$NetBSD: patch-fork.h2,v 1.1 2018/12/17 02:33:13 schmonz Exp $

Avoid conflicting declarations.

--- fork.h2.orig	1997-06-30 03:11:54.000000000 +0000
+++ fork.h2
@@ -1,7 +1,6 @@
 #ifndef FORK_H
 #define FORK_H
 
-extern int fork();
-extern int vfork();
+#include <unistd.h>
 
 #endif