From fd7f133baaa600cff2891b3ad4fc23c88a72c8f4 Mon Sep 17 00:00:00 2001
From: tv <tv@NetBSD.org>
Date: Tue, 2 Feb 1999 00:29:09 +0000
Subject: [PATCH] Always include <unistd.h> so we get the vfork prototype.
 Noticed by <wada@faraday.ee.ibaraki.ac.jp>.

---
 gnu/dist/libio/iopopen.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/gnu/dist/libio/iopopen.c b/gnu/dist/libio/iopopen.c
index 59d4fc3f0ed2..b53335ca3fe1 100644
--- a/gnu/dist/libio/iopopen.c
+++ b/gnu/dist/libio/iopopen.c
@@ -34,9 +34,7 @@
 #ifdef __STDC__
 #include <stdlib.h>
 #endif
-#ifdef _LIBC
-# include <unistd.h>
-#endif
+#include <unistd.h>
 #include <sys/types.h>
 #include <sys/wait.h>