xref: /third_party/rust/crates/libc/src/wasi.rs (revision 2add0d91) 
1use super::{Send, Sync};
2
3pub use ffi::c_void;
4
5pub type c_char = i8;
6pub type c_uchar = u8;
7pub type c_schar = i8;
8pub type c_int = i32;
9pub type c_uint = u32;
10pub type c_short = i16;
11pub type c_ushort = u16;
12pub type c_long = i32;
13pub type c_ulong = u32;
14pub type c_longlong = i64;
15pub type c_ulonglong = u64;
16pub type intmax_t = i64;
17pub type uintmax_t = u64;
18pub type size_t = usize;
19pub type ssize_t = isize;
20pub type ptrdiff_t = isize;
21pub type intptr_t = isize;
22pub type uintptr_t = usize;
23pub type off_t = i64;
24pub type pid_t = i32;
25pub type clock_t = c_longlong;
26pub type time_t = c_longlong;
27pub type c_double = f64;
28pub type c_float = f32;
29pub type ino_t = u64;
30pub type sigset_t = c_uchar;
31pub type suseconds_t = c_longlong;
32pub type mode_t = u32;
33pub type dev_t = u64;
34pub type uid_t = u32;
35pub type gid_t = u32;
36pub type nlink_t = u64;
37pub type blksize_t = c_long;
38pub type blkcnt_t = i64;
39pub type nfds_t = c_ulong;
40pub type wchar_t = i32;
41pub type nl_item = c_int;
42pub type __wasi_rights_t = u64;
43
44s_no_extra_traits! {
45    #[repr(align(16))]
46    #[allow(missing_debug_implementations)]
47    pub struct max_align_t {
48        priv_: [f64; 4]
49    }
50}
51
52#[allow(missing_copy_implementations)]
53#[cfg_attr(feature = "extra_traits", derive(Debug))]
54pub enum FILE {}
55#[allow(missing_copy_implementations)]
56#[cfg_attr(feature = "extra_traits", derive(Debug))]
57pub enum DIR {}
58#[allow(missing_copy_implementations)]
59#[cfg_attr(feature = "extra_traits", derive(Debug))]
60pub enum __locale_struct {}
61
62pub type locale_t = *mut __locale_struct;
63
64s_paren! {
65    // in wasi-libc clockid_t is const struct __clockid* (where __clockid is an opaque struct),
66    // but that's an implementation detail that we don't want to have to deal with
67    #[repr(transparent)]
68    pub struct clockid_t(*const u8);
69}
70
71unsafe impl Send for clockid_t {}
72unsafe impl Sync for clockid_t {}
73
74s! {
75    #[repr(align(8))]
76    pub struct fpos_t {
77        data: [u8; 16],
78    }
79
80    pub struct tm {
81        pub tm_sec: c_int,
82        pub tm_min: c_int,
83        pub tm_hour: c_int,
84        pub tm_mday: c_int,
85        pub tm_mon: c_int,
86        pub tm_year: c_int,
87        pub tm_wday: c_int,
88        pub tm_yday: c_int,
89        pub tm_isdst: c_int,
90        pub __tm_gmtoff: c_int,
91        pub __tm_zone: *const c_char,
92        pub __tm_nsec: c_int,
93    }
94
95    pub struct timeval {
96        pub tv_sec: time_t,
97        pub tv_usec: suseconds_t,
98    }
99
100    pub struct timespec {
101        pub tv_sec: time_t,
102        pub tv_nsec: c_long,
103    }
104
105    pub struct tms {
106        pub tms_utime: clock_t,
107        pub tms_stime: clock_t,
108        pub tms_cutime: clock_t,
109        pub tms_cstime: clock_t,
110    }
111
112    pub struct itimerspec {
113        pub it_interval: timespec,
114        pub it_value: timespec,
115    }
116
117    pub struct iovec {
118        pub iov_base: *mut c_void,
119        pub iov_len: size_t,
120    }
121
122    pub struct lconv {
123        pub decimal_point: *mut c_char,
124        pub thousands_sep: *mut c_char,
125        pub grouping: *mut c_char,
126        pub int_curr_symbol: *mut c_char,
127        pub currency_symbol: *mut c_char,
128        pub mon_decimal_point: *mut c_char,
129        pub mon_thousands_sep: *mut c_char,
130        pub mon_grouping: *mut c_char,
131        pub positive_sign: *mut c_char,
132        pub negative_sign: *mut c_char,
133        pub int_frac_digits: c_char,
134        pub frac_digits: c_char,
135        pub p_cs_precedes: c_char,
136        pub p_sep_by_space: c_char,
137        pub n_cs_precedes: c_char,
138        pub n_sep_by_space: c_char,
139        pub p_sign_posn: c_char,
140        pub n_sign_posn: c_char,
141        pub int_p_cs_precedes: c_char,
142        pub int_p_sep_by_space: c_char,
143        pub int_n_cs_precedes: c_char,
144        pub int_n_sep_by_space: c_char,
145        pub int_p_sign_posn: c_char,
146        pub int_n_sign_posn: c_char,
147    }
148
149    pub struct pollfd {
150        pub fd: c_int,
151        pub events: c_short,
152        pub revents: c_short,
153    }
154
155    pub struct rusage {
156        pub ru_utime: timeval,
157        pub ru_stime: timeval,
158    }
159
160    pub struct stat {
161        pub st_dev: dev_t,
162        pub st_ino: ino_t,
163        pub st_nlink: nlink_t,
164        pub st_mode: mode_t,
165        pub st_uid: uid_t,
166        pub st_gid: gid_t,
167        __pad0: c_uint,
168        pub st_rdev: dev_t,
169        pub st_size: off_t,
170        pub st_blksize: blksize_t,
171        pub st_blocks: blkcnt_t,
172        pub st_atim: timespec,
173        pub st_mtim: timespec,
174        pub st_ctim: timespec,
175        __reserved: [c_longlong; 3],
176    }
177}
178
179// Declare dirent outside of s! so that it doesn't implement Copy, Eq, Hash,
180// etc., since it contains a flexible array member with a dynamic size.
