I

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

ICMP
ICMP6
ICMP6_FILTER_SETPASSALL() -- see ICMP6
ICMP6_FILTER_SETBLOCKALL() -- see ICMP6
ICMP6_FILTER_SETPASS() -- see ICMP6
ICMP6_FILTER_SETBLOCK() -- see ICMP6
ICMP6_FILTER_WILLPASS() -- see ICMP6
ICMP6_FILTER_WILLBLOCK() -- see ICMP6
if_freenameindex()
if_indextoname()
if_nameindex()
if_nametoindex()
ifaddrs
ilogb()
ilogbf()
in8()
in8s()
in16()
in16s()
inbe16()
inle16()
in32()
in32s()
inbe32()
inle32()
index()
inet_addr()
inet_aton()
inet_lnaof()
inet_makeaddr()
inet_net_ntop()
inet_netof()
inet_net_pton()
inet_network()
inet_ntoa()
inet_ntoa_r()
inet_ntop()
inet_pton()
INET6
inet6_option_alloc()
inet6_option_append()
inet6_option_find()
inet6_option_init()
inet6_option_next()
inet6_option_space()
inet6_rthdr_add()
inet6_rthdr_getaddr()
inet6_rthdr_getflags()
inet6_rthdr_init()
inet6_rthdr_lasthop()
inet6_rthdr_reverse()
inet6_rthdr_segments()
inet6_rthdr_space()
initgroups()
initstate()
input_line()
InterruptAttach()
InterruptAttach_r()
InterruptAttachEvent()
InterruptAttachEvent_r()
InterruptDetach()
InterruptDetach_r()
InterruptDisable()
InterruptEnable()
InterruptHookIdle()
InterruptHookTrace()
InterruptLock()
InterruptMask()
InterruptUnlock()
InterruptUnmask()
InterruptWait()
InterruptWait_r()
intr_capture() -- deprecated; see InterruptAttach()
intr_lock() -- deprecated; see InterruptMask()
intr_release() -- deprecated; see InterruptDetach()
intr_timed_wait() -- deprecated; see InterruptWait() and Timertimeout()
intr_unlock() -- deprecated; see InterruptUnmask()
intr_wait() -- deprecated; see InterruptWait()
_intr_v86()
_io_connect
_io_connect_ftype_reply
_io_connect_link_reply
_IO_SET_CONNECT_RET() -- see iofunc_open()
_IO_SET_PATHCONF_VALUE() -- see iofunc_pathconf()
_IO_SET_READ_NBYTES() -- see iofunc_read_verify()
_IO_SET_WRITE_NBYTES() -- see iofunc_write_verify()
ioctl()
iofdinfo()
iofunc_attr_init()
iofunc_attr_lock()
iofunc_attr_t
iofunc_attr_trylock()
iofunc_attr_unlock()
iofunc_check_access()
iofunc_chmod()
iofunc_chmod_default()
iofunc_chown()
iofunc_chown_default()
iofunc_client_info()
iofunc_close_dup()
iofunc_close_dup_default()
iofunc_close_ocb()
iofunc_close_ocb_default()
iofunc_devctl()
iofunc_devctl_default()
iofunc_fdinfo()
iofunc_fdinfo_default()
iofunc_func_init()
iofunc_link()
iofunc_lock()
iofunc_lock_calloc()
iofunc_lock_default()
iofunc_lock_free()
iofunc_lock_ocb_default()
iofunc_lseek()
iofunc_lseek_default()
iofunc_mknod()
iofunc_mmap()
iofunc_mmap_default()
iofunc_notify()
iofunc_notify_remove()
iofunc_notify_trigger()
iofunc_ocb_attach()
iofunc_ocb_calloc()
iofunc_ocb_detach()
iofunc_ocb_free()
iofunc_ocb_t
iofunc_open()
iofunc_open_default()
iofunc_openfd()
iofunc_openfd_default()
iofunc_pathconf()
iofunc_pathconf_default()
iofunc_read_default()
iofunc_read_verify()
iofunc_readlink()
iofunc_rename()
iofunc_space_verify()
iofunc_stat()
iofunc_stat_default()
iofunc_sync()
iofunc_sync_default()
iofunc_sync_verify()
iofunc_time_update()
iofunc_unblock()
iofunc_unblock_default()
iofunc_unlink()
iofunc_unlock_ocb_default()
iofunc_utime()
iofunc_utime_default()
iofunc_write_default()
iofunc_write_verify()
ionotify()
IP
IPsec
ipsec_dump_policy()
ipsec_get_policylen()
ipsec_set_policy()
ipsec_strerror()
IPv6
isalnum()
isalpha()
isascii()
isatty()
iscntrl()
isdigit()
isfdtype()
isgraph()
isinf()
isinff()
islower()
isnan()
isnanf()
isprint()
ispunct()
isspace()
isupper()
iswalnum()
iswalpha()
iswcntrl()
iswctype()
iswdigit()
iswgraph()
iswlower()
iswprint()
iswpunct()
iswspace()
iswupper()
iswxdigit()
isxdigit()
itoa()

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