NRAND48 (man3p)
nrand48 — generate uniformly distributed pseudo-random non-negative long integers
nrand48 — generate uniformly distributed pseudo-random non-negative long integers
wmemcmp — compare wide characters in memory
sigaltstack — set and get signal alternate stack context
pthread_barrierattr_getpshared, pthread_barrierattr_setpshared — get and set the process-shared attribute of the barrier attributes object
pthread_attr_getscope, pthread_attr_setscope — get and set the contentionscope attribute (REALTIME THREADS)
fdopendir, opendir — open directory associated with file descriptor
msgget — get the XSI message queue identifier
fmod, fmodf, fmodl — floating-point remainder value function
fmtmsg — display a message in the specified format on standard error and/or a system console
posix_spawnattr_setsigdefault — set the spawn-sigdefault attribute of a spawn attributes object (ADVANCED REALTIME)