1 pub type blkcnt_t = i32;
2 pub type blksize_t = i32;
3 pub type clockid_t = ::c_ulong;
4 pub type dev_t = u32;
5 pub type fsblkcnt_t = u64;
6 pub type fsfilcnt_t = u32;
7 pub type id_t = u32;
8 pub type ino_t = u32;
9 pub type key_t = ::c_int;
10 pub type loff_t = ::c_longlong;
11 pub type mode_t = ::c_uint;
12 pub type nfds_t = u32;
13 pub type nlink_t = ::c_ushort;
14 pub type off_t = i64;
15 pub type pthread_t = ::c_ulong;
16 pub type pthread_key_t = ::c_uint;
17 pub type rlim_t = u32;
18 pub type sa_family_t = u8;
19 pub type socklen_t = u32;
20 pub type speed_t = u32;
21 pub type suseconds_t = i32;
22 pub type tcflag_t = ::c_uint;
23 pub type time_t = i32;
24 pub type useconds_t = u32;
25 
26 s! {
27     // The order of the `ai_addr` field in this struct is crucial
28     // for converting between the Rust and C types.
29     pub struct addrinfo {
30         pub ai_flags: ::c_int,
31         pub ai_family: ::c_int,
32         pub ai_socktype: ::c_int,
33         pub ai_protocol: ::c_int,
34         pub ai_addrlen: socklen_t,
35 
36         #[cfg(target_os = "espidf")]
37         pub ai_addr: *mut sockaddr,
38 
39         pub ai_canonname: *mut ::c_char,
40 
41         #[cfg(not(any(
42             target_os = "espidf",
43             all(libc_cfg_target_vendor, target_arch = "powerpc", target_vendor = "nintendo"))))]
44         pub ai_addr: *mut sockaddr,
45 
46         pub ai_next: *mut addrinfo,
47     }
48 
49     pub struct ip_mreq {
50         pub imr_multiaddr: in_addr,
51         pub imr_interface: in_addr,
52     }
53 
54     pub struct linger {
55         pub l_onoff: ::c_int,
56         pub l_linger: ::c_int,
57     }
58 
59     pub struct in_addr {
60             pub s_addr: ::in_addr_t,
61     }
62 
63     pub struct hostent {
64             pub h_name: *mut ::c_char,
65             pub h_aliases: *mut *mut ::c_char,
66             pub h_addrtype: ::c_int,
67             pub h_length: ::c_int,
68             pub h_addr_list: *mut *mut ::c_char,
69             pub h_addr: *mut ::c_char,
70     }
71 
72     pub struct pollfd {
73         pub fd: ::c_int,
74         pub events: ::c_int,
75         pub revents: ::c_int,
76     }
77 
78     pub struct lconv {
79         pub decimal_point: *mut ::c_char,
80         pub thousands_sep: *mut ::c_char,
81         pub grouping: *mut ::c_char,
82         pub int_curr_symbol: *mut ::c_char,
83         pub currency_symbol: *mut ::c_char,
84         pub mon_decimal_point: *mut ::c_char,
85         pub mon_thousands_sep: *mut ::c_char,
86         pub mon_grouping: *mut ::c_char,
87         pub positive_sign: *mut ::c_char,
88         pub negative_sign: *mut ::c_char,
89         pub int_frac_digits: ::c_char,
90         pub frac_digits: ::c_char,
91         pub p_cs_precedes: ::c_char,
92         pub p_sep_by_space: ::c_char,
93         pub n_cs_precedes: ::c_char,
94         pub n_sep_by_space: ::c_char,
95         pub p_sign_posn: ::c_char,
96         pub n_sign_posn: ::c_char,
97         pub int_n_cs_precedes: ::c_char,
98         pub int_n_sep_by_space: ::c_char,
99         pub int_n_sign_posn: ::c_char,
100         pub int_p_cs_precedes: ::c_char,
101         pub int_p_sep_by_space: ::c_char,
102         pub int_p_sign_posn: ::c_char,
103     }
104 
105     pub struct tm {
106         pub tm_sec: ::c_int,
107         pub tm_min: ::c_int,
108         pub tm_hour: ::c_int,
