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1 pub type blkcnt_t = i32;
2 pub type blksize_t = i32;
3 pub type clockid_t = ::c_ulong;
4 
5 cfg_if! {
6     if #[cfg(target_os = "espidf")] {
7         pub type dev_t = ::c_short;
8         pub type ino_t = ::c_ushort;
9         pub type off_t = ::c_long;
10     } else {
11         pub type dev_t = u32;
12         pub type ino_t = u32;
13         pub type off_t = i64;
14     }
15 }
16 
17 pub type fsblkcnt_t = u64;
18 pub type fsfilcnt_t = u32;
19 pub type id_t = u32;
20 pub type key_t = ::c_int;
21 pub type loff_t = ::c_longlong;
22 pub type mode_t = ::c_uint;
23 pub type nfds_t = u32;
24 pub type nlink_t = ::c_ushort;
25 pub type pthread_t = ::c_ulong;
26 pub type pthread_key_t = ::c_uint;
27 pub type rlim_t = u32;
28 
29 cfg_if! {
30     if #[cfg(target_os = "horizon")] {
31         pub type sa_family_t = u16;
32     } else {
33         pub type sa_family_t = u8;
34     }
35 }
36 
37 pub type socklen_t = u32;
38 pub type speed_t = u32;
39 pub type suseconds_t = i32;
40 pub type tcflag_t = ::c_uint;
41 pub type useconds_t = u32;
42 
43 cfg_if! {
44     if #[cfg(any(target_os = "horizon", all(target_os = "espidf", espidf_time64)))] {
45         pub type time_t = ::c_longlong;
46     } else {
47         pub type time_t = i32;
48     }
49 }
50 
51 s! {
52     // The order of the `ai_addr` field in this struct is crucial
53     // for converting between the Rust and C types.
54     pub struct addrinfo {
55         pub ai_flags: ::c_int,
56         pub ai_family: ::c_int,
57         pub ai_socktype: ::c_int,
58         pub ai_protocol: ::c_int,
59         pub ai_addrlen: socklen_t,
60 
61         #[cfg(target_os = "espidf")]
62         pub ai_addr: *mut sockaddr,
63 
64         pub ai_canonname: *mut ::c_char,
65 
66         #[cfg(not(any(
67             target_os = "espidf",
68             all(libc_cfg_target_vendor, target_arch = "powerpc", target_vendor = "nintendo"))))]
69         pub ai_addr: *mut sockaddr,
70 
71         pub ai_next: *mut addrinfo,
72     }
73 
74     pub struct ip_mreq {
75         pub imr_multiaddr: in_addr,
76         pub imr_interface: in_addr,
77     }
78 
79     pub struct linger {
80         pub l_onoff: ::c_int,
81         pub l_linger: ::c_int,
82     }
83 
84     pub struct in_addr {
85             pub s_addr: ::in_addr_t,
86     }
87 
88     pub struct hostent {
89             pub h_name: *mut ::c_char,
90             pub h_aliases: *mut *mut ::c_char,
91             pub h_addrtype: ::c_int,
92             pub h_length: ::c_int,
93             pub h_addr_list: *mut *mut ::c_char,
94             pub h_addr: *mut ::c_char,
95     }
96 
97     pub struct pollfd {
98         pub fd: ::c_int,
99         pub events: ::c_int,
100         pub revents: ::c_int,
101     }
102 
103     pub struct lconv {
104         pub decimal_point: *mut ::c_char,
105         pub thousands_sep: *mut ::c_char,
106         pub grouping: *mut ::c_char,
107         pub int_curr_symbol: *mut ::c_char,
108         pub currency_symbol: *mut ::c_char,
109         pub mon_decimal_point: *mut ::c_char,
110         pub mon_thousands_sep: *mut ::c_char,
111         pub mon_grouping: *mut ::c_char,
112         pub positive_sign: *mut ::c_char,
113         pub negative_sign: *mut ::c_char,
114         pub int_frac_digits: ::c_char,
115         pub frac_digits: ::c_char,
116         pub p_cs_precedes: ::c_char,
