vendor/libc/src/unix/linux_like/mod.rs

   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"))]
 112         pub sched_ss_low_priority: ::c_int,
 113         #[cfg(any(target_env = "musl", target_os = "emscripten"))]
 114         pub sched_ss_repl_period: ::timespec,
 115         #[cfg(any(target_env = "musl", target_os = "emscripten"))]
 116         pub sched_ss_init_budget: ::timespec,
 117         #[cfg(any(target_env = "musl", target_os = "emscripten"))]
 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         __ss_align: ::size_t,
 235         #[cfg(target_pointer_width = "32")]
 236         __ss_pad2: [u8; 128 - 2 * 4],
 237         #[cfg(target_pointer_width = "64")]
 238         __ss_pad2: [u8; 128 - 2 * 8],
 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(not(target_env = "uclibc"))] {
 561         pub const LC_CTYPE: ::c_int = 0;
 562         pub const LC_NUMERIC: ::c_int = 1;
 563         pub const LC_TIME: ::c_int = 2;
 564         pub const LC_COLLATE: ::c_int = 3;
 565         pub const LC_MONETARY: ::c_int = 4;
 566         pub const LC_MESSAGES: ::c_int = 5;
 567         pub const LC_ALL: ::c_int = 6;
 568     }
 569 }
 570
 571 pub const LC_CTYPE_MASK: ::c_int = 1 << LC_CTYPE;
 572 pub const LC_NUMERIC_MASK: ::c_int = 1 << LC_NUMERIC;
 573 pub const LC_TIME_MASK: ::c_int = 1 << LC_TIME;
 574 pub const LC_COLLATE_MASK: ::c_int = 1 << LC_COLLATE;
 575 pub const LC_MONETARY_MASK: ::c_int = 1 << LC_MONETARY;
 576 pub const LC_MESSAGES_MASK: ::c_int = 1 << LC_MESSAGES;
 577 // LC_ALL_MASK defined per platform
 578
 579 pub const MAP_FILE: ::c_int = 0x0000;
 580 pub const MAP_SHARED: ::c_int = 0x0001;
 581 pub const MAP_PRIVATE: ::c_int = 0x0002;
 582 pub const MAP_FIXED: ::c_int = 0x0010;
 583
 584 pub const MAP_FAILED: *mut ::c_void = !0 as *mut ::c_void;
 585
 586 // MS_ flags for msync(2)
 587 pub const MS_ASYNC: ::c_int = 0x0001;
 588 pub const MS_INVALIDATE: ::c_int = 0x0002;
 589 pub const MS_SYNC: ::c_int = 0x0004;
 590
 591 // MS_ flags for mount(2)
 592 pub const MS_RDONLY: ::c_ulong = 0x01;
 593 pub const MS_NOSUID: ::c_ulong = 0x02;
 594 pub const MS_NODEV: ::c_ulong = 0x04;
 595 pub const MS_NOEXEC: ::c_ulong = 0x08;
 596 pub const MS_SYNCHRONOUS: ::c_ulong = 0x10;
 597 pub const MS_REMOUNT: ::c_ulong = 0x20;
 598 pub const MS_MANDLOCK: ::c_ulong = 0x40;
 599 pub const MS_DIRSYNC: ::c_ulong = 0x80;
 600 pub const MS_NOATIME: ::c_ulong = 0x0400;
 601 pub const MS_NODIRATIME: ::c_ulong = 0x0800;
 602 pub const MS_BIND: ::c_ulong = 0x1000;
 603 pub const MS_MOVE: ::c_ulong = 0x2000;
 604 pub const MS_REC: ::c_ulong = 0x4000;
 605 pub const MS_SILENT: ::c_ulong = 0x8000;
 606 pub const MS_POSIXACL: ::c_ulong = 0x010000;
 607 pub const MS_UNBINDABLE: ::c_ulong = 0x020000;
 608 pub const MS_PRIVATE: ::c_ulong = 0x040000;
 609 pub const MS_SLAVE: ::c_ulong = 0x080000;
 610 pub const MS_SHARED: ::c_ulong = 0x100000;
 611 pub const MS_RELATIME: ::c_ulong = 0x200000;
 612 pub const MS_KERNMOUNT: ::c_ulong = 0x400000;
 613 pub const MS_I_VERSION: ::c_ulong = 0x800000;
 614 pub const MS_STRICTATIME: ::c_ulong = 0x1000000;
 615 pub const MS_LAZYTIME: ::c_ulong = 0x2000000;
 616 pub const MS_ACTIVE: ::c_ulong = 0x40000000;
 617 pub const MS_MGC_VAL: ::c_ulong = 0xc0ed0000;
 618 pub const MS_MGC_MSK: ::c_ulong = 0xffff0000;
 619
 620 pub const SCM_RIGHTS: ::c_int = 0x01;
 621 pub const SCM_CREDENTIALS: ::c_int = 0x02;
 622
 623 pub const PROT_GROWSDOWN: ::c_int = 0x1000000;
 624 pub const PROT_GROWSUP: ::c_int = 0x2000000;
 625
 626 pub const MAP_TYPE: ::c_int = 0x000f;
 627
 628 pub const MADV_NORMAL: ::c_int = 0;
 629 pub const MADV_RANDOM: ::c_int = 1;
 630 pub const MADV_SEQUENTIAL: ::c_int = 2;
 631 pub const MADV_WILLNEED: ::c_int = 3;
 632 pub const MADV_DONTNEED: ::c_int = 4;
 633 pub const MADV_FREE: ::c_int = 8;
 634 pub const MADV_REMOVE: ::c_int = 9;
 635 pub const MADV_DONTFORK: ::c_int = 10;
 636 pub const MADV_DOFORK: ::c_int = 11;
 637 pub const MADV_MERGEABLE: ::c_int = 12;
 638 pub const MADV_UNMERGEABLE: ::c_int = 13;
 639 pub const MADV_HUGEPAGE: ::c_int = 14;
 640 pub const MADV_NOHUGEPAGE: ::c_int = 15;
 641 pub const MADV_DONTDUMP: ::c_int = 16;
 642 pub const MADV_DODUMP: ::c_int = 17;
 643 pub const MADV_HWPOISON: ::c_int = 100;
 644
 645 pub const IFF_UP: ::c_int = 0x1;
 646 pub const IFF_BROADCAST: ::c_int = 0x2;
 647 pub const IFF_DEBUG: ::c_int = 0x4;
 648 pub const IFF_LOOPBACK: ::c_int = 0x8;
 649 pub const IFF_POINTOPOINT: ::c_int = 0x10;
 650 pub const IFF_NOTRAILERS: ::c_int = 0x20;
 651 pub const IFF_RUNNING: ::c_int = 0x40;
 652 pub const IFF_NOARP: ::c_int = 0x80;
 653 pub const IFF_PROMISC: ::c_int = 0x100;
 654 pub const IFF_ALLMULTI: ::c_int = 0x200;
 655 pub const IFF_MASTER: ::c_int = 0x400;
 656 pub const IFF_SLAVE: ::c_int = 0x800;
 657 pub const IFF_MULTICAST: ::c_int = 0x1000;
 658 pub const IFF_PORTSEL: ::c_int = 0x2000;
 659 pub const IFF_AUTOMEDIA: ::c_int = 0x4000;
 660 pub const IFF_DYNAMIC: ::c_int = 0x8000;
 661
 662 pub const SOL_IP: ::c_int = 0;
 663 pub const SOL_TCP: ::c_int = 6;
 664 pub const SOL_UDP: ::c_int = 17;
 665 pub const SOL_IPV6: ::c_int = 41;
 666 pub const SOL_ICMPV6: ::c_int = 58;
 667 pub const SOL_RAW: ::c_int = 255;
 668 pub const SOL_DECNET: ::c_int = 261;
 669 pub const SOL_X25: ::c_int = 262;
 670 pub const SOL_PACKET: ::c_int = 263;
 671 pub const SOL_ATM: ::c_int = 264;
 672 pub const SOL_AAL: ::c_int = 265;
 673 pub const SOL_IRDA: ::c_int = 266;
 674 pub const SOL_NETBEUI: ::c_int = 267;
 675 pub const SOL_LLC: ::c_int = 268;
 676 pub const SOL_DCCP: ::c_int = 269;
 677 pub const SOL_NETLINK: ::c_int = 270;
 678 pub const SOL_TIPC: ::c_int = 271;
 679 pub const SOL_BLUETOOTH: ::c_int = 274;
 680 pub const SOL_ALG: ::c_int = 279;
 681
 682 pub const AF_UNSPEC: ::c_int = 0;
 683 pub const AF_UNIX: ::c_int = 1;
 684 pub const AF_LOCAL: ::c_int = 1;
 685 pub const AF_INET: ::c_int = 2;
 686 pub const AF_AX25: ::c_int = 3;
 687 pub const AF_IPX: ::c_int = 4;
 688 pub const AF_APPLETALK: ::c_int = 5;
 689 pub const AF_NETROM: ::c_int = 6;
 690 pub const AF_BRIDGE: ::c_int = 7;
 691 pub const AF_ATMPVC: ::c_int = 8;
 692 pub const AF_X25: ::c_int = 9;
 693 pub const AF_INET6: ::c_int = 10;
 694 pub const AF_ROSE: ::c_int = 11;
 695 pub const AF_DECnet: ::c_int = 12;
 696 pub const AF_NETBEUI: ::c_int = 13;
 697 pub const AF_SECURITY: ::c_int = 14;
 698 pub const AF_KEY: ::c_int = 15;
 699 pub const AF_NETLINK: ::c_int = 16;
 700 pub const AF_ROUTE: ::c_int = AF_NETLINK;
 701 pub const AF_PACKET: ::c_int = 17;
