883 pub const IPPROTO_TP: ::c_int = 29;
884 /// DCCP
885 pub const IPPROTO_DCCP: ::c_int = 33;
886 // IPPROTO_IPV6 defined in src/unix/mod.rs
887 /// IP6 routing header
888 pub const IPPROTO_ROUTING: ::c_int = 43;
889 /// IP6 fragmentation header
890 pub const IPPROTO_FRAGMENT: ::c_int = 44;
891 /// resource reservation
892 pub const IPPROTO_RSVP: ::c_int = 46;
893 /// General Routing Encap.
894 pub const IPPROTO_GRE: ::c_int = 47;
895 /// IP6 Encap Sec. Payload
896 pub const IPPROTO_ESP: ::c_int = 50;
897 /// IP6 Auth Header
898 pub const IPPROTO_AH: ::c_int = 51;
899 // IPPROTO_ICMPV6 defined in src/unix/mod.rs
900 /// IP6 no next header
901 pub const IPPROTO_NONE: ::c_int = 59;
902 /// IP6 destination option
903 pub const IPPROTO_DSTOPTS: ::c_int = 60;
904 pub const IPPROTO_MTP: ::c_int = 92;
905 /// encapsulation header
906 pub const IPPROTO_ENCAP: ::c_int = 98;
907 /// Protocol indep. multicast
908 pub const IPPROTO_PIM: ::c_int = 103;
909 /// IP Payload Comp. Protocol
910 pub const IPPROTO_COMP: ::c_int = 108;
911 /// SCTP
912 pub const IPPROTO_SCTP: ::c_int = 132;
913 pub const IPPROTO_MH: ::c_int = 135;
914 pub const IPPROTO_UDPLITE: ::c_int = 136;
915 /// raw IP packet
916 pub const IPPROTO_RAW: ::c_int = 255;
917 pub const IPPROTO_BEETPH: ::c_int = 94;
918 pub const IPPROTO_MPLS: ::c_int = 137;
919 /// Multipath TCP
920 pub const IPPROTO_MPTCP: ::c_int = 262;
921 
922 pub const MCAST_EXCLUDE: ::c_int = 0;
923 pub const MCAST_INCLUDE: ::c_int = 1;
924 pub const MCAST_JOIN_GROUP: ::c_int = 42;
925 pub const MCAST_BLOCK_SOURCE: ::c_int = 43;
926 pub const MCAST_UNBLOCK_SOURCE: ::c_int = 44;
927 pub const MCAST_LEAVE_GROUP: ::c_int = 45;
928 pub const MCAST_JOIN_SOURCE_GROUP: ::c_int = 46;
929 pub const MCAST_LEAVE_SOURCE_GROUP: ::c_int = 47;
930 pub const MCAST_MSFILTER: ::c_int = 48;
931 
932 pub const IPV6_ADDRFORM: ::c_int = 1;
933 pub const IPV6_2292PKTINFO: ::c_int = 2;
934 pub const IPV6_2292HOPOPTS: ::c_int = 3;
935 pub const IPV6_2292DSTOPTS: ::c_int = 4;
936 pub const IPV6_2292RTHDR: ::c_int = 5;
937 pub const IPV6_2292PKTOPTIONS: ::c_int = 6;
938 pub const IPV6_CHECKSUM: ::c_int = 7;
939 pub const IPV6_2292HOPLIMIT: ::c_int = 8;
940 pub const IPV6_NEXTHOP: ::c_int = 9;
941 pub const IPV6_AUTHHDR: ::c_int = 10;
942 pub const IPV6_UNICAST_HOPS: ::c_int = 16;
943 pub const IPV6_MULTICAST_IF: ::c_int = 17;
944 pub const IPV6_MULTICAST_HOPS: ::c_int = 18;
945 pub const IPV6_MULTICAST_LOOP: ::c_int = 19;
946 pub const IPV6_ADD_MEMBERSHIP: ::c_int = 20;
947 pub const IPV6_DROP_MEMBERSHIP: ::c_int = 21;
948 pub const IPV6_ROUTER_ALERT: ::c_int = 22;
949 pub const IPV6_MTU_DISCOVER: ::c_int = 23;
950 pub const IPV6_MTU: ::c_int = 24;
951 pub const IPV6_RECVERR: ::c_int = 25;
952 pub const IPV6_V6ONLY: ::c_int = 26;
953 pub const IPV6_JOIN_ANYCAST: ::c_int = 27;
954 pub const IPV6_LEAVE_ANYCAST: ::c_int = 28;
955 pub const IPV6_IPSEC_POLICY: ::c_int = 34;
956 pub const IPV6_XFRM_POLICY: ::c_int = 35;
957 pub const IPV6_HDRINCL: ::c_int = 36;
958 pub const IPV6_RECVPKTINFO: ::c_int = 49;
959 pub const IPV6_PKTINFO: ::c_int = 50;
960 pub const IPV6_RECVHOPLIMIT: ::c_int = 51;
961 pub const IPV6_HOPLIMIT: ::c_int = 52;
962 pub const IPV6_RECVHOPOPTS: ::c_int = 53;
963 pub const IPV6_HOPOPTS: ::c_int = 54;
964 pub const IPV6_RTHDRDSTOPTS: ::c_int = 55;
965 pub const IPV6_RECVRTHDR: ::c_int = 56;
966 pub const IPV6_RTHDR: ::c_int = 57;
967 pub const IPV6_RECVDSTOPTS: ::c_int = 58;
968 pub const IPV6_DSTOPTS: ::c_int = 59;
969 pub const IPV6_RECVPATHMTU: ::c_int = 60;
970 pub const IPV6_PATHMTU: ::c_int = 61;
971 pub const IPV6_DONTFRAG: ::c_int = 62;
972 pub const IPV6_RECVTCLASS: ::c_int = 66;
973 pub const IPV6_TCLASS: ::c_int = 67;
974 pub const IPV6_AUTOFLOWLABEL: ::c_int = 70;
975 pub const IPV6_ADDR_PREFERENCES: ::c_int = 72;
976 pub const IPV6_MINHOPCOUNT: ::c_int = 73;
977 pub const IPV6_ORIGDSTADDR: ::c_int = 74;
978 pub const IPV6_RECVORIGDSTADDR: ::c_int = IPV6_ORIGDSTADDR;
979 pub const IPV6_TRANSPARENT: ::c_int = 75;
980 pub const IPV6_UNICAST_IF: ::c_int = 76;
981 pub const IPV6_PREFER_SRC_TMP: ::c_int = 0x0001;
982 pub const IPV6_PREFER_SRC_PUBLIC: ::c_int = 0x0002;
983 pub const IPV6_PREFER_SRC_PUBTMP_DEFAULT: ::c_int = 0x0100;
984 pub const IPV6_PREFER_SRC_COA: ::c_int = 0x0004;
985 pub const IPV6_PREFER_SRC_HOME: ::c_int = 0x0400;
986 pub const IPV6_PREFER_SRC_CGA: ::c_int = 0x0008;
987 pub const IPV6_PREFER_SRC_NONCGA: ::c_int = 0x0800;
988 
989 pub const IPV6_PMTUDISC_DONT: ::c_int = 0;
990 pub const IPV6_PMTUDISC_WANT: ::c_int = 1;
991 pub const IPV6_PMTUDISC_DO: ::c_int = 2;
