$NetBSD$

--- icbirc.c.orig	2004-11-18 21:14:28.000000000 +0000
+++ icbirc.c
@@ -35,6 +35,7 @@ static const char rcsid[] = "$Id: icbirc
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
+#include <sys/time.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <ctype.h>
@@ -51,18 +52,42 @@ static const char rcsid[] = "$Id: icbirc
 #include "icb.h"
 #include "irc.h"
 
+#ifdef NEED_PROGNAME
+char *__progname;
+#else
+extern char *__progname;
+#endif
+
 int		sync_write(int, const char *, int);
 static void	usage(void);
 static void	handle_client(int);
+char		*get_progname(char *);
 
 int terminate_client;
 static struct sockaddr_in sa_connect;
 
+char 
+*get_progname(char *argv0)
+{
+#ifndef NEED_PROGNAME
+	return __progname;
+#else
+	char *p;
+
+	if (argv0 == NULL)
+		return "unknown";	/* XXX */
+	p = strrchr(argv0, '/');
+	if (p == NULL)
+		p = argv0;
+	else
+		p++;
+	return p;
+#endif
+}
+
 static void
 usage(void)
 {
-	extern char *__progname;
-
 	fprintf(stderr, "usage: %s [-d] [-l address] [-p port] "
 	    "-s server [-P port]\n", __progname);
 	exit(1);
@@ -80,6 +105,8 @@ main(int argc, char *argv[])
 	socklen_t len;
 	int val;
 
+	__progname = get_progname(argv[0]);
+
 	while ((ch = getopt(argc, argv, "dl:p:s:P:")) != -1) {
 		switch (ch) {
 		case 'd':