109         pub tm_mday: ::c_int,
110         pub tm_mon: ::c_int,
111         pub tm_year: ::c_int,
112         pub tm_wday: ::c_int,
113         pub tm_yday: ::c_int,
114         pub tm_isdst: ::c_int,
115     }
116 
117     pub struct stat {
118         pub st_dev: ::dev_t,
119         pub st_ino: ::ino_t,
120         pub st_mode: ::mode_t,
121         pub st_nlink: ::nlink_t,
122         pub st_uid: ::uid_t,
123         pub st_gid: ::gid_t,
124         pub st_rdev: dev_t,
125         pub st_size: off_t,
126         pub st_atime: time_t,
127         pub st_spare1: ::c_long,
128         pub st_mtime: time_t,
129         pub st_spare2: ::c_long,
130         pub st_ctime: time_t,
131         pub st_spare3: ::c_long,
132         pub st_blksize: blksize_t,
133         pub st_blocks: blkcnt_t,
134         pub st_spare4: [::c_long; 2usize],
135     }
136 
137     pub struct statvfs {
138         pub f_bsize: ::c_ulong,
139         pub f_frsize: ::c_ulong,
140         pub f_blocks: fsblkcnt_t,
141         pub f_bfree: fsblkcnt_t,
142         pub f_bavail: fsblkcnt_t,
143         pub f_files: fsfilcnt_t,
144         pub f_ffree: fsfilcnt_t,
145         pub f_favail: fsfilcnt_t,
146         pub f_fsid: ::c_ulong,
147         pub f_flag: ::c_ulong,
148         pub f_namemax: ::c_ulong,
149     }
150 
151     pub struct sigset_t {
152         __val: [::c_ulong; 16],
153     }
154 
155     pub struct sigaction {
156         pub sa_handler: extern fn(arg1: ::c_int),
157         pub sa_mask: sigset_t,
158         pub sa_flags: ::c_int,
159     }
160 
161     pub struct dirent {
162         pub d_ino: ino_t,
163         pub d_type: ::c_uchar,
164         pub d_name: [::c_char; 256usize],
165     }
166 
167     pub struct stack_t {
168         pub ss_sp: *mut ::c_void,
169         pub ss_flags: ::c_int,
170         pub ss_size: usize,
171     }
172 
173     pub struct fd_set { // Unverified
174         fds_bits: [::c_ulong; FD_SETSIZE / ULONG_SIZE],
175     }
176 
177     pub struct passwd { // Unverified
178         pub pw_name: *mut ::c_char,
179         pub pw_passwd: *mut ::c_char,
180         pub pw_uid: ::uid_t,
181         pub pw_gid: ::gid_t,
182         pub pw_gecos: *mut ::c_char,
183         pub pw_dir: *mut ::c_char,
184         pub pw_shell: *mut ::c_char,
185     }
186 
187     pub struct termios { // Unverified
188         pub c_iflag: ::tcflag_t,
189         pub c_oflag: ::tcflag_t,
190         pub c_cflag: ::tcflag_t,
191         pub c_lflag: ::tcflag_t,
192         pub c_line: ::cc_t,
193         pub c_cc: [::cc_t; ::NCCS],
194     }
195 
196     pub struct sem_t { // Unverified
197         __size: [::c_char; 16],
198     }
199 
200     pub struct Dl_info { // Unverified
201         pub dli_fname: *const ::c_char,
202         pub dli_fbase: *mut ::c_void,
203         pub dli_sname: *const ::c_char,
204         pub dli_saddr: *mut ::c_void,
205     }
206 
207     pub struct utsname { // Unverified
208         pub sysname: [::c_char; 65],
209         pub nodename: [::c_char; 65],
210         pub release: [::c_char; 65],
211         pub version: [::c_char; 65],
212         pub machine: [::c_char; 65],
213         pub domainname: [::c_char; 65]
214     }
215 
216     pub struct cpu_set_t { // Unverified
217         bits: [u32; 32],
218     }
219 
220     pub struct pthread_attr_t { // Unverified
