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/* $OpenBSD: ifnitest.c,v 1.1 2015/10/22 15:47:00 claudio Exp $ */
/* Public domain. 2015, Claudio Jeker */
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <err.h>
int
main(int argc, char *argv[])
{
char name[IF_NAMESIZE], *ifname;
unsigned int lo0index;
lo0index = if_nametoindex("lo0");
if (lo0index == 0)
err(1, "if_nametoindex(lo0)");
ifname = if_indextoname(lo0index, name);
if (ifname == NULL || strcmp("lo0", ifname) != 0)
err(1, "if_indextoname(%u)", lo0index);
/* test failures */
if (if_nametoindex("4kingbula") != 0)
err(1, "if_nametoindex(4kingbula)");
if (if_indextoname(65536, name) != NULL)
err(1, "if_indextoname(%u)", 65536);
return 0;
}
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