 702 pub const AF_ASH: ::c_int = 18;
 703 pub const AF_ECONET: ::c_int = 19;
 704 pub const AF_ATMSVC: ::c_int = 20;
 705 pub const AF_RDS: ::c_int = 21;
 706 pub const AF_SNA: ::c_int = 22;
 707 pub const AF_IRDA: ::c_int = 23;
 708 pub const AF_PPPOX: ::c_int = 24;
 709 pub const AF_WANPIPE: ::c_int = 25;
 710 pub const AF_LLC: ::c_int = 26;
 711 pub const AF_CAN: ::c_int = 29;
 712 pub const AF_TIPC: ::c_int = 30;
 713 pub const AF_BLUETOOTH: ::c_int = 31;
 714 pub const AF_IUCV: ::c_int = 32;
 715 pub const AF_RXRPC: ::c_int = 33;
 716 pub const AF_ISDN: ::c_int = 34;
 717 pub const AF_PHONET: ::c_int = 35;
 718 pub const AF_IEEE802154: ::c_int = 36;
 719 pub const AF_CAIF: ::c_int = 37;
 720 pub const AF_ALG: ::c_int = 38;
 721
 722 pub const PF_UNSPEC: ::c_int = AF_UNSPEC;
 723 pub const PF_UNIX: ::c_int = AF_UNIX;
 724 pub const PF_LOCAL: ::c_int = AF_LOCAL;
 725 pub const PF_INET: ::c_int = AF_INET;
 726 pub const PF_AX25: ::c_int = AF_AX25;
 727 pub const PF_IPX: ::c_int = AF_IPX;
 728 pub const PF_APPLETALK: ::c_int = AF_APPLETALK;
 729 pub const PF_NETROM: ::c_int = AF_NETROM;
 730 pub const PF_BRIDGE: ::c_int = AF_BRIDGE;
 731 pub const PF_ATMPVC: ::c_int = AF_ATMPVC;
 732 pub const PF_X25: ::c_int = AF_X25;
 733 pub const PF_INET6: ::c_int = AF_INET6;
 734 pub const PF_ROSE: ::c_int = AF_ROSE;
 735 pub const PF_DECnet: ::c_int = AF_DECnet;
 736 pub const PF_NETBEUI: ::c_int = AF_NETBEUI;
 737 pub const PF_SECURITY: ::c_int = AF_SECURITY;
 738 pub const PF_KEY: ::c_int = AF_KEY;
 739 pub const PF_NETLINK: ::c_int = AF_NETLINK;
 740 pub const PF_ROUTE: ::c_int = AF_ROUTE;
 741 pub const PF_PACKET: ::c_int = AF_PACKET;
 742 pub const PF_ASH: ::c_int = AF_ASH;
 743 pub const PF_ECONET: ::c_int = AF_ECONET;
 744 pub const PF_ATMSVC: ::c_int = AF_ATMSVC;
 745 pub const PF_RDS: ::c_int = AF_RDS;
 746 pub const PF_SNA: ::c_int = AF_SNA;
 747 pub const PF_IRDA: ::c_int = AF_IRDA;
 748 pub const PF_PPPOX: ::c_int = AF_PPPOX;
 749 pub const PF_WANPIPE: ::c_int = AF_WANPIPE;
 750 pub const PF_LLC: ::c_int = AF_LLC;
 751 pub const PF_CAN: ::c_int = AF_CAN;
 752 pub const PF_TIPC: ::c_int = AF_TIPC;
 753 pub const PF_BLUETOOTH: ::c_int = AF_BLUETOOTH;
 754 pub const PF_IUCV: ::c_int = AF_IUCV;
 755 pub const PF_RXRPC: ::c_int = AF_RXRPC;
 756 pub const PF_ISDN: ::c_int = AF_ISDN;
 757 pub const PF_PHONET: ::c_int = AF_PHONET;
 758 pub const PF_IEEE802154: ::c_int = AF_IEEE802154;
 759 pub const PF_CAIF: ::c_int = AF_CAIF;
 760 pub const PF_ALG: ::c_int = AF_ALG;
 761
 762 pub const MSG_OOB: ::c_int = 1;
 763 pub const MSG_PEEK: ::c_int = 2;
 764 pub const MSG_DONTROUTE: ::c_int = 4;
 765 pub const MSG_CTRUNC: ::c_int = 8;
 766 pub const MSG_TRUNC: ::c_int = 0x20;
 767 pub const MSG_DONTWAIT: ::c_int = 0x40;
 768 pub const MSG_EOR: ::c_int = 0x80;
 769 pub const MSG_WAITALL: ::c_int = 0x100;
 770 pub const MSG_FIN: ::c_int = 0x200;
 771 pub const MSG_SYN: ::c_int = 0x400;
 772 pub const MSG_CONFIRM: ::c_int = 0x800;
 773 pub const MSG_RST: ::c_int = 0x1000;
 774 pub const MSG_ERRQUEUE: ::c_int = 0x2000;
 775 pub const MSG_NOSIGNAL: ::c_int = 0x4000;
 776 pub const MSG_MORE: ::c_int = 0x8000;
 777 pub const MSG_WAITFORONE: ::c_int = 0x10000;
 778 pub const MSG_FASTOPEN: ::c_int = 0x20000000;
 779 pub const MSG_CMSG_CLOEXEC: ::c_int = 0x40000000;
 780
 781 pub const SCM_TIMESTAMP: ::c_int = SO_TIMESTAMP;
 782
 783 pub const SOCK_RAW: ::c_int = 3;
 784 pub const SOCK_RDM: ::c_int = 4;
 785 pub const IP_TOS: ::c_int = 1;
 786 pub const IP_TTL: ::c_int = 2;
 787 pub const IP_HDRINCL: ::c_int = 3;
 788 pub const IP_OPTIONS: ::c_int = 4;
 789 pub const IP_ROUTER_ALERT: ::c_int = 5;
 790 pub const IP_RECVOPTS: ::c_int = 6;
 791 pub const IP_RETOPTS: ::c_int = 7;
 792 pub const IP_PKTINFO: ::c_int = 8;
 793 pub const IP_PKTOPTIONS: ::c_int = 9;
 794 pub const IP_MTU_DISCOVER: ::c_int = 10;
 795 pub const IP_RECVERR: ::c_int = 11;
 796 pub const IP_RECVTTL: ::c_int = 12;
 797 pub const IP_RECVTOS: ::c_int = 13;
 798 pub const IP_MTU: ::c_int = 14;
 799 pub const IP_FREEBIND: ::c_int = 15;
 800 pub const IP_IPSEC_POLICY: ::c_int = 16;
 801 pub const IP_XFRM_POLICY: ::c_int = 17;
 802 pub const IP_PASSSEC: ::c_int = 18;
 803 pub const IP_TRANSPARENT: ::c_int = 19;
 804 pub const IP_ORIGDSTADDR: ::c_int = 20;
 805 pub const IP_RECVORIGDSTADDR: ::c_int = IP_ORIGDSTADDR;
 806 pub const IP_MINTTL: ::c_int = 21;
 807 pub const IP_NODEFRAG: ::c_int = 22;
 808 pub const IP_CHECKSUM: ::c_int = 23;
 809 pub const IP_BIND_ADDRESS_NO_PORT: ::c_int = 24;
 810 pub const IP_MULTICAST_IF: ::c_int = 32;
 811 pub const IP_MULTICAST_TTL: ::c_int = 33;
 812 pub const IP_MULTICAST_LOOP: ::c_int = 34;
 813 pub const IP_ADD_MEMBERSHIP: ::c_int = 35;
 814 pub const IP_DROP_MEMBERSHIP: ::c_int = 36;
 815 pub const IP_UNBLOCK_SOURCE: ::c_int = 37;
 816 pub const IP_BLOCK_SOURCE: ::c_int = 38;
 817 pub const IP_ADD_SOURCE_MEMBERSHIP: ::c_int = 39;
 818 pub const IP_DROP_SOURCE_MEMBERSHIP: ::c_int = 40;
 819 pub const IP_MSFILTER: ::c_int = 41;
 820 pub const IP_MULTICAST_ALL: ::c_int = 49;
 821 pub const IP_UNICAST_IF: ::c_int = 50;
 822
 823 pub const IP_DEFAULT_MULTICAST_TTL: ::c_int = 1;
 824 pub const IP_DEFAULT_MULTICAST_LOOP: ::c_int = 1;
 825
 826 pub const IP_PMTUDISC_DONT: ::c_int = 0;
 827 pub const IP_PMTUDISC_WANT: ::c_int = 1;
 828 pub const IP_PMTUDISC_DO: ::c_int = 2;
 829 pub const IP_PMTUDISC_PROBE: ::c_int = 3;
 830 pub const IP_PMTUDISC_INTERFACE: ::c_int = 4;
 831 pub const IP_PMTUDISC_OMIT: ::c_int = 5;
 832
 833 // IPPROTO_IP defined in src/unix/mod.rs
 834 /// Hop-by-hop option header
 835 pub const IPPROTO_HOPOPTS: ::c_int = 0;
 836 // IPPROTO_ICMP defined in src/unix/mod.rs
 837 /// group mgmt protocol
 838 pub const IPPROTO_IGMP: ::c_int = 2;
 839 /// for compatibility
 840 pub const IPPROTO_IPIP: ::c_int = 4;
 841 // IPPROTO_TCP defined in src/unix/mod.rs
 842 /// exterior gateway protocol
 843 pub const IPPROTO_EGP: ::c_int = 8;
 844 /// pup
 845 pub const IPPROTO_PUP: ::c_int = 12;
 846 // IPPROTO_UDP defined in src/unix/mod.rs
 847 /// xns idp
 848 pub const IPPROTO_IDP: ::c_int = 22;
 849 /// tp-4 w/ class negotiation
 850 pub const IPPROTO_TP: ::c_int = 29;
 851 /// DCCP
 852 pub const IPPROTO_DCCP: ::c_int = 33;
 853 // IPPROTO_IPV6 defined in src/unix/mod.rs
 854 /// IP6 routing header
 855 pub const IPPROTO_ROUTING: ::c_int = 43;
 856 /// IP6 fragmentation header
 857 pub const IPPROTO_FRAGMENT: ::c_int = 44;
 858 /// resource reservation
 859 pub const IPPROTO_RSVP: ::c_int = 46;
 860 /// General Routing Encap.
