diff --git a/lib/libc/gen/closefrom.c b/lib/libc/gen/closefrom.c
index 4d84c0997c94..258e97d9dcb4 100644
--- a/lib/libc/gen/closefrom.c
+++ b/lib/libc/gen/closefrom.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: closefrom.c,v 1.2 2004/06/22 13:49:43 atatat Exp $	*/
+/*	$NetBSD: closefrom.c,v 1.3 2018/01/05 19:01:36 kamil Exp $	*/
 
 /*
  * Copyright (C) 2004 WIDE Project.
@@ -31,9 +31,10 @@
 
 #include <sys/cdefs.h>
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: closefrom.c,v 1.2 2004/06/22 13:49:43 atatat Exp $");
+__RCSID("$NetBSD: closefrom.c,v 1.3 2018/01/05 19:01:36 kamil Exp $");
 #endif /* LIBC_SCCS and not lint */
 
+#include "namespace.h"
 #include <fcntl.h>
 #include <unistd.h>
 
diff --git a/lib/libc/gen/exect.c b/lib/libc/gen/exect.c
index b81de620acde..92aa55f04d55 100644
--- a/lib/libc/gen/exect.c
+++ b/lib/libc/gen/exect.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: exect.c,v 1.1 2017/02/07 19:29:40 kamil Exp $	*/
+/*	$NetBSD: exect.c,v 1.2 2018/01/05 19:01:36 kamil Exp $	*/
 
 /*-
  * Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -28,9 +28,10 @@
 
 #include <sys/cdefs.h>
 #if !defined(lint)
-__RCSID("$NetBSD: exect.c,v 1.1 2017/02/07 19:29:40 kamil Exp $");
+__RCSID("$NetBSD: exect.c,v 1.2 2018/01/05 19:01:36 kamil Exp $");
 #endif
 
+#include "namespace.h"
 #include <unistd.h>
 
 __warn_references(exect,
diff --git a/lib/libc/stdio/fopen.c b/lib/libc/stdio/fopen.c
index 8e5327f7494d..4a95eaac4352 100644
--- a/lib/libc/stdio/fopen.c
+++ b/lib/libc/stdio/fopen.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: fopen.c,v 1.17 2017/11/09 20:30:02 christos Exp $	*/
+/*	$NetBSD: fopen.c,v 1.18 2018/01/05 19:01:36 kamil Exp $	*/
 
 /*-
  * Copyright (c) 1990, 1993
@@ -37,10 +37,11 @@
 #if 0
 static char sccsid[] = "@(#)fopen.c	8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: fopen.c,v 1.17 2017/11/09 20:30:02 christos Exp $");
+__RCSID("$NetBSD: fopen.c,v 1.18 2018/01/05 19:01:36 kamil Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
+#include "namespace.h"
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <assert.h>
diff --git a/lib/libc/stdio/freopen.c b/lib/libc/stdio/freopen.c
index ac3d2fbbcc5b..7104d8074333 100644
--- a/lib/libc/stdio/freopen.c
+++ b/lib/libc/stdio/freopen.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: freopen.c,v 1.20 2017/11/09 20:30:02 christos Exp $	*/
+/*	$NetBSD: freopen.c,v 1.21 2018/01/05 19:01:36 kamil Exp $	*/
 
 /*-
  * Copyright (c) 1990, 1993
@@ -37,10 +37,11 @@
 #if 0
 static char sccsid[] = "@(#)freopen.c	8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: freopen.c,v 1.20 2017/11/09 20:30:02 christos Exp $");
+__RCSID("$NetBSD: freopen.c,v 1.21 2018/01/05 19:01:36 kamil Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
+#include "namespace.h"
 #include <sys/types.h>
 #include <sys/stat.h>