$NetBSD: patch-af,v 1.2 2008/09/19 20:02:23 joerg Exp $

--- config.h.orig	1995-05-30 13:13:53.000000000 +0200
+++ config.h
@@ -378,6 +378,15 @@
 #endif
 #endif
 
+#ifdef __INTERIX
+#ifndef USE_WAIT3
+#define USE_WAIT3		0
+#endif
+#ifndef	USE_SIGACTION
+#define USE_SIGACTION		1
+#endif
+#endif
+
 
 /*
  * default defaults -- don't change this section
@@ -533,3 +542,5 @@
 #undef	SYSV_SIGNALS
 #define	SYSV_SIGNALS		0
 #endif
+
+#include <stdlib.h>