--- netkit-rusers-0.17/rup/rup.c.orig	2006-02-07 14:26:47.423011784 +0530
+++ netkit-rusers-0.17/rup/rup.c	2006-02-07 14:41:22.035029176 +0530
@@ -242,7 +242,7 @@
 }
 
 static
-void
+int
 onehost(const char *host)
 {
 	CLIENT *rstat_clnt;
@@ -251,7 +251,7 @@
 	rstat_clnt = clnt_create(host, RSTATPROG, RSTATVERS_TIME, "udp");
 	if (rstat_clnt == NULL) {
 		warnx("%s", clnt_spcreateerror(host));
-		return;
+		return 1;
 	}
 
 	memset(&remote_host_stat, 0, sizeof(remote_host_stat));
@@ -263,7 +263,7 @@
 		      timeout) != RPC_SUCCESS) 
 	{
 		warnx("%s",  clnt_sperror(rstat_clnt, host));
-		return;
+		return 1;
 	}
 
 	if (sort_type != SORT_NONE) {
@@ -272,19 +272,23 @@
 		print_rup_data(host, &remote_host_stat);
 	}
 	clnt_destroy(rstat_clnt);
+	return 0;
 }
 
 static
 void
 enumhosts(int argc, char *argv[], int optind)
 {
+	int returnval = 0;
 	if (sort_type != SORT_NONE) {
 		printf("collecting responses...");
 		fflush(stdout);
 	}
 
 	for (; optind < argc; optind++)
-		onehost(argv[optind]);
+		returnval += onehost(argv[optind]);
+
+	if (returnval) exit(1);
 
 	if (sort_type != SORT_NONE) {
 		int i;