1123     pub fn printf(fmt: *const c_char, ...) -> c_int;  in printf()
1125     pub fn scanf(fmt: *const c_char, ...) -> c_int;  in scanf()
1127     pub fn snprintf(s: *mut c_char, n: size_t, fmt: *const c_char, ...) -> c_int;  in snprintf()
1129     pub fn sprintf(s: *mut c_char, fmt: *const c_char, ...) -> c_int;  in sprintf()
1131     pub fn vsnprintf(s: *mut c_char, n: size_t, fmt: *const c_char, ap: va_list) -> c_int;  in vsnprintf()
1133     pub fn vsprintf(s: *mut c_char, fmt: *const c_char, ap: va_list) -> c_int;  in vsprintf()
1164     pub fn strerror(e: c_int) -> *mut c_char;  in strerror()
1176         restrict: *mut c_char,  in strftime()
1178         _restrict: *const c_char,  in strftime()
1193     pub fn sem_open(name: *const c_char, flags: c_int, ...) -> *mut sem_t;  in sem_open()
1202     pub fn setlocale(cat: c_int, name: *const c_char) -> *mut c_char;  in setlocale()
1204     pub fn strcoll(l: *const c_char, r: *const c_char) -> c_int;  in strcoll()
1206     pub fn strxfrm(dest: *mut c_char, src: *const c_char, n: size_t) -> size_t;  in strxfrm()
1208     pub fn strtod(s: *const c_char, p: *mut *mut c_char) -> c_double;  in strtod()
1211     pub fn mbrtowc(wc: *mut wchar_t, src: *const c_char, n: size_t, st: *mut mbstate_t) -> size_t;  in mbrtowc()
1213     pub fn wcrtomb(s: *mut c_char, wc: wchar_t, st: *mut mbstate_t) -> size_t;  in wcrtomb()
1220     pub fn initstate(seed: c_uint, state: *mut c_char, size: size_t) -> *mut c_char;  in initstate()
1222     pub fn setstate(state: *mut c_char) -> *mut c_char;  in setstate()
1227     pub fn strchr(s: *const c_char, c: c_int) -> *mut c_char;  in strchr()
1231     pub fn strcmp(l: *const c_char, r: *const c_char) -> c_int;  in strcmp()
1233     pub fn strcpy(dest: *mut c_char, src: *const c_char) -> *mut c_char;  in strcpy()
1235     pub fn strncmp(_l: *const c_char, r: *const c_char, n: size_t) -> c_int;  in strncmp()
1237     pub fn strncpy(dest: *mut c_char, src: *const c_char, n: size_t) -> *mut c_char;  in strncpy()
1239     pub fn strnlen(cs: *const c_char, n: size_t) -> size_t;  in strnlen()
1241     pub fn strrchr(s: *const c_char, c: c_int) -> *mut c_char;  in strrchr()
1243     pub fn strstr(h: *const c_char, n: *const c_char) -> *mut c_char;  in strstr()
1324     pub fn ecvt(x: c_double, n: c_int, dp: *mut c_int, sign: *mut c_int) -> *mut c_char;  in ecvt()
1332     pub fn strtoul(s: *const c_char, p: *mut *mut c_char, base: c_int) -> c_ulong;  in strtoul()
1334     pub fn strtol(s: *const c_char, p: *mut *mut c_char, base: c_int) -> c_long;  in strtol()