--- config.Unix.orig	Sun Nov 30 00:39:51 1997
+++ config.Unix	Sun Nov 30 00:44:34 1997
@@ -110,7 +110,7 @@
 XCOMM --------------------------------------------------------------------
 XCOMM --- Use extra code for setenv() and getenv() ?
 XCOMM --------------------------------------------------------------------
-#if !defined(LinuxArchitecture) && !defined(FreeBSDArchitecture)
+#if !defined(LinuxArchitecture) && !defined(FreeBSDArchitecture) && !defined(NetBSDArchitecture) && !defined(OpenBSDArchitecture)
 #   define USE_SETENV_CODE
 #endif