992 pub const IPV6_PMTUDISC_PROBE: ::c_int = 3;
993 pub const IPV6_PMTUDISC_INTERFACE: ::c_int = 4;
994 pub const IPV6_PMTUDISC_OMIT: ::c_int = 5;
995 
996 pub const TCP_NODELAY: ::c_int = 1;
997 pub const TCP_MAXSEG: ::c_int = 2;
998 pub const TCP_CORK: ::c_int = 3;
999 pub const TCP_KEEPIDLE: ::c_int = 4;
1000 pub const TCP_KEEPINTVL: ::c_int = 5;
1001 pub const TCP_KEEPCNT: ::c_int = 6;
1002 pub const TCP_SYNCNT: ::c_int = 7;
1003 pub const TCP_LINGER2: ::c_int = 8;
1004 pub const TCP_DEFER_ACCEPT: ::c_int = 9;
1005 pub const TCP_WINDOW_CLAMP: ::c_int = 10;
1006 pub const TCP_INFO: ::c_int = 11;
1007 pub const TCP_QUICKACK: ::c_int = 12;
1008 pub const TCP_CONGESTION: ::c_int = 13;
1009 pub const TCP_MD5SIG: ::c_int = 14;
1010 cfg_if! {
1011     if #[cfg(all(target_os = "linux", any(
1012             target_env = "gnu",
1013             target_env = "musl",
1014             target_env = "ohos"
1015         )))] {
1016         // WARN: deprecated
1017         pub const TCP_COOKIE_TRANSACTIONS: ::c_int = 15;
1018     }
1019 }
1020 pub const TCP_THIN_LINEAR_TIMEOUTS: ::c_int = 16;
1021 pub const TCP_THIN_DUPACK: ::c_int = 17;
1022 pub const TCP_USER_TIMEOUT: ::c_int = 18;
1023 pub const TCP_REPAIR: ::c_int = 19;
1024 pub const TCP_REPAIR_QUEUE: ::c_int = 20;
1025 pub const TCP_QUEUE_SEQ: ::c_int = 21;
1026 pub const TCP_REPAIR_OPTIONS: ::c_int = 22;
1027 pub const TCP_FASTOPEN: ::c_int = 23;
1028 pub const TCP_TIMESTAMP: ::c_int = 24;
1029 pub const TCP_NOTSENT_LOWAT: ::c_int = 25;
1030 pub const TCP_CC_INFO: ::c_int = 26;
1031 pub const TCP_SAVE_SYN: ::c_int = 27;
1032 pub const TCP_SAVED_SYN: ::c_int = 28;
1033 cfg_if! {
1034     if #[cfg(not(target_os = "emscripten"))] {
1035         // NOTE: emscripten doesn't support these options yet.
1036 
1037         pub const TCP_REPAIR_WINDOW: ::c_int = 29;
1038         pub const TCP_FASTOPEN_CONNECT: ::c_int = 30;
1039         pub const TCP_ULP: ::c_int = 31;
1040         pub const TCP_MD5SIG_EXT: ::c_int = 32;
1041         pub const TCP_FASTOPEN_KEY: ::c_int = 33;
1042         pub const TCP_FASTOPEN_NO_COOKIE: ::c_int = 34;
1043         pub const TCP_ZEROCOPY_RECEIVE: ::c_int = 35;
1044         pub const TCP_INQ: ::c_int = 36;
1045         pub const TCP_CM_INQ: ::c_int = TCP_INQ;
1046         // NOTE: Some CI images doesn't have this option yet.
1047         // pub const TCP_TX_DELAY: ::c_int = 37;
1048         pub const TCP_MD5SIG_MAXKEYLEN: usize = 80;
1049     }
1050 }
1051 
1052 pub const SO_DEBUG: ::c_int = 1;
1053 
1054 pub const SHUT_RD: ::c_int = 0;
1055 pub const SHUT_WR: ::c_int = 1;
1056 pub const SHUT_RDWR: ::c_int = 2;
1057 
1058 pub const LOCK_SH: ::c_int = 1;
1059 pub const LOCK_EX: ::c_int = 2;
1060 pub const LOCK_NB: ::c_int = 4;
1061 pub const LOCK_UN: ::c_int = 8;
1062 
1063 pub const SS_ONSTACK: ::c_int = 1;
1064 pub const SS_DISABLE: ::c_int = 2;
1065 
1066 pub const PATH_MAX: ::c_int = 4096;
1067 
1068 pub const UIO_MAXIOV: ::c_int = 1024;
1069 
1070 pub const FD_SETSIZE: usize = 1024;
1071 
1072 pub const EPOLLIN: ::c_int = 0x1;
1073 pub const EPOLLPRI: ::c_int = 0x2;
1074 pub const EPOLLOUT: ::c_int = 0x4;
1075 pub const EPOLLERR: ::c_int = 0x8;
1076 pub const EPOLLHUP: ::c_int = 0x10;
1077 pub const EPOLLRDNORM: ::c_int = 0x40;
1078 pub const EPOLLRDBAND: ::c_int = 0x80;
1079 pub const EPOLLWRNORM: ::c_int = 0x100;
1080 pub const EPOLLWRBAND: ::c_int = 0x200;
1081 pub const EPOLLMSG: ::c_int = 0x400;
1082 pub const EPOLLRDHUP: ::c_int = 0x2000;
1083 pub const EPOLLEXCLUSIVE: ::c_int = 0x10000000;
1084 pub const EPOLLWAKEUP: ::c_int = 0x20000000;
1085 pub const EPOLLONESHOT: ::c_int = 0x40000000;
1086 pub const EPOLLET: ::c_int = 0x80000000;
1087 
1088 pub const EPOLL_CTL_ADD: ::c_int = 1;
1089 pub const EPOLL_CTL_MOD: ::c_int = 3;
1090 pub const EPOLL_CTL_DEL: ::c_int = 2;
1091 
1092 pub const MNT_FORCE: ::c_int = 0x1;
1093 pub const MNT_DETACH: ::c_int = 0x2;
1094 pub const MNT_EXPIRE: ::c_int = 0x4;
1095 pub const UMOUNT_NOFOLLOW: ::c_int = 0x8;
1096 
1097 pub const Q_GETFMT: ::c_int = 0x800004;
1098 pub const Q_GETINFO: ::c_int = 0x800005;
1099 pub const Q_SETINFO: ::c_int = 0x800006;
1100 pub const QIF_BLIMITS: u32 = 1;
1101 pub const QIF_SPACE: u32 = 2;
1102 pub const QIF_ILIMITS: u32 = 4;
1103 pub const QIF_INODES: u32 = 8;
1104 pub const QIF_BTIME: u32 = 16;
1105 pub const QIF_ITIME: u32 = 32;
1106 pub const QIF_LIMITS: u32 = 5;
1107 pub const QIF_USAGE: u32 = 10;
1108 pub const QIF_TIMES: u32 = 48;
1109 pub const QIF_ALL: u32 = 63;
1110 
1111 pub const Q_SYNC: ::c_int = 0x800001;
