usr.sbin/bootp/bootptest/trygetea.c

   1 /*      $NetBSD: trygetea.c,v 1.4 2002/07/14 00:07:01 wiz Exp $ */
   2
   3 #include <sys/cdefs.h>
   4 #ifndef lint
   5 __RCSID("$NetBSD: trygetea.c,v 1.4 2002/07/14 00:07:01 wiz Exp $");
   6 #endif
   7
   8 /*
   9  * trygetea.c - test program for getether.c
  10  */
  11
  12 #include <sys/types.h>
  13 #include <sys/socket.h>
  14
  15 #if defined(SUNOS) || defined(SVR4)
  16 #include <sys/sockio.h>
  17 #endif
  18
  19 #include <net/if.h>                             /* for struct ifreq */
  20 #include <netinet/in.h>
  21 #include <arpa/inet.h>                  /* inet_ntoa */
  22
  23 #include <netdb.h>
  24 #include <stdio.h>
  25 #include <errno.h>
  26
  27 int
  28 main(int argc, char **argv)
  29 {
  30         u_char ea[16];                          /* Ethernet address */
  31         int i;
  32
  33         if (argc < 2) {
  34                 fprintf(stderr, "need interface name\n");
  35                 exit(1);
  36         }
  37         if ((i = getether(argv[1], ea)) < 0) {
  38                 fprintf(stderr, "Could not get Ethernet address (rc=%d)\n", i);
  39                 exit(1);
  40         }
  41         printf("Ether-addr");
  42         for (i = 0; i < 6; i++)
  43                 printf(":%x", ea[i] & 0xFF);
  44         printf("\n");
  45
  46         return 0;
  47 }