221         __size: [u64; 7]
222     }
223 
224     pub struct pthread_rwlockattr_t { // Unverified
225         __lockkind: ::c_int,
226         __pshared: ::c_int,
227     }
228 }
229 
230 // unverified constants
231 align_const! {
232     pub const PTHREAD_MUTEX_INITIALIZER: pthread_mutex_t = pthread_mutex_t {
233         size: [__PTHREAD_INITIALIZER_BYTE; __SIZEOF_PTHREAD_MUTEX_T],
234     };
235     pub const PTHREAD_COND_INITIALIZER: pthread_cond_t = pthread_cond_t {
236         size: [__PTHREAD_INITIALIZER_BYTE; __SIZEOF_PTHREAD_COND_T],
237     };
238     pub const PTHREAD_RWLOCK_INITIALIZER: pthread_rwlock_t = pthread_rwlock_t {
239         size: [__PTHREAD_INITIALIZER_BYTE; __SIZEOF_PTHREAD_RWLOCK_T],
240     };
241 }
242 pub const NCCS: usize = 32;
243 cfg_if! {
244     if #[cfg(target_os = "espidf")] {
245         const __PTHREAD_INITIALIZER_BYTE: u8 = 0xff;
246         pub const __SIZEOF_PTHREAD_ATTR_T: usize = 32;
247         pub const __SIZEOF_PTHREAD_MUTEX_T: usize = 4;
248         pub const __SIZEOF_PTHREAD_MUTEXATTR_T: usize = 12;
249         pub const __SIZEOF_PTHREAD_COND_T: usize = 4;
250         pub const __SIZEOF_PTHREAD_CONDATTR_T: usize = 8;
251         pub const __SIZEOF_PTHREAD_RWLOCK_T: usize = 4;
252         pub const __SIZEOF_PTHREAD_RWLOCKATTR_T: usize = 12;
253     } else {
254         const __PTHREAD_INITIALIZER_BYTE: u8 = 0;
255         pub const __SIZEOF_PTHREAD_ATTR_T: usize = 56;
256         pub const __SIZEOF_PTHREAD_MUTEX_T: usize = 40;
257         pub const __SIZEOF_PTHREAD_MUTEXATTR_T: usize = 4;
258         pub const __SIZEOF_PTHREAD_COND_T: usize = 48;
259         pub const __SIZEOF_PTHREAD_CONDATTR_T: usize = 4;
260         pub const __SIZEOF_PTHREAD_RWLOCK_T: usize = 56;
261         pub const __SIZEOF_PTHREAD_RWLOCKATTR_T: usize = 8;
262     }
263 }
264 pub const __SIZEOF_PTHREAD_BARRIER_T: usize = 32;
265 pub const __SIZEOF_PTHREAD_BARRIERATTR_T: usize = 4;
266 pub const __PTHREAD_MUTEX_HAVE_PREV: usize = 1;
267 pub const __PTHREAD_RWLOCK_INT_FLAGS_SHARED: usize = 1;
268 pub const PTHREAD_MUTEX_NORMAL: ::c_int = 0;
269 pub const PTHREAD_MUTEX_RECURSIVE: ::c_int = 1;
270 pub const PTHREAD_MUTEX_ERRORCHECK: ::c_int = 2;
271 pub const FD_SETSIZE: usize = 1024;
272 // intentionally not public, only used for fd_set
273 const ULONG_SIZE: usize = 32;
274 
275 // Other constants
276 pub const EPERM: ::c_int = 1;
277 pub const ENOENT: ::c_int = 2;
278 pub const ESRCH: ::c_int = 3;
279 pub const EINTR: ::c_int = 4;
280 pub const EIO: ::c_int = 5;
281 pub const ENXIO: ::c_int = 6;
282 pub const E2BIG: ::c_int = 7;
283 pub const ENOEXEC: ::c_int = 8;
284 pub const EBADF: ::c_int = 9;
285 pub const ECHILD: ::c_int = 10;
286 pub const EAGAIN: ::c_int = 11;
287 pub const ENOMEM: ::c_int = 12;
288 pub const EACCES: ::c_int = 13;
289 pub const EFAULT: ::c_int = 14;
290 pub const EBUSY: ::c_int = 16;
291 pub const EEXIST: ::c_int = 17;
292 pub const EXDEV: ::c_int = 18;
293 pub const ENODEV: ::c_int = 19;
294 pub const ENOTDIR: ::c_int = 20;
295 pub const EISDIR: ::c_int = 21;
296 pub const EINVAL: ::c_int = 22;
297 pub const ENFILE: ::c_int = 23;
298 pub const EMFILE: ::c_int = 24;
299 pub const ENOTTY: ::c_int = 25;
300 pub const ETXTBSY: ::c_int = 26;
301 pub const EFBIG: ::c_int = 27;
302 pub const ENOSPC: ::c_int = 28;
303 pub const ESPIPE: ::c_int = 29;
304 pub const EROFS: ::c_int = 30;
