$NetBSD: patch-ao,v 1.1 2004/10/13 17:14:36 gavan Exp $

--- lib/pipe-in.c.orig	2002-01-02 10:55:32.000000000 +0000
+++ lib/pipe-in.c
@@ -51,6 +51,10 @@
 # define STDOUT_FILENO 1
 #endif
 
+#ifndef HAVE_ENVIRON_DECL
+extern char **environ;
+#endif
+
 #define _(str) gettext (str)