$OpenBSD: patch-arpcatch_c,v 1.2 2002/02/20 20:25:54 pvalchev Exp $
--- arpcatch.c.orig	Thu Aug 21 18:57:01 1997
+++ arpcatch.c	Wed Feb 20 13:20:11 2002
@@ -11,13 +11,13 @@ int debug = 0;
 int defer = 0;
 
 int main(int argc, char **argv) {
-	char c;
+	int c;
 	char *configfile = DEFAULT_CONFIGFILE;
 	char *device     = DEFAULT_DEVICE;
 	table_t *at;
 	int fd;
 	
-	while((c = getopt(argc, argv, "di:f:")) != EOF) {
+	while((c = getopt(argc, argv, "di:f:")) != -1) {
 		switch(c) {
 		case 'd':
 			debug++;
@@ -37,6 +37,7 @@ int main(int argc, char **argv) {
 		}
 	}
 
+	printf("Starting on %s interface\n",device);
 	if(!(at = read_config(configfile))) {
 		perror("config file read");
 		exit(errno);
@@ -50,6 +51,7 @@ int main(int argc, char **argv) {
 	read_loop(fd, at);
 
 	perror("read");
+return 1;
 }	
 
 /* needs cleaning up */
@@ -63,7 +65,6 @@ int read_loop(int fd, table_t *at) {
 	struct ether_addr	*ea;
 	struct ether_arp 	*ah;
 
-	struct in_addr foo;
 
 	for(;;) {
 		struct in_addr ia;
@@ -129,7 +130,7 @@ int init_bpf(char *device) {
 	
 	fd = bpf_open(device);
 	if(fd < 0) {
-		perror("bpf open");
+		fprintf(stderr,"Error initializing bpf filter\nExiting..\n");
 		exit(errno);
 	}