The functions and macros in the C library are described here in alphabetical order:
A ¦ B ¦ C ¦ D ¦ E ¦ F ¦ G ¦ H ¦ I ¦ J ¦ K ¦ L ¦ M ¦ N ¦ O ¦ P ¦ Q ¦ R ¦ S ¦ T ¦ U ¦ V ¦ W ¦ X ¦ Y ¦ Z
abort()
abs()
accept()
access()
acos()
acosf()
acosh()
acoshf()
addrinfo
aio_cancel()
aio_error()
aio_fsync()
aio_read()
aio_return()
aio_suspend()
aio_write()
aiocb
alarm()
alloca()
alphasort()
_amblksiz
APS_INIT_DATA()— see SchedCtl()
_argc
_argv
asctime()
asctime_r()
asin()
asinf()
asinh()
asinhf()
assert()
asyncmsg_channel_create()
asyncmsg_channel_destroy()
asyncmsg_connect_attach()
asyncmsg_connect_attr()
asyncmsg_connect_detach()
_asyncmsg_connection_attr
asyncmsg_flush()
asyncmsg_free()
asyncmsg_get()
asyncmsg_malloc()
asyncmsg_put()
asyncmsg_putv()
atan()
atanf()
atan2()
atan2f()
atanh()
atanhf()
atexit()
atof()
atoh()
atoi()
atol()
atoll()
atomic_add()
atomic_add_value()
atomic_clr()
atomic_clr_value()
atomic_set()
atomic_set_value()
atomic_sub()
atomic_sub_value()
atomic_toggle()
atomic_toggle_value()
_auxv
A ¦ B ¦ C ¦ D ¦ E ¦ F ¦ G ¦ H ¦ I ¦ J ¦ K ¦ L ¦ M ¦ N ¦ O ¦ P ¦ Q ¦ R ¦ S ¦ T ¦ U ¦ V ¦ W ¦ X ¦ Y ¦ Z