181#[repr(C)]
182#[allow(missing_copy_implementations)]
183#[cfg_attr(feature = "extra_traits", derive(Debug))]
184pub struct dirent {
185    pub d_ino: ino_t,
186    pub d_type: c_uchar,
187    /// d_name is declared in WASI libc as a flexible array member, which
188    /// can't be directly expressed in Rust. As an imperfect workaround,
189    /// declare it as a zero-length array instead.
190    pub d_name: [c_char; 0],
191}
192
193pub const EXIT_SUCCESS: c_int = 0;
194pub const EXIT_FAILURE: c_int = 1;
195pub const STDIN_FILENO: c_int = 0;
196pub const STDOUT_FILENO: c_int = 1;
197pub const STDERR_FILENO: c_int = 2;
198pub const SEEK_SET: c_int = 0;
199pub const SEEK_CUR: c_int = 1;
200pub const SEEK_END: c_int = 2;
201pub const _IOFBF: c_int = 0;
202pub const _IONBF: c_int = 2;
203pub const _IOLBF: c_int = 1;
204pub const F_GETFD: c_int = 1;
205pub const F_SETFD: c_int = 2;
206pub const F_GETFL: c_int = 3;
207pub const F_SETFL: c_int = 4;
208pub const FD_CLOEXEC: c_int = 1;
209pub const FD_SETSIZE: size_t = 1024;
210pub const O_APPEND: c_int = 0x0001;
211pub const O_DSYNC: c_int = 0x0002;
212pub const O_NONBLOCK: c_int = 0x0004;
213pub const O_RSYNC: c_int = 0x0008;
214pub const O_SYNC: c_int = 0x0010;
215pub const O_CREAT: c_int = 0x0001 << 12;
216pub const O_DIRECTORY: c_int = 0x0002 << 12;
217pub const O_EXCL: c_int = 0x0004 << 12;
218pub const O_TRUNC: c_int = 0x0008 << 12;
219pub const O_NOFOLLOW: c_int = 0x01000000;
220pub const O_EXEC: c_int = 0x02000000;
221pub const O_RDONLY: c_int = 0x04000000;
222pub const O_SEARCH: c_int = 0x08000000;
223pub const O_WRONLY: c_int = 0x10000000;
224pub const O_CLOEXEC: c_int = 0x0;
225pub const O_RDWR: c_int = O_WRONLY | O_RDONLY;
226pub const O_ACCMODE: c_int = O_EXEC | O_RDWR | O_SEARCH;
227pub const O_NOCTTY: c_int = 0x0;
228pub const POSIX_FADV_DONTNEED: c_int = 4;
229pub const POSIX_FADV_NOREUSE: c_int = 5;
230pub const POSIX_FADV_NORMAL: c_int = 0;
231pub const POSIX_FADV_RANDOM: c_int = 2;
232pub const POSIX_FADV_SEQUENTIAL: c_int = 1;
233pub const POSIX_FADV_WILLNEED: c_int = 3;
234pub const AT_FDCWD: ::c_int = -2;
235pub const AT_EACCESS: c_int = 0x0;
236pub const AT_SYMLINK_NOFOLLOW: c_int = 0x1;
237pub const AT_SYMLINK_FOLLOW: c_int = 0x2;
238pub const AT_REMOVEDIR: c_int = 0x4;
239pub const UTIME_OMIT: c_long = 0xfffffffe;
240pub const UTIME_NOW: c_long = 0xffffffff;
241pub const S_IFIFO: mode_t = 49152;
242pub const S_IFCHR: mode_t = 8192;
243pub const S_IFBLK: mode_t = 24576;
244pub const S_IFDIR: mode_t = 16384;
245pub const S_IFREG: mode_t = 32768;
246pub const S_IFLNK: mode_t = 40960;
247pub const S_IFSOCK: mode_t = 49152;
248pub const S_IFMT: mode_t = 57344;
249pub const S_IXOTH: mode_t = 0x1;
250pub const S_IWOTH: mode_t = 0x2;
251pub const S_IROTH: mode_t = 0x4;
252pub const S_IXGRP: mode_t = 0x8;
253pub const S_IWGRP: mode_t = 0x10;
254pub const S_IRGRP: mode_t = 0x20;
255pub const S_IXUSR: mode_t = 0x40;
256pub const S_IWUSR: mode_t = 0x80;
257pub const S_IRUSR: mode_t = 0x100;
258pub const S_ISVTX: mode_t = 0x200;
259pub const S_ISGID: mode_t = 0x400;
260pub const S_ISUID: mode_t = 0x800;
261pub const DT_UNKNOWN: u8 = 0;
262pub const DT_BLK: u8 = 1;
263pub const DT_CHR: u8 = 2;
264pub const DT_DIR: u8 = 3;
265pub const DT_REG: u8 = 4;
266pub const DT_LNK: u8 = 7;
267pub const FIONREAD: c_int = 1;
268pub const FIONBIO: c_int = 2;
269pub const F_OK: ::c_int = 0;
270pub const R_OK: ::c_int = 4;
271pub const W_OK: ::c_int = 2;
272pub const X_OK: ::c_int = 1;
273pub const POLLIN: ::c_short = 0x1;
274pub const POLLOUT: ::c_short = 0x2;
275pub const POLLERR: ::c_short = 0x1000;
276pub const POLLHUP: ::c_short = 0x2000;
277pub const POLLNVAL: ::c_short = 0x4000;
278pub const POLLRDNORM: ::c_short = 0x1;
279pub const POLLWRNORM: ::c_short = 0x2;
280
281pub const E2BIG: c_int = 1;
282pub const EACCES: c_int = 2;
283pub const EADDRINUSE: c_int = 3;
284pub const EADDRNOTAVAIL: c_int = 4;
285pub const EAFNOSUPPORT: c_int = 5;
286pub const EAGAIN: c_int = 6;
287pub const EALREADY: c_int = 7;