305 pub const EMLINK: ::c_int = 31;
306 pub const EPIPE: ::c_int = 32;
307 pub const EDOM: ::c_int = 33;
308 pub const ERANGE: ::c_int = 34;
309 pub const ENOMSG: ::c_int = 35;
310 pub const EIDRM: ::c_int = 36;
311 pub const EDEADLK: ::c_int = 45;
312 pub const ENOLCK: ::c_int = 46;
313 pub const ENOSTR: ::c_int = 60;
314 pub const ENODATA: ::c_int = 61;
315 pub const ETIME: ::c_int = 62;
316 pub const ENOSR: ::c_int = 63;
317 pub const ENOLINK: ::c_int = 67;
318 pub const EPROTO: ::c_int = 71;
319 pub const EMULTIHOP: ::c_int = 74;
320 pub const EBADMSG: ::c_int = 77;
321 pub const EFTYPE: ::c_int = 79;
322 pub const ENOSYS: ::c_int = 88;
323 pub const ENOTEMPTY: ::c_int = 90;
324 pub const ENAMETOOLONG: ::c_int = 91;
325 pub const ELOOP: ::c_int = 92;
326 pub const EOPNOTSUPP: ::c_int = 95;
327 pub const EPFNOSUPPORT: ::c_int = 96;
328 pub const ECONNRESET: ::c_int = 104;
329 pub const ENOBUFS: ::c_int = 105;
330 pub const EAFNOSUPPORT: ::c_int = 106;
331 pub const EPROTOTYPE: ::c_int = 107;
332 pub const ENOTSOCK: ::c_int = 108;
333 pub const ENOPROTOOPT: ::c_int = 109;
334 pub const ECONNREFUSED: ::c_int = 111;
335 pub const EADDRINUSE: ::c_int = 112;
336 pub const ECONNABORTED: ::c_int = 113;
337 pub const ENETUNREACH: ::c_int = 114;
338 pub const ENETDOWN: ::c_int = 115;
339 pub const ETIMEDOUT: ::c_int = 116;
340 pub const EHOSTDOWN: ::c_int = 117;
341 pub const EHOSTUNREACH: ::c_int = 118;
342 pub const EINPROGRESS: ::c_int = 119;
343 pub const EALREADY: ::c_int = 120;
344 pub const EDESTADDRREQ: ::c_int = 121;
345 pub const EMSGSIZE: ::c_int = 122;
346 pub const EPROTONOSUPPORT: ::c_int = 123;
347 pub const EADDRNOTAVAIL: ::c_int = 125;
348 pub const ENETRESET: ::c_int = 126;
349 pub const EISCONN: ::c_int = 127;
350 pub const ENOTCONN: ::c_int = 128;
351 pub const ETOOMANYREFS: ::c_int = 129;
352 pub const EDQUOT: ::c_int = 132;
353 pub const ESTALE: ::c_int = 133;
354 pub const ENOTSUP: ::c_int = 134;
355 pub const EILSEQ: ::c_int = 138;
356 pub const EOVERFLOW: ::c_int = 139;
357 pub const ECANCELED: ::c_int = 140;
358 pub const ENOTRECOVERABLE: ::c_int = 141;
359 pub const EOWNERDEAD: ::c_int = 142;
360 pub const EWOULDBLOCK: ::c_int = 11;
361 
362 pub const F_DUPFD: ::c_int = 0;
363 pub const F_GETFD: ::c_int = 1;
364 pub const F_SETFD: ::c_int = 2;
365 pub const F_GETFL: ::c_int = 3;
366 pub const F_SETFL: ::c_int = 4;
367 pub const F_GETOWN: ::c_int = 5;
368 pub const F_SETOWN: ::c_int = 6;
369 pub const F_GETLK: ::c_int = 7;
370 pub const F_SETLK: ::c_int = 8;
371 pub const F_SETLKW: ::c_int = 9;
372 pub const F_RGETLK: ::c_int = 10;
373 pub const F_RSETLK: ::c_int = 11;
374 pub const F_CNVT: ::c_int = 12;
375 pub const F_RSETLKW: ::c_int = 13;
376 pub const F_DUPFD_CLOEXEC: ::c_int = 14;
377 
378 pub const O_RDONLY: ::c_int = 0;
379 pub const O_WRONLY: ::c_int = 1;
380 pub const O_RDWR: ::c_int = 2;
381 pub const O_APPEND: ::c_int = 8;
382 pub const O_CREAT: ::c_int = 512;
383 pub const O_TRUNC: ::c_int = 1024;
384 pub const O_EXCL: ::c_int = 2048;
385 pub const O_SYNC: ::c_int = 8192;
386 pub const O_NONBLOCK: ::c_int = 16384;
387 
388 pub const O_ACCMODE: ::c_int = 3;
389 pub const O_CLOEXEC: ::c_int = 0x80000;
390 
391 pub const RTLD_LAZY: ::c_int = 0x1;
392 
393 pub const STDIN_FILENO: ::c_int = 0;
394 pub const STDOUT_FILENO: ::c_int = 1;
395 pub const STDERR_FILENO: ::c_int = 2;
396 