117         pub p_sep_by_space: ::c_char,
118         pub n_cs_precedes: ::c_char,
119         pub n_sep_by_space: ::c_char,
120         pub p_sign_posn: ::c_char,
121         pub n_sign_posn: ::c_char,
122         pub int_n_cs_precedes: ::c_char,
123         pub int_n_sep_by_space: ::c_char,
124         pub int_n_sign_posn: ::c_char,
125         pub int_p_cs_precedes: ::c_char,
126         pub int_p_sep_by_space: ::c_char,
127         pub int_p_sign_posn: ::c_char,
128     }
129 
130     pub struct tm {
131         pub tm_sec: ::c_int,
132         pub tm_min: ::c_int,
133         pub tm_hour: ::c_int,
134         pub tm_mday: ::c_int,
135         pub tm_mon: ::c_int,
136         pub tm_year: ::c_int,
137         pub tm_wday: ::c_int,
138         pub tm_yday: ::c_int,
139         pub tm_isdst: ::c_int,
140     }
141 
142     pub struct statvfs {
143         pub f_bsize: ::c_ulong,
144         pub f_frsize: ::c_ulong,
145         pub f_blocks: fsblkcnt_t,
146         pub f_bfree: fsblkcnt_t,
147         pub f_bavail: fsblkcnt_t,
148         pub f_files: fsfilcnt_t,
149         pub f_ffree: fsfilcnt_t,
150         pub f_favail: fsfilcnt_t,
151         pub f_fsid: ::c_ulong,
152         pub f_flag: ::c_ulong,
153         pub f_namemax: ::c_ulong,
154     }
155 
156     pub struct sigaction {
157         pub sa_handler: extern fn(arg1: ::c_int),
158         pub sa_mask: sigset_t,
159         pub sa_flags: ::c_int,
160     }
161 
162     pub struct dirent {
163         pub d_ino: ino_t,
164         pub d_type: ::c_uchar,
165         pub d_name: [::c_char; 256usize],
166     }
167 
168     pub struct stack_t {
169         pub ss_sp: *mut ::c_void,
170         pub ss_flags: ::c_int,
171         pub ss_size: usize,
172     }
173 
174     pub struct fd_set { // Unverified
175         fds_bits: [::c_ulong; FD_SETSIZE / ULONG_SIZE],
176     }
177 
178     pub struct passwd { // Unverified
179         pub pw_name: *mut ::c_char,
180         pub pw_passwd: *mut ::c_char,
181         pub pw_uid: ::uid_t,
182         pub pw_gid: ::gid_t,
183         pub pw_gecos: *mut ::c_char,
184         pub pw_dir: *mut ::c_char,
185         pub pw_shell: *mut ::c_char,
186     }
187 
188     pub struct termios { // Unverified
189         pub c_iflag: ::tcflag_t,
190         pub c_oflag: ::tcflag_t,
191         pub c_cflag: ::tcflag_t,
192         pub c_lflag: ::tcflag_t,
193         pub c_line: ::cc_t,
194         pub c_cc: [::cc_t; ::NCCS],
195     }
196 
197     pub struct sem_t { // Unverified
198         __size: [::c_char; 16],
199     }
200 
201     pub struct Dl_info { // Unverified
202         pub dli_fname: *const ::c_char,
203         pub dli_fbase: *mut ::c_void,
204         pub dli_sname: *const ::c_char,
205         pub dli_saddr: *mut ::c_void,
206     }
207 
208     pub struct utsname { // Unverified
209         pub sysname: [::c_char; 65],
210         pub nodename: [::c_char; 65],
211         pub release: [::c_char; 65],
212         pub version: [::c_char; 65],
213         pub machine: [::c_char; 65],
214         pub domainname: [::c_char; 65]
215     }
216 
217     pub struct cpu_set_t { // Unverified
218         bits: [u32; 32],
219     }
220 
221     pub struct pthread_attr_t { // Unverified
222         __size: [u64; 7]
223     }
224 
225     pub struct pthread_rwlockattr_t { // Unverified
226         __lockkind: ::c_int,
227         __pshared: ::c_int,
228     }
229 }