288pub const EBADF: c_int = 8;
289pub const EBADMSG: c_int = 9;
290pub const EBUSY: c_int = 10;
291pub const ECANCELED: c_int = 11;
292pub const ECHILD: c_int = 12;
293pub const ECONNABORTED: c_int = 13;
294pub const ECONNREFUSED: c_int = 14;
295pub const ECONNRESET: c_int = 15;
296pub const EDEADLK: c_int = 16;
297pub const EDESTADDRREQ: c_int = 17;
298pub const EDOM: c_int = 18;
299pub const EDQUOT: c_int = 19;
300pub const EEXIST: c_int = 20;
301pub const EFAULT: c_int = 21;
302pub const EFBIG: c_int = 22;
303pub const EHOSTUNREACH: c_int = 23;
304pub const EIDRM: c_int = 24;
305pub const EILSEQ: c_int = 25;
306pub const EINPROGRESS: c_int = 26;
307pub const EINTR: c_int = 27;
308pub const EINVAL: c_int = 28;
309pub const EIO: c_int = 29;
310pub const EISCONN: c_int = 30;
311pub const EISDIR: c_int = 31;
312pub const ELOOP: c_int = 32;
313pub const EMFILE: c_int = 33;
314pub const EMLINK: c_int = 34;
315pub const EMSGSIZE: c_int = 35;
316pub const EMULTIHOP: c_int = 36;
317pub const ENAMETOOLONG: c_int = 37;
318pub const ENETDOWN: c_int = 38;
319pub const ENETRESET: c_int = 39;
320pub const ENETUNREACH: c_int = 40;
321pub const ENFILE: c_int = 41;
322pub const ENOBUFS: c_int = 42;
323pub const ENODEV: c_int = 43;
324pub const ENOENT: c_int = 44;
325pub const ENOEXEC: c_int = 45;
326pub const ENOLCK: c_int = 46;
327pub const ENOLINK: c_int = 47;
328pub const ENOMEM: c_int = 48;
329pub const ENOMSG: c_int = 49;
330pub const ENOPROTOOPT: c_int = 50;
331pub const ENOSPC: c_int = 51;
332pub const ENOSYS: c_int = 52;
333pub const ENOTCONN: c_int = 53;
334pub const ENOTDIR: c_int = 54;
335pub const ENOTEMPTY: c_int = 55;
336pub const ENOTRECOVERABLE: c_int = 56;
337pub const ENOTSOCK: c_int = 57;
338pub const ENOTSUP: c_int = 58;
339pub const ENOTTY: c_int = 59;
340pub const ENXIO: c_int = 60;
341pub const EOVERFLOW: c_int = 61;
342pub const EOWNERDEAD: c_int = 62;
343pub const EPERM: c_int = 63;
344pub const EPIPE: c_int = 64;
345pub const EPROTO: c_int = 65;
346pub const EPROTONOSUPPORT: c_int = 66;
347pub const EPROTOTYPE: c_int = 67;
348pub const ERANGE: c_int = 68;
349pub const EROFS: c_int = 69;
350pub const ESPIPE: c_int = 70;
351pub const ESRCH: c_int = 71;
352pub const ESTALE: c_int = 72;
353pub const ETIMEDOUT: c_int = 73;
354pub const ETXTBSY: c_int = 74;
355pub const EXDEV: c_int = 75;
356pub const ENOTCAPABLE: c_int = 76;
357pub const EOPNOTSUPP: c_int = ENOTSUP;
358pub const EWOULDBLOCK: c_int = EAGAIN;
359
360pub const _SC_PAGESIZE: c_int = 30;
361pub const _SC_PAGE_SIZE: ::c_int = _SC_PAGESIZE;
362pub const _SC_IOV_MAX: c_int = 60;
363pub const _SC_SYMLOOP_MAX: c_int = 173;
364
365pub static CLOCK_MONOTONIC: clockid_t = unsafe { clockid_t(ptr_addr_of!(_CLOCK_MONOTONIC)) };
366pub static CLOCK_PROCESS_CPUTIME_ID: clockid_t =
367    unsafe { clockid_t(ptr_addr_of!(_CLOCK_PROCESS_CPUTIME_ID)) };
368pub static CLOCK_REALTIME: clockid_t = unsafe { clockid_t(ptr_addr_of!(_CLOCK_REALTIME)) };
369pub static CLOCK_THREAD_CPUTIME_ID: clockid_t =
370    unsafe { clockid_t(ptr_addr_of!(_CLOCK_THREAD_CPUTIME_ID)) };
371
372pub const ABDAY_1: ::nl_item = 0x20000;
373pub const ABDAY_2: ::nl_item = 0x20001;
374pub const ABDAY_3: ::nl_item = 0x20002;
375pub const ABDAY_4: ::nl_item = 0x20003;
376pub const ABDAY_5: ::nl_item = 0x20004;
377pub const ABDAY_6: ::nl_item = 0x20005;
378pub const ABDAY_7: ::nl_item = 0x20006;
379
380pub const DAY_1: ::nl_item = 0x20007;
381pub const DAY_2: ::nl_item = 0x20008;
382pub const DAY_3: ::nl_item = 0x20009;
383pub const DAY_4: ::nl_item = 0x2000A;
384pub const DAY_5: ::nl_item = 0x2000B;
385pub const DAY_6: ::nl_item = 0x2000C;
386pub const DAY_7: ::nl_item = 0x2000D;
387
388pub const ABMON_1: ::nl_item = 0x2000E;
389pub const ABMON_2: ::nl_item = 0x2000F;
390pub const ABMON_3: ::nl_item = 0x20010;
391pub const ABMON_4: ::nl_item = 0x20011;
392pub const ABMON_5: ::nl_item = 0x20012;
393pub const ABMON_6: ::nl_item = 0x20013;
394pub const ABMON_7: ::nl_item = 0x20014;
395pub const ABMON_8: ::nl_item = 0x20015;
