23 pub type c_char = i8;  typedef
276     pub fn fopen(filename: *const c_char, mode: *const c_char) -> *mut FILE;  in fopen()
277     pub fn freopen(filename: *const c_char, mode: *const c_char, file: *mut FILE) -> *mut FILE;  in freopen()
281     pub fn rename(oldname: *const c_char, newname: *const c_char) -> c_int;  in rename()
283     pub fn setvbuf(stream: *mut FILE, buffer: *mut c_char, mode: c_int, size: size_t) -> c_int;  in setvbuf()
284     pub fn setbuf(stream: *mut FILE, buf: *mut c_char);  in setbuf()
288     pub fn fgets(buf: *mut c_char, n: c_int, stream: *mut FILE) -> *mut c_char;  in fgets()
290     pub fn fputs(s: *const c_char, stream: *mut FILE) -> c_int;  in fputs()
302     pub fn perror(s: *const c_char);  in perror()
304     pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double;  in strtod()
305     pub fn strtol(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_long;  in strtol()
306     pub fn strtoul(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_ulong;  in strtoul()
316     pub fn getenv(s: *const c_char) -> *mut c_char;  in getenv()
318     pub fn strcpy(dst: *mut c_char, src: *const c_char) -> *mut c_char;  in strcpy()
319     pub fn strncpy(dst: *mut c_char, src: *const c_char, n: size_t) -> *mut c_char;  in strncpy()
320     pub fn strcat(s: *mut c_char, ct: *const c_char) -> *mut c_char;  in strcat()
321     pub fn strncat(s: *mut c_char, ct: *const c_char, n: size_t) -> *mut c_char;  in strncat()
322     pub fn strcmp(cs: *const c_char, ct: *const c_char) -> c_int;  in strcmp()
323     pub fn strncmp(cs: *const c_char, ct: *const c_char, n: size_t) -> c_int;  in strncmp()
324     pub fn strcoll(cs: *const c_char, ct: *const c_char) -> c_int;  in strcoll()
325     pub fn strchr(cs: *const c_char, c: c_int) -> *mut c_char;  in strchr()
326     pub fn strrchr(cs: *const c_char, c: c_int) -> *mut c_char;  in strrchr()
327     pub fn strspn(cs: *const c_char, ct: *const c_char) -> size_t;  in strspn()
328     pub fn strcspn(cs: *const c_char, ct: *const c_char) -> size_t;  in strcspn()
329     pub fn strdup(cs: *const c_char) -> *mut c_char;  in strdup()
330     pub fn strpbrk(cs: *const c_char, ct: *const c_char) -> *mut c_char;  in strpbrk()
331     pub fn strstr(cs: *const c_char, ct: *const c_char) -> *mut c_char;  in strstr()
333     pub fn strnlen(cs: *const c_char, maxlen: size_t) -> size_t;  in strnlen()
334     pub fn strerror(n: c_int) -> *mut c_char;  in strerror()
335     pub fn strtok(s: *mut c_char, t: *const c_char) -> *mut c_char;  in strtok()
336     pub fn strxfrm(s: *mut c_char, ct: *const c_char, n: size_t) -> size_t;  in strxfrm()
338     pub fn wcstombs(dest: *mut c_char, src: *const wchar_t, n: size_t) -> ::size_t;  in wcstombs()
360     pub fn chmod(path: *const c_char, mode: ::c_int) -> ::c_int;  in chmod()
370     pub fn stat(path: *const c_char, buf: *mut stat) -> ::c_int;  in stat()
376     pub fn popen(command: *const c_char, mode: *const c_char) -> *mut ::FILE;  in popen()
384     pub fn open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;  in open()
388     pub fn creat(path: *const c_char, mode: ::c_int) -> ::c_int;  in creat()
390     pub fn access(path: *const c_char, amode: ::c_int) -> ::c_int;  in access()
400     pub fn execl(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;  in execl()
404     pub fn execle(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;  in execle()
408     pub fn execlp(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;  in execlp()
412     pub fn execlpe(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;  in execlpe()
416     pub fn execv(prog: *const c_char, argv: *const *const c_char) -> ::intptr_t;  in execv()
419         prog: *const c_char,  in execve()
420         argv: *const *const c_char,  in execve()
421         envp: *const *const c_char,  in execve()
424     pub fn execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int;  in execvp()
427         c: *const c_char,  in execvpe()
428         argv: *const *const c_char,  in execvpe()
429         envp: *const *const c_char,  in execvpe()
448     pub fn getcwd(buf: *mut c_char, size: ::c_int) -> *mut c_char;  in getcwd()
473     pub fn setlocale(category: ::c_int, locale: *const c_char) -> *mut c_char;  in setlocale()
491         optval: *mut ::c_char,  in getsockopt()
496         buf: *mut ::c_char,  in recvfrom()
504         buf: *const ::c_char,  in sendto()
514         optval: *const ::c_char,  in setsockopt()