--- lib/posix/tty.c.orig	Sat Jun  7 20:21:57 2003
+++ lib/posix/tty.c	Sat Jun  7 20:22:21 2003
@@ -1,6 +1,7 @@
 /* $Id: tty.c,v 1.5 1996/10/27 05:37:51 phil Exp $ */
 
 #include <stdio.h>
+#include <stdlib.h>
 
 #ifdef USE_TERMIO
 /* awful; but better than duplicating the whole file! */