function int bcmp (const void*, const void*, size_t)
function void bcopy (const void*, void*, size_t)
function void bzero (void*, size_t)
function int ffs (int)
function {char*} index (const char*, int)
function {char*} rindex (const char*, int)
function int strcasecmp (const char*, const char*)
function int strncasecmp (const char*, const char*, size_t)
type size_t
allow *_t
