3456     pub fn fopen(filename: *const c_char, mode: *const c_char) -> *mut FILE;  in fopen()
3457     pub fn freopen(filename: *const c_char, mode: *const c_char, file: *mut FILE) -> *mut FILE;  in freopen()
3461     pub fn rename(oldname: *const c_char, newname: *const c_char) -> c_int;  in rename()
3463     pub fn setvbuf(stream: *mut FILE, buffer: *mut c_char, mode: c_int, size: size_t) -> c_int;  in setvbuf()
3464     pub fn setbuf(stream: *mut FILE, buf: *mut c_char);  in setbuf()
3468     pub fn fgets(buf: *mut c_char, n: c_int, stream: *mut FILE) -> *mut c_char;  in fgets()
3470     pub fn fputs(s: *const c_char, stream: *mut FILE) -> c_int;  in fputs()
3482     pub fn perror(s: *const c_char);  in perror()
3487     pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double;  in strtod()
3488     pub fn strtof(s: *const c_char, endp: *mut *mut c_char) -> c_float;  in strtof()
3489     pub fn strtol(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_long;  in strtol()
3490     pub fn strtoll(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_longlong;  in strtoll()
3491     pub fn strtoul(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_ulong;  in strtoul()
3492     pub fn strtoull(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_ulonglong;  in strtoull()
3502     pub fn getenv(s: *const c_char) -> *mut c_char;  in getenv()
3504     pub fn strcpy(dst: *mut c_char, src: *const c_char) -> *mut c_char;  in strcpy()
3505     pub fn strncpy(dst: *mut c_char, src: *const c_char, n: size_t) -> *mut c_char;  in strncpy()
3506     pub fn strcat(s: *mut c_char, ct: *const c_char) -> *mut c_char;  in strcat()
3507     pub fn strncat(s: *mut c_char, ct: *const c_char, n: size_t) -> *mut c_char;  in strncat()
3508     pub fn strcmp(cs: *const c_char, ct: *const c_char) -> c_int;  in strcmp()
3509     pub fn strncmp(cs: *const c_char, ct: *const c_char, n: size_t) -> c_int;  in strncmp()
3510     pub fn strcoll(cs: *const c_char, ct: *const c_char) -> c_int;  in strcoll()
3511     pub fn strchr(cs: *const c_char, c: c_int) -> *mut c_char;  in strchr()
3512     pub fn strrchr(cs: *const c_char, c: c_int) -> *mut c_char;  in strrchr()
3513     pub fn strspn(cs: *const c_char, ct: *const c_char) -> size_t;  in strspn()
3514     pub fn strcspn(cs: *const c_char, ct: *const c_char) -> size_t;  in strcspn()
3515     pub fn strdup(cs: *const c_char) -> *mut c_char;  in strdup()
3516     pub fn strpbrk(cs: *const c_char, ct: *const c_char) -> *mut c_char;  in strpbrk()
3517     pub fn strstr(cs: *const c_char, ct: *const c_char) -> *mut c_char;  in strstr()
3519     pub fn strnlen(cs: *const c_char, maxlen: size_t) -> size_t;  in strnlen()
3520     pub fn strerror(n: c_int) -> *mut c_char;  in strerror()
3521     pub fn strtok(s: *mut c_char, t: *const c_char) -> *mut c_char;  in strtok()
3522     pub fn strxfrm(s: *mut c_char, ct: *const c_char, n: size_t) -> size_t;  in strxfrm()
3524     pub fn wcstombs(dest: *mut c_char, src: *const wchar_t, n: size_t) -> size_t;  in wcstombs()
3541     pub fn fprintf(stream: *mut crate::FILE, format: *const c_char, ...) -> c_int;  in fprintf()
3542     pub fn printf(format: *const c_char, ...) -> c_int;  in printf()
3543     pub fn snprintf(s: *mut c_char, n: size_t, format: *const c_char, ...) -> c_int;  in snprintf()
3544     pub fn sprintf(s: *mut c_char, format: *const c_char, ...) -> c_int;  in sprintf()
3545     pub fn fscanf(stream: *mut crate::FILE, format: *const c_char, ...) -> c_int;  in fscanf()
3546     pub fn scanf(format: *const c_char, ...) -> c_int;  in scanf()
3547     pub fn sscanf(s: *const c_char, format: *const c_char, ...) -> c_int;  in sscanf()
3582     pub fn chmod(path: *const c_char, mode: mode_t) -> c_int;  in chmod()
3587     pub fn mkdir(path: *const c_char, mode: mode_t) -> c_int;  in mkdir()
3589     pub fn stat(path: *const c_char, buf: *mut stat) -> c_int;  in stat()
3595     pub fn open(path: *const c_char, oflag: c_int, ...) -> c_int;  in open()
