Date: Wed, 9 Dec 2015 19:51:47 +0300 From: "Andrey V. Elsukov" <bu7cher@yandex.ru> To: Ken Moore <ken@pcbsd.org>, Hiroki Sato <hrs@FreeBSD.org> Cc: freebsd-net@freebsd.org Subject: Re: IPv6 Address as text (C) Message-ID: <56685C23.600@yandex.ru> In-Reply-To: <566847F3.7060900@pcbsd.org> References: <5668369F.9020309@pcbsd.org> <20151209.233515.1592617248580059512.hrs@allbsd.org> <566847F3.7060900@pcbsd.org>
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On 09.12.15 18:25, Ken Moore wrote:
Simple example:
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <err.h>
#include <ifaddrs.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
int
main(int argc, char **argv)
{
char buf[INET6_ADDRSTRLEN];
struct ifaddrs *ifap, *ifa;
int error;
if (getifaddrs(&ifap) !=3D 0)
err(1, "getifaddrs");
for (ifa =3D ifap; ifa; ifa =3D ifa->ifa_next)
if (ifa->ifa_addr->sa_family =3D=3D AF_INET6) {
error =3D getnameinfo(ifa->ifa_addr,
ifa->ifa_addr->sa_len, buf, sizeof(buf),
NULL, 0, NI_NUMERICHOST);
if (error !=3D 0)
err(1, "%s", gai_strerror(error));
printf("%s\n", buf);
}
freeifaddrs(ifap);
return (0);
}
--=20
WBR, Andrey V. Elsukov
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