aio()	assert()	complex()
ctype()	dirent()	dlfcn()
fcntl()	fenv()	float()
fnmatch()	ftw()	glob()
iconv()	if()	index()
in()	inttypes()	ipc()
langinfo()	libgen()	limits()
math()	mman()	monetary()
msg()	ndbm()	netdb()
poll()	pthread()	pwd()
resource()	sched()	search()
semaphore()	sem()	setjmp()
signal()	socket()	spawn()
statvfs()	stdarg()	stdbool()
stdint()	stdio()	stdlib()
strings()	stropts()	sys_ipc()
sys_mman()	sys_msg()	sys_resource()
sys_sem()	sys_shm()	sys_socket()
sys_statvfs()	sys_timeb()	sys_time()
sys_types()	sys_uio()	sys_un()
sys_wait()	tar()	tcp()
tgmath()	timeb()	time()
tmp()	trace()	types()
uio()	ulimit()	un()
utime()	utmpx()	utsname()
wchar()	wctype()	wordexp()