396pub const ABMON_9: ::nl_item = 0x20016;
397pub const ABMON_10: ::nl_item = 0x20017;
398pub const ABMON_11: ::nl_item = 0x20018;
399pub const ABMON_12: ::nl_item = 0x20019;
400
401pub const MON_1: ::nl_item = 0x2001A;
402pub const MON_2: ::nl_item = 0x2001B;
403pub const MON_3: ::nl_item = 0x2001C;
404pub const MON_4: ::nl_item = 0x2001D;
405pub const MON_5: ::nl_item = 0x2001E;
406pub const MON_6: ::nl_item = 0x2001F;
407pub const MON_7: ::nl_item = 0x20020;
408pub const MON_8: ::nl_item = 0x20021;
409pub const MON_9: ::nl_item = 0x20022;
410pub const MON_10: ::nl_item = 0x20023;
411pub const MON_11: ::nl_item = 0x20024;
412pub const MON_12: ::nl_item = 0x20025;
413
414pub const AM_STR: ::nl_item = 0x20026;
415pub const PM_STR: ::nl_item = 0x20027;
416
417pub const D_T_FMT: ::nl_item = 0x20028;
418pub const D_FMT: ::nl_item = 0x20029;
419pub const T_FMT: ::nl_item = 0x2002A;
420pub const T_FMT_AMPM: ::nl_item = 0x2002B;
421
422pub const ERA: ::nl_item = 0x2002C;
423pub const ERA_D_FMT: ::nl_item = 0x2002E;
424pub const ALT_DIGITS: ::nl_item = 0x2002F;
425pub const ERA_D_T_FMT: ::nl_item = 0x20030;
426pub const ERA_T_FMT: ::nl_item = 0x20031;
427
428pub const CODESET: ::nl_item = 14;
429pub const CRNCYSTR: ::nl_item = 0x4000F;
430pub const RADIXCHAR: ::nl_item = 0x10000;
431pub const THOUSEP: ::nl_item = 0x10001;
432pub const YESEXPR: ::nl_item = 0x50000;
433pub const NOEXPR: ::nl_item = 0x50001;
434pub const YESSTR: ::nl_item = 0x50002;
435pub const NOSTR: ::nl_item = 0x50003;
436
437#[cfg_attr(
438    feature = "rustc-dep-of-std",
439    link(
440        name = "c",
441        kind = "static",
442        modifiers = "-bundle",
443        cfg(target_feature = "crt-static")
444    )
445)]
446#[cfg_attr(
447    feature = "rustc-dep-of-std",
448    link(name = "c", cfg(not(target_feature = "crt-static")))
449)]
450extern "C" {
451    pub fn _Exit(code: c_int) -> !;
452    pub fn _exit(code: c_int) -> !;
453    pub fn abort() -> !;
454    pub fn aligned_alloc(a: size_t, b: size_t) -> *mut c_void;
455    pub fn calloc(amt: size_t, amt2: size_t) -> *mut c_void;
456    pub fn exit(code: c_int) -> !;
457    pub fn free(ptr: *mut c_void);
458    pub fn getenv(s: *const c_char) -> *mut c_char;
459    pub fn malloc(amt: size_t) -> *mut c_void;
460    pub fn malloc_usable_size(ptr: *mut c_void) -> size_t;
461    pub fn sbrk(increment: ::intptr_t) -> *mut ::c_void;
462    pub fn rand() -> c_int;
463    pub fn read(fd: c_int, ptr: *mut c_void, size: size_t) -> ssize_t;
464    pub fn realloc(ptr: *mut c_void, amt: size_t) -> *mut c_void;
465    pub fn setenv(k: *const c_char, v: *const c_char, a: c_int) -> c_int;
466    pub fn unsetenv(k: *const c_char) -> c_int;
467    pub fn clearenv() -> ::c_int;
468    pub fn write(fd: c_int, ptr: *const c_void, size: size_t) -> ssize_t;
469    pub static mut environ: *mut *mut c_char;
470    pub fn fopen(a: *const c_char, b: *const c_char) -> *mut FILE;
471    pub fn freopen(a: *const c_char, b: *const c_char, f: *mut FILE) -> *mut FILE;
472    pub fn fclose(f: *mut FILE) -> c_int;
473    pub fn remove(a: *const c_char) -> c_int;
474    pub fn rename(a: *const c_char, b: *const c_char) -> c_int;
475    pub fn feof(f: *mut FILE) -> c_int;
476    pub fn ferror(f: *mut FILE) -> c_int;
477    pub fn fflush(f: *mut FILE) -> c_int;
478    pub fn clearerr(f: *mut FILE);
479    pub fn fseek(f: *mut FILE, b: c_long, c: c_int) -> c_int;
480    pub fn ftell(f: *mut FILE) -> c_long;
481    pub fn rewind(f: *mut FILE);
482    pub fn fgetpos(f: *mut FILE, pos: *mut fpos_t) -> c_int;
483    pub fn fsetpos(f: *mut FILE, pos: *const fpos_t) -> c_int;
484    pub fn fread(buf: *mut c_void, a: size_t, b: size_t, f: *mut FILE) -> size_t;
485    pub fn fwrite(buf: *const c_void, a: size_t, b: size_t, f: *mut FILE) -> size_t;
486    pub fn fgetc(f: *mut FILE) -> c_int;
487    pub fn getc(f: *mut FILE) -> c_int;
488    pub fn getchar() -> c_int;
489    pub fn ungetc(a: c_int, f: *mut FILE) -> c_int;
490    pub fn fputc(a: c_int, f: *mut FILE) -> c_int;
