diff --git a/lib/memtypes.awk b/lib/memtypes.awk
index 5429f6e..bd13327 100644
--- a/lib/memtypes.awk
+++ b/lib/memtypes.awk
@@ -1,4 +1,23 @@
-# $Id: memtypes.awk,v 1.4 2006/03/30 14:30:19 paul Exp $
+###
+# Copyright (C) Paul Jakma 2005
+#
+# This file is part of Quagga.
+#
+# Quagga is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2, or (at your option) any
+# later version.
+#
+# Quagga is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Quagga; see the file COPYING.  If not, write to the Free
+# Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.  
+###
 #
 # Scan a file of memory definitions (see eg memtypes.c) and generate
 # a corresponding header file with an enum of the MTYPE's and declarations
diff --git a/lib/str.c b/lib/str.c
index 4ab71e1..d8f039a 100644
--- a/lib/str.c
+++ b/lib/str.c
@@ -16,6 +16,24 @@
     Copyright (C) 1996, 1997, 1998, 2001, 2002 Free Software Foundation, Inc.
 */
 
+/* 
+ * This file is part of Quagga.
+ *
+ * Quagga is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * Quagga is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Quagga; see the file COPYING.  If not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.  
+ */
 
 #include <zebra.h>
 
diff --git a/lib/zassert.h b/lib/zassert.h
index 7912676..bf0a851 100644
--- a/lib/zassert.h
+++ b/lib/zassert.h
@@ -1,5 +1,22 @@
 /*
  * $Id: zassert.h,v 1.2 2004/12/03 18:01:04 ajs Exp $
+ *
+ * This file is part of Quagga.
+ *
+ * Quagga is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * Quagga is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Quagga; see the file COPYING.  If not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.  
  */
 
 #ifndef _QUAGGA_ASSERT_H