View Source: inet_ntop(3) - Waikato Linux Users Group

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inet_ntop
!!!inet_ntop
NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
SEE ALSO
BUGS
----
!!NAME


inet_ntop - Parse network address structures
!!SYNOPSIS


__#include
__ ''af''__, const void *__''src''__,
char *__''dst''__, size_t__ ''cnt''__);
__
!!DESCRIPTION


This function converts the network address structure
''src'' in the ''af'' address family into a character
string, which is copied to a character buffer ''dst'',
which is ''cnt'' bytes long.


inet_ntop(3) extends the __inet_ntoa__(3) function
to support multiple address families, inet_ntoa(3) is
now considered to be deprecated in favor of
inet_ntop(3). The following address families are
currently supported:


__AF_INET__


''src'' points to a ''struct in_addr'' (network byte
order format) which is converted to an IPv4 network address
in the dotted-quad format,
''ddd.ddd.ddd.ddd''''dst''
must be at least __INET_ADDRSTRLEN__ bytes
long.


__AF_INET6__


''src'' points to a ''struct in6_addr'' (network byte
order format) which is converted to a representation of this
address in the most appropriate IPv6 network address format
for this address. The buffer ''dst'' must be at least
__INET6_ADDRSTRLEN__ bytes long.
!!RETURN VALUE


__inet_ntop__ returns a non-null pointer to ''dst''.
NULL is returned if there was an error, with ''errno''
set to __EAFNOSUPPORT__ if ''af'' was not set to a
valid address family, or to __ENOSPC__ if the converted
address string would exceed the size of ''dst'' given by
the ''cnt'' argument.
!!SEE ALSO


inet_pton(3)
!!BUGS


__AF_INET6__ converts IPv6-mapped IPv4 addresses into an
IPv6 format.
----

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Last edited on Monday, June 3, 2002 6:54:12 pm by "perry"

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