constant NULL

type size_t

function {void*} memccpy (void*, const void*, int, size_t)
function {void*} memchr (const void*, int, size_t)
function int memcmp (const void*, const void*, size_t)
function {void*} memcpy (void*, const void*, size_t)
function {void*} memmove (void*, const void*, size_t)
function {void*} memset (void*, int, size_t)
function {char*} strcat (char*, const char*)
function {char*} strchr (const char*, int)
function int strcmp (const char*, const char*)
function int strcoll (const char*, const char*)
function {char*} strcpy (char*, const char*)
function size_t strcspn (const char*, const char*)
function {char*} strdup (const char*)
function {char*} strerror (int)
#ifdef XOPEN2K
function {char*} strerror_r (int, char*, size_t)
#endif
function size_t strlen (const char*)
function {char*} strncat (char*, const char*, size_t)
function int strncmp (const char*, const char*, size_t)
function {char*} strncpy (char*, const char*, size_t)
function {char*} strpbrk (const char*, const char*)
function {char*} strrchr (const char*, int)
function size_t strspn (const char*, const char*)
function {char*} strstr (const char*, const char*)
function {char*} strtok (char*, const char*)
function {char*} strtok_r (char*, const char*, char**)
function size_t strxfrm (char*, const char*, size_t)

allow-header stddef.h

allow str*
allow wcs*
allow *_t