1112 pub const Q_QUOTAON: ::c_int = 0x800002;
1113 pub const Q_QUOTAOFF: ::c_int = 0x800003;
1114 pub const Q_GETQUOTA: ::c_int = 0x800007;
1115 pub const Q_SETQUOTA: ::c_int = 0x800008;
1116 
1117 pub const TCIOFF: ::c_int = 2;
1118 pub const TCION: ::c_int = 3;
1119 pub const TCOOFF: ::c_int = 0;
1120 pub const TCOON: ::c_int = 1;
1121 pub const TCIFLUSH: ::c_int = 0;
1122 pub const TCOFLUSH: ::c_int = 1;
1123 pub const TCIOFLUSH: ::c_int = 2;
1124 pub const NL0: ::tcflag_t = 0x00000000;
1125 pub const NL1: ::tcflag_t = 0x00000100;
1126 pub const TAB0: ::tcflag_t = 0x00000000;
1127 pub const CR0: ::tcflag_t = 0x00000000;
1128 pub const FF0: ::tcflag_t = 0x00000000;
1129 pub const BS0: ::tcflag_t = 0x00000000;
1130 pub const VT0: ::tcflag_t = 0x00000000;
1131 pub const VERASE: usize = 2;
1132 pub const VKILL: usize = 3;
1133 pub const VINTR: usize = 0;
1134 pub const VQUIT: usize = 1;
1135 pub const VLNEXT: usize = 15;
1136 pub const IGNBRK: ::tcflag_t = 0x00000001;
1137 pub const BRKINT: ::tcflag_t = 0x00000002;
1138 pub const IGNPAR: ::tcflag_t = 0x00000004;
1139 pub const PARMRK: ::tcflag_t = 0x00000008;
1140 pub const INPCK: ::tcflag_t = 0x00000010;
1141 pub const ISTRIP: ::tcflag_t = 0x00000020;
1142 pub const INLCR: ::tcflag_t = 0x00000040;
1143 pub const IGNCR: ::tcflag_t = 0x00000080;
1144 pub const ICRNL: ::tcflag_t = 0x00000100;
1145 pub const IXANY: ::tcflag_t = 0x00000800;
1146 pub const IMAXBEL: ::tcflag_t = 0x00002000;
1147 pub const OPOST: ::tcflag_t = 0x1;
1148 pub const CS5: ::tcflag_t = 0x00000000;
1149 pub const CRTSCTS: ::tcflag_t = 0x80000000;
1150 pub const ECHO: ::tcflag_t = 0x00000008;
1151 pub const OCRNL: ::tcflag_t = 0o000010;
1152 pub const ONOCR: ::tcflag_t = 0o000020;
1153 pub const ONLRET: ::tcflag_t = 0o000040;
1154 pub const OFILL: ::tcflag_t = 0o000100;
1155 pub const OFDEL: ::tcflag_t = 0o000200;
1156 
1157 pub const CLONE_VM: ::c_int = 0x100;
1158 pub const CLONE_FS: ::c_int = 0x200;
1159 pub const CLONE_FILES: ::c_int = 0x400;
1160 pub const CLONE_SIGHAND: ::c_int = 0x800;
1161 pub const CLONE_PTRACE: ::c_int = 0x2000;
1162 pub const CLONE_VFORK: ::c_int = 0x4000;
1163 pub const CLONE_PARENT: ::c_int = 0x8000;
1164 pub const CLONE_THREAD: ::c_int = 0x10000;
1165 pub const CLONE_NEWNS: ::c_int = 0x20000;
1166 pub const CLONE_SYSVSEM: ::c_int = 0x40000;
1167 pub const CLONE_SETTLS: ::c_int = 0x80000;
1168 pub const CLONE_PARENT_SETTID: ::c_int = 0x100000;
1169 pub const CLONE_CHILD_CLEARTID: ::c_int = 0x200000;
1170 pub const CLONE_DETACHED: ::c_int = 0x400000;
1171 pub const CLONE_UNTRACED: ::c_int = 0x800000;
1172 pub const CLONE_CHILD_SETTID: ::c_int = 0x01000000;
1173 pub const CLONE_NEWCGROUP: ::c_int = 0x02000000;
1174 pub const CLONE_NEWUTS: ::c_int = 0x04000000;
1175 pub const CLONE_NEWIPC: ::c_int = 0x08000000;
1176 pub const CLONE_NEWUSER: ::c_int = 0x10000000;
1177 pub const CLONE_NEWPID: ::c_int = 0x20000000;
1178 pub const CLONE_NEWNET: ::c_int = 0x40000000;
1179 pub const CLONE_IO: ::c_int = 0x80000000;
1180 
1181 pub const WNOHANG: ::c_int = 0x00000001;
1182 pub const WUNTRACED: ::c_int = 0x00000002;
1183 pub const WSTOPPED: ::c_int = WUNTRACED;
1184 pub const WEXITED: ::c_int = 0x00000004;
1185 pub const WCONTINUED: ::c_int = 0x00000008;
1186 pub const WNOWAIT: ::c_int = 0x01000000;
1187 
1188 // Options for personality(2).
1189 pub const ADDR_NO_RANDOMIZE: ::c_int = 0x0040000;
1190 pub const MMAP_PAGE_ZERO: ::c_int = 0x0100000;
1191 pub const ADDR_COMPAT_LAYOUT: ::c_int = 0x0200000;
1192 pub const READ_IMPLIES_EXEC: ::c_int = 0x0400000;
1193 pub const ADDR_LIMIT_32BIT: ::c_int = 0x0800000;
1194 pub const SHORT_INODE: ::c_int = 0x1000000;
1195 pub const WHOLE_SECONDS: ::c_int = 0x2000000;
1196 pub const STICKY_TIMEOUTS: ::c_int = 0x4000000;
1197 pub const ADDR_LIMIT_3GB: ::c_int = 0x8000000;
1198 
1199 // Options set using PTRACE_SETOPTIONS.
1200 pub const PTRACE_O_TRACESYSGOOD: ::c_int = 0x00000001;
1201 pub const PTRACE_O_TRACEFORK: ::c_int = 0x00000002;
1202 pub const PTRACE_O_TRACEVFORK: ::c_int = 0x00000004;
1203 pub const PTRACE_O_TRACECLONE: ::c_int = 0x00000008;
1204 pub const PTRACE_O_TRACEEXEC: ::c_int = 0x00000010;
1205 pub const PTRACE_O_TRACEVFORKDONE: ::c_int = 0x00000020;
1206 pub const PTRACE_O_TRACEEXIT: ::c_int = 0x00000040;
1207 pub const PTRACE_O_TRACESECCOMP: ::c_int = 0x00000080;
1208 pub const PTRACE_O_SUSPEND_SECCOMP: ::c_int = 0x00200000;
1209 pub const PTRACE_O_EXITKILL: ::c_int = 0x00100000;
1210 pub const PTRACE_O_MASK: ::c_int = 0x003000ff;
1211 
1212 // Wait extended result codes for the above trace options.