230 
231 // unverified constants
232 align_const! {
233     pub const PTHREAD_MUTEX_INITIALIZER: pthread_mutex_t = pthread_mutex_t {
234         size: [__PTHREAD_INITIALIZER_BYTE; __SIZEOF_PTHREAD_MUTEX_T],
235     };
236     pub const PTHREAD_COND_INITIALIZER: pthread_cond_t = pthread_cond_t {
237         size: [__PTHREAD_INITIALIZER_BYTE; __SIZEOF_PTHREAD_COND_T],
238     };
239     pub const PTHREAD_RWLOCK_INITIALIZER: pthread_rwlock_t = pthread_rwlock_t {
240         size: [__PTHREAD_INITIALIZER_BYTE; __SIZEOF_PTHREAD_RWLOCK_T],
241     };
242 }
243 pub const NCCS: usize = 32;
244 cfg_if! {
245     if #[cfg(target_os = "espidf")] {
246         const __PTHREAD_INITIALIZER_BYTE: u8 = 0xff;
247         pub const __SIZEOF_PTHREAD_ATTR_T: usize = 32;
248         pub const __SIZEOF_PTHREAD_MUTEX_T: usize = 4;
249         pub const __SIZEOF_PTHREAD_MUTEXATTR_T: usize = 12;
250         pub const __SIZEOF_PTHREAD_COND_T: usize = 4;
251         pub const __SIZEOF_PTHREAD_CONDATTR_T: usize = 8;
252         pub const __SIZEOF_PTHREAD_RWLOCK_T: usize = 4;
253         pub const __SIZEOF_PTHREAD_RWLOCKATTR_T: usize = 12;
254     } else {
255         const __PTHREAD_INITIALIZER_BYTE: u8 = 0;
256         pub const __SIZEOF_PTHREAD_ATTR_T: usize = 56;
257         pub const __SIZEOF_PTHREAD_MUTEX_T: usize = 40;
258         pub const __SIZEOF_PTHREAD_MUTEXATTR_T: usize = 4;
259         pub const __SIZEOF_PTHREAD_COND_T: usize = 48;
260         pub const __SIZEOF_PTHREAD_CONDATTR_T: usize = 4;
261         pub const __SIZEOF_PTHREAD_RWLOCK_T: usize = 56;
262         pub const __SIZEOF_PTHREAD_RWLOCKATTR_T: usize = 8;
263     }
264 }
265 pub const __SIZEOF_PTHREAD_BARRIER_T: usize = 32;
266 pub const __SIZEOF_PTHREAD_BARRIERATTR_T: usize = 4;
267 pub const __PTHREAD_MUTEX_HAVE_PREV: usize = 1;
268 pub const __PTHREAD_RWLOCK_INT_FLAGS_SHARED: usize = 1;
269 pub const PTHREAD_MUTEX_NORMAL: ::c_int = 0;
270 pub const PTHREAD_MUTEX_RECURSIVE: ::c_int = 1;
271 pub const PTHREAD_MUTEX_ERRORCHECK: ::c_int = 2;
272 
273 cfg_if! {
274     if #[cfg(target_os = "horizon")] {
275         pub const FD_SETSIZE: usize = 64;
276     } else {
277         pub const FD_SETSIZE: usize = 1024;
278     }
279 }
280 // intentionally not public, only used for fd_set
281 const ULONG_SIZE: usize = 32;
282 
283 // Other constants
284 pub const EPERM: ::c_int = 1;
285 pub const ENOENT: ::c_int = 2;
286 pub const ESRCH: ::c_int = 3;
287 pub const EINTR: ::c_int = 4;
288 pub const EIO: ::c_int = 5;
289 pub const ENXIO: ::c_int = 6;
290 pub const E2BIG: ::c_int = 7;
291 pub const ENOEXEC: ::c_int = 8;
292 pub const EBADF: ::c_int = 9;
293 pub const ECHILD: ::c_int = 10;
294 pub const EAGAIN: ::c_int = 11;
295 pub const ENOMEM: ::c_int = 12;
296 pub const EACCES: ::c_int = 13;
297 pub const EFAULT: ::c_int = 14;
298 pub const EBUSY: ::c_int = 16;
299 pub const EEXIST: ::c_int = 17;
300 pub const EXDEV: ::c_int = 18;
301 pub const ENODEV: ::c_int = 19;
302 pub const ENOTDIR: ::c_int = 20;
303 pub const EISDIR: ::c_int = 21;
304 pub const EINVAL: ::c_int = 22;
305 pub const ENFILE: ::c_int = 23;
306 pub const EMFILE: ::c_int = 24;
307 pub const ENOTTY: ::c_int = 25;
308 pub const ETXTBSY: ::c_int = 26;
309 pub const EFBIG: ::c_int = 27;
310 pub const ENOSPC: ::c_int = 28;
311 pub const ESPIPE: ::c_int = 29;
312 pub const EROFS: ::c_int = 30;
313 pub const EMLINK: ::c_int = 31;
314 pub const EPIPE: ::c_int = 32;
