NetBSD/usr.sbin/bootp/bootptest/trygetea.c

48 lines
909 B
C

/* $NetBSD: trygetea.c,v 1.5 2007/03/10 00:16:51 hubertf Exp $ */
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: trygetea.c,v 1.5 2007/03/10 00:16:51 hubertf Exp $");
#endif
/*
* trygetea.c - test program for getether.c
*/
#include <sys/types.h>
#include <sys/socket.h>
#if defined(SUNOS) || defined(SVR4)
#include <sys/sockio.h>
#endif
#include <net/if.h> /* for struct ifreq */
#include <netinet/in.h>
#include <arpa/inet.h> /* inet_ntoa */
#include <netdb.h>
#include <stdio.h>
#include <errno.h>
int
main(int argc, char **argv)
{
u_char ea[16]; /* Ethernet address */
int i;
if (argc < 2) {
fprintf(stderr, "need interface name\n");
exit(1);
}
if ((i = getether(argv[1], ea)) < 0) {
fprintf(stderr, "Could not get Ethernet address (rc=%d)\n", i);
exit(1);
}
printf("Ether-addr");
for (i = 0; i < 6; i++)
printf(":%x", ea[i] & 0xFF);
printf("\n");
return 0;
}