$NetBSD: patch-aa,v 1.3 2006/06/27 15:36:04 minskim Exp $

--- unix/runargv.c.orig	1997-07-15 16:02:34.000000000 +0000
+++ unix/runargv.c
@@ -24,6 +24,8 @@
 */
 
 #include <signal.h>
+#include <errno.h>
+#include <sys/param.h>
 #include "extern.h"
 #include "sysintf.h"
 
@@ -67,8 +69,9 @@ int	last;
 int     shell;
 char	*cmd;
 {
-   extern  int  errno;
+#if !defined(__linux__) && (!defined(BSD) || BSD < 199306)
    extern  char *sys_errlist[];
+#endif
    int          pid;
    char         **argv;
 