397 pub const SEEK_SET: ::c_int = 0;
398 pub const SEEK_CUR: ::c_int = 1;
399 pub const SEEK_END: ::c_int = 2;
400 
401 pub const FIOCLEX: ::c_ulong = 0x20006601;
402 pub const FIONCLEX: ::c_ulong = 0x20006602;
403 
404 pub const S_BLKSIZE: ::mode_t = 1024;
405 pub const S_IREAD: ::mode_t = 256;
406 pub const S_IWRITE: ::mode_t = 128;
407 pub const S_IEXEC: ::mode_t = 64;
408 pub const S_ENFMT: ::mode_t = 1024;
409 pub const S_IFMT: ::mode_t = 61440;
410 pub const S_IFDIR: ::mode_t = 16384;
411 pub const S_IFCHR: ::mode_t = 8192;
412 pub const S_IFBLK: ::mode_t = 24576;
413 pub const S_IFREG: ::mode_t = 32768;
414 pub const S_IFLNK: ::mode_t = 40960;
415 pub const S_IFSOCK: ::mode_t = 49152;
416 pub const S_IFIFO: ::mode_t = 4096;
417 pub const S_IRUSR: ::mode_t = 256;
418 pub const S_IWUSR: ::mode_t = 128;
419 pub const S_IXUSR: ::mode_t = 64;
420 pub const S_IRGRP: ::mode_t = 32;
421 pub const S_IWGRP: ::mode_t = 16;
422 pub const S_IXGRP: ::mode_t = 8;
423 pub const S_IROTH: ::mode_t = 4;
424 pub const S_IWOTH: ::mode_t = 2;
425 pub const S_IXOTH: ::mode_t = 1;
426 
427 pub const SOL_TCP: ::c_int = 6;
428 
429 pub const PF_UNSPEC: ::c_int = 0;
430 pub const PF_INET: ::c_int = 2;
431 pub const PF_INET6: ::c_int = 23;
432 
433 pub const AF_UNSPEC: ::c_int = 0;
434 pub const AF_INET: ::c_int = 2;
435 
436 pub const CLOCK_REALTIME: ::clockid_t = 1;
437 pub const CLOCK_MONOTONIC: ::clockid_t = 4;
438 pub const CLOCK_BOOTTIME: ::clockid_t = 4;
439 
440 pub const SOCK_STREAM: ::c_int = 1;
441 pub const SOCK_DGRAM: ::c_int = 2;
442 
443 pub const SHUT_RD: ::c_int = 0;
444 pub const SHUT_WR: ::c_int = 1;
445 pub const SHUT_RDWR: ::c_int = 2;
446 
447 pub const SO_BINTIME: ::c_int = 0x2000;
448 pub const SO_NO_OFFLOAD: ::c_int = 0x4000;
449 pub const SO_NO_DDP: ::c_int = 0x8000;
450 pub const SO_REUSEPORT_LB: ::c_int = 0x10000;
451 pub const SO_LABEL: ::c_int = 0x1009;
452 pub const SO_PEERLABEL: ::c_int = 0x1010;
453 pub const SO_LISTENQLIMIT: ::c_int = 0x1011;
454 pub const SO_LISTENQLEN: ::c_int = 0x1012;
455 pub const SO_LISTENINCQLEN: ::c_int = 0x1013;
456 pub const SO_SETFIB: ::c_int = 0x1014;
457 pub const SO_USER_COOKIE: ::c_int = 0x1015;
458 pub const SO_PROTOCOL: ::c_int = 0x1016;
459 pub const SO_PROTOTYPE: ::c_int = SO_PROTOCOL;
460 pub const SO_VENDOR: ::c_int = 0x80000000;
461 pub const SO_DEBUG: ::c_int = 0x01;
462 pub const SO_ACCEPTCONN: ::c_int = 0x0002;
463 pub const SO_REUSEADDR: ::c_int = 0x0004;
464 pub const SO_KEEPALIVE: ::c_int = 0x0008;
465 pub const SO_DONTROUTE: ::c_int = 0x0010;
466 pub const SO_BROADCAST: ::c_int = 0x0020;
467 pub const SO_USELOOPBACK: ::c_int = 0x0040;
468 pub const SO_LINGER: ::c_int = 0x0080;
469 pub const SO_OOBINLINE: ::c_int = 0x0100;
470 pub const SO_REUSEPORT: ::c_int = 0x0200;
471 pub const SO_TIMESTAMP: ::c_int = 0x0400;
472 pub const SO_NOSIGPIPE: ::c_int = 0x0800;
473 pub const SO_ACCEPTFILTER: ::c_int = 0x1000;
474 pub const SO_SNDBUF: ::c_int = 0x1001;
475 pub const SO_RCVBUF: ::c_int = 0x1002;
476 pub const SO_SNDLOWAT: ::c_int = 0x1003;
477 pub const SO_RCVLOWAT: ::c_int = 0x1004;
478 pub const SO_SNDTIMEO: ::c_int = 0x1005;
479 pub const SO_RCVTIMEO: ::c_int = 0x1006;
480 pub const SO_ERROR: ::c_int = 0x1007;
481 pub const SO_TYPE: ::c_int = 0x1008;
482 
483 pub const SOCK_CLOEXEC: ::c_int = O_CLOEXEC;
484 
485 pub const INET_ADDRSTRLEN: ::c_int = 16;
486 
487 // https://github.
