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inet_pton (3) | C library functions | Unix Manual Pages | :man▋

NAME

inet_pton - Create a network address structure

CONTENTS

Synopsis
Description
Bugs

SYNOPSIS



#include <sys/types.h>

#include <sys/socket.h>

#include <arpa/inet.h>



"int inet_pton(int ""af"", const char *""src"", void *""dst");

DESCRIPTION

This function converts the character string src into a network address structure in the af address family, then copies the network address structure to dst.

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

-->
AF_INET
src points to a character string containing an IPv4 network address in the dotted-quad format, "ddd.ddd.ddd.ddd". The address is converted to a struct in_addr and copied to dst, which must be sizeof(struct in_addr) bytes long.
AF_INET6
src points to a character string containing an IPv6 network address in any allowed IPv6 address format. The address is converted to a struct in6_addr and copied to dst, which must be sizeof(struct in6_addr) bytes long.
Certain legacy hex and octal formats of AF_INET addresses are not supported by inet_pton, which rejects them.

"RETURN VALUE"

inet_pton returns a negative value and sets errno to EAFNOSUPPORT if af does not contain a valid address family. 0 is returned if src does not contain a character string representing a valid network address in the specified address family. A positive value is returned if the network address was successfully converted.

"SEE ALSO"

inet_ntop(3)

BUGS

 
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