#if !defined XOPEN2K8 && !defined POSIX2008
function int bcmp (const void*, const void*, size_t)
function void bcopy (const void*, void*, size_t)
function void bzero (void*, size_t)
function {char*} index (const char*, int)
function {char*} rindex (const char*, int)
#endif
#if !defined POSIX && !defined POSIX2008
function int ffs (int)
#endif
function int strcasecmp (const char*, const char*)
function int strncasecmp (const char*, const char*, size_t)
#if defined XOPEN2K8 || defined POSIX2008
function int strcasecmp_l (const char*, const char*, locale_t)
function int strncasecmp_l (const char*, const char*, size_t, locale_t)
#endif

type size_t
#if defined XOPEN2K8 || defined POSIX2008
type locale_t
#endif

allow *_t