1213 pub const PTRACE_EVENT_FORK: ::c_int = 1;
1214 pub const PTRACE_EVENT_VFORK: ::c_int = 2;
1215 pub const PTRACE_EVENT_CLONE: ::c_int = 3;
1216 pub const PTRACE_EVENT_EXEC: ::c_int = 4;
1217 pub const PTRACE_EVENT_VFORK_DONE: ::c_int = 5;
1218 pub const PTRACE_EVENT_EXIT: ::c_int = 6;
1219 pub const PTRACE_EVENT_SECCOMP: ::c_int = 7;
1220 
1221 pub const __WNOTHREAD: ::c_int = 0x20000000;
1222 pub const __WALL: ::c_int = 0x40000000;
1223 pub const __WCLONE: ::c_int = 0x80000000;
1224 
1225 pub const SPLICE_F_MOVE: ::c_uint = 0x01;
1226 pub const SPLICE_F_NONBLOCK: ::c_uint = 0x02;
1227 pub const SPLICE_F_MORE: ::c_uint = 0x04;
1228 pub const SPLICE_F_GIFT: ::c_uint = 0x08;
1229 
1230 pub const RTLD_LOCAL: ::c_int = 0;
1231 pub const RTLD_LAZY: ::c_int = 1;
1232 
1233 pub const POSIX_FADV_NORMAL: ::c_int = 0;
1234 pub const POSIX_FADV_RANDOM: ::c_int = 1;
1235 pub const POSIX_FADV_SEQUENTIAL: ::c_int = 2;
1236 pub const POSIX_FADV_WILLNEED: ::c_int = 3;
1237 
1238 pub const AT_FDCWD: ::c_int = -100;
1239 pub const AT_SYMLINK_NOFOLLOW: ::c_int = 0x100;
1240 pub const AT_REMOVEDIR: ::c_int = 0x200;
1241 pub const AT_SYMLINK_FOLLOW: ::c_int = 0x400;
1242 pub const AT_NO_AUTOMOUNT: ::c_int = 0x800;
1243 pub const AT_EMPTY_PATH: ::c_int = 0x1000;
1244 pub const AT_RECURSIVE: ::c_int = 0x8000;
1245 
1246 pub const LOG_CRON: ::c_int = 9 << 3;
1247 pub const LOG_AUTHPRIV: ::c_int = 10 << 3;
1248 pub const LOG_FTP: ::c_int = 11 << 3;
1249 pub const LOG_PERROR: ::c_int = 0x20;
1250 
1251 pub const PIPE_BUF: usize = 4096;
1252 
1253 pub const SI_LOAD_SHIFT: ::c_uint = 16;
1254 
1255 // si_code values for SIGBUS signal
1256 pub const BUS_ADRALN: ::c_int = 1;
1257 pub const BUS_ADRERR: ::c_int = 2;
1258 pub const BUS_OBJERR: ::c_int = 3;
1259 // Linux-specific si_code values for SIGBUS signal
1260 pub const BUS_MCEERR_AR: ::c_int = 4;
1261 pub const BUS_MCEERR_AO: ::c_int = 5;
1262 
1263 // si_code values for SIGCHLD signal
1264 pub const CLD_EXITED: ::c_int = 1;
1265 pub const CLD_KILLED: ::c_int = 2;
1266 pub const CLD_DUMPED: ::c_int = 3;
1267 pub const CLD_TRAPPED: ::c_int = 4;
1268 pub const CLD_STOPPED: ::c_int = 5;
1269 pub const CLD_CONTINUED: ::c_int = 6;
1270 
1271 pub const SIGEV_SIGNAL: ::c_int = 0;
1272 pub const SIGEV_NONE: ::c_int = 1;
1273 pub const SIGEV_THREAD: ::c_int = 2;
1274 
1275 pub const P_ALL: idtype_t = 0;
1276 pub const P_PID: idtype_t = 1;
1277 pub const P_PGID: idtype_t = 2;
1278 cfg_if! {
1279     if #[cfg(not(target_os = "emscripten"))] {
1280         pub const P_PIDFD: idtype_t = 3;
1281     }
1282 }
1283 
1284 pub const UTIME_OMIT: c_long = 1073741822;
1285 pub const UTIME_NOW: c_long = 1073741823;
1286 
1287 pub const POLLIN: ::c_short = 0x1;
1288 pub const POLLPRI: ::c_short = 0x2;
1289 pub const POLLOUT: ::c_short = 0x4;
1290 pub const POLLERR: ::c_short = 0x8;
1291 pub const POLLHUP: ::c_short = 0x10;
1292 pub const POLLNVAL: ::c_short = 0x20;
1293 pub const POLLRDNORM: ::c_short = 0x040;
1294 pub const POLLRDBAND: ::c_short = 0x080;
1295 #[cfg(not(any(target_arch = "sparc", target_arch = "sparc64")))]
1296 pub const POLLRDHUP: ::c_short = 0x2000;
1297 #[cfg(any(target_arch = "sparc", target_arch = "sparc64"))]
1298 pub const POLLRDHUP: ::c_short = 0x800;
1299 
1300 pub const IPTOS_LOWDELAY: u8 = 0x10;
1301 pub const IPTOS_THROUGHPUT: u8 = 0x08;
1302 pub const IPTOS_RELIABILITY: u8 = 0x04;
1303 pub const IPTOS_MINCOST: u8 = 0x02;
1304 
1305 pub const IPTOS_PREC_NETCONTROL: u8 = 0xe0;
1306 pub const IPTOS_PREC_INTERNETCONTROL: u8 = 0xc0;
1307 pub const IPTOS_PREC_CRITIC_ECP: u8 = 0xa0;
1308 pub const IPTOS_PREC_FLASHOVERRIDE: u8 = 0x80;
1309 pub const IPTOS_PREC_FLASH: u8 = 0x60;
1310 pub const IPTOS_PREC_IMMEDIATE: u8 = 0x40;
1311 pub const IPTOS_PREC_PRIORITY: u8 = 0x20;
1312 pub const IPTOS_PREC_ROUTINE: u8 = 0x00;
1313 
1314 pub const IPTOS_ECN_MASK: u8 = 0x03;
1315 pub const IPTOS_ECN_ECT1: u8 = 0x01;
1316 pub const IPTOS_ECN_ECT0: u8 = 0x02;
1317 pub const IPTOS_ECN_CE: u8 = 0x03;
1318 
1319 pub const IPOPT_COPY: u8 = 0x80;
1320 pub const IPOPT_CLASS_MASK: u8 = 0x60;
1321 pub const IPOPT_NUMBER_MASK: u8 = 0x1f;
1322 
1323 pub const IPOPT_CONTROL: u8 = 0x00;
1324 pub const IPOPT_RESERVED1: u8 = 0x20;
1325 pub const IPOPT_MEASUREMENT: u8 = 0x40;
1326 pub const IPOPT_RESERVED2: u8 = 0x60;
1327 pub const IPOPT_END: u8 = 0 | IPOPT_CONTROL;
1328 pub const IPOPT_NOOP: u8 = 1 | IPOPT_CONTROL;
1329 pub const IPOPT_SEC: u8 = 2 | IPOPT_CONTROL | IPOPT_COPY;
1330 pub const IPOPT_LSRR: u8 = 3 | IPOPT_CONTROL | IPOPT_COPY;
1331 pub const IPOPT_TIMESTAMP: u8 = 4 | IPOPT_MEASUREMENT;
1332 pub const IPOPT_RR: u8 = 7 | IPOPT_CONTROL;
1333 pub const IPOPT_SID: u8 = 8 | IPOPT_CONTROL | IPOPT_COPY;
1334 pub const IPOPT_SSRR: u8 = 9 | IPOPT_CONTROL | IPOPT_COPY;
1335 pub const IPOPT_RA: u8 = 20 | IPOPT_CONTROL | IPOPT_COPY;
1336 pub const IPVERSION: u8 = 4;
1337 pub const MAXTTL: u8 = 255;
1338 pub const IPDEFTTL: u8 = 64;
1339 pub const IPOPT_OPTVAL: u8 = 0;
1340 pub const IPOPT_OLEN: u8 = 1;
1341 pub const IPOPT_OFFSET: u8 = 2;
1342 pub const IPOPT_MINOFF: u8 = 4;
1343 pub const MAX_IPOPTLEN: u8 = 40;
1344 pub const IPOPT_NOP: u8 = IPOPT_NOOP;
1345 pub const IPOPT_EOL: u8 = IPOPT_END;
1346 pub const IPOPT_TS: u8 = IPOPT_TIMESTAMP;
1347 pub const IPOPT_TS_TSONLY: u8 = 0;
1348 pub const IPOPT_TS_TSANDADDR: u8 = 1;
1349 pub const IPOPT_TS_PRESPEC: u8 = 3;
1350 
1351 pub const ARPOP_RREQUEST: u16 = 3;
1352 pub const ARPOP_RREPLY: u16 = 4;
1353 pub const ARPOP_InREQUEST: u16 = 8;
1354 pub const ARPOP_InREPLY: u16 = 9;
1355 pub const ARPOP_NAK: u16 = 10;
1356 
1357 pub const ATF_NETMASK: ::c_int = 0x20;
1358 pub const ATF_DONTPUB: ::c_int = 0x40;
1359 
1360 pub const ARPHRD_NETROM: u16 = 0;