 861 pub const IPPROTO_GRE: ::c_int = 47;
 862 /// IP6 Encap Sec. Payload
 863 pub const IPPROTO_ESP: ::c_int = 50;
 864 /// IP6 Auth Header
 865 pub const IPPROTO_AH: ::c_int = 51;
 866 // IPPROTO_ICMPV6 defined in src/unix/mod.rs
 867 /// IP6 no next header
 868 pub const IPPROTO_NONE: ::c_int = 59;
 869 /// IP6 destination option
 870 pub const IPPROTO_DSTOPTS: ::c_int = 60;
 871 pub const IPPROTO_MTP: ::c_int = 92;
 872 /// encapsulation header
 873 pub const IPPROTO_ENCAP: ::c_int = 98;
 874 /// Protocol indep. multicast
 875 pub const IPPROTO_PIM: ::c_int = 103;
 876 /// IP Payload Comp. Protocol
 877 pub const IPPROTO_COMP: ::c_int = 108;
 878 /// SCTP
 879 pub const IPPROTO_SCTP: ::c_int = 132;
 880 pub const IPPROTO_MH: ::c_int = 135;
 881 pub const IPPROTO_UDPLITE: ::c_int = 136;
 882 /// raw IP packet
 883 pub const IPPROTO_RAW: ::c_int = 255;
 884 pub const IPPROTO_BEETPH: ::c_int = 94;
 885 pub const IPPROTO_MPLS: ::c_int = 137;
 886
 887 pub const MCAST_EXCLUDE: ::c_int = 0;
 888 pub const MCAST_INCLUDE: ::c_int = 1;
 889 pub const MCAST_JOIN_GROUP: ::c_int = 42;
 890 pub const MCAST_BLOCK_SOURCE: ::c_int = 43;
 891 pub const MCAST_UNBLOCK_SOURCE: ::c_int = 44;
 892 pub const MCAST_LEAVE_GROUP: ::c_int = 45;
 893 pub const MCAST_JOIN_SOURCE_GROUP: ::c_int = 46;
 894 pub const MCAST_LEAVE_SOURCE_GROUP: ::c_int = 47;
 895 pub const MCAST_MSFILTER: ::c_int = 48;
 896
 897 pub const IPV6_ADDRFORM: ::c_int = 1;
 898 pub const IPV6_2292PKTINFO: ::c_int = 2;
 899 pub const IPV6_2292HOPOPTS: ::c_int = 3;
 900 pub const IPV6_2292DSTOPTS: ::c_int = 4;
 901 pub const IPV6_2292RTHDR: ::c_int = 5;
 902 pub const IPV6_2292PKTOPTIONS: ::c_int = 6;
 903 pub const IPV6_CHECKSUM: ::c_int = 7;
 904 pub const IPV6_2292HOPLIMIT: ::c_int = 8;
 905 pub const IPV6_NEXTHOP: ::c_int = 9;
 906 pub const IPV6_AUTHHDR: ::c_int = 10;
 907 pub const IPV6_UNICAST_HOPS: ::c_int = 16;
 908 pub const IPV6_MULTICAST_IF: ::c_int = 17;
 909 pub const IPV6_MULTICAST_HOPS: ::c_int = 18;
 910 pub const IPV6_MULTICAST_LOOP: ::c_int = 19;
 911 pub const IPV6_ADD_MEMBERSHIP: ::c_int = 20;
 912 pub const IPV6_DROP_MEMBERSHIP: ::c_int = 21;
 913 pub const IPV6_ROUTER_ALERT: ::c_int = 22;
 914 pub const IPV6_MTU_DISCOVER: ::c_int = 23;
 915 pub const IPV6_MTU: ::c_int = 24;
 916 pub const IPV6_RECVERR: ::c_int = 25;
 917 pub const IPV6_V6ONLY: ::c_int = 26;
 918 pub const IPV6_JOIN_ANYCAST: ::c_int = 27;
 919 pub const IPV6_LEAVE_ANYCAST: ::c_int = 28;
 920 pub const IPV6_IPSEC_POLICY: ::c_int = 34;
 921 pub const IPV6_XFRM_POLICY: ::c_int = 35;
 922 pub const IPV6_HDRINCL: ::c_int = 36;
 923 pub const IPV6_RECVPKTINFO: ::c_int = 49;
 924 pub const IPV6_PKTINFO: ::c_int = 50;
 925 pub const IPV6_RECVHOPLIMIT: ::c_int = 51;
 926 pub const IPV6_HOPLIMIT: ::c_int = 52;
 927 pub const IPV6_RECVHOPOPTS: ::c_int = 53;
 928 pub const IPV6_HOPOPTS: ::c_int = 54;
 929 pub const IPV6_RTHDRDSTOPTS: ::c_int = 55;
 930 pub const IPV6_RECVRTHDR: ::c_int = 56;
 931 pub const IPV6_RTHDR: ::c_int = 57;
 932 pub const IPV6_RECVDSTOPTS: ::c_int = 58;
 933 pub const IPV6_DSTOPTS: ::c_int = 59;
 934 pub const IPV6_RECVPATHMTU: ::c_int = 60;
 935 pub const IPV6_PATHMTU: ::c_int = 61;
 936 pub const IPV6_DONTFRAG: ::c_int = 62;
 937 pub const IPV6_RECVTCLASS: ::c_int = 66;
 938 pub const IPV6_TCLASS: ::c_int = 67;
 939 pub const IPV6_AUTOFLOWLABEL: ::c_int = 70;
 940 pub const IPV6_ADDR_PREFERENCES: ::c_int = 72;
 941 pub const IPV6_MINHOPCOUNT: ::c_int = 73;
 942 pub const IPV6_ORIGDSTADDR: ::c_int = 74;
 943 pub const IPV6_RECVORIGDSTADDR: ::c_int = IPV6_ORIGDSTADDR;
 944 pub const IPV6_TRANSPARENT: ::c_int = 75;
 945 pub const IPV6_UNICAST_IF: ::c_int = 76;
 946 pub const IPV6_PREFER_SRC_TMP: ::c_int = 0x0001;
 947 pub const IPV6_PREFER_SRC_PUBLIC: ::c_int = 0x0002;
 948 pub const IPV6_PREFER_SRC_PUBTMP_DEFAULT: ::c_int = 0x0100;
 949 pub const IPV6_PREFER_SRC_COA: ::c_int = 0x0004;
 950 pub const IPV6_PREFER_SRC_HOME: ::c_int = 0x0400;
 951 pub const IPV6_PREFER_SRC_CGA: ::c_int = 0x0008;
 952 pub const IPV6_PREFER_SRC_NONCGA: ::c_int = 0x0800;
 953
 954 pub const IPV6_PMTUDISC_DONT: ::c_int = 0;
 955 pub const IPV6_PMTUDISC_WANT: ::c_int = 1;
 956 pub const IPV6_PMTUDISC_DO: ::c_int = 2;
 957 pub const IPV6_PMTUDISC_PROBE: ::c_int = 3;
 958 pub const IPV6_PMTUDISC_INTERFACE: ::c_int = 4;
 959 pub const IPV6_PMTUDISC_OMIT: ::c_int = 5;
 960
 961 pub const TCP_NODELAY: ::c_int = 1;
 962 pub const TCP_MAXSEG: ::c_int = 2;
 963 pub const TCP_CORK: ::c_int = 3;
 964 pub const TCP_KEEPIDLE: ::c_int = 4;
 965 pub const TCP_KEEPINTVL: ::c_int = 5;
 966 pub const TCP_KEEPCNT: ::c_int = 6;
 967 pub const TCP_SYNCNT: ::c_int = 7;
 968 pub const TCP_LINGER2: ::c_int = 8;
 969 pub const TCP_DEFER_ACCEPT: ::c_int = 9;
 970 pub const TCP_WINDOW_CLAMP: ::c_int = 10;
 971 pub const TCP_INFO: ::c_int = 11;
 972 pub const TCP_QUICKACK: ::c_int = 12;
 973 pub const TCP_CONGESTION: ::c_int = 13;
 974 pub const TCP_MD5SIG: ::c_int = 14;
 975 cfg_if! {
 976     if #[cfg(all(target_os = "linux", any(target_env = "gnu", target_env = "musl")))] {
 977         // WARN: deprecated
 978         pub const TCP_COOKIE_TRANSACTIONS: ::c_int = 15;
 979     }
 980 }
 981 pub const TCP_THIN_LINEAR_TIMEOUTS: ::c_int = 16;
 982 pub const TCP_THIN_DUPACK: ::c_int = 17;
 983 pub const TCP_USER_TIMEOUT: ::c_int = 18;
 984 pub const TCP_REPAIR: ::c_int = 19;
 985 pub const TCP_REPAIR_QUEUE: ::c_int = 20;
 986 pub const TCP_QUEUE_SEQ: ::c_int = 21;
 987 pub const TCP_REPAIR_OPTIONS: ::c_int = 22;
 988 pub const TCP_FASTOPEN: ::c_int = 23;
 989 pub const TCP_TIMESTAMP: ::c_int = 24;
 990 pub const TCP_NOTSENT_LOWAT: ::c_int = 25;
 991 pub const TCP_CC_INFO: ::c_int = 26;
 992 pub const TCP_SAVE_SYN: ::c_int = 27;
 993 pub const TCP_SAVED_SYN: ::c_int = 28;
 994 cfg_if! {
 995     if #[cfg(not(target_os = "emscripten"))] {
 996         // NOTE: emscripten doesn't support these options yet.