315 pub const EDOM: ::c_int = 33;
316 pub const ERANGE: ::c_int = 34;
317 pub const ENOMSG: ::c_int = 35;
318 pub const EIDRM: ::c_int = 36;
319 pub const EDEADLK: ::c_int = 45;
320 pub const ENOLCK: ::c_int = 46;
321 pub const ENOSTR: ::c_int = 60;
322 pub const ENODATA: ::c_int = 61;
323 pub const ETIME: ::c_int = 62;
324 pub const ENOSR: ::c_int = 63;
325 pub const ENOLINK: ::c_int = 67;
326 pub const EPROTO: ::c_int = 71;
327 pub const EMULTIHOP: ::c_int = 74;
328 pub const EBADMSG: ::c_int = 77;
329 pub const EFTYPE: ::c_int = 79;
330 pub const ENOSYS: ::c_int = 88;
331 pub const ENOTEMPTY: ::c_int = 90;
332 pub const ENAMETOOLONG: ::c_int = 91;
333 pub const ELOOP: ::c_int = 92;
334 pub const EOPNOTSUPP: ::c_int = 95;
335 pub const EPFNOSUPPORT: ::c_int = 96;
336 pub const ECONNRESET: ::c_int = 104;
337 pub const ENOBUFS: ::c_int = 105;
338 pub const EAFNOSUPPORT: ::c_int = 106;
339 pub const EPROTOTYPE: ::c_int = 107;
340 pub const ENOTSOCK: ::c_int = 108;
341 pub const ENOPROTOOPT: ::c_int = 109;
342 pub const ECONNREFUSED: ::c_int = 111;
343 pub const EADDRINUSE: ::c_int = 112;
344 pub const ECONNABORTED: ::c_int = 113;
345 pub const ENETUNREACH: ::c_int = 114;
346 pub const ENETDOWN: ::c_int = 115;
347 pub const ETIMEDOUT: ::c_int = 116;
348 pub const EHOSTDOWN: ::c_int = 117;
349 pub const EHOSTUNREACH: ::c_int = 118;
350 pub const EINPROGRESS: ::c_int = 119;
351 pub const EALREADY: ::c_int = 120;
352 pub const EDESTADDRREQ: ::c_int = 121;
353 pub const EMSGSIZE: ::c_int = 122;
354 pub const EPROTONOSUPPORT: ::c_int = 123;
355 pub const EADDRNOTAVAIL: ::c_int = 125;
356 pub const ENETRESET: ::c_int = 126;
357 pub const EISCONN: ::c_int = 127;
358 pub const ENOTCONN: ::c_int = 128;
359 pub const ETOOMANYREFS: ::c_int = 129;
360 pub const EDQUOT: ::c_int = 132;
361 pub const ESTALE: ::c_int = 133;
362 pub const ENOTSUP: ::c_int = 134;
363 pub const EILSEQ: ::c_int = 138;
364 pub const EOVERFLOW: ::c_int = 139;
365 pub const ECANCELED: ::c_int = 140;
366 pub const ENOTRECOVERABLE: ::c_int = 141;
367 pub const EOWNERDEAD: ::c_int = 142;
368 pub const EWOULDBLOCK: ::c_int = 11;
369 
370 pub const F_DUPFD: ::c_int = 0;
371 pub const F_GETFD: ::c_int = 1;
372 pub const F_SETFD: ::c_int = 2;
373 pub const F_GETFL: ::c_int = 3;
374 pub const F_SETFL: ::c_int = 4;
375 pub const F_GETOWN: ::c_int = 5;
376 pub const F_SETOWN: ::c_int = 6;
377 pub const F_GETLK: ::c_int = 7;
378 pub const F_SETLK: ::c_int = 8;
379 pub const F_SETLKW: ::c_int = 9;
380 pub const F_RGETLK: ::c_int = 10;
381 pub const F_RSETLK: ::c_int = 11;
382 pub const F_CNVT: ::c_int = 12;
383 pub const F_RSETLKW: ::c_int = 13;
384 pub const F_DUPFD_CLOEXEC: ::c_int = 14;
385 
386 pub const O_RDONLY: ::c_int = 0;
387 pub const O_WRONLY: ::c_int = 1;
388 pub const O_RDWR: ::c_int = 2;
389 pub const O_APPEND: ::c_int = 8;
390 pub const O_CREAT: ::c_int = 512;
391 pub const O_TRUNC: ::c_int = 1024;
392 pub const O_EXCL: ::c_int = 2048;
393 pub const O_SYNC: ::c_int = 8192;
394 pub const O_NONBLOCK: ::c_int = 16384;
395 
396 pub const O_ACCMODE: ::c_int = 3;
397 pub const O_CLOEXEC: ::c_int = 0x80000;
398 
399 pub const RTLD_LAZY: ::c_int = 0x1;
400 
401 pub const STDIN_FILENO: ::c_int = 0;
402 pub const STDOUT_FILENO: ::c_int = 1;
403 pub const STDERR_FILENO: ::c_int = 2;
404 
405 pub const SEEK_SET: ::c_int = 0;
406 pub const SEEK_CUR: ::c_int = 1;
407 pub const SEEK_END: ::c_int = 2;
408 