1361 pub const ARPHRD_ETHER: u16 = 1;
1362 pub const ARPHRD_EETHER: u16 = 2;
1363 pub const ARPHRD_AX25: u16 = 3;
1364 pub const ARPHRD_PRONET: u16 = 4;
1365 pub const ARPHRD_CHAOS: u16 = 5;
1366 pub const ARPHRD_IEEE802: u16 = 6;
1367 pub const ARPHRD_ARCNET: u16 = 7;
1368 pub const ARPHRD_APPLETLK: u16 = 8;
1369 pub const ARPHRD_DLCI: u16 = 15;
1370 pub const ARPHRD_ATM: u16 = 19;
1371 pub const ARPHRD_METRICOM: u16 = 23;
1372 pub const ARPHRD_IEEE1394: u16 = 24;
1373 pub const ARPHRD_EUI64: u16 = 27;
1374 pub const ARPHRD_INFINIBAND: u16 = 32;
1375 
1376 pub const ARPHRD_SLIP: u16 = 256;
1377 pub const ARPHRD_CSLIP: u16 = 257;
1378 pub const ARPHRD_SLIP6: u16 = 258;
1379 pub const ARPHRD_CSLIP6: u16 = 259;
1380 pub const ARPHRD_RSRVD: u16 = 260;
1381 pub const ARPHRD_ADAPT: u16 = 264;
1382 pub const ARPHRD_ROSE: u16 = 270;
1383 pub const ARPHRD_X25: u16 = 271;
1384 pub const ARPHRD_HWX25: u16 = 272;
1385 pub const ARPHRD_CAN: u16 = 280;
1386 pub const ARPHRD_PPP: u16 = 512;
1387 pub const ARPHRD_CISCO: u16 = 513;
1388 pub const ARPHRD_HDLC: u16 = ARPHRD_CISCO;
1389 pub const ARPHRD_LAPB: u16 = 516;
1390 pub const ARPHRD_DDCMP: u16 = 517;
1391 pub const ARPHRD_RAWHDLC: u16 = 518;
1392 
1393 pub const ARPHRD_TUNNEL: u16 = 768;
1394 pub const ARPHRD_TUNNEL6: u16 = 769;
1395 pub const ARPHRD_FRAD: u16 = 770;
1396 pub const ARPHRD_SKIP: u16 = 771;
1397 pub const ARPHRD_LOOPBACK: u16 = 772;
1398 pub const ARPHRD_LOCALTLK: u16 = 773;
1399 pub const ARPHRD_FDDI: u16 = 774;
1400 pub const ARPHRD_BIF: u16 = 775;
1401 pub const ARPHRD_SIT: u16 = 776;
1402 pub const ARPHRD_IPDDP: u16 = 777;
1403 pub const ARPHRD_IPGRE: u16 = 778;
1404 pub const ARPHRD_PIMREG: u16 = 779;
1405 pub const ARPHRD_HIPPI: u16 = 780;
1406 pub const ARPHRD_ASH: u16 = 781;
1407 pub const ARPHRD_ECONET: u16 = 782;
1408 pub const ARPHRD_IRDA: u16 = 783;
1409 pub const ARPHRD_FCPP: u16 = 784;
1410 pub const ARPHRD_FCAL: u16 = 785;
1411 pub const ARPHRD_FCPL: u16 = 786;
1412 pub const ARPHRD_FCFABRIC: u16 = 787;
1413 pub const ARPHRD_IEEE802_TR: u16 = 800;
1414 pub const ARPHRD_IEEE80211: u16 = 801;
1415 pub const ARPHRD_IEEE80211_PRISM: u16 = 802;
1416 pub const ARPHRD_IEEE80211_RADIOTAP: u16 = 803;
1417 pub const ARPHRD_IEEE802154: u16 = 804;
1418 
1419 pub const ARPHRD_VOID: u16 = 0xFFFF;
1420 pub const ARPHRD_NONE: u16 = 0xFFFE;
1421 
1422 cfg_if! {
1423     if #[cfg(target_os = "emscripten")] {
1424         // Emscripten does not define any `*_SUPER_MAGIC` constants.
1425     } else if #[cfg(not(target_arch = "s390x"))] {
1426         pub const ADFS_SUPER_MAGIC: ::c_long = 0x0000adf5;
1427         pub const AFFS_SUPER_MAGIC: ::c_long = 0x0000adff;
1428         pub const AFS_SUPER_MAGIC: ::c_long = 0x5346414f;
1429         pub const AUTOFS_SUPER_MAGIC: ::c_long = 0x0187;
1430         pub const BPF_FS_MAGIC: ::c_long = 0xcafe4a11;
1431         pub const BTRFS_SUPER_MAGIC: ::c_long = 0x9123683e;
1432         pub const CGROUP2_SUPER_MAGIC: ::c_long = 0x63677270;
1433         pub const CGROUP_SUPER_MAGIC: ::c_long = 0x27e0eb;
1434         pub const CODA_SUPER_MAGIC: ::c_long = 0x73757245;
1435         pub const CRAMFS_MAGIC: ::c_long = 0x28cd3d45;
1436         pub const DEBUGFS_MAGIC: ::c_long = 0x64626720;
1437         pub const DEVPTS_SUPER_MAGIC: ::c_long = 0x1cd1;
1438         pub const ECRYPTFS_SUPER_MAGIC: ::c_long = 0xf15f;
1439         pub const EFS_SUPER_MAGIC: ::c_long = 0x00414a53;
1440         pub const EXT2_SUPER_MAGIC: ::c_long = 0x0000ef53;
1441         pub const EXT3_SUPER_MAGIC: ::c_long = 0x0000ef53;
1442         pub const EXT4_SUPER_MAGIC: ::c_long = 0x0000ef53;
1443         pub const F2FS_SUPER_MAGIC: ::c_long = 0xf2f52010;
1444         pub const FUSE_SUPER_MAGIC: ::c_long = 0x65735546;
1445         pub const FUTEXFS_SUPER_MAGIC: ::c_long = 0xbad1dea;
1446         pub const HOSTFS_SUPER_MAGIC: ::c_long = 0x00c0ffee;
1447         pub const HPFS_SUPER_MAGIC: ::c_long = 0xf995e849;
1448         pub const HUGETLBFS_MAGIC: ::c_long = 0x958458f6;
1449         pub const ISOFS_SUPER_MAGIC: ::c_long = 0x00009660;
1450         pub const JFFS2_SUPER_MAGIC: ::c_long = 0x000072b6;
1451         pub const MINIX2_SUPER_MAGIC2: ::c_long = 0x00002478;
1452         pub const MINIX2_SUPER_MAGIC: ::c_long = 0x00002468;
1453         pub const MINIX3_SUPER_MAGIC: ::c_long = 0x4d5a;
1454         pub const MINIX_SUPER_MAGIC2: ::c_long = 0x0000138f;
1455         pub const MINIX_SUPER_MAGIC: ::c_long = 0x0000137f;
1456         pub const MSDOS_SUPER_MAGIC: ::c_long = 0x00004d44;
1457         pub const NCP_SUPER_MAGIC: ::c_long = 0x0000564c;
1458         pub const NFS_SUPER_MAGIC: ::c_long = 0x00006969;
1459         pub const NILFS_SUPER_MAGIC: ::c_long = 0x3434;
1460         pub const OCFS2_SUPER_MAGIC: ::c_long = 0x7461636f;
1461         pub const OPENPROM_SUPER_MAGIC: ::c_long = 0x00009fa1;
1462         pub const OVERLAYFS_SUPER_MAGIC: ::c_long = 0x794c7630;
1463         pub const PROC_SUPER_MAGIC: ::c_long = 0x00009fa0;
1464         pub const QNX4_SUPER_MAGIC: ::c_long = 0x0000002f;
1465         pub const QNX6_SUPER_MAGIC: ::c_long = 0x68191122;
1466         pub const RDTGROUP_SUPER_MAGIC: ::c_long = 0x7655821;
1467         pub const REISERFS_SUPER_MAGIC: ::c_long = 0x52654973;
1468         pub const SECURITYFS_MAGIC: ::c_long = 0x73636673;
1469         pub const SELINUX_MAGIC: ::c_long = 0xf97cff8c;
1470         pub const SMACK_MAGIC: ::c_long = 0x43415d53;
1471         pub const SMB_SUPER_MAGIC: ::c_long = 0x0000517b;
1472         pub const SYSFS_MAGIC: ::c_long = 0x62656572;
1473         pub const TMPFS_MAGIC: ::c_long = 0x01021994;
1474         pub const TRACEFS_MAGIC: ::c_long = 0x74726163;
1475         pub const UDF_SUPER_MAGIC: ::c_long = 0x15013346;