488 // com/bminor/newlib/blob/master/newlib/libc/sys/linux/include/net/if.h#L121
489 pub const IFF_UP: ::c_int = 0x1; // interface is up
490 pub const IFF_BROADCAST: ::c_int = 0x2; // broadcast address valid
491 pub const IFF_DEBUG: ::c_int = 0x4; // turn on debugging
492 pub const IFF_LOOPBACK: ::c_int = 0x8; // is a loopback net
493 pub const IFF_POINTOPOINT: ::c_int = 0x10; // interface is point-to-point link
494 pub const IFF_NOTRAILERS: ::c_int = 0x20; // avoid use of trailers
495 pub const IFF_RUNNING: ::c_int = 0x40; // resources allocated
496 pub const IFF_NOARP: ::c_int = 0x80; // no address resolution protocol
497 pub const IFF_PROMISC: ::c_int = 0x100; // receive all packets
498 pub const IFF_ALLMULTI: ::c_int = 0x200; // receive all multicast packets
499 pub const IFF_OACTIVE: ::c_int = 0x400; // transmission in progress
500 pub const IFF_SIMPLEX: ::c_int = 0x800; // can't hear own transmissions
501 pub const IFF_LINK0: ::c_int = 0x1000; // per link layer defined bit
502 pub const IFF_LINK1: ::c_int = 0x2000; // per link layer defined bit
503 pub const IFF_LINK2: ::c_int = 0x4000; // per link layer defined bit
504 pub const IFF_ALTPHYS: ::c_int = IFF_LINK2; // use alternate physical connection
505 pub const IFF_MULTICAST: ::c_int = 0x8000; // supports multicast
506 
507 pub const TCP_NODELAY: ::c_int = 8193;
508 pub const TCP_MAXSEG: ::c_int = 8194;
509 pub const TCP_NOPUSH: ::c_int = 4;
510 pub const TCP_NOOPT: ::c_int = 8;
511 pub const TCP_KEEPIDLE: ::c_int = 256;
512 pub const TCP_KEEPINTVL: ::c_int = 512;
513 pub const TCP_KEEPCNT: ::c_int = 1024;
514 
515 pub const IP_TOS: ::c_int = 3;
516 pub const IP_TTL: ::c_int = 8;
517 pub const IP_MULTICAST_IF: ::c_int = 9;
518 pub const IP_MULTICAST_TTL: ::c_int = 10;
519 pub const IP_MULTICAST_LOOP: ::c_int = 11;
520 pub const IP_ADD_MEMBERSHIP: ::c_int = 11;
521 pub const IP_DROP_MEMBERSHIP: ::c_int = 12;
522 
523 pub const IPV6_UNICAST_HOPS: ::c_int = 4;
524 pub const IPV6_MULTICAST_IF: ::c_int = 9;
525 pub const IPV6_MULTICAST_HOPS: ::c_int = 10;
526 pub const IPV6_MULTICAST_LOOP: ::c_int = 11;
527 pub const IPV6_V6ONLY: ::c_int = 27;
528 pub const IPV6_JOIN_GROUP: ::c_int = 12;
529 pub const IPV6_LEAVE_GROUP: ::c_int = 13;
530 pub const IPV6_ADD_MEMBERSHIP: ::c_int = 12;
531 pub const IPV6_DROP_MEMBERSHIP: ::c_int = 13;
532 
533 pub const HOST_NOT_FOUND: ::c_int = 1;
534 pub const NO_DATA: ::c_int = 2;
535 pub const NO_ADDRESS: ::c_int = 2;
536 pub const NO_RECOVERY: ::c_int = 3;
537 pub const TRY_AGAIN: ::c_int = 4;
538 
539 pub const AI_PASSIVE: ::c_int = 1;
540 pub const AI_CANONNAME: ::c_int = 2;
541 pub const AI_NUMERICHOST: ::c_int = 4;
542 pub const AI_NUMERICSERV: ::c_int = 0;
543 pub const AI_ADDRCONFIG: ::c_int = 0;
544 
545 pub const NI_MAXHOST: ::c_int = 1025;
546 pub const NI_MAXSERV: ::c_int = 32;
547 pub const NI_NOFQDN: ::c_int = 1;
548 pub const NI_NUMERICHOST: ::c_int = 2;
549 pub const NI_NAMEREQD: ::c_int = 4;
550 pub const NI_NUMERICSERV: ::c_int = 0;
551 pub const NI_DGRAM: ::c_int = 0;
552 
553 pub const EAI_FAMILY: ::c_int = -303;
554 pub const EAI_MEMORY: ::c_int = -304;
555 pub const EAI_NONAME: ::c_int = -305;
556 pub const EAI_SOCKTYPE: ::c_int = -307;
557 
558 pub const EXIT_SUCCESS: ::c_int = 0;
559 pub const EXIT_FAILURE: ::c_int = 1;
560 
561 pub const PRIO_PROCESS: ::c_int = 0;
562 pub const PRIO_PGRP: ::c_int = 1;
563 pub const PRIO_USER: ::c_int = 2;
564 
565 f! {
566     pub fn FD_CLR(fd: ::c_int, set: *mut fd_set) -> () {
567         let bits = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
568         let fd = fd as usize;
569         (*set).fds_bits[fd / bits] &= !(1 << (fd % bits));
570         return
571     }
572 
573     pub fn FD_ISSET(fd: ::c_int, set: *const fd_set) -> bool {
574         let bits = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