491    pub fn putc(a: c_int, f: *mut FILE) -> c_int;
492    pub fn putchar(a: c_int) -> c_int;
493    pub fn fputs(a: *const c_char, f: *mut FILE) -> c_int;
494    pub fn puts(a: *const c_char) -> c_int;
495    pub fn perror(a: *const c_char);
496    pub fn srand(a: c_uint);
497    pub fn atexit(a: extern "C" fn()) -> c_int;
498    pub fn at_quick_exit(a: extern "C" fn()) -> c_int;
499    pub fn quick_exit(a: c_int) -> !;
500    pub fn posix_memalign(a: *mut *mut c_void, b: size_t, c: size_t) -> c_int;
501    pub fn rand_r(a: *mut c_uint) -> c_int;
502    pub fn random() -> c_long;
503    pub fn srandom(a: c_uint);
504    pub fn putenv(a: *mut c_char) -> c_int;
505    pub fn clock() -> clock_t;
506    pub fn time(a: *mut time_t) -> time_t;
507    pub fn difftime(a: time_t, b: time_t) -> c_double;
508    pub fn mktime(a: *mut tm) -> time_t;
509    pub fn strftime(a: *mut c_char, b: size_t, c: *const c_char, d: *const tm) -> size_t;
510    pub fn gmtime(a: *const time_t) -> *mut tm;
511    pub fn gmtime_r(a: *const time_t, b: *mut tm) -> *mut tm;
512    pub fn localtime(a: *const time_t) -> *mut tm;
513    pub fn localtime_r(a: *const time_t, b: *mut tm) -> *mut tm;
514    pub fn asctime_r(a: *const tm, b: *mut c_char) -> *mut c_char;
515    pub fn ctime_r(a: *const time_t, b: *mut c_char) -> *mut c_char;
516
517    static _CLOCK_MONOTONIC: u8;
518    static _CLOCK_PROCESS_CPUTIME_ID: u8;
519    static _CLOCK_REALTIME: u8;
520    static _CLOCK_THREAD_CPUTIME_ID: u8;
521    pub fn nanosleep(a: *const timespec, b: *mut timespec) -> c_int;
522    pub fn clock_getres(a: clockid_t, b: *mut timespec) -> c_int;
523    pub fn clock_gettime(a: clockid_t, b: *mut timespec) -> c_int;
524    pub fn clock_nanosleep(a: clockid_t, a2: c_int, b: *const timespec, c: *mut timespec) -> c_int;
525
526    pub fn isalnum(c: c_int) -> c_int;
527    pub fn isalpha(c: c_int) -> c_int;
528    pub fn iscntrl(c: c_int) -> c_int;
529    pub fn isdigit(c: c_int) -> c_int;
530    pub fn isgraph(c: c_int) -> c_int;
531    pub fn islower(c: c_int) -> c_int;
532    pub fn isprint(c: c_int) -> c_int;
533    pub fn ispunct(c: c_int) -> c_int;
534    pub fn isspace(c: c_int) -> c_int;
535    pub fn isupper(c: c_int) -> c_int;
536    pub fn isxdigit(c: c_int) -> c_int;
537    pub fn isblank(c: c_int) -> c_int;
538    pub fn tolower(c: c_int) -> c_int;
539    pub fn toupper(c: c_int) -> c_int;
540    pub fn setvbuf(stream: *mut FILE, buffer: *mut c_char, mode: c_int, size: size_t) -> c_int;
541    pub fn setbuf(stream: *mut FILE, buf: *mut c_char);
542    pub fn fgets(buf: *mut c_char, n: c_int, stream: *mut FILE) -> *mut c_char;
543    pub fn atof(s: *const c_char) -> c_double;
544    pub fn atoi(s: *const c_char) -> c_int;
545    pub fn atol(s: *const c_char) -> c_long;
546    pub fn atoll(s: *const c_char) -> c_longlong;
547    pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double;
548    pub fn strtof(s: *const c_char, endp: *mut *mut c_char) -> c_float;
549    pub fn strtol(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_long;
550    pub fn strtoll(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_longlong;
551    pub fn strtoul(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_ulong;
552    pub fn strtoull(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_ulonglong;
553
554    pub fn strcpy(dst: *mut c_char, src: *const c_char) -> *mut c_char;
555    pub fn strncpy(dst: *mut c_char, src: *const c_char, n: size_t) -> *mut c_char;
556    pub fn strcat(s: *mut c_char, ct: *const c_char) -> *mut c_char;
557    pub fn strncat(s: *mut c_char, ct: *const c_char, n: size_t) -> *mut c_char;
558    pub fn strcmp(cs: *const c_char, ct: *const c_char) -> c_int;
559    pub fn strncmp(cs: *const c_char, ct: *const c_char, n: size_t) -> c_int;
560    pub fn strcoll(cs: *const c_char, ct: *const c_char) -> c_int;
561    pub fn strchr(cs: *const c_char, c: c_int) -> *mut c_char;
562    pub fn strrchr(cs: *const c_char, c: c_int) -> *mut c_char;
563    pub fn strspn(cs: *const c_char, ct: *const c_char) -> size_t;