 997
 998         pub const TCP_REPAIR_WINDOW: ::c_int = 29;
 999         pub const TCP_FASTOPEN_CONNECT: ::c_int = 30;
1000         pub const TCP_ULP: ::c_int = 31;
1001         pub const TCP_MD5SIG_EXT: ::c_int = 32;
1002         pub const TCP_FASTOPEN_KEY: ::c_int = 33;
1003         pub const TCP_FASTOPEN_NO_COOKIE: ::c_int = 34;
1004         pub const TCP_ZEROCOPY_RECEIVE: ::c_int = 35;
1005         pub const TCP_INQ: ::c_int = 36;
1006         pub const TCP_CM_INQ: ::c_int = TCP_INQ;
1007         // NOTE: Some CI images doesn't have this option yet.
1008         // pub const TCP_TX_DELAY: ::c_int = 37;
1009     }
1010 }
1011
1012 pub const SO_DEBUG: ::c_int = 1;
1013
1014 pub const SHUT_RD: ::c_int = 0;
1015 pub const SHUT_WR: ::c_int = 1;
1016 pub const SHUT_RDWR: ::c_int = 2;
1017
1018 pub const LOCK_SH: ::c_int = 1;
1019 pub const LOCK_EX: ::c_int = 2;
1020 pub const LOCK_NB: ::c_int = 4;
1021 pub const LOCK_UN: ::c_int = 8;
1022
1023 pub const SS_ONSTACK: ::c_int = 1;
1024 pub const SS_DISABLE: ::c_int = 2;
1025
1026 pub const PATH_MAX: ::c_int = 4096;
1027
1028 pub const UIO_MAXIOV: ::c_int = 1024;
1029
1030 pub const FD_SETSIZE: usize = 1024;
1031
1032 pub const EPOLLIN: ::c_int = 0x1;
1033 pub const EPOLLPRI: ::c_int = 0x2;
1034 pub const EPOLLOUT: ::c_int = 0x4;
1035 pub const EPOLLERR: ::c_int = 0x8;
1036 pub const EPOLLHUP: ::c_int = 0x10;
1037 pub const EPOLLRDNORM: ::c_int = 0x40;
1038 pub const EPOLLRDBAND: ::c_int = 0x80;
1039 pub const EPOLLWRNORM: ::c_int = 0x100;
1040 pub const EPOLLWRBAND: ::c_int = 0x200;
1041 pub const EPOLLMSG: ::c_int = 0x400;
1042 pub const EPOLLRDHUP: ::c_int = 0x2000;
1043 pub const EPOLLEXCLUSIVE: ::c_int = 0x10000000;
1044 pub const EPOLLWAKEUP: ::c_int = 0x20000000;
1045 pub const EPOLLONESHOT: ::c_int = 0x40000000;
1046 pub const EPOLLET: ::c_int = 0x80000000;
1047
1048 pub const EPOLL_CTL_ADD: ::c_int = 1;
1049 pub const EPOLL_CTL_MOD: ::c_int = 3;
1050 pub const EPOLL_CTL_DEL: ::c_int = 2;
1051
1052 pub const MNT_FORCE: ::c_int = 0x1;
1053 pub const MNT_DETACH: ::c_int = 0x2;
1054 pub const MNT_EXPIRE: ::c_int = 0x4;
1055 pub const UMOUNT_NOFOLLOW: ::c_int = 0x8;
1056
1057 pub const Q_GETFMT: ::c_int = 0x800004;
1058 pub const Q_GETINFO: ::c_int = 0x800005;
1059 pub const Q_SETINFO: ::c_int = 0x800006;
1060 pub const QIF_BLIMITS: u32 = 1;
1061 pub const QIF_SPACE: u32 = 2;
1062 pub const QIF_ILIMITS: u32 = 4;
1063 pub const QIF_INODES: u32 = 8;
1064 pub const QIF_BTIME: u32 = 16;
1065 pub const QIF_ITIME: u32 = 32;
1066 pub const QIF_LIMITS: u32 = 5;
1067 pub const QIF_USAGE: u32 = 10;
1068 pub const QIF_TIMES: u32 = 48;
1069 pub const QIF_ALL: u32 = 63;
1070
1071 pub const Q_SYNC: ::c_int = 0x800001;
1072 pub const Q_QUOTAON: ::c_int = 0x800002;
1073 pub const Q_QUOTAOFF: ::c_int = 0x800003;
1074 pub const Q_GETQUOTA: ::c_int = 0x800007;
1075 pub const Q_SETQUOTA: ::c_int = 0x800008;
1076
1077 pub const TCIOFF: ::c_int = 2;
1078 pub const TCION: ::c_int = 3;
1079 pub const TCOOFF: ::c_int = 0;
1080 pub const TCOON: ::c_int = 1;
1081 pub const TCIFLUSH: ::c_int = 0;
1082 pub const TCOFLUSH: ::c_int = 1;
1083 pub const TCIOFLUSH: ::c_int = 2;
1084 pub const NL0: ::tcflag_t = 0x00000000;
1085 pub const NL1: ::tcflag_t = 0x00000100;
1086 pub const TAB0: ::tcflag_t = 0x00000000;
1087 pub const CR0: ::tcflag_t = 0x00000000;
1088 pub const FF0: ::tcflag_t = 0x00000000;
1089 pub const BS0: ::tcflag_t = 0x00000000;
1090 pub const VT0: ::tcflag_t = 0x00000000;
1091 pub const VERASE: usize = 2;
1092 pub const VKILL: usize = 3;
1093 pub const VINTR: usize = 0;
1094 pub const VQUIT: usize = 1;
1095 pub const VLNEXT: usize = 15;
1096 pub const IGNBRK: ::tcflag_t = 0x00000001;
1097 pub const BRKINT: ::tcflag_t = 0x00000002;
1098 pub const IGNPAR: ::tcflag_t = 0x00000004;
1099 pub const PARMRK: ::tcflag_t = 0x00000008;
1100 pub const INPCK: ::tcflag_t = 0x00000010;
1101 pub const ISTRIP: ::tcflag_t = 0x00000020;
1102 pub const INLCR: ::tcflag_t = 0x00000040;
1103 pub const IGNCR: ::tcflag_t = 0x00000080;
1104 pub const ICRNL: ::tcflag_t = 0x00000100;
1105 pub const IXANY: ::tcflag_t = 0x00000800;
1106 pub const IMAXBEL: ::tcflag_t = 0x00002000;
1107 pub const OPOST: ::tcflag_t = 0x1;
1108 pub const CS5: ::tcflag_t = 0x00000000;
1109 pub const CRTSCTS: ::tcflag_t = 0x80000000;
1110 pub const ECHO: ::tcflag_t = 0x00000008;
1111 pub const OCRNL: ::tcflag_t = 0o000010;
1112 pub const ONOCR: ::tcflag_t = 0o000020;
1113 pub const ONLRET: ::tcflag_t = 0o000040;
1114 pub const OFILL: ::tcflag_t = 0o000100;
1115 pub const OFDEL: ::tcflag_t = 0o000200;
1116
1117 pub const CLONE_VM: ::c_int = 0x100;
1118 pub const CLONE_FS: ::c_int = 0x200;
1119 pub const CLONE_FILES: ::c_int = 0x400;
1120 pub const CLONE_SIGHAND: ::c_int = 0x800;
1121 pub const CLONE_PTRACE: ::c_int = 0x2000;
1122 pub const CLONE_VFORK: ::c_int = 0x4000;
1123 pub const CLONE_PARENT: ::c_int = 0x8000;
1124 pub const CLONE_THREAD: ::c_int = 0x10000;
1125 pub const CLONE_NEWNS: ::c_int = 0x20000;
1126 pub const CLONE_SYSVSEM: ::c_int = 0x40000;
1127 pub const CLONE_SETTLS: ::c_int = 0x80000;
1128 pub const CLONE_PARENT_SETTID: ::c_int = 0x100000;
1129 pub const CLONE_CHILD_CLEARTID: ::c_int = 0x200000;
1130 pub const CLONE_DETACHED: ::c_int = 0x400000;
1131 pub const CLONE_UNTRACED: ::c_int = 0x800000;
1132 pub const CLONE_CHILD_SETTID: ::c_int = 0x01000000;
1133 pub const CLONE_NEWCGROUP: ::c_int = 0x02000000;
1134 pub const CLONE_NEWUTS: ::c_int = 0x04000000;
1135 pub const CLONE_NEWIPC: ::c_int = 0x08000000;
1136 pub const CLONE_NEWUSER: ::c_int = 0x10000000;
1137 pub const CLONE_NEWPID: ::c_int = 0x20000000;
1138 pub const CLONE_NEWNET: ::c_int = 0x40000000;
1139 pub const CLONE_IO: ::c_int = 0x80000000;
1140
1141 pub const WNOHANG: ::c_int = 0x00000001;
1142 pub const WUNTRACED: ::c_int = 0x00000002;
1143 pub const WSTOPPED: ::c_int = WUNTRACED;
1144 pub const WEXITED: ::c_int = 0x00000004;
1145 pub const WCONTINUED: ::c_int = 0x00000008;
1146 pub const WNOWAIT: ::c_int = 0x01000000;
1147
1148 // Options for personality(2).
1149 pub const ADDR_NO_RANDOMIZE: ::c_int = 0x0040000;
1150 pub const MMAP_PAGE_ZERO: ::c_int = 0x0100000;
1151 pub const ADDR_COMPAT_LAYOUT: ::c_int = 0x0200000;
1152 pub const READ_IMPLIES_EXEC: ::c_int = 0x0400000;
1153 pub const ADDR_LIMIT_32BIT: ::c_int = 0x0800000;
1154 pub const SHORT_INODE: ::c_int = 0x1000000;
1155 pub const WHOLE_SECONDS: ::c_int = 0x2000000;
1156 pub const STICKY_TIMEOUTS: ::c_int = 0x4000000;
1157 pub const ADDR_LIMIT_3GB: ::c_int = 0x8000000;
1158
1159 // Options set using PTRACE_SETOPTIONS.
