release/src/router/miniupnpd/testgetifaddr.c

   1 /* $Id: testgetifaddr.c,v 1.1 2008/10/09 11:28:44 nanard Exp $ */
   2 /* MiniUPnP project
   3  * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
   4  * (c) 2006-2008 Thomas Bernard
   5  * This software is subject to the conditions detailed
   6  * in the LICENCE file provided within the distribution */
   7 #include <stdio.h>
   8 #include "getifaddr.h"
   9
  10 int main(int argc, char * * argv) {
  11         char addr[16];
  12         if(argc < 2) {
  13                 fprintf(stderr, "Usage:\t%s interface_name\n", argv[0]);
  14                 return 1;
  15         }
  16         if(getifaddr(argv[1], addr, sizeof(addr)) < 0) {
  17                 fprintf(stderr, "Cannot get address for interface %s.\n", argv[1]);
  18                 return 1;
  19         }
  20         printf("Interface %s has IP address %s.\n", argv[1], addr);
  21         return 0;
  22 }