3596     pub fn creat(path: *const c_char, mode: mode_t) -> c_int;  in creat()
3609     pub fn openat(dirfd: c_int, pathname: *const c_char, flags: c_int, ...) -> c_int;  in openat()
3610     pub fn fchmodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, flags: c_int) -> c_int;  in fchmodat()
3614         pathname: *const c_char,  in fchownat()
3619     pub fn fstatat(dirfd: c_int, pathname: *const c_char, buf: *mut stat, flags: c_int) -> c_int;  in fstatat()
3622         oldpath: *const c_char,  in linkat()
3624         newpath: *const c_char,  in linkat()
3627     pub fn mkdirat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;  in mkdirat()
3630         pathname: *const c_char,  in readlinkat()
3631         buf: *mut c_char,  in readlinkat()
3636         oldpath: *const c_char,  in renameat()
3638         newpath: *const c_char,  in renameat()
3640     pub fn symlinkat(target: *const c_char, newdirfd: c_int, linkpath: *const c_char) -> c_int;  in symlinkat()
3641     pub fn unlinkat(dirfd: c_int, pathname: *const c_char, flags: c_int) -> c_int;  in unlinkat()
3643     pub fn access(path: *const c_char, amode: c_int) -> c_int;  in access()
3646     pub fn chown(path: *const c_char, uid: uid_t, gid: gid_t) -> c_int;  in chown()
3647     pub fn lchown(path: *const c_char, uid: uid_t, gid: gid_t) -> c_int;  in lchown()
3652     pub fn execl(path: *const c_char, arg0: *const c_char, ...) -> c_int;  in execl()
3653     pub fn execle(path: *const c_char, arg0: *const c_char, ...) -> c_int;  in execle()
3654     pub fn execlp(file: *const c_char, arg0: *const c_char, ...) -> c_int;  in execlp()
3657     pub fn execv(prog: *const c_char, argv: *const *const c_char) -> c_int;  in execv()
3659         prog: *const c_char,  in execve()
3660         argv: *const *const c_char,  in execve()
3661         envp: *const *const c_char,  in execve()
3663     pub fn execvp(c: *const c_char, argv: *const *const c_char) -> c_int;  in execvp()
3667     pub fn getcwd(buf: *mut c_char, size: size_t) -> *mut c_char;  in getcwd()
3673     pub fn getopt(argc: c_int, argv: *const *mut c_char, optstr: *const c_char) -> c_int;  in getopt()
3680     pub fn link(src: *const c_char, dst: *const c_char) -> c_int;  in link()
3682     pub fn pathconf(path: *const c_char, name: c_int) -> c_long;  in pathconf()
3698     pub fn ttyname(fd: c_int) -> *mut c_char;  in ttyname()
3707     pub fn utime(file: *const c_char, buf: *const utimbuf) -> c_int;  in utime()
3727     pub fn if_indextoname(ifindex: c_uint, ifname: *mut c_char) -> *mut c_char;  in if_indextoname()
3729     pub fn lstat(path: *const c_char, buf: *mut stat) -> c_int;  in lstat()
3733     pub fn setenv(name: *const c_char, val: *const c_char, overwrite: c_int) -> c_int;  in setenv()
3736     pub fn symlink(path1: *const c_char, path2: *const c_char) -> c_int;  in symlink()
3742     pub fn realpath(pathname: *const c_char, resolved: *mut c_char) -> *mut c_char;  in realpath()
3807     pub fn pthread_getname_np(thread: crate::pthread_t, name: *mut c_char, len: size_t) -> c_int;  in pthread_getname_np()
3809     pub fn strerror_r(errnum: c_int, buf: *mut c_char, buflen: size_t) -> c_int;  in strerror_r()
3821     pub fn utimes(filename: *const c_char, times: *const crate::timeval) -> c_int;  in utimes()
3822     pub fn dlopen(filename: *const c_char, flag: c_int) -> *mut c_void;  in dlopen()
3829         node: *const c_char,  in getaddrinfo()
3830         service: *const c_char,  in getaddrinfo()
3835     pub fn gai_strerror(errcode: c_int) -> *const c_char;  in gai_strerror()
3845     pub fn mknod(pathname: *const c_char, mode: mode_t, dev: crate::dev_t) -> c_int;  in mknod()
3847     pub fn gethostname(name: *mut c_char, len: size_t) -> c_int;  in gethostname()
3848     pub fn getservbyname(name: *const c_char, proto: *const c_char) -> *mut servent;  in getservbyname()
3863     pub fn setlocale(category: c_int, locale: *const c_char) -> *mut c_char;  in setlocale()