1160 pub const PTRACE_O_TRACESYSGOOD: ::c_int = 0x00000001;
1161 pub const PTRACE_O_TRACEFORK: ::c_int = 0x00000002;
1162 pub const PTRACE_O_TRACEVFORK: ::c_int = 0x00000004;
1163 pub const PTRACE_O_TRACECLONE: ::c_int = 0x00000008;
1164 pub const PTRACE_O_TRACEEXEC: ::c_int = 0x00000010;
1165 pub const PTRACE_O_TRACEVFORKDONE: ::c_int = 0x00000020;
1166 pub const PTRACE_O_TRACEEXIT: ::c_int = 0x00000040;
1167 pub const PTRACE_O_TRACESECCOMP: ::c_int = 0x00000080;
1168 pub const PTRACE_O_SUSPEND_SECCOMP: ::c_int = 0x00200000;
1169 pub const PTRACE_O_EXITKILL: ::c_int = 0x00100000;
1170 pub const PTRACE_O_MASK: ::c_int = 0x003000ff;
1171
1172 // Wait extended result codes for the above trace options.
1173 pub const PTRACE_EVENT_FORK: ::c_int = 1;
1174 pub const PTRACE_EVENT_VFORK: ::c_int = 2;
1175 pub const PTRACE_EVENT_CLONE: ::c_int = 3;
1176 pub const PTRACE_EVENT_EXEC: ::c_int = 4;
1177 pub const PTRACE_EVENT_VFORK_DONE: ::c_int = 5;
1178 pub const PTRACE_EVENT_EXIT: ::c_int = 6;
1179 pub const PTRACE_EVENT_SECCOMP: ::c_int = 7;
1180
1181 pub const __WNOTHREAD: ::c_int = 0x20000000;
1182 pub const __WALL: ::c_int = 0x40000000;
1183 pub const __WCLONE: ::c_int = 0x80000000;
1184
1185 pub const SPLICE_F_MOVE: ::c_uint = 0x01;
1186 pub const SPLICE_F_NONBLOCK: ::c_uint = 0x02;
1187 pub const SPLICE_F_MORE: ::c_uint = 0x04;
1188 pub const SPLICE_F_GIFT: ::c_uint = 0x08;
1189
1190 pub const RTLD_LOCAL: ::c_int = 0;
1191 pub const RTLD_LAZY: ::c_int = 1;
1192
1193 pub const POSIX_FADV_NORMAL: ::c_int = 0;
1194 pub const POSIX_FADV_RANDOM: ::c_int = 1;
1195 pub const POSIX_FADV_SEQUENTIAL: ::c_int = 2;
1196 pub const POSIX_FADV_WILLNEED: ::c_int = 3;
1197
1198 pub const AT_FDCWD: ::c_int = -100;
1199 pub const AT_SYMLINK_NOFOLLOW: ::c_int = 0x100;
1200 pub const AT_REMOVEDIR: ::c_int = 0x200;
1201 pub const AT_SYMLINK_FOLLOW: ::c_int = 0x400;
1202 pub const AT_NO_AUTOMOUNT: ::c_int = 0x800;
1203 pub const AT_EMPTY_PATH: ::c_int = 0x1000;
1204
1205 pub const LOG_CRON: ::c_int = 9 << 3;
1206 pub const LOG_AUTHPRIV: ::c_int = 10 << 3;
1207 pub const LOG_FTP: ::c_int = 11 << 3;
1208 pub const LOG_PERROR: ::c_int = 0x20;
1209
1210 pub const PIPE_BUF: usize = 4096;
1211
1212 pub const SI_LOAD_SHIFT: ::c_uint = 16;
1213
1214 // si_code values for SIGBUS signal
1215 pub const BUS_ADRALN: ::c_int = 1;
1216 pub const BUS_ADRERR: ::c_int = 2;
1217 pub const BUS_OBJERR: ::c_int = 3;
1218 // Linux-specific si_code values for SIGBUS signal
1219 pub const BUS_MCEERR_AR: ::c_int = 4;
1220 pub const BUS_MCEERR_AO: ::c_int = 5;
1221
1222 // si_code values for SIGCHLD signal
1223 pub const CLD_EXITED: ::c_int = 1;
1224 pub const CLD_KILLED: ::c_int = 2;
1225 pub const CLD_DUMPED: ::c_int = 3;
1226 pub const CLD_TRAPPED: ::c_int = 4;
1227 pub const CLD_STOPPED: ::c_int = 5;
1228 pub const CLD_CONTINUED: ::c_int = 6;
1229
1230 pub const SIGEV_SIGNAL: ::c_int = 0;
1231 pub const SIGEV_NONE: ::c_int = 1;
1232 pub const SIGEV_THREAD: ::c_int = 2;
1233
1234 pub const P_ALL: idtype_t = 0;
1235 pub const P_PID: idtype_t = 1;
1236 pub const P_PGID: idtype_t = 2;
1237 cfg_if! {
1238     if #[cfg(not(target_os = "emscripten"))] {
1239         pub const P_PIDFD: idtype_t = 3;
1240     }
1241 }
1242
1243 pub const UTIME_OMIT: c_long = 1073741822;
1244 pub const UTIME_NOW: c_long = 1073741823;
1245
1246 pub const POLLIN: ::c_short = 0x1;
1247 pub const POLLPRI: ::c_short = 0x2;
1248 pub const POLLOUT: ::c_short = 0x4;
1249 pub const POLLERR: ::c_short = 0x8;
1250 pub const POLLHUP: ::c_short = 0x10;
1251 pub const POLLNVAL: ::c_short = 0x20;
1252 pub const POLLRDNORM: ::c_short = 0x040;
1253 pub const POLLRDBAND: ::c_short = 0x080;
1254 #[cfg(not(any(target_arch = "sparc", target_arch = "sparc64")))]
1255 pub const POLLRDHUP: ::c_short = 0x2000;
1256 #[cfg(any(target_arch = "sparc", target_arch = "sparc64"))]
1257 pub const POLLRDHUP: ::c_short = 0x800;
1258
1259 pub const IPTOS_LOWDELAY: u8 = 0x10;
1260 pub const IPTOS_THROUGHPUT: u8 = 0x08;
1261 pub const IPTOS_RELIABILITY: u8 = 0x04;
1262 pub const IPTOS_MINCOST: u8 = 0x02;
1263
1264 pub const IPTOS_PREC_NETCONTROL: u8 = 0xe0;
1265 pub const IPTOS_PREC_INTERNETCONTROL: u8 = 0xc0;
1266 pub const IPTOS_PREC_CRITIC_ECP: u8 = 0xa0;
1267 pub const IPTOS_PREC_FLASHOVERRIDE: u8 = 0x80;
1268 pub const IPTOS_PREC_FLASH: u8 = 0x60;
1269 pub const IPTOS_PREC_IMMEDIATE: u8 = 0x40;
1270 pub const IPTOS_PREC_PRIORITY: u8 = 0x20;
1271 pub const IPTOS_PREC_ROUTINE: u8 = 0x00;
1272
1273 pub const IPTOS_ECN_MASK: u8 = 0x03;
1274 pub const IPTOS_ECN_ECT1: u8 = 0x01;
1275 pub const IPTOS_ECN_ECT0: u8 = 0x02;
1276 pub const IPTOS_ECN_CE: u8 = 0x03;
1277
1278 pub const IPOPT_COPY: u8 = 0x80;
1279 pub const IPOPT_CLASS_MASK: u8 = 0x60;
1280 pub const IPOPT_NUMBER_MASK: u8 = 0x1f;
1281
1282 pub const IPOPT_CONTROL: u8 = 0x00;
1283 pub const IPOPT_RESERVED1: u8 = 0x20;
1284 pub const IPOPT_MEASUREMENT: u8 = 0x40;
1285 pub const IPOPT_RESERVED2: u8 = 0x60;
1286 pub const IPOPT_END: u8 = 0 | IPOPT_CONTROL;
1287 pub const IPOPT_NOOP: u8 = 1 | IPOPT_CONTROL;
1288 pub const IPOPT_SEC: u8 = 2 | IPOPT_CONTROL | IPOPT_COPY;
1289 pub const IPOPT_LSRR: u8 = 3 | IPOPT_CONTROL | IPOPT_COPY;
1290 pub const IPOPT_TIMESTAMP: u8 = 4 | IPOPT_MEASUREMENT;
1291 pub const IPOPT_RR: u8 = 7 | IPOPT_CONTROL;
1292 pub const IPOPT_SID: u8 = 8 | IPOPT_CONTROL | IPOPT_COPY;
1293 pub const IPOPT_SSRR: u8 = 9 | IPOPT_CONTROL | IPOPT_COPY;
1294 pub const IPOPT_RA: u8 = 20 | IPOPT_CONTROL | IPOPT_COPY;
1295 pub const IPVERSION: u8 = 4;
1296 pub const MAXTTL: u8 = 255;
1297 pub const IPDEFTTL: u8 = 64;
1298 pub const IPOPT_OPTVAL: u8 = 0;
1299 pub const IPOPT_OLEN: u8 = 1;
1300 pub const IPOPT_OFFSET: u8 = 2;
1301 pub const IPOPT_MINOFF: u8 = 4;
1302 pub const MAX_IPOPTLEN: u8 = 40;
1303 pub const IPOPT_NOP: u8 = IPOPT_NOOP;
1304 pub const IPOPT_EOL: u8 = IPOPT_END;
1305 pub const IPOPT_TS: u8 = IPOPT_TIMESTAMP;
1306 pub const IPOPT_TS_TSONLY: u8 = 0;
1307 pub const IPOPT_TS_TSANDADDR: u8 = 1;
1308 pub const IPOPT_TS_PRESPEC: u8 = 3;
1309
1310 pub const ARPOP_RREQUEST: u16 = 3;
1311 pub const ARPOP_RREPLY: u16 = 4;
1312 pub const ARPOP_InREQUEST: u16 = 8;
1313 pub const ARPOP_InREPLY: u16 = 9;
1314 pub const ARPOP_NAK: u16 = 10;
1315
1316 pub const ATF_NETMASK: ::c_int = 0x20;
1317 pub const ATF_DONTPUB: ::c_int = 0x40;
1318
1319 pub const ARPHRD_NETROM: u16 = 0;
1320 pub const ARPHRD_ETHER: u16 = 1;
1321 pub const ARPHRD_EETHER: u16 = 2;
1322 pub const ARPHRD_AX25: u16 = 3;
1323 pub const ARPHRD_PRONET: u16 = 4;
1324 pub const ARPHRD_CHAOS: u16 = 5;
1325 pub const ARPHRD_IEEE802: u16 = 6;
1326 pub const ARPHRD_ARCNET: u16 = 7;
1327 pub const ARPHRD_APPLETLK: u16 = 8;
1328 pub const ARPHRD_DLCI: u16 = 15;
1329 pub const ARPHRD_ATM: u16 = 19;
1330 pub const ARPHRD_METRICOM: u16 = 23;
1331 pub const ARPHRD_IEEE1394: u16 = 24;
1332 pub const ARPHRD_EUI64: u16 = 27;
1333 pub const ARPHRD_INFINIBAND: u16 = 32;
1334
1335 pub const ARPHRD_SLIP: u16 = 256;
1336 pub const ARPHRD_CSLIP: u16 = 257;
1337 pub const ARPHRD_SLIP6: u16 = 258;
1338 pub const ARPHRD_CSLIP6: u16 = 259;
1339 pub const ARPHRD_RSRVD: u16 = 260;
1340 pub const ARPHRD_ADAPT: u16 = 264;
1341 pub const ARPHRD_ROSE: u16 = 270;