564    pub fn strcspn(cs: *const c_char, ct: *const c_char) -> size_t;
565    pub fn strdup(cs: *const c_char) -> *mut c_char;
566    pub fn strndup(cs: *const c_char, n: size_t) -> *mut c_char;
567    pub fn strpbrk(cs: *const c_char, ct: *const c_char) -> *mut c_char;
568    pub fn strstr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
569    pub fn strcasecmp(s1: *const c_char, s2: *const c_char) -> c_int;
570    pub fn strncasecmp(s1: *const c_char, s2: *const c_char, n: size_t) -> c_int;
571    pub fn strlen(cs: *const c_char) -> size_t;
572    pub fn strnlen(cs: *const c_char, maxlen: size_t) -> size_t;
573    pub fn strerror(n: c_int) -> *mut c_char;
574    pub fn strtok(s: *mut c_char, t: *const c_char) -> *mut c_char;
575    pub fn strxfrm(s: *mut c_char, ct: *const c_char, n: size_t) -> size_t;
576
577    pub fn memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
578    pub fn memcmp(cx: *const c_void, ct: *const c_void, n: size_t) -> c_int;
579    pub fn memcpy(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
580    pub fn memmove(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
581    pub fn memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void;
582
583    pub fn fprintf(stream: *mut ::FILE, format: *const ::c_char, ...) -> ::c_int;
584    pub fn printf(format: *const ::c_char, ...) -> ::c_int;
585    pub fn snprintf(s: *mut ::c_char, n: ::size_t, format: *const ::c_char, ...) -> ::c_int;
586    pub fn sprintf(s: *mut ::c_char, format: *const ::c_char, ...) -> ::c_int;
587    pub fn fscanf(stream: *mut ::FILE, format: *const ::c_char, ...) -> ::c_int;
588    pub fn scanf(format: *const ::c_char, ...) -> ::c_int;
589    pub fn sscanf(s: *const ::c_char, format: *const ::c_char, ...) -> ::c_int;
590    pub fn getchar_unlocked() -> ::c_int;
591    pub fn putchar_unlocked(c: ::c_int) -> ::c_int;
592
593    pub fn shutdown(socket: ::c_int, how: ::c_int) -> ::c_int;
594    pub fn fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int;
595    pub fn mkdir(path: *const c_char, mode: mode_t) -> ::c_int;
596    pub fn stat(path: *const c_char, buf: *mut stat) -> ::c_int;
597    pub fn fdopen(fd: ::c_int, mode: *const c_char) -> *mut ::FILE;
598    pub fn fileno(stream: *mut ::FILE) -> ::c_int;
599    pub fn open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
600    pub fn creat(path: *const c_char, mode: mode_t) -> ::c_int;
601    pub fn fcntl(fd: ::c_int, cmd: ::c_int, ...) -> ::c_int;
602    pub fn opendir(dirname: *const c_char) -> *mut ::DIR;
603    pub fn fdopendir(fd: ::c_int) -> *mut ::DIR;
604    pub fn readdir(dirp: *mut ::DIR) -> *mut ::dirent;
605    pub fn closedir(dirp: *mut ::DIR) -> ::c_int;
606    pub fn rewinddir(dirp: *mut ::DIR);
607    pub fn dirfd(dirp: *mut ::DIR) -> ::c_int;
608    pub fn seekdir(dirp: *mut ::DIR, loc: ::c_long);
609    pub fn telldir(dirp: *mut ::DIR) -> ::c_long;
610
611    pub fn openat(dirfd: ::c_int, pathname: *const ::c_char, flags: ::c_int, ...) -> ::c_int;
612    pub fn fstatat(
613        dirfd: ::c_int,
614        pathname: *const ::c_char,
615        buf: *mut stat,
616        flags: ::c_int,
617    ) -> ::c_int;
618    pub fn linkat(
619        olddirfd: ::c_int,
620        oldpath: *const ::c_char,
621        newdirfd: ::c_int,
622        newpath: *const ::c_char,
623        flags: ::c_int,
624    ) -> ::c_int;
625    pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char, mode: ::mode_t) -> ::c_int;
626    pub fn readlinkat(
627        dirfd: ::c_int,
628        pathname: *const ::c_char,
629        buf: *mut ::c_char,
630        bufsiz: ::size_t,
631    ) -> ::ssize_t;
632    pub fn renameat(
633        olddirfd: ::c_int,
634        oldpath: *const ::c_char,
635        newdirfd: ::c_int,
636        newpath: *const ::c_char,
637    ) -> ::c_int;
638    pub fn symlinkat(
639        target: *const ::c_char,
640        newdirfd: ::c_int,
641        linkpath: *const ::c_char,
642    ) -> ::c_int;
643    pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char, flags: ::c_int) -> ::c_int;
