--- src/peopen.c.old	Wed Aug  4 03:51:30 2004
+++ src/peopen.c	Wed Aug  4 03:52:43 2004
@@ -6,6 +6,7 @@
 #include <unistd.h>
 #include <string.h>
 #include <sys/types.h>
+#include <stdlib.h>
 
 #include "peopen.h"
 #include "sysexits.h"