$NetBSD$

--- server/waisserver.c.orig	1999-04-16 09:59:45.000000000 +0000
+++ server/waisserver.c
@@ -44,6 +44,9 @@ static char *PRCSid = "$Id: waisserver.c
 #ifdef I_SYS_SELECT
 #include <sys/select.h>
 #endif
+#ifdef I_SYS_PARAM
+#include <sys/param.h>
+#endif
 #include "cdialect.h"
 #include "panic.h"
 #include "ustubs.h"
@@ -313,9 +316,10 @@ srcfiles(e)
 /*---------------------------------------------------------------------------*/
 
 #ifdef HAS_SYS_ERRLIST
-extern int      errno;
+#if !(defined(BSD) && BSD >= 199306)
 extern int      sys_nerr;
 #endif
+#endif
 
 Pid_t pgrp;
 