644
645    pub fn access(path: *const c_char, amode: ::c_int) -> ::c_int;
646    pub fn close(fd: ::c_int) -> ::c_int;
647    pub fn fpathconf(filedes: ::c_int, name: ::c_int) -> c_long;
648    pub fn getopt(argc: ::c_int, argv: *const *mut c_char, optstr: *const c_char) -> ::c_int;
649    pub fn isatty(fd: ::c_int) -> ::c_int;
650    pub fn link(src: *const c_char, dst: *const c_char) -> ::c_int;
651    pub fn lseek(fd: ::c_int, offset: off_t, whence: ::c_int) -> off_t;
652    pub fn pathconf(path: *const c_char, name: ::c_int) -> c_long;
653    pub fn rmdir(path: *const c_char) -> ::c_int;
654    pub fn sleep(secs: ::c_uint) -> ::c_uint;
655    pub fn unlink(c: *const c_char) -> ::c_int;
656    pub fn pread(fd: ::c_int, buf: *mut ::c_void, count: ::size_t, offset: off_t) -> ::ssize_t;
657    pub fn pwrite(fd: ::c_int, buf: *const ::c_void, count: ::size_t, offset: off_t) -> ::ssize_t;
658
659    pub fn lstat(path: *const c_char, buf: *mut stat) -> ::c_int;
660
661    pub fn fsync(fd: ::c_int) -> ::c_int;
662    pub fn fdatasync(fd: ::c_int) -> ::c_int;
663
664    pub fn symlink(path1: *const c_char, path2: *const c_char) -> ::c_int;
665
666    pub fn truncate(path: *const c_char, length: off_t) -> ::c_int;
667    pub fn ftruncate(fd: ::c_int, length: off_t) -> ::c_int;
668
669    pub fn getrusage(resource: ::c_int, usage: *mut rusage) -> ::c_int;
670
671    pub fn gettimeofday(tp: *mut ::timeval, tz: *mut ::c_void) -> ::c_int;
672    pub fn times(buf: *mut ::tms) -> ::clock_t;
673
674    pub fn strerror_r(errnum: ::c_int, buf: *mut c_char, buflen: ::size_t) -> ::c_int;
675
676    pub fn usleep(secs: ::c_uint) -> ::c_int;
677    pub fn send(socket: ::c_int, buf: *const ::c_void, len: ::size_t, flags: ::c_int) -> ::ssize_t;
678    pub fn recv(socket: ::c_int, buf: *mut ::c_void, len: ::size_t, flags: ::c_int) -> ::ssize_t;
679    pub fn poll(fds: *mut pollfd, nfds: nfds_t, timeout: ::c_int) -> ::c_int;
680    pub fn setlocale(category: ::c_int, locale: *const ::c_char) -> *mut ::c_char;
681    pub fn localeconv() -> *mut lconv;
682
683    pub fn readlink(path: *const c_char, buf: *mut c_char, bufsz: ::size_t) -> ::ssize_t;
684
685    pub fn timegm(tm: *mut ::tm) -> time_t;
686
687    pub fn sysconf(name: ::c_int) -> ::c_long;
688
689    pub fn ioctl(fd: ::c_int, request: ::c_int, ...) -> ::c_int;
690
691    pub fn fseeko(stream: *mut ::FILE, offset: ::off_t, whence: ::c_int) -> ::c_int;
692    pub fn ftello(stream: *mut ::FILE) -> ::off_t;
693    pub fn posix_fallocate(fd: ::c_int, offset: ::off_t, len: ::off_t) -> ::c_int;
694
695    pub fn strcasestr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
696    pub fn getline(lineptr: *mut *mut c_char, n: *mut size_t, stream: *mut FILE) -> ssize_t;
697
698    pub fn faccessat(
699        dirfd: ::c_int,
700        pathname: *const ::c_char,
701        mode: ::c_int,
702        flags: ::c_int,
703    ) -> ::c_int;
704    pub fn writev(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t;
705    pub fn readv(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t;
706    pub fn pwritev(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int, offset: ::off_t)
707        -> ::ssize_t;
708    pub fn preadv(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int, offset: ::off_t) -> ::ssize_t;
709    pub fn posix_fadvise(fd: ::c_int, offset: ::off_t, len: ::off_t, advise: ::c_int) -> ::c_int;
710    pub fn futimens(fd: ::c_int, times: *const ::timespec) -> ::c_int;
711    pub fn utimensat(
712        dirfd: ::c_int,
713        path: *const ::c_char,
714        times: *const ::timespec,
715        flag: ::c_int,
716    ) -> ::c_int;
717    pub fn getentropy(buf: *mut ::c_void, buflen: ::size_t) -> ::c_int;
718    pub fn memrchr(cx: *const ::c_void, c: ::c_int, n: ::size_t) -> *mut ::c_void;
719    pub fn abs(i: c_int) -> c_int;
720    pub fn labs(i: c_long) -> c_long;
721    pub fn duplocale(base: ::locale_t) -> ::locale_t;
722    pub fn freelocale(loc: ::locale_t);