3871     pub fn statvfs(path: *const c_char, buf: *mut statvfs) -> c_int;  in statvfs()
3874     pub fn readlink(path: *const c_char, buf: *mut c_char, bufsz: size_t) -> ssize_t;  in readlink()
3891     pub fn mkfifo(path: *const c_char, mode: mode_t) -> c_int;  in mkfifo()
3917     pub fn mkdtemp(template: *mut c_char) -> *mut c_char;  in mkdtemp()
3919     pub fn tmpnam(ptr: *mut c_char) -> *mut c_char;  in tmpnam()
3921     pub fn openlog(ident: *const c_char, logopt: c_int, facility: c_int);  in openlog()
3924     pub fn syslog(priority: c_int, message: *const c_char, ...);  in syslog()
3928     pub fn ptsname(fd: c_int) -> *mut c_char;  in ptsname()
3946     pub fn statfs(path: *const c_char, buf: *mut statfs) -> c_int;  in statfs()
3954         path: *const c_char,  in utimensat()
3960     pub fn newlocale(mask: c_int, locale: *const c_char, base: crate::locale_t) -> crate::locale_t;  in newlocale()
3965     pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, dev: dev_t) -> c_int;  in mknodat()
3980     pub fn ptsname_r(fd: c_int, buf: *mut c_char, buflen: size_t) -> c_int;  in ptsname_r()
4007         name: *mut c_char,  in openpty()
4014         file: *const c_char,  in execvpe()
4015         argv: *const *const c_char,  in execvpe()
4016         envp: *const *const c_char,  in execvpe()
4018     pub fn fexecve(fd: c_int, argv: *const *const c_char, envp: *const *const c_char) -> c_int;  in fexecve()
4022     pub fn lutimes(file: *const c_char, times: *const crate::timeval) -> c_int;  in lutimes()
4028     pub fn shm_open(name: *const c_char, oflag: c_int, mode: mode_t) -> c_int;  in shm_open()
4035     pub fn ftok(pathname: *const c_char, proj_id: c_int) -> crate::key_t;  in ftok()
4067     pub fn quotactl(cmd: c_int, special: *const c_char, id: c_int, data: *mut c_char) -> c_int;  in quotactl()
4069     pub fn mkostemp(template: *mut c_char, flags: c_int) -> c_int;  in mkostemp()
4070     pub fn mkostemps(template: *mut c_char, suffixlen: c_int, flags: c_int) -> c_int;  in mkostemps()
4077     pub fn nl_langinfo_l(item: crate::nl_item, locale: crate::locale_t) -> *mut c_char;  in nl_langinfo_l()
4081         host: *mut c_char,  in getnameinfo()
4083         serv: *mut c_char,  in getnameinfo()
4092     pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;  in mkfifoat()
4100         pattern: *const c_char,  in glob()
4102         errfunc: Option<extern "C" fn(epath: *const c_char, errno: c_int) -> c_int>,  in glob()
4126     pub fn mkstemps(template: *mut c_char, suffixlen: c_int) -> c_int;  in mkstemps()
4128     pub fn nl_langinfo(item: crate::nl_item) -> *mut c_char;  in nl_langinfo()
4141     pub fn getdomainname(name: *mut c_char, len: size_t) -> c_int;  in getdomainname()
4142     pub fn setdomainname(name: *const c_char, len: size_t) -> c_int;  in setdomainname()
4185         src: *const c_char,  in mount()
4186         target: *const c_char,  in mount()
4187         fstype: *const c_char,  in mount()
4222     pub fn sethostname(name: *const c_char, len: size_t) -> c_int;  in sethostname()
4224     pub fn umount2(target: *const c_char, flags: c_int) -> c_int;  in umount2()
4225     pub fn swapon(path: *const c_char, swapflags: c_int) -> c_int;  in swapon()
4235         buf: *mut c_char,  in getgrgid_r()
4243         name: *const c_char,  in getgrnam_r()
4245         buf: *mut c_char,  in getgrnam_r()
4249     pub fn initgroups(user: *const c_char, group: crate::gid_t) -> c_int;  in initgroups()
4251     pub fn sem_open(name: *const c_char, oflag: c_int, ...) -> *mut sem_t;  in sem_open()
4258         name: *const c_char,  in getpwnam_r()
4260         buf: *mut c_char,  in getpwnam_r()
4267         buf: *mut c_char,  in getpwuid_r()
4284         user: *const c_char,  in getgrouplist()
4289     pub fn popen(command: *const c_char, mode: *const c_char) -> *mut crate::FILE;  in popen()
4290     pub fn faccessat(dirfd: c_int, pathname: *const c_char, mode: c_int, flags: c_int) -> c_int;  in faccessat()