1476         pub const USBDEVICE_SUPER_MAGIC: ::c_long = 0x00009fa2;
1477         pub const XENFS_SUPER_MAGIC: ::c_long = 0xabba1974;
1478         pub const NSFS_MAGIC: ::c_long = 0x6e736673;
1479     } else if #[cfg(target_arch = "s390x")] {
1480         pub const ADFS_SUPER_MAGIC: ::c_uint = 0x0000adf5;
1481         pub const AFFS_SUPER_MAGIC: ::c_uint = 0x0000adff;
1482         pub const AFS_SUPER_MAGIC: ::c_uint = 0x5346414f;
1483         pub const AUTOFS_SUPER_MAGIC: ::c_uint = 0x0187;
1484         pub const BPF_FS_MAGIC: ::c_uint = 0xcafe4a11;
1485         pub const BTRFS_SUPER_MAGIC: ::c_uint = 0x9123683e;
1486         pub const CGROUP2_SUPER_MAGIC: ::c_uint = 0x63677270;
1487         pub const CGROUP_SUPER_MAGIC: ::c_uint = 0x27e0eb;
1488         pub const CODA_SUPER_MAGIC: ::c_uint = 0x73757245;
1489         pub const CRAMFS_MAGIC: ::c_uint = 0x28cd3d45;
1490         pub const DEBUGFS_MAGIC: ::c_uint = 0x64626720;
1491         pub const DEVPTS_SUPER_MAGIC: ::c_uint = 0x1cd1;
1492         pub const ECRYPTFS_SUPER_MAGIC: ::c_uint = 0xf15f;
1493         pub const EFS_SUPER_MAGIC: ::c_uint = 0x00414a53;
1494         pub const EXT2_SUPER_MAGIC: ::c_uint = 0x0000ef53;
1495         pub const EXT3_SUPER_MAGIC: ::c_uint = 0x0000ef53;
1496         pub const EXT4_SUPER_MAGIC: ::c_uint = 0x0000ef53;
1497         pub const F2FS_SUPER_MAGIC: ::c_uint = 0xf2f52010;
1498         pub const FUSE_SUPER_MAGIC: ::c_uint = 0x65735546;
1499         pub const FUTEXFS_SUPER_MAGIC: ::c_uint = 0xbad1dea;
1500         pub const HOSTFS_SUPER_MAGIC: ::c_uint = 0x00c0ffee;
1501         pub const HPFS_SUPER_MAGIC: ::c_uint = 0xf995e849;
1502         pub const HUGETLBFS_MAGIC: ::c_uint = 0x958458f6;
1503         pub const ISOFS_SUPER_MAGIC: ::c_uint = 0x00009660;
1504         pub const JFFS2_SUPER_MAGIC: ::c_uint = 0x000072b6;
1505         pub const MINIX2_SUPER_MAGIC2: ::c_uint = 0x00002478;
1506         pub const MINIX2_SUPER_MAGIC: ::c_uint = 0x00002468;
1507         pub const MINIX3_SUPER_MAGIC: ::c_uint = 0x4d5a;
1508         pub const MINIX_SUPER_MAGIC2: ::c_uint = 0x0000138f;
1509         pub const MINIX_SUPER_MAGIC: ::c_uint = 0x0000137f;
1510         pub const MSDOS_SUPER_MAGIC: ::c_uint = 0x00004d44;
1511         pub const NCP_SUPER_MAGIC: ::c_uint = 0x0000564c;
1512         pub const NFS_SUPER_MAGIC: ::c_uint = 0x00006969;
1513         pub const NILFS_SUPER_MAGIC: ::c_uint = 0x3434;
1514         pub const OCFS2_SUPER_MAGIC: ::c_uint = 0x7461636f;
1515         pub const OPENPROM_SUPER_MAGIC: ::c_uint = 0x00009fa1;
1516         pub const OVERLAYFS_SUPER_MAGIC: ::c_uint = 0x794c7630;
1517         pub const PROC_SUPER_MAGIC: ::c_uint = 0x00009fa0;
1518         pub const QNX4_SUPER_MAGIC: ::c_uint = 0x0000002f;
1519         pub const QNX6_SUPER_MAGIC: ::c_uint = 0x68191122;
1520         pub const RDTGROUP_SUPER_MAGIC: ::c_uint = 0x7655821;
1521         pub const REISERFS_SUPER_MAGIC: ::c_uint = 0x52654973;
1522         pub const SECURITYFS_MAGIC: ::c_uint = 0x73636673;
1523         pub const SELINUX_MAGIC: ::c_uint = 0xf97cff8c;
1524         pub const SMACK_MAGIC: ::c_uint = 0x43415d53;
1525         pub const SMB_SUPER_MAGIC: ::c_uint = 0x0000517b;
1526         pub const SYSFS_MAGIC: ::c_uint = 0x62656572;
1527         pub const TMPFS_MAGIC: ::c_uint = 0x01021994;
1528         pub const TRACEFS_MAGIC: ::c_uint = 0x74726163;
1529         pub const UDF_SUPER_MAGIC: ::c_uint = 0x15013346;
1530         pub const USBDEVICE_SUPER_MAGIC: ::c_uint = 0x00009fa2;
1531         pub const XENFS_SUPER_MAGIC: ::c_uint = 0xabba1974;
1532         pub const NSFS_MAGIC: ::c_uint = 0x6e736673;
1533     }
1534 }
1535 
1536 const_fn! {
1537     {const} fn CMSG_ALIGN(len: usize) -> usize {
1538         len + ::mem::size_of::<usize>() - 1 & !(::mem::size_of::<usize>() - 1)
1539     }
1540 }
1541 
1542 f! {
1543     pub fn CMSG_FIRSTHDR(mhdr: *const msghdr) -> *mut cmsghdr {
1544         if (*mhdr).msg_controllen as usize >= ::mem::size_of::<cmsghdr>() {
1545             (*mhdr).msg_control as *mut cmsghdr
1546         } else {
1547             0 as *mut cmsghdr
1548         }
1549     }
1550 
1551     pub fn CMSG_DATA(cmsg: *const cmsghdr) -> *mut ::c_uchar {
1552         cmsg.offset(1) as *mut ::c_uchar
1553     }
1554 
1555     pub {const} fn CMSG_SPACE(length: ::c_uint) -> ::c_uint {
1556         (CMSG_ALIGN(length as usize) + CMSG_ALIGN(::mem::size_of::<cmsghdr>()))
1557             as ::c_uint
1558     }
1559 
1560     pub {const} fn CMSG_LEN(length: ::c_uint) -> ::c_uint {
1561         CMSG_ALIGN(::mem::size_of::<cmsghdr>()) as ::c_uint + length
1562     }
1563 
1564     pub fn FD_CLR(fd: ::c_int, set: *mut fd_set) -> () {
1565         let fd = fd as usize;
1566         let size = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
1567         (*set).fds_bits[fd / size] &= !(1 << (fd % size));
1568         return
1569     }
1570 
1571     pub fn FD_ISSET(fd: ::c_int, set: *const fd_set) -> bool {
1572         let fd = fd as usize;
1573         let size = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
1574         return ((*set).fds_bits[fd / size] & (1 << (fd % size))) != 0
1575     }
1576 
1577     pub fn FD_SET(fd: ::c_int, set: *mut fd_set) -> () {
1578         let fd = fd as usize;
1579         let size = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
1580         (*set).fds_bits[fd / size] |= 1 << (fd % size);
1581         return
1582     }
1583 
1584     pub fn FD_ZERO(set: *mut fd_set) -> () {
1585         for slot in (*set).fds_bits.iter_mut() {
1586             *slot = 0;
1587         }
1588     }
1589 }
1590 
1591 safe_f! {
1592     pub fn SIGRTMAX() -> ::c_int {
1593         unsafe { __libc_current_sigrtmax() }