409 pub const FIOCLEX: ::c_ulong = 0x20006601;
410 pub const FIONCLEX: ::c_ulong = 0x20006602;
411 
412 pub const S_BLKSIZE: ::mode_t = 1024;
413 pub const S_IREAD: ::mode_t = 256;
414 pub const S_IWRITE: ::mode_t = 128;
415 pub const S_IEXEC: ::mode_t = 64;
416 pub const S_ENFMT: ::mode_t = 1024;
417 pub const S_IFMT: ::mode_t = 61440;
418 pub const S_IFDIR: ::mode_t = 16384;
419 pub const S_IFCHR: ::mode_t = 8192;
420 pub const S_IFBLK: ::mode_t = 24576;
421 pub const S_IFREG: ::mode_t = 32768;
422 pub const S_IFLNK: ::mode_t = 40960;
423 pub const S_IFSOCK: ::mode_t = 49152;
424 pub const S_IFIFO: ::mode_t = 4096;
425 pub const S_IRUSR: ::mode_t = 256;
426 pub const S_IWUSR: ::mode_t = 128;
427 pub const S_IXUSR: ::mode_t = 64;
428 pub const S_IRGRP: ::mode_t = 32;
429 pub const S_IWGRP: ::mode_t = 16;
430 pub const S_IXGRP: ::mode_t = 8;
431 pub const S_IROTH: ::mode_t = 4;
432 pub const S_IWOTH: ::mode_t = 2;
433 pub const S_IXOTH: ::mode_t = 1;
434 
435 pub const SOL_TCP: ::c_int = 6;
436 
437 pub const PF_UNSPEC: ::c_int = 0;
438 pub const PF_INET: ::c_int = 2;
439 pub const PF_INET6: ::c_int = 23;
440 
441 pub const AF_UNSPEC: ::c_int = 0;
442 pub const AF_INET: ::c_int = 2;
443 
444 pub const CLOCK_REALTIME: ::clockid_t = 1;
445 pub const CLOCK_MONOTONIC: ::clockid_t = 4;
446 pub const CLOCK_BOOTTIME: ::clockid_t = 4;
447 
448 pub const SOCK_STREAM: ::c_int = 1;
449 pub const SOCK_DGRAM: ::c_int = 2;
450 
451 pub const SHUT_RD: ::c_int = 0;
452 pub const SHUT_WR: ::c_int = 1;
453 pub const SHUT_RDWR: ::c_int = 2;
454 
455 pub const SO_BINTIME: ::c_int = 0x2000;
456 pub const SO_NO_OFFLOAD: ::c_int = 0x4000;
457 pub const SO_NO_DDP: ::c_int = 0x8000;
458 pub const SO_REUSEPORT_LB: ::c_int = 0x10000;
459 pub const SO_LABEL: ::c_int = 0x1009;
460 pub const SO_PEERLABEL: ::c_int = 0x1010;
461 pub const SO_LISTENQLIMIT: ::c_int = 0x1011;
462 pub const SO_LISTENQLEN: ::c_int = 0x1012;
463 pub const SO_LISTENINCQLEN: ::c_int = 0x1013;
464 pub const SO_SETFIB: ::c_int = 0x1014;
465 pub const SO_USER_COOKIE: ::c_int = 0x1015;
466 pub const SO_PROTOCOL: ::c_int = 0x1016;
467 pub const SO_PROTOTYPE: ::c_int = SO_PROTOCOL;
468 pub const SO_VENDOR: ::c_int = 0x80000000;
469 pub const SO_DEBUG: ::c_int = 0x01;
470 pub const SO_ACCEPTCONN: ::c_int = 0x0002;
471 pub const SO_REUSEADDR: ::c_int = 0x0004;
472 pub const SO_KEEPALIVE: ::c_int = 0x0008;
473 pub const SO_DONTROUTE: ::c_int = 0x0010;
474 pub const SO_BROADCAST: ::c_int = 0x0020;
475 pub const SO_USELOOPBACK: ::c_int = 0x0040;
476 pub const SO_LINGER: ::c_int = 0x0080;
477 pub const SO_OOBINLINE: ::c_int = 0x0100;
478 pub const SO_REUSEPORT: ::c_int = 0x0200;
479 pub const SO_TIMESTAMP: ::c_int = 0x0400;
480 pub const SO_NOSIGPIPE: ::c_int = 0x0800;
481 pub const SO_ACCEPTFILTER: ::c_int = 0x1000;
482 pub const SO_SNDBUF: ::c_int = 0x1001;
483 pub const SO_RCVBUF: ::c_int = 0x1002;
484 pub const SO_SNDLOWAT: ::c_int = 0x1003;
485 pub const SO_RCVLOWAT: ::c_int = 0x1004;
486 pub const SO_SNDTIMEO: ::c_int = 0x1005;
487 pub const SO_RCVTIMEO: ::c_int = 0x1006;
488 cfg_if! {
489     if #[cfg(target_os = "horizon")] {
490         pub const SO_ERROR: ::c_int = 0x1009;
491     } else {
492         pub const SO_ERROR: ::c_int = 0x1007;
493     }
494 }
495 pub const SO_TYPE: ::c_int = 0x1008;
496 
497 pub const SOCK_CLOEXEC: ::c_int = O_CLOEXEC;
498 
499 pub const INET_ADDRSTRLEN: ::c_int = 16;
500 
501 // https://github.
