Index: onewclient.c
--- onewclient.c.orig
+++ onewclient.c
@@ -21,6 +21,8 @@ History:
 ///////////////////////////////////////////////////////////////////////*/
 
 #include <signal.h>
+#include <unistd.h>
+#include <stdio.h>
 #include "onew.h"
 
 static int onew_DBG = 1;
@@ -43,7 +45,7 @@ static dbg_printf(form,a,b,c,d,e,f,g){
 	Onew_message(form,a,b,c,d,e,f,g);
 }
 
-static open_onew(){
+static void open_onew(){
 	register int pid;
 	char *command;
 