1594     }
1595 
1596     pub fn SIGRTMIN() -> ::c_int {
1597         unsafe { __libc_current_sigrtmin() }
1598     }
1599 
1600     pub {const} fn WIFSTOPPED(status: ::c_int) -> bool {
1601         (status & 0xff) == 0x7f
1602     }
1603 
1604     pub {const} fn WSTOPSIG(status: ::c_int) -> ::c_int {
1605         (status >> 8) & 0xff
1606     }
1607 
1608     pub {const} fn WIFCONTINUED(status: ::c_int) -> bool {
1609         status == 0xffff
1610     }
1611 
1612     pub {const} fn WIFSIGNALED(status: ::c_int) -> bool {
1613         ((status & 0x7f) + 1) as i8 >= 2
1614     }
1615 
1616     pub {const} fn WTERMSIG(status: ::c_int) -> ::c_int {
1617         status & 0x7f
1618     }
1619 
1620     pub {const} fn WIFEXITED(status: ::c_int) -> bool {
1621         (status & 0x7f) == 0
1622     }
1623 
1624     pub {const} fn WEXITSTATUS(status: ::c_int) -> ::c_int {
1625         (status >> 8) & 0xff
1626     }
1627 
1628     pub {const} fn WCOREDUMP(status: ::c_int) -> bool {
1629         (status & 0x80) != 0
1630     }
1631 
1632     pub {const} fn W_EXITCODE(ret: ::c_int, sig: ::c_int) -> ::c_int {
1633         (ret << 8) | sig
1634     }
1635 
1636     pub {const} fn W_STOPCODE(sig: ::c_int) -> ::c_int {
1637         (sig << 8) | 0x7f
1638     }
1639 
1640     pub {const} fn QCMD(cmd: ::c_int, type_: ::c_int) -> ::c_int {
1641         (cmd << 8) | (type_ & 0x00ff)
1642     }
1643 
1644     pub {const} fn IPOPT_COPIED(o: u8) -> u8 {
1645         o & IPOPT_COPY
1646     }
1647 
1648     pub {const} fn IPOPT_CLASS(o: u8) -> u8 {
1649         o & IPOPT_CLASS_MASK
1650     }
1651 
1652     pub {const} fn IPOPT_NUMBER(o: u8) -> u8 {
1653         o & IPOPT_NUMBER_MASK
1654     }
1655 
1656     pub {const} fn IPTOS_ECN(x: u8) -> u8 {
1657         x & ::IPTOS_ECN_MASK
1658     }
1659 
1660     #[allow(ellipsis_inclusive_range_patterns)]
1661     pub {const} fn KERNEL_VERSION(a: u32, b: u32, c: u32) -> u32 {
1662         ((a << 16) + (b << 8)) + match c {
1663             0 ... 255 => c,
1664             _ => 255,
1665         }
1666     }
1667 }
1668 
1669 extern "C" {
1670     #[doc(hidden)]
1671     pub fn __libc_current_sigrtmax() -> ::c_int;
1672     #[doc(hidden)]
1673     pub fn __libc_current_sigrtmin() -> ::c_int;
1674 
1675     pub fn sem_destroy(sem: *mut sem_t) -> ::c_int;
1676     pub fn sem_init(sem: *mut sem_t, pshared: ::c_int, value: ::c_uint) -> ::c_int;
1677     pub fn fdatasync(fd: ::c_int) -> ::c_int;
1678     pub fn mincore(addr: *mut ::c_void, len: ::size_t, vec: *mut ::c_uchar) -> ::c_int;
1679 
1680     pub fn clock_getres(clk_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int;
1681     pub fn clock_gettime(clk_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int;
1682     pub fn clock_settime(clk_id: ::clockid_t, tp: *const ::timespec) -> ::c_int;
1683     pub fn clock_getcpuclockid(pid: ::pid_t, clk_id: *mut ::clockid_t) -> ::c_int;
1684 
1685     pub fn dirfd(dirp: *mut ::DIR) -> ::c_int;
1686 
1687     pub fn pthread_getattr_np(native: ::pthread_t, attr: *mut ::pthread_attr_t) -> ::c_int;
1688     pub fn pthread_attr_getstack(
1689         attr: *const ::pthread_attr_t,
1690         stackaddr: *mut *mut ::c_void,
1691         stacksize: *mut ::size_t,
1692     ) -> ::c_int;
1693     pub fn memalign(align: ::size_t, size: ::size_t) -> *mut ::c_void;
1694     pub fn setgroups(ngroups: ::size_t, ptr: *const ::gid_t) -> ::c_int;
1695     pub fn pipe2(fds: *mut ::c_int, flags: ::c_int) -> ::c_int;
1696     pub fn statfs(path: *const ::c_char, buf: *mut statfs) -> ::c_int;
1697     pub fn statfs64(path: *const ::c_char, buf: *mut statfs64) -> ::c_int;
1698     pub fn fstatfs(fd: ::c_int, buf: *mut statfs) -> ::c_int;
1699     pub fn fstatfs64(fd: ::c_int, buf: *mut statfs64) -> ::c_int;
1700     pub fn statvfs64(path: *const ::c_char, buf: *mut statvfs64) -> ::c_int;
1701     pub fn fstatvfs64(fd: ::c_int, buf: *mut statvfs64) -> ::c_int;
1702     pub fn memrchr(cx: *const ::c_void, c: ::c_int, n: ::size_t) -> *mut ::c_void;
1703 
1704     pub fn posix_fadvise(fd: ::c_int, offset: ::off_t, len: ::off_t, advise: ::c_int) -> ::c_int;
1705     pub fn posix_fadvise64(
1706         fd: ::c_int,
1707         offset: ::off64_t,
1708         len: ::off64_t,
1709         advise: ::c_int,
1710     ) -> ::c_int;
1711     pub fn futimens(fd: ::c_int, times: *const ::timespec) -> ::c_int;
1712     pub fn utimensat(
1713         dirfd: ::c_int,
1714         path: *const ::c_char,
1715         times: *const ::timespec,
1716         flag: ::c_int,
1717     ) -> ::c_int;
1718     pub fn duplocale(base: ::locale_t) -> ::locale_t;
1719     pub fn freelocale(loc: ::locale_t);
1720     pub fn newlocale(mask: ::c_int, locale: *const ::c_char, base: ::locale_t) -> ::locale_t;
1721     pub fn uselocale(loc: ::locale_t) -> ::locale_t;
1722     pub fn creat64(path: *const c_char, mode: mode_t) -> ::c_int;
1723     pub fn fstat64(fildes: ::c_int, buf: *mut stat64) -> ::c_int;
1724     pub fn fstatat64(
1725         dirfd: ::c_int,
1726         pathname: *const c_char,
1727         buf: *mut stat64,
1728         flags: ::c_int,
1729     ) -> ::c_int;
1730     pub fn ftruncate64(fd: ::c_int, length: off64_t) -> ::c_int;
1731     pub fn lseek64(fd: ::c_int, offset: off64_t, whence: ::c_int) -> off64_t;
1732     pub fn lstat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
1733     pub fn mmap64(
1734         addr: *mut ::c_void,
1735         len: ::size_t,
1736         prot: ::c_int,
1737         flags: ::c_int,
1738         fd: ::c_int,
1739         offset: off64_t,
1740     ) -> *mut ::c_void;
1741     pub fn open64(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