502 // com/bminor/newlib/blob/master/newlib/libc/sys/linux/include/net/if.h#L121
503 pub const IFF_UP: ::c_int = 0x1; // interface is up
504 pub const IFF_BROADCAST: ::c_int = 0x2; // broadcast address valid
505 pub const IFF_DEBUG: ::c_int = 0x4; // turn on debugging
506 pub const IFF_LOOPBACK: ::c_int = 0x8; // is a loopback net
507 pub const IFF_POINTOPOINT: ::c_int = 0x10; // interface is point-to-point link
508 pub const IFF_NOTRAILERS: ::c_int = 0x20; // avoid use of trailers
509 pub const IFF_RUNNING: ::c_int = 0x40; // resources allocated
510 pub const IFF_NOARP: ::c_int = 0x80; // no address resolution protocol
511 pub const IFF_PROMISC: ::c_int = 0x100; // receive all packets
512 pub const IFF_ALLMULTI: ::c_int = 0x200; // receive all multicast packets
513 pub const IFF_OACTIVE: ::c_int = 0x400; // transmission in progress
514 pub const IFF_SIMPLEX: ::c_int = 0x800; // can't hear own transmissions
515 pub const IFF_LINK0: ::c_int = 0x1000; // per link layer defined bit
516 pub const IFF_LINK1: ::c_int = 0x2000; // per link layer defined bit
517 pub const IFF_LINK2: ::c_int = 0x4000; // per link layer defined bit
518 pub const IFF_ALTPHYS: ::c_int = IFF_LINK2; // use alternate physical connection
519 pub const IFF_MULTICAST: ::c_int = 0x8000; // supports multicast
520 
521 pub const TCP_NODELAY: ::c_int = 8193;
522 pub const TCP_MAXSEG: ::c_int = 8194;
523 pub const TCP_NOPUSH: ::c_int = 4;
524 pub const TCP_NOOPT: ::c_int = 8;
525 pub const TCP_KEEPIDLE: ::c_int = 256;
526 pub const TCP_KEEPINTVL: ::c_int = 512;
527 pub const TCP_KEEPCNT: ::c_int = 1024;
528 
529 cfg_if! {
530     if #[cfg(target_os = "horizon")] {
531         pub const IP_TOS: ::c_int = 7;
532     } else {
533         pub const IP_TOS: ::c_int = 3;
534     }
535 }
536 pub const IP_TTL: ::c_int = 8;
537 pub const IP_MULTICAST_IF: ::c_int = 9;
538 pub const IP_MULTICAST_TTL: ::c_int = 10;
539 pub const IP_MULTICAST_LOOP: ::c_int = 11;
540 pub const IP_ADD_MEMBERSHIP: ::c_int = 11;
541 pub const IP_DROP_MEMBERSHIP: ::c_int = 12;
542 
543 pub const IPV6_UNICAST_HOPS: ::c_int = 4;
544 pub const IPV6_MULTICAST_IF: ::c_int = 9;
545 pub const IPV6_MULTICAST_HOPS: ::c_int = 10;
546 pub const IPV6_MULTICAST_LOOP: ::c_int = 11;
547 pub const IPV6_V6ONLY: ::c_int = 27;
548 pub const IPV6_JOIN_GROUP: ::c_int = 12;
549 pub const IPV6_LEAVE_GROUP: ::c_int = 13;
550 pub const IPV6_ADD_MEMBERSHIP: ::c_int = 12;
551 pub const IPV6_DROP_MEMBERSHIP: ::c_int = 13;
552 
553 pub const HOST_NOT_FOUND: ::c_int = 1;
554 pub const NO_DATA: ::c_int = 2;
555 pub const NO_ADDRESS: ::c_int = 2;
556 pub const NO_RECOVERY: ::c_int = 3;
557 pub const TRY_AGAIN: ::c_int = 4;
558 
559 pub const AI_PASSIVE: ::c_int = 1;
560 pub const AI_CANONNAME: ::c_int = 2;
561 pub const AI_NUMERICHOST: ::c_int = 4;
562 pub const AI_NUMERICSERV: ::c_int = 0;
563 pub const AI_ADDRCONFIG: ::c_int = 0;
564 
565 pub const NI_MAXHOST: ::c_int = 1025;
566 pub const NI_MAXSERV: ::c_int = 32;
567 pub const NI_NOFQDN: ::c_int = 1;
568 pub const NI_NUMERICHOST: ::c_int = 2;
569 pub const NI_NAMEREQD: ::c_int = 4;
570 pub const NI_NUMERICSERV: ::c_int = 0;
571 pub const NI_DGRAM: ::c_int = 0;
572 
573 pub const EAI_FAMILY: ::c_int = -303;
574 pub const EAI_MEMORY: ::c_int = -304;
575 pub const EAI_NONAME: ::c_int = -305;
576 pub const EAI_SOCKTYPE: ::c_int = -307;
577 
578 pub const EXIT_SUCCESS: ::c_int = 0;
579 pub const EXIT_FAILURE: ::c_int = 1;
580 
581 pub const PRIO_PROCESS: ::c_int = 0;
582 pub const PRIO_PGRP: ::c_int = 1;
583 pub const PRIO_USER: ::c_int = 2;
584 
585 f! {
586     pub fn FD_CLR(fd: ::c_int, set: *mut fd_set) -> () {
587         let bits = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
588         let fd = fd as usize;
589         (*set).fds_bits[fd / bits] &= !(1 << (fd % bits));
590         return
591     }
592 
593     pub fn FD_ISSET(fd: ::c_int, set: *const fd_set) -> bool {
594         let bits = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
595         let fd = fd as usize;
596         return ((*set).fds_bits[fd / bits] & (1 << (fd % bits))) != 0
597     }
598 
599     pub fn FD_SET(fd: ::c_int, set: *mut fd_set) -> () {
600         let bits = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