1342 pub const ARPHRD_X25: u16 = 271;
1343 pub const ARPHRD_HWX25: u16 = 272;
1344 pub const ARPHRD_CAN: u16 = 280;
1345 pub const ARPHRD_PPP: u16 = 512;
1346 pub const ARPHRD_CISCO: u16 = 513;
1347 pub const ARPHRD_HDLC: u16 = ARPHRD_CISCO;
1348 pub const ARPHRD_LAPB: u16 = 516;
1349 pub const ARPHRD_DDCMP: u16 = 517;
1350 pub const ARPHRD_RAWHDLC: u16 = 518;
1351
1352 pub const ARPHRD_TUNNEL: u16 = 768;
1353 pub const ARPHRD_TUNNEL6: u16 = 769;
1354 pub const ARPHRD_FRAD: u16 = 770;
1355 pub const ARPHRD_SKIP: u16 = 771;
1356 pub const ARPHRD_LOOPBACK: u16 = 772;
1357 pub const ARPHRD_LOCALTLK: u16 = 773;
1358 pub const ARPHRD_FDDI: u16 = 774;
1359 pub const ARPHRD_BIF: u16 = 775;
1360 pub const ARPHRD_SIT: u16 = 776;
1361 pub const ARPHRD_IPDDP: u16 = 777;
1362 pub const ARPHRD_IPGRE: u16 = 778;
1363 pub const ARPHRD_PIMREG: u16 = 779;
1364 pub const ARPHRD_HIPPI: u16 = 780;
1365 pub const ARPHRD_ASH: u16 = 781;
1366 pub const ARPHRD_ECONET: u16 = 782;
1367 pub const ARPHRD_IRDA: u16 = 783;
1368 pub const ARPHRD_FCPP: u16 = 784;
1369 pub const ARPHRD_FCAL: u16 = 785;
1370 pub const ARPHRD_FCPL: u16 = 786;
1371 pub const ARPHRD_FCFABRIC: u16 = 787;
1372 pub const ARPHRD_IEEE802_TR: u16 = 800;
1373 pub const ARPHRD_IEEE80211: u16 = 801;
1374 pub const ARPHRD_IEEE80211_PRISM: u16 = 802;
1375 pub const ARPHRD_IEEE80211_RADIOTAP: u16 = 803;
1376 pub const ARPHRD_IEEE802154: u16 = 804;
1377
1378 pub const ARPHRD_VOID: u16 = 0xFFFF;
1379 pub const ARPHRD_NONE: u16 = 0xFFFE;
1380
1381 cfg_if! {
1382     if #[cfg(target_os = "emscripten")] {
1383         // Emscripten does not define any `*_SUPER_MAGIC` constants.
1384     } else if #[cfg(not(target_arch = "s390x"))] {
1385         pub const ADFS_SUPER_MAGIC: ::c_long = 0x0000adf5;
1386         pub const AFFS_SUPER_MAGIC: ::c_long = 0x0000adff;
1387         pub const AFS_SUPER_MAGIC: ::c_long = 0x5346414f;
1388         pub const AUTOFS_SUPER_MAGIC: ::c_long = 0x0187;
1389         pub const BPF_FS_MAGIC: ::c_long = 0xcafe4a11;
1390         pub const BTRFS_SUPER_MAGIC: ::c_long = 0x9123683e;
1391         pub const CGROUP2_SUPER_MAGIC: ::c_long = 0x63677270;
1392         pub const CGROUP_SUPER_MAGIC: ::c_long = 0x27e0eb;
1393         pub const CODA_SUPER_MAGIC: ::c_long = 0x73757245;
1394         pub const CRAMFS_MAGIC: ::c_long = 0x28cd3d45;
1395         pub const DEBUGFS_MAGIC: ::c_long = 0x64626720;
1396         pub const DEVPTS_SUPER_MAGIC: ::c_long = 0x1cd1;
1397         pub const ECRYPTFS_SUPER_MAGIC: ::c_long = 0xf15f;
1398         pub const EFS_SUPER_MAGIC: ::c_long = 0x00414a53;
1399         pub const EXT2_SUPER_MAGIC: ::c_long = 0x0000ef53;
1400         pub const EXT3_SUPER_MAGIC: ::c_long = 0x0000ef53;
1401         pub const EXT4_SUPER_MAGIC: ::c_long = 0x0000ef53;
1402         pub const F2FS_SUPER_MAGIC: ::c_long = 0xf2f52010;
1403         pub const FUSE_SUPER_MAGIC: ::c_long = 0x65735546;
1404         pub const FUTEXFS_SUPER_MAGIC: ::c_long = 0xbad1dea;
1405         pub const HOSTFS_SUPER_MAGIC: ::c_long = 0x00c0ffee;
1406         pub const HPFS_SUPER_MAGIC: ::c_long = 0xf995e849;
1407         pub const HUGETLBFS_MAGIC: ::c_long = 0x958458f6;
1408         pub const ISOFS_SUPER_MAGIC: ::c_long = 0x00009660;
1409         pub const JFFS2_SUPER_MAGIC: ::c_long = 0x000072b6;
1410         pub const MINIX2_SUPER_MAGIC2: ::c_long = 0x00002478;
1411         pub const MINIX2_SUPER_MAGIC: ::c_long = 0x00002468;
1412         pub const MINIX3_SUPER_MAGIC: ::c_long = 0x4d5a;
1413         pub const MINIX_SUPER_MAGIC2: ::c_long = 0x0000138f;
1414         pub const MINIX_SUPER_MAGIC: ::c_long = 0x0000137f;
1415         pub const MSDOS_SUPER_MAGIC: ::c_long = 0x00004d44;
1416         pub const NCP_SUPER_MAGIC: ::c_long = 0x0000564c;
1417         pub const NFS_SUPER_MAGIC: ::c_long = 0x00006969;
1418         pub const NILFS_SUPER_MAGIC: ::c_long = 0x3434;
1419         pub const OCFS2_SUPER_MAGIC: ::c_long = 0x7461636f;
1420         pub const OPENPROM_SUPER_MAGIC: ::c_long = 0x00009fa1;
1421         pub const OVERLAYFS_SUPER_MAGIC: ::c_long = 0x794c7630;
1422         pub const PROC_SUPER_MAGIC: ::c_long = 0x00009fa0;
1423         pub const QNX4_SUPER_MAGIC: ::c_long = 0x0000002f;
1424         pub const QNX6_SUPER_MAGIC: ::c_long = 0x68191122;
1425         pub const RDTGROUP_SUPER_MAGIC: ::c_long = 0x7655821;
1426         pub const REISERFS_SUPER_MAGIC: ::c_long = 0x52654973;
1427         pub const SECURITYFS_MAGIC: ::c_long = 0x73636673;
1428         pub const SELINUX_MAGIC: ::c_long = 0xf97cff8c;
1429         pub const SMACK_MAGIC: ::c_long = 0x43415d53;
1430         pub const SMB_SUPER_MAGIC: ::c_long = 0x0000517b;
1431         pub const SYSFS_MAGIC: ::c_long = 0x62656572;
1432         pub const TMPFS_MAGIC: ::c_long = 0x01021994;
1433         pub const TRACEFS_MAGIC: ::c_long = 0x74726163;
1434         pub const UDF_SUPER_MAGIC: ::c_long = 0x15013346;
1435         pub const USBDEVICE_SUPER_MAGIC: ::c_long = 0x00009fa2;
1436         pub const XENFS_SUPER_MAGIC: ::c_long = 0xabba1974;
1437     } else if #[cfg(target_arch = "s390x")] {
1438         pub const ADFS_SUPER_MAGIC: ::c_uint = 0x0000adf5;
1439         pub const AFFS_SUPER_MAGIC: ::c_uint = 0x0000adff;
1440         pub const AFS_SUPER_MAGIC: ::c_uint = 0x5346414f;
1441         pub const AUTOFS_SUPER_MAGIC: ::c_uint = 0x0187;
1442         pub const BPF_FS_MAGIC: ::c_uint = 0xcafe4a11;
1443         pub const BTRFS_SUPER_MAGIC: ::c_uint = 0x9123683e;
1444         pub const CGROUP2_SUPER_MAGIC: ::c_uint = 0x63677270;
1445         pub const CGROUP_SUPER_MAGIC: ::c_uint = 0x27e0eb;
1446         pub const CODA_SUPER_MAGIC: ::c_uint = 0x73757245;
1447         pub const CRAMFS_MAGIC: ::c_uint = 0x28cd3d45;
1448         pub const DEBUGFS_MAGIC: ::c_uint = 0x64626720;
1449         pub const DEVPTS_SUPER_MAGIC: ::c_uint = 0x1cd1;
1450         pub const ECRYPTFS_SUPER_MAGIC: ::c_uint = 0xf15f;
1451         pub const EFS_SUPER_MAGIC: ::c_uint = 0x00414a53;
1452         pub const EXT2_SUPER_MAGIC: ::c_uint = 0x0000ef53;
1453         pub const EXT3_SUPER_MAGIC: ::c_uint = 0x0000ef53;
1454         pub const EXT4_SUPER_MAGIC: ::c_uint = 0x0000ef53;
1455         pub const F2FS_SUPER_MAGIC: ::c_uint = 0xf2f52010;
1456         pub const FUSE_SUPER_MAGIC: ::c_uint = 0x65735546;
1457         pub const FUTEXFS_SUPER_MAGIC: ::c_uint = 0xbad1dea;
1458         pub const HOSTFS_SUPER_MAGIC: ::c_uint = 0x00c0ffee;
1459         pub const HPFS_SUPER_MAGIC: ::c_uint = 0xf995e849;
1460         pub const HUGETLBFS_MAGIC: ::c_uint = 0x958458f6;
1461         pub const ISOFS_SUPER_MAGIC: ::c_uint = 0x00009660;
1462         pub const JFFS2_SUPER_MAGIC: ::c_uint = 0x000072b6;
1463         pub const MINIX2_SUPER_MAGIC2: ::c_uint = 0x00002478;
1464         pub const MINIX2_SUPER_MAGIC: ::c_uint = 0x00002468;
1465         pub const MINIX3_SUPER_MAGIC: ::c_uint = 0x4d5a;
1466         pub const MINIX_SUPER_MAGIC2: ::c_uint = 0x0000138f;
1467         pub const MINIX_SUPER_MAGIC: ::c_uint = 0x0000137f;
1468         pub const MSDOS_SUPER_MAGIC: ::c_uint = 0x00004d44;
1469         pub const NCP_SUPER_MAGIC: ::c_uint = 0x0000564c;
1470         pub const NFS_SUPER_MAGIC: ::c_uint = 0x00006969;
