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GNU/Linux man pages

Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :

ISBN : 978-2-7460-9712-4
EAN : 9782746097124
(Editions ENI)

GNU/Linux

CentOS 2.1AS

(Slurm)

inet_ntop(3)


inet_ntop

inet_ntop

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
SEE ALSO
BUGS

NAME

inet_ntop − Parse network address structures

SYNOPSIS

#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>

const char *inet_ntop(int 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". The buffer 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.



inet_ntop(3)