--- getifname.c.org	2010-05-11 10:27:23.000000000 +0200
+++ getifname.c	2010-05-11 10:28:14.000000000 +0200
@@ -59,7 +59,7 @@
 			known_output_if = 1;
 			if (opt_debug)
 				printf("DEBUG: Output interface address: %s\n",
-					inet_ntoa(sa.sin_addr));
+					inet_ntoa(output_if_addr.sin_addr));
 		} else {
 			fprintf(stderr, "Warning: Unable to guess the output "
 					"interface\n");
@@ -315,7 +315,8 @@
  * to the OS routing table. Derived from R.Stevens */
 int get_output_if(struct sockaddr_in *dest, struct sockaddr_in *ifip)
 {
-	int sock_rt, len, on=1;
+	int sock_rt, on=1;
+	unsigned int len;
 	struct sockaddr_in iface_out;
  
 	memset(&iface_out, 0, sizeof(iface_out));