1471         pub const NILFS_SUPER_MAGIC: ::c_uint = 0x3434;
1472         pub const OCFS2_SUPER_MAGIC: ::c_uint = 0x7461636f;
1473         pub const OPENPROM_SUPER_MAGIC: ::c_uint = 0x00009fa1;
1474         pub const OVERLAYFS_SUPER_MAGIC: ::c_uint = 0x794c7630;
1475         pub const PROC_SUPER_MAGIC: ::c_uint = 0x00009fa0;
1476         pub const QNX4_SUPER_MAGIC: ::c_uint = 0x0000002f;
1477         pub const QNX6_SUPER_MAGIC: ::c_uint = 0x68191122;
1478         pub const RDTGROUP_SUPER_MAGIC: ::c_uint = 0x7655821;
1479         pub const REISERFS_SUPER_MAGIC: ::c_uint = 0x52654973;
1480         pub const SECURITYFS_MAGIC: ::c_uint = 0x73636673;
1481         pub const SELINUX_MAGIC: ::c_uint = 0xf97cff8c;
1482         pub const SMACK_MAGIC: ::c_uint = 0x43415d53;
1483         pub const SMB_SUPER_MAGIC: ::c_uint = 0x0000517b;
1484         pub const SYSFS_MAGIC: ::c_uint = 0x62656572;
1485         pub const TMPFS_MAGIC: ::c_uint = 0x01021994;
1486         pub const TRACEFS_MAGIC: ::c_uint = 0x74726163;
1487         pub const UDF_SUPER_MAGIC: ::c_uint = 0x15013346;
1488         pub const USBDEVICE_SUPER_MAGIC: ::c_uint = 0x00009fa2;
1489         pub const XENFS_SUPER_MAGIC: ::c_uint = 0xabba1974;
1490     }
1491 }
1492
1493 const_fn! {
1494     {const} fn CMSG_ALIGN(len: usize) -> usize {
1495         len + ::mem::size_of::<usize>() - 1 & !(::mem::size_of::<usize>() - 1)
1496     }
1497 }
1498
1499 f! {
1500     pub fn CMSG_FIRSTHDR(mhdr: *const msghdr) -> *mut cmsghdr {
1501         if (*mhdr).msg_controllen as usize >= ::mem::size_of::<cmsghdr>() {
1502             (*mhdr).msg_control as *mut cmsghdr
1503         } else {
1504             0 as *mut cmsghdr
1505         }
1506     }
1507
1508     pub fn CMSG_DATA(cmsg: *const cmsghdr) -> *mut ::c_uchar {
1509         cmsg.offset(1) as *mut ::c_uchar
1510     }
1511
1512     pub {const} fn CMSG_SPACE(length: ::c_uint) -> ::c_uint {
1513         (CMSG_ALIGN(length as usize) + CMSG_ALIGN(::mem::size_of::<cmsghdr>()))
1514             as ::c_uint
1515     }
1516
1517     pub fn CMSG_LEN(length: ::c_uint) -> ::c_uint {
1518         CMSG_ALIGN(::mem::size_of::<cmsghdr>()) as ::c_uint + length
1519     }
1520
1521     pub fn FD_CLR(fd: ::c_int, set: *mut fd_set) -> () {
1522         let fd = fd as usize;
1523         let size = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
1524         (*set).fds_bits[fd / size] &= !(1 << (fd % size));
1525         return
1526     }
1527
1528     pub fn FD_ISSET(fd: ::c_int, set: *const fd_set) -> bool {
1529         let fd = fd as usize;
1530         let size = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
1531         return ((*set).fds_bits[fd / size] & (1 << (fd % size))) != 0
1532     }
1533
1534     pub fn FD_SET(fd: ::c_int, set: *mut fd_set) -> () {
1535         let fd = fd as usize;
1536         let size = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
1537         (*set).fds_bits[fd / size] |= 1 << (fd % size);
1538         return
1539     }
1540
1541     pub fn FD_ZERO(set: *mut fd_set) -> () {
1542         for slot in (*set).fds_bits.iter_mut() {
1543             *slot = 0;
1544         }
1545     }
1546 }
1547
1548 safe_f! {
1549     pub fn SIGRTMAX() -> ::c_int {
1550         unsafe { __libc_current_sigrtmax() }
1551     }
1552
1553     pub fn SIGRTMIN() -> ::c_int {
1554         unsafe { __libc_current_sigrtmin() }
1555     }
1556
1557     pub {const} fn WIFSTOPPED(status: ::c_int) -> bool {
1558         (status & 0xff) == 0x7f
1559     }
1560
1561     pub {const} fn WSTOPSIG(status: ::c_int) -> ::c_int {
1562         (status >> 8) & 0xff
1563     }
1564
1565     pub {const} fn WIFCONTINUED(status: ::c_int) -> bool {
1566         status == 0xffff
1567     }
1568
1569     pub {const} fn WIFSIGNALED(status: ::c_int) -> bool {
1570         ((status & 0x7f) + 1) as i8 >= 2
1571     }
1572
1573     pub {const} fn WTERMSIG(status: ::c_int) -> ::c_int {
1574         status & 0x7f
1575     }
1576
1577     pub {const} fn WIFEXITED(status: ::c_int) -> bool {
1578         (status & 0x7f) == 0
1579     }
1580
1581     pub {const} fn WEXITSTATUS(status: ::c_int) -> ::c_int {
1582         (status >> 8) & 0xff
1583     }
1584
1585     pub {const} fn WCOREDUMP(status: ::c_int) -> bool {
1586         (status & 0x80) != 0
1587     }
1588
1589     pub {const} fn W_EXITCODE(ret: ::c_int, sig: ::c_int) -> ::c_int {
1590         (ret << 8) | sig
1591     }
1592
1593     pub {const} fn W_STOPCODE(sig: ::c_int) -> ::c_int {
1594         (sig << 8) | 0x7f
1595     }
1596
1597     pub {const} fn QCMD(cmd: ::c_int, type_: ::c_int) -> ::c_int {
1598         (cmd << 8) | (type_ & 0x00ff)
1599     }
1600
1601     pub {const} fn IPOPT_COPIED(o: u8) -> u8 {
1602         o & IPOPT_COPY
1603     }
1604
1605     pub {const} fn IPOPT_CLASS(o: u8) -> u8 {
1606         o & IPOPT_CLASS_MASK
1607     }
1608
1609     pub {const} fn IPOPT_NUMBER(o: u8) -> u8 {
1610         o & IPOPT_NUMBER_MASK
1611     }
1612
1613     pub {const} fn IPTOS_ECN(x: u8) -> u8 {
1614         x & ::IPTOS_ECN_MASK
1615     }
1616 }
1617
1618 extern "C" {
1619     #[doc(hidden)]
1620     pub fn __libc_current_sigrtmax() -> ::c_int;
1621     #[doc(hidden)]
1622     pub fn __libc_current_sigrtmin() -> ::c_int;
1623
1624     pub fn sem_destroy(sem: *mut sem_t) -> ::c_int;
1625     pub fn sem_init(sem: *mut sem_t, pshared: ::c_int, value: ::c_uint) -> ::c_int;
1626     pub fn fdatasync(fd: ::c_int) -> ::c_int;
1627     pub fn mincore(addr: *mut ::c_void, len: ::size_t, vec: *mut ::c_uchar) -> ::c_int;
1628
1629     pub fn clock_getres(clk_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int;
1630     pub fn clock_gettime(clk_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int;
1631     pub fn clock_settime(clk_id: ::clockid_t, tp: *const ::timespec) -> ::c_int;
1632     pub fn clock_getcpuclockid(pid: ::pid_t, clk_id: *mut ::clockid_t) -> ::c_int;
1633
1634     pub fn dirfd(dirp: *mut ::DIR) -> ::c_int;
1635
1636     pub fn pthread_getattr_np(native: ::pthread_t, attr: *mut ::pthread_attr_t) -> ::c_int;
1637     pub fn pthread_attr_getstack(
1638         attr: *const ::pthread_attr_t,
1639         stackaddr: *mut *mut ::c_void,
1640         stacksize: *mut ::size_t,
1641     ) -> ::c_int;
1642     pub fn memalign(align: ::size_t, size: ::size_t) -> *mut ::c_void;
1643     pub fn setgroups(ngroups: ::size_t, ptr: *const ::gid_t) -> ::c_int;
1644     pub fn pipe2(fds: *mut ::c_int, flags: ::c_int) -> ::c_int;
1645     pub fn statfs(path: *const ::c_char, buf: *mut statfs) -> ::c_int;
1646     pub fn statfs64(path: *const ::c_char, buf: *mut statfs64) -> ::c_int;
1647     pub fn fstatfs(fd: ::c_int, buf: *mut statfs) -> ::c_int;
1648     pub fn fstatfs64(fd: ::c_int, buf: *mut statfs64) -> ::c_int;
1649     pub fn statvfs64(path: *const ::c_char, buf: *mut statvfs64) -> ::c_int;
1650     pub fn fstatvfs64(fd: ::c_int, buf: *mut statvfs64) -> ::c_int;
1651     pub fn memrchr(cx: *const ::c_void, c: ::c_int, n: ::size_t) -> *mut ::c_void;
1652
1653     pub fn posix_fadvise(fd: ::c_int, offset: ::off_t, len: ::off_t, advise: ::c_int) -> ::c_int;
1654     pub fn posix_fadvise64(