1742     pub fn openat64(fd: ::c_int, path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
1743     pub fn pread64(fd: ::c_int, buf: *mut ::c_void, count: ::size_t, offset: off64_t) -> ::ssize_t;
1744     pub fn pwrite64(
1745         fd: ::c_int,
1746         buf: *const ::c_void,
1747         count: ::size_t,
1748         offset: off64_t,
1749     ) -> ::ssize_t;
1750     pub fn readdir64(dirp: *mut ::DIR) -> *mut ::dirent64;
1751     pub fn readdir64_r(
1752         dirp: *mut ::DIR,
1753         entry: *mut ::dirent64,
1754         result: *mut *mut ::dirent64,
1755     ) -> ::c_int;
1756     pub fn stat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
1757     pub fn truncate64(path: *const c_char, length: off64_t) -> ::c_int;
1758 
1759     pub fn mknodat(
1760         dirfd: ::c_int,
1761         pathname: *const ::c_char,
1762         mode: ::mode_t,
1763         dev: dev_t,
1764     ) -> ::c_int;
1765     pub fn pthread_condattr_getclock(
1766         attr: *const pthread_condattr_t,
1767         clock_id: *mut clockid_t,
1768     ) -> ::c_int;
1769     pub fn pthread_condattr_setclock(
1770         attr: *mut pthread_condattr_t,
1771         clock_id: ::clockid_t,
1772     ) -> ::c_int;
1773     pub fn pthread_condattr_setpshared(attr: *mut pthread_condattr_t, pshared: ::c_int) -> ::c_int;
1774     pub fn pthread_mutexattr_setpshared(
1775         attr: *mut pthread_mutexattr_t,
1776         pshared: ::c_int,
1777     ) -> ::c_int;
1778     pub fn pthread_rwlockattr_getpshared(
1779         attr: *const pthread_rwlockattr_t,
1780         val: *mut ::c_int,
1781     ) -> ::c_int;
1782     pub fn pthread_rwlockattr_setpshared(attr: *mut pthread_rwlockattr_t, val: ::c_int) -> ::c_int;
1783     pub fn ptsname_r(fd: ::c_int, buf: *mut ::c_char, buflen: ::size_t) -> ::c_int;
1784     pub fn clearenv() -> ::c_int;
1785     pub fn waitid(idtype: idtype_t, id: id_t, infop: *mut ::siginfo_t, options: ::c_int)
1786         -> ::c_int;
1787     pub fn getresuid(ruid: *mut ::uid_t, euid: *mut ::uid_t, suid: *mut ::uid_t) -> ::c_int;
1788     pub fn getresgid(rgid: *mut ::gid_t, egid: *mut ::gid_t, sgid: *mut ::gid_t) -> ::c_int;
1789     pub fn acct(filename: *const ::c_char) -> ::c_int;
1790     pub fn brk(addr: *mut ::c_void) -> ::c_int;
1791     pub fn sbrk(increment: ::intptr_t) -> *mut ::c_void;
1792     #[deprecated(
1793         since = "0.2.66",
1794         note = "causes memory corruption, see rust-lang/libc#1596"
1795     )]
1796     pub fn vfork() -> ::pid_t;
1797     pub fn setresgid(rgid: ::gid_t, egid: ::gid_t, sgid: ::gid_t) -> ::c_int;
1798     pub fn setresuid(ruid: ::uid_t, euid: ::uid_t, suid: ::uid_t) -> ::c_int;
1799     pub fn wait4(
1800         pid: ::pid_t,
1801         status: *mut ::c_int,
1802         options: ::c_int,
1803         rusage: *mut ::rusage,
1804     ) -> ::pid_t;
1805     pub fn login_tty(fd: ::c_int) -> ::c_int;
1806     pub fn execvpe(
1807         file: *const ::c_char,
1808         argv: *const *const ::c_char,
1809         envp: *const *const ::c_char,
1810     ) -> ::c_int;
1811     pub fn fexecve(
1812         fd: ::c_int,
1813         argv: *const *const ::c_char,
1814         envp: *const *const ::c_char,
1815     ) -> ::c_int;
1816     pub fn getifaddrs(ifap: *mut *mut ::ifaddrs) -> ::c_int;
1817     pub fn freeifaddrs(ifa: *mut ::ifaddrs);
1818     pub fn bind(socket: ::c_int, address: *const ::sockaddr, address_len: ::socklen_t) -> ::c_int;
1819 
1820     pub fn writev(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t;
1821     pub fn readv(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t;
1822 
1823     pub fn sendmsg(fd: ::c_int, msg: *const ::msghdr, flags: ::c_int) -> ::ssize_t;
1824     pub fn recvmsg(fd: ::c_int, msg: *mut ::msghdr, flags: ::c_int) -> ::ssize_t;
1825     pub fn uname(buf: *mut ::utsname) -> ::c_int;
1826 
1827     pub fn strchrnul(s: *const ::c_char, c: ::c_int) -> *mut ::c_char;
1828 }
1829 
1830 cfg_if! {
1831     if #[cfg(not(target_env = "uclibc"))] {
1832         extern "C" {
1833             pub fn preadv64(
1834                 fd: ::c_int,
1835                 iov: *const ::iovec,
1836                 iovcnt: ::c_int,
1837                 offset: ::off64_t,
1838             ) -> ::ssize_t;
1839             pub fn pwritev64(
1840                 fd: ::c_int,
1841                 iov: *const ::iovec,
1842                 iovcnt: ::c_int,
1843                 offset: ::off64_t,
1844             ) -> ::ssize_t;
1845             // uclibc has separate non-const version of this function
1846             pub fn forkpty(
1847                 amaster: *mut ::c_int,
1848                 name: *mut ::c_char,
1849                 termp: *const termios,
1850                 winp: *const ::winsize,
1851             ) -> ::pid_t;
1852             // uclibc has separate non-const version of this function
1853             pub fn openpty(
1854                 amaster: *mut ::c_int,
1855                 aslave: *mut ::c_int,
1856                 name: *mut ::c_char,
1857                 termp: *const termios,
1858                 winp: *const ::winsize,
1859             ) -> ::c_int;
1860         }
1861     }
1862 }
1863 
1864 cfg_if! {
1865     if #[cfg(target_os = "emscripten")] {
1866         mod emscripten;
1867         pub use self::emscripten::*;
1868     } else if #[cfg(target_os = "linux")] {
1869         mod linux;
1870         pub use self::linux::*;
1871     } else if #[cfg(target_os = "l4re")] {
1872         mod linux;
1873         pub use self::linux::*;
1874     } else if #[cfg(target_os = "android")] {
1875         mod android;
1876         pub use self::android::*;
1877     } else {
1878         // Unknown target_os
1879     }
1880 }
1881