$NetBSD$

--- main.c.orig	2005-12-19 15:23:59.000000000 +0000
+++ main.c
@@ -55,7 +55,6 @@
 #include <unistd.h>
 
 /* are these really needed? */
-extern int errno;
 extern int select();
 
 #ifdef USE_REGEXP