1655         fd: ::c_int,
1656         offset: ::off64_t,
1657         len: ::off64_t,
1658         advise: ::c_int,
1659     ) -> ::c_int;
1660     pub fn futimens(fd: ::c_int, times: *const ::timespec) -> ::c_int;
1661     pub fn utimensat(
1662         dirfd: ::c_int,
1663         path: *const ::c_char,
1664         times: *const ::timespec,
1665         flag: ::c_int,
1666     ) -> ::c_int;
1667     pub fn duplocale(base: ::locale_t) -> ::locale_t;
1668     pub fn freelocale(loc: ::locale_t);
1669     pub fn newlocale(mask: ::c_int, locale: *const ::c_char, base: ::locale_t) -> ::locale_t;
1670     pub fn uselocale(loc: ::locale_t) -> ::locale_t;
1671     pub fn creat64(path: *const c_char, mode: mode_t) -> ::c_int;
1672     pub fn fstat64(fildes: ::c_int, buf: *mut stat64) -> ::c_int;
1673     pub fn fstatat64(
1674         dirfd: ::c_int,
1675         pathname: *const c_char,
1676         buf: *mut stat64,
1677         flags: ::c_int,
1678     ) -> ::c_int;
1679     pub fn ftruncate64(fd: ::c_int, length: off64_t) -> ::c_int;
1680     pub fn lseek64(fd: ::c_int, offset: off64_t, whence: ::c_int) -> off64_t;
1681     pub fn lstat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
1682     pub fn mmap64(
1683         addr: *mut ::c_void,
1684         len: ::size_t,
1685         prot: ::c_int,
1686         flags: ::c_int,
1687         fd: ::c_int,
1688         offset: off64_t,
1689     ) -> *mut ::c_void;
1690     pub fn open64(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
1691     pub fn openat64(fd: ::c_int, path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
1692     pub fn pread64(fd: ::c_int, buf: *mut ::c_void, count: ::size_t, offset: off64_t) -> ::ssize_t;
1693     pub fn pwrite64(
1694         fd: ::c_int,
1695         buf: *const ::c_void,
1696         count: ::size_t,
1697         offset: off64_t,
1698     ) -> ::ssize_t;
1699     pub fn readdir64(dirp: *mut ::DIR) -> *mut ::dirent64;
1700     pub fn readdir64_r(
1701         dirp: *mut ::DIR,
1702         entry: *mut ::dirent64,
1703         result: *mut *mut ::dirent64,
1704     ) -> ::c_int;
1705     pub fn stat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
1706     pub fn truncate64(path: *const c_char, length: off64_t) -> ::c_int;
1707
1708     pub fn mknodat(
1709         dirfd: ::c_int,
1710         pathname: *const ::c_char,
1711         mode: ::mode_t,
1712         dev: dev_t,
1713     ) -> ::c_int;
1714     pub fn pthread_condattr_getclock(
1715         attr: *const pthread_condattr_t,
1716         clock_id: *mut clockid_t,
1717     ) -> ::c_int;
1718     pub fn pthread_condattr_setclock(
1719         attr: *mut pthread_condattr_t,
1720         clock_id: ::clockid_t,
1721     ) -> ::c_int;
1722     pub fn pthread_condattr_setpshared(attr: *mut pthread_condattr_t, pshared: ::c_int) -> ::c_int;
1723     pub fn pthread_mutexattr_setpshared(
1724         attr: *mut pthread_mutexattr_t,
1725         pshared: ::c_int,
1726     ) -> ::c_int;
1727     pub fn pthread_rwlockattr_getpshared(
1728         attr: *const pthread_rwlockattr_t,
1729         val: *mut ::c_int,
1730     ) -> ::c_int;
1731     pub fn pthread_rwlockattr_setpshared(attr: *mut pthread_rwlockattr_t, val: ::c_int) -> ::c_int;
1732     pub fn ptsname_r(fd: ::c_int, buf: *mut ::c_char, buflen: ::size_t) -> ::c_int;
1733     pub fn clearenv() -> ::c_int;
1734     pub fn waitid(idtype: idtype_t, id: id_t, infop: *mut ::siginfo_t, options: ::c_int)
1735         -> ::c_int;
1736     pub fn getresuid(ruid: *mut ::uid_t, euid: *mut ::uid_t, suid: *mut ::uid_t) -> ::c_int;
1737     pub fn getresgid(rgid: *mut ::gid_t, egid: *mut ::gid_t, sgid: *mut ::gid_t) -> ::c_int;
1738     pub fn acct(filename: *const ::c_char) -> ::c_int;
1739     pub fn brk(addr: *mut ::c_void) -> ::c_int;
1740     pub fn sbrk(increment: ::intptr_t) -> *mut ::c_void;
1741     #[deprecated(
1742         since = "0.2.66",
1743         note = "causes memory corruption, see rust-lang/libc#1596"
1744     )]
1745     pub fn vfork() -> ::pid_t;
1746     pub fn setresgid(rgid: ::gid_t, egid: ::gid_t, sgid: ::gid_t) -> ::c_int;
1747     pub fn setresuid(ruid: ::uid_t, euid: ::uid_t, suid: ::uid_t) -> ::c_int;
1748     pub fn wait4(
1749         pid: ::pid_t,
1750         status: *mut ::c_int,
1751         options: ::c_int,
1752         rusage: *mut ::rusage,
1753     ) -> ::pid_t;
1754     pub fn login_tty(fd: ::c_int) -> ::c_int;
1755     pub fn execvpe(
1756         file: *const ::c_char,
1757         argv: *const *const ::c_char,
1758         envp: *const *const ::c_char,
1759     ) -> ::c_int;
1760     pub fn fexecve(
1761         fd: ::c_int,
1762         argv: *const *const ::c_char,
1763         envp: *const *const ::c_char,
1764     ) -> ::c_int;
1765     pub fn getifaddrs(ifap: *mut *mut ::ifaddrs) -> ::c_int;
1766     pub fn freeifaddrs(ifa: *mut ::ifaddrs);
1767     pub fn bind(socket: ::c_int, address: *const ::sockaddr, address_len: ::socklen_t) -> ::c_int;
1768
1769     pub fn writev(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t;
1770     pub fn readv(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t;
1771
1772     pub fn sendmsg(fd: ::c_int, msg: *const ::msghdr, flags: ::c_int) -> ::ssize_t;
1773     pub fn recvmsg(fd: ::c_int, msg: *mut ::msghdr, flags: ::c_int) -> ::ssize_t;
1774     pub fn uname(buf: *mut ::utsname) -> ::c_int;
1775 }
1776
1777 cfg_if! {
1778     if #[cfg(not(target_env = "uclibc"))] {
1779         extern "C" {
1780             pub fn preadv64(
1781                 fd: ::c_int,
1782                 iov: *const ::iovec,
1783                 iovcnt: ::c_int,
1784                 offset: ::off64_t,
1785             ) -> ::ssize_t;
1786             pub fn pwritev64(
1787                 fd: ::c_int,
1788                 iov: *const ::iovec,
1789                 iovcnt: ::c_int,
1790                 offset: ::off64_t,
1791             ) -> ::ssize_t;
1792             // uclibc has separate non-const version of this function
1793             pub fn forkpty(
1794                 amaster: *mut ::c_int,
1795                 name: *mut ::c_char,
1796                 termp: *const termios,
1797                 winp: *const ::winsize,
1798             ) -> ::pid_t;
1799             // uclibc has separate non-const version of this function
1800             pub fn openpty(
1801                 amaster: *mut ::c_int,
1802                 aslave: *mut ::c_int,
1803                 name: *mut ::c_char,
1804                 termp: *const termios,
1805                 winp: *const ::winsize,
1806             ) -> ::c_int;
1807         }
1808     }
1809 }
1810
1811 cfg_if! {
1812     if #[cfg(target_os = "emscripten")] {
1813         mod emscripten;
1814         pub use self::emscripten::*;
1815     } else if #[cfg(target_os = "linux")] {
1816         mod linux;
1817         pub use self::linux::*;
1818     } else if #[cfg(target_os = "l4re")] {
1819         mod linux;
1820         pub use self::linux::*;
1821     } else if #[cfg(target_os = "android")] {
1822         mod android;
1823         pub use self::android::*;
1824     } else {
1825         // Unknown target_os
1826     }
1827 }