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$NetBSD: patch-ah,v 1.1 2006/01/13 15:16:14 joerg Exp $

--- src/tty.c.orig	2006-01-13 14:59:50.000000000 +0000
+++ src/tty.c
@@ -25,8 +25,6 @@
 
 #include "control.h"	/* err_exit() */
 
-extern int errno;
-
 static struct termios text_termios, raw_termios, *ptermios = 0;
 #ifdef _POSIX_JOB_CONTROL
 static pid_t save_pgid = 0;