601         let fd = fd as usize;
602         (*set).fds_bits[fd / bits] |= 1 << (fd % bits);
603         return
604     }
605 
606     pub fn FD_ZERO(set: *mut fd_set) -> () {
607         for slot in (*set).fds_bits.iter_mut() {
608             *slot = 0;
609         }
610     }
611 }
612 
613 extern "C" {
getrlimit(resource: ::c_int, rlim: *mut ::rlimit) -> ::c_int614     pub fn getrlimit(resource: ::c_int, rlim: *mut ::rlimit) -> ::c_int;
setrlimit(resource: ::c_int, rlim: *const ::rlimit) -> ::c_int615     pub fn setrlimit(resource: ::c_int, rlim: *const ::rlimit) -> ::c_int;
616 
617     #[cfg_attr(target_os = "linux", link_name = "__xpg_strerror_r")]
strerror_r(errnum: ::c_int, buf: *mut c_char, buflen: ::size_t) -> ::c_int618     pub fn strerror_r(errnum: ::c_int, buf: *mut c_char, buflen: ::size_t) -> ::c_int;
619 
sem_destroy(sem: *mut sem_t) -> ::c_int620     pub fn sem_destroy(sem: *mut sem_t) -> ::c_int;
sem_init(sem: *mut sem_t, pshared: ::c_int, value: ::c_uint) -> ::c_int621     pub fn sem_init(sem: *mut sem_t, pshared: ::c_int, value: ::c_uint) -> ::c_int;
622 
abs(i: ::c_int) -> ::c_int623     pub fn abs(i: ::c_int) -> ::c_int;
labs(i: ::c_long) -> ::c_long624     pub fn labs(i: ::c_long) -> ::c_long;
rand() -> ::c_int625     pub fn rand() -> ::c_int;
srand(seed: ::c_uint)626     pub fn srand(seed: ::c_uint);
627 
628     #[cfg(not(all(
629         libc_cfg_target_vendor,
630         target_arch = "powerpc",
631         target_vendor = "nintendo"
632     )))]
633     #[cfg_attr(target_os = "espidf", link_name = "lwip_bind")]
bind(fd: ::c_int, addr: *const sockaddr, len: socklen_t) -> ::c_int634     pub fn bind(fd: ::c_int, addr: *const sockaddr, len: socklen_t) -> ::c_int;
clock_settime(clock_id: ::clockid_t, tp: *const ::timespec) -> ::c_int635     pub fn clock_settime(clock_id: ::clockid_t, tp: *const ::timespec) -> ::c_int;
clock_gettime(clock_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int636     pub fn clock_gettime(clock_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int;
clock_getres(clock_id: ::clockid_t, res: *mut ::timespec) -> ::c_int637     pub fn clock_getres(clock_id: ::clockid_t, res: *mut ::timespec) -> ::c_int;
638     #[cfg_attr(target_os = "espidf", link_name = "lwip_close")]
closesocket(sockfd: ::c_int) -> ::c_int639     pub fn closesocket(sockfd: ::c_int) -> ::c_int;
ioctl(fd: ::c_int, request: ::c_ulong, ...) -> ::c_int640     pub fn ioctl(fd: ::c_int, request: ::c_ulong, ...) -> ::c_int;
641     #[cfg(not(all(
642         libc_cfg_target_vendor,
643         target_arch = "powerpc",
644         target_vendor = "nintendo"
645     )))]
646     #[cfg_attr(target_os = "espidf", link_name = "lwip_recvfrom")]
recvfrom( fd: ::c_int, buf: *mut ::c_void, n: usize, flags: ::c_int, addr: *mut sockaddr, addr_len: *mut socklen_t, ) -> isize647     pub fn recvfrom(
648         fd: ::c_int,
649         buf: *mut ::c_void,
650         n: usize,
651         flags: ::c_int,
652         addr: *mut sockaddr,
653         addr_len: *mut socklen_t,
654     ) -> isize;
655     #[cfg(not(all(
656         libc_cfg_target_vendor,
657         target_arch = "powerpc",
658         target_vendor = "nintendo"
659     )))]
getnameinfo( sa: *const sockaddr, salen: socklen_t, host: *mut ::c_char, hostlen: socklen_t, serv: *mut ::c_char, servlen: socklen_t, flags: ::c_int, ) -> ::c_int660     pub fn getnameinfo(
661         sa: *const sockaddr,
662         salen: socklen_t,
663         host: *mut ::c_char,
664         hostlen: socklen_t,
665         serv: *mut ::c_char,
666         servlen: socklen_t,
667         flags: ::c_int,
668     ) -> ::c_int;
memalign(align: ::size_t, size: ::size_t) -> *mut ::c_void669     pub fn memalign(align: ::size_t, size: ::size_t) -> *mut ::c_void;
fexecve( fd: ::c_int, argv: *const *const ::c_char, envp: *const *const ::c_char, ) -> ::c_int670     pub fn fexecve(
671         fd: ::c_int,
672         argv: *const *const ::c_char,
673         envp: *const *const ::c_char,
674     ) -> ::c_int;
gettimeofday(tp: *mut ::timeval, tz: *mut ::c_void) -> ::c_int675     pub fn gettimeofday(tp: *mut ::timeval, tz: *mut ::c_void) -> ::c_int;
