--- exec.h	Wed Mar  5 06:59:11 1997
+++ exec.h.new	Sat Dec 11 01:29:48 1999
@@ -3,6 +3,7 @@
 
 #include<signal.h>
 #include<termios.h>
+#include <sys/types.h>
 
 #include "parse.h"
 #include "menu.h"