GNU/Linux man pages
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GNU/Linux |
CentOS 2.1AS(Slurm) |
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inet_ntop(3) |
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inet_ntop − Parse network address structures
#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);
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.
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.
inet_pton(3)
AF_INET6 converts IPv6-mapped IPv4 addresses into an IPv6 format.
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inet_ntop(3) | |