--- ups/ao_ptrace.c.deo	Fri Nov 13 19:55:22 1998
+++ ups/ao_ptrace.c	Fri Nov 13 20:11:02 1998
@@ -33,6 +33,11 @@
 #include <local/arg.h>
 #include <errno.h>
 
+#if defined(OS_BSD44)
+#include <unistd.h>
+#include <stdlib.h>
+#endif
+
 #include "ups.h"
 #include "ui.h"
 #include "mreg.h"