getgrgid_r( gid: ::gid_t, grp: *mut ::group, buf: *mut ::c_char, buflen: ::size_t, result: *mut *mut ::group, ) -> ::c_int676     pub fn getgrgid_r(
677         gid: ::gid_t,
678         grp: *mut ::group,
679         buf: *mut ::c_char,
680         buflen: ::size_t,
681         result: *mut *mut ::group,
682     ) -> ::c_int;
sigaltstack(ss: *const stack_t, oss: *mut stack_t) -> ::c_int683     pub fn sigaltstack(ss: *const stack_t, oss: *mut stack_t) -> ::c_int;
sem_close(sem: *mut sem_t) -> ::c_int684     pub fn sem_close(sem: *mut sem_t) -> ::c_int;
getdtablesize() -> ::c_int685     pub fn getdtablesize() -> ::c_int;
getgrnam_r( name: *const ::c_char, grp: *mut ::group, buf: *mut ::c_char, buflen: ::size_t, result: *mut *mut ::group, ) -> ::c_int686     pub fn getgrnam_r(
687         name: *const ::c_char,
688         grp: *mut ::group,
689         buf: *mut ::c_char,
690         buflen: ::size_t,
691         result: *mut *mut ::group,
692     ) -> ::c_int;
pthread_sigmask(how: ::c_int, set: *const sigset_t, oldset: *mut sigset_t) -> ::c_int693     pub fn pthread_sigmask(how: ::c_int, set: *const sigset_t, oldset: *mut sigset_t) -> ::c_int;
sem_open(name: *const ::c_char, oflag: ::c_int, ...) -> *mut sem_t694     pub fn sem_open(name: *const ::c_char, oflag: ::c_int, ...) -> *mut sem_t;
getgrnam(name: *const ::c_char) -> *mut ::group695     pub fn getgrnam(name: *const ::c_char) -> *mut ::group;
pthread_kill(thread: ::pthread_t, sig: ::c_int) -> ::c_int696     pub fn pthread_kill(thread: ::pthread_t, sig: ::c_int) -> ::c_int;
sem_unlink(name: *const ::c_char) -> ::c_int697     pub fn sem_unlink(name: *const ::c_char) -> ::c_int;
daemon(nochdir: ::c_int, noclose: ::c_int) -> ::c_int698     pub fn daemon(nochdir: ::c_int, noclose: ::c_int) -> ::c_int;
getpwnam_r( name: *const ::c_char, pwd: *mut passwd, buf: *mut ::c_char, buflen: ::size_t, result: *mut *mut passwd, ) -> ::c_int699     pub fn getpwnam_r(
700         name: *const ::c_char,
701         pwd: *mut passwd,
702         buf: *mut ::c_char,
703         buflen: ::size_t,
704         result: *mut *mut passwd,
705     ) -> ::c_int;
getpwuid_r( uid: ::uid_t, pwd: *mut passwd, buf: *mut ::c_char, buflen: ::size_t, result: *mut *mut passwd, ) -> ::c_int706     pub fn getpwuid_r(
707         uid: ::uid_t,
708         pwd: *mut passwd,
709         buf: *mut ::c_char,
710         buflen: ::size_t,
711         result: *mut *mut passwd,
712     ) -> ::c_int;
sigwait(set: *const sigset_t, sig: *mut ::c_int) -> ::c_int713     pub fn sigwait(set: *const sigset_t, sig: *mut ::c_int) -> ::c_int;
pthread_atfork( prepare: ::Option<unsafe extern "C" fn()>, parent: ::Option<unsafe extern "C" fn()>, child: ::Option<unsafe extern "C" fn()>, ) -> ::c_int714     pub fn pthread_atfork(
715         prepare: ::Option<unsafe extern "C" fn()>,
716         parent: ::Option<unsafe extern "C" fn()>,
717         child: ::Option<unsafe extern "C" fn()>,
718     ) -> ::c_int;
getgrgid(gid: ::gid_t) -> *mut ::group719     pub fn getgrgid(gid: ::gid_t) -> *mut ::group;
popen(command: *const c_char, mode: *const c_char) -> *mut ::FILE720     pub fn popen(command: *const c_char, mode: *const c_char) -> *mut ::FILE;
uname(buf: *mut ::utsname) -> ::c_int721     pub fn uname(buf: *mut ::utsname) -> ::c_int;
722 }
723 
724 mod generic;
725 
726 cfg_if! {
727     if #[cfg(target_os = "espidf")] {
728         mod espidf;
729         pub use self::espidf::*;
730     } else if #[cfg(target_os = "horizon")] {
731         mod horizon;
732         pub use self::horizon::*;
733     } else if #[cfg(target_arch = "arm")] {
734         mod arm;
735         pub use self::arm::*;
736     } else if #[cfg(target_arch = "aarch64")] {
737         mod aarch64;
738         pub use self::aarch64::*;
739     } else if #[cfg(target_arch = "powerpc")] {
740         mod powerpc;
741         pub use self::powerpc::*;
742     } else {
743         // Only tested on ARM so far. Other platforms might have different
744         // definitions for types and constants.
745         pub use target_arch_not_implemented;
746     }
747 }
748 
749 cfg_if! {
750     if #[cfg(libc_align)] {
751         #[macro_use]
752         mod align;
753     } else {
754         #[macro_use]
755         mod no_align;
756     }
757 }
758 expand_align!();
759