723    pub fn newlocale(mask: ::c_int, locale: *const ::c_char, base: ::locale_t) -> ::locale_t;
724    pub fn uselocale(loc: ::locale_t) -> ::locale_t;
725    pub fn sched_yield() -> ::c_int;
726    pub fn getcwd(buf: *mut c_char, size: ::size_t) -> *mut c_char;
727    pub fn chdir(dir: *const c_char) -> ::c_int;
728
729    pub fn nl_langinfo(item: ::nl_item) -> *mut ::c_char;
730    pub fn nl_langinfo_l(item: ::nl_item, loc: ::locale_t) -> *mut ::c_char;
731
732    pub fn __wasilibc_register_preopened_fd(fd: c_int, path: *const c_char) -> c_int;
733    pub fn __wasilibc_fd_renumber(fd: c_int, newfd: c_int) -> c_int;
734    pub fn __wasilibc_unlinkat(fd: c_int, path: *const c_char) -> c_int;
735    pub fn __wasilibc_rmdirat(fd: c_int, path: *const c_char) -> c_int;
736    pub fn __wasilibc_find_relpath(
737        path: *const c_char,
738        abs_prefix: *mut *const c_char,
739        relative_path: *mut *mut c_char,
740        relative_path_len: usize,
741    ) -> c_int;
742    pub fn __wasilibc_tell(fd: c_int) -> ::off_t;
743    pub fn __wasilibc_nocwd___wasilibc_unlinkat(dirfd: c_int, path: *const c_char) -> c_int;
744    pub fn __wasilibc_nocwd___wasilibc_rmdirat(dirfd: c_int, path: *const c_char) -> c_int;
745    pub fn __wasilibc_nocwd_linkat(
746        olddirfd: c_int,
747        oldpath: *const c_char,
748        newdirfd: c_int,
749        newpath: *const c_char,
750        flags: c_int,
751    ) -> c_int;
752    pub fn __wasilibc_nocwd_symlinkat(
753        target: *const c_char,
754        dirfd: c_int,
755        path: *const c_char,
756    ) -> c_int;
757    pub fn __wasilibc_nocwd_readlinkat(
758        dirfd: c_int,
759        path: *const c_char,
760        buf: *mut c_char,
761        bufsize: usize,
762    ) -> isize;
763    pub fn __wasilibc_nocwd_faccessat(
764        dirfd: c_int,
765        path: *const c_char,
766        mode: c_int,
767        flags: c_int,
768    ) -> c_int;
769    pub fn __wasilibc_nocwd_renameat(
770        olddirfd: c_int,
771        oldpath: *const c_char,
772        newdirfd: c_int,
773        newpath: *const c_char,
774    ) -> c_int;
775    pub fn __wasilibc_nocwd_openat_nomode(dirfd: c_int, path: *const c_char, flags: c_int)
776        -> c_int;
777    pub fn __wasilibc_nocwd_fstatat(
778        dirfd: c_int,
779        path: *const c_char,
780        buf: *mut stat,
781        flags: c_int,
782    ) -> c_int;
783    pub fn __wasilibc_nocwd_mkdirat_nomode(dirfd: c_int, path: *const c_char) -> c_int;
784    pub fn __wasilibc_nocwd_utimensat(
785        dirfd: c_int,
786        path: *const c_char,
787        times: *const ::timespec,
788        flags: c_int,
789    ) -> c_int;
790    pub fn __wasilibc_nocwd_opendirat(dirfd: c_int, path: *const c_char) -> *mut ::DIR;
791    pub fn __wasilibc_access(pathname: *const c_char, mode: c_int, flags: c_int) -> c_int;
792    pub fn __wasilibc_stat(pathname: *const c_char, buf: *mut stat, flags: c_int) -> c_int;
793    pub fn __wasilibc_utimens(
794        pathname: *const c_char,
795        times: *const ::timespec,
796        flags: c_int,
797    ) -> c_int;
798    pub fn __wasilibc_link(oldpath: *const c_char, newpath: *const c_char, flags: c_int) -> c_int;
799    pub fn __wasilibc_link_oldat(
800        olddirfd: c_int,
801        oldpath: *const c_char,
802        newpath: *const c_char,
803        flags: c_int,
804    ) -> c_int;
805    pub fn __wasilibc_link_newat(
806        oldpath: *const c_char,
807        newdirfd: c_int,
808        newpath: *const c_char,
809        flags: c_int,
810    ) -> c_int;
811    pub fn __wasilibc_rename_oldat(
812        olddirfd: c_int,
813        oldpath: *const c_char,
814        newpath: *const c_char,
815    ) -> c_int;
816    pub fn __wasilibc_rename_newat(
817        oldpath: *const c_char,
818        newdirfd: c_int,
819        newpath: *const c_char,
820    ) -> c_int;
821
822    pub fn arc4random() -> u32;
823    pub fn arc4random_buf(a: *mut c_void, b: size_t);
824    pub fn arc4random_uniform(a: u32) -> u32;
825}
826