575         let fd = fd as usize;
576         return ((*set).fds_bits[fd / bits] & (1 << (fd % bits))) != 0
577     }
578 
579     pub fn FD_SET(fd: ::c_int, set: *mut fd_set) -> () {
580         let bits = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
581         let fd = fd as usize;
582         (*set).fds_bits[fd / bits] |= 1 << (fd % bits);
583         return
584     }
585 
586     pub fn FD_ZERO(set: *mut fd_set) -> () {
587         for slot in (*set).fds_bits.iter_mut() {
588             *slot = 0;
589         }
590     }
591 }
592 
593 extern "C" {
getrlimit(resource: ::c_int, rlim: *mut ::rlimit) -> ::c_int594     pub fn getrlimit(resource: ::c_int, rlim: *mut ::rlimit) -> ::c_int;
setrlimit(resource: ::c_int, rlim: *const ::rlimit) -> ::c_int595     pub fn setrlimit(resource: ::c_int, rlim: *const ::rlimit) -> ::c_int;
596 
597     #[cfg_attr(target_os = "linux", link_name = "__xpg_strerror_r")]
strerror_r(errnum: ::c_int, buf: *mut c_char, buflen: ::size_t) -> ::c_int598     pub fn strerror_r(errnum: ::c_int, buf: *mut c_char, buflen: ::size_t) -> ::c_int;
599 
sem_destroy(sem: *mut sem_t) -> ::c_int600     pub fn sem_destroy(sem: *mut sem_t) -> ::c_int;
sem_init(sem: *mut sem_t, pshared: ::c_int, value: ::c_uint) -> ::c_int601     pub fn sem_init(sem: *mut sem_t, pshared: ::c_int, value: ::c_uint) -> ::c_int;
602 
abs(i: ::c_int) -> ::c_int603     pub fn abs(i: ::c_int) -> ::c_int;
atof(s: *const ::c_char) -> ::c_double604     pub fn atof(s: *const ::c_char) -> ::c_double;
labs(i: ::c_long) -> ::c_long605     pub fn labs(i: ::c_long) -> ::c_long;
rand() -> ::c_int606     pub fn rand() -> ::c_int;
srand(seed: ::c_uint)607     pub fn srand(seed: ::c_uint);
608 
609     #[cfg(not(all(
610         libc_cfg_target_vendor,
611         target_arch = "powerpc",
612         target_vendor = "nintendo"
613     )))]
614     #[cfg_attr(target_os = "espidf", link_name = "lwip_bind")]
bind(fd: ::c_int, addr: *const sockaddr, len: socklen_t) -> ::c_int615     pub fn bind(fd: ::c_int, addr: *const sockaddr, len: socklen_t) -> ::c_int;
clock_settime(clock_id: ::clockid_t, tp: *const ::timespec) -> ::c_int616     pub fn clock_settime(clock_id: ::clockid_t, tp: *const ::timespec) -> ::c_int;
clock_gettime(clock_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int617     pub fn clock_gettime(clock_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int;
clock_getres(clock_id: ::clockid_t, res: *mut ::timespec) -> ::c_int618     pub fn clock_getres(clock_id: ::clockid_t, res: *mut ::timespec) -> ::c_int;
619     #[cfg_attr(target_os = "espidf", link_name = "lwip_close")]
closesocket(sockfd: ::c_int) -> ::c_int620     pub fn closesocket(sockfd: ::c_int) -> ::c_int;
ioctl(fd: ::c_int, request: ::c_ulong, ...) -> ::c_int621     pub fn ioctl(fd: ::c_int, request: ::c_ulong, ...) -> ::c_int;
622     #[cfg(not(all(
623         libc_cfg_target_vendor,
624         target_arch = "powerpc",
625         target_vendor = "nintendo"
626     )))]
627     #[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, ) -> isize628     pub fn recvfrom(
629         fd: ::c_int,
630         buf: *mut ::c_void,
631         n: usize,
632         flags: ::c_int,
633         addr: *mut sockaddr,
634         addr_len: *mut socklen_t,
635     ) -> isize;
636     #[cfg(not(all(
637         libc_cfg_target_vendor,
638         target_arch = "powerpc",
639         target_vendor = "nintendo"
640     )))]
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_int641     pub fn getnameinfo(
642         sa: *const sockaddr,
643         salen: socklen_t,
644         host: *mut ::c_char,
645         hostlen: socklen_t,
646         serv: *mut ::c_char,
647         servlen: socklen_t,
648         flags: ::c_int,
649     ) -> ::c_int;
memalign(align: ::size_t, size: ::size_t) -> *mut ::c_void650     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_int651     pub fn fexecve(
652         fd: ::c_int,
653         argv: *const *const ::c_char,
654         envp: *const *const ::c_char,
655     ) -> ::c_int;
gettimeofday(tp: *mut ::timeval, tz: *mut ::c_void) -> ::c_int656     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_int657     pub fn getgrgid_r(
658         gid: ::gid_t,
659         grp: *mut ::group,
660         buf: *mut ::c_char,
661         buflen: ::size_t,
662         result: *mut *mut ::group,
663     ) -> ::c_int;
sigaltstack(ss: *const stack_t, oss: *mut stack_t) -> ::c_int664     pub fn sigaltstack(ss: *const stack_t, oss: *mut stack_t) -> ::c_int;
sem_close(sem: *mut sem_t) -> ::c_int665     pub fn sem_close(sem: *mut sem_t) -> ::c_int;
getdtablesize() -> ::c_int666     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_int667     pub fn getgrnam_r(
668         name: *const ::c_char,
669         grp: *mut ::group,
670         buf: *mut ::c_char,
671         buflen: ::size_t,
672         result: *mut *mut ::group,
673     ) -> ::c_int;
pthread_sigmask(how: ::c_int, set: *const sigset_t, oldset: *mut sigset_t) -> ::c_int674     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_t675     pub fn sem_open(name: *const ::c_char, oflag: ::c_int, ...) -> *mut sem_t;
getgrnam(name: *const ::c_char) -> *mut ::group676     pub fn getgrnam(name: *const ::c_char) -> *mut ::group;
pthread_kill(thread: ::pthread_t, sig: ::c_int) -> ::c_int677     pub fn pthread_kill(thread: ::pthread_t, sig: ::c_int) -> ::c_int;
sem_unlink(name: *const ::c_char) -> ::c_int678     pub fn sem_unlink(name: *const ::c_char) -> ::c_int;
daemon(nochdir: ::c_int, noclose: ::c_int) -> ::c_int679     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_int680     pub fn getpwnam_r(
681         name: *const ::c_char,
682         pwd: *mut passwd,
683         buf: *mut ::c_char,
684         buflen: ::size_t,
685         result: *mut *mut passwd,
686     ) -> ::c_int;
getpwuid_r( uid: ::uid_t, pwd: *mut passwd, buf: *mut ::c_char, buflen: ::size_t, result: *mut *mut passwd, ) -> ::c_int687     pub fn getpwuid_r(
688         uid: ::uid_t,
689         pwd: *mut passwd,
690         buf: *mut ::c_char,
691         buflen: ::size_t,
692         result: *mut *mut passwd,
693     ) -> ::c_int;
sigwait(set: *const sigset_t, sig: *mut ::c_int) -> ::c_int694     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_int695     pub fn pthread_atfork(
696         prepare: ::Option<unsafe extern "C" fn()>,
697         parent: ::Option<unsafe extern "C" fn()>,
698         child: ::Option<unsafe extern "C" fn()>,
699     ) -> ::c_int;
getgrgid(gid: ::gid_t) -> *mut ::group700     pub fn getgrgid(gid: ::gid_t) -> *mut ::group;
popen(command: *const c_char, mode: *const c_char) -> *mut ::FILE701     pub fn popen(command: *const c_char, mode: *const c_char) -> *mut ::FILE;
uname(buf: *mut ::utsname) -> ::c_int702     pub fn uname(buf: *mut ::utsname) -> ::c_int;
703 }
704 
705 cfg_if! {
706     if #[cfg(target_os = "espidf")] {
707         mod espidf;
708         pub use self::espidf::*;
709     } else if #[cfg(target_arch = "arm")] {
710         mod arm;
711         pub use self::arm::*;
712     } else if #[cfg(target_arch = "aarch64")] {
713         mod aarch64;
714         pub use self::aarch64::*;
715     } else if #[cfg(target_arch = "powerpc")] {
716         mod powerpc;
717         pub use self::powerpc::*;
718     } else {
719         // Only tested on ARM so far. Other platforms might have different
720         // definitions for types and constants.
721         pub use target_arch_not_implemented;
722     }
723 }
724 
725 cfg_if! {
726     if #[cfg(libc_align)] {
727         #[macro_use]
728         mod align;
729     } else {
730         #[macro_use]
731         mod no_align;
732     }
733 }
734 expand_align!();
735