diff --git a/mxml.c b/mxml.c
index 6ff9bb2..b5ef635 100644
--- a/mxml.c
+++ b/mxml.c
@@ -2,6 +2,7 @@
 
    Name:         mxml.c
    Created by:   Stefan Ritt
+   Copyright 2000 + Stefan Ritt
 
    Contents:     Midas XML Library
 
@@ -35,6 +36,22 @@
    functions is availabe to retrieve attributes and values from nodes
    in the tree and for manipulating nodes, like replacing, adding and
    deleting nodes.
+   
+   
+   This file is part of MIDAS XML Library.
+
+   MIDAS XML Library 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 3 of the License, or
+   (at your option) any later version.
+
+   MIDAS XML Library 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 MIDAS XML Library.  If not, see <http://www.gnu.org/licenses/>.
 
 \********************************************************************/
 
diff --git a/mxml.h b/mxml.h
index 168df0e..6fc72d5 100644
--- a/mxml.h
+++ b/mxml.h
@@ -2,8 +2,24 @@
 
    Name:         mxml.h
    Created by:   Stefan Ritt
+   Copyright 2000 + Stefan Ritt
 
    Contents:     Header file for mxml.c
+   
+   This file is part of MIDAS XML Library.
+
+   MIDAS XML Library 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 3 of the License, or
+   (at your option) any later version.
+
+   MIDAS XML Library 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 MIDAS XML Library.  If not, see <http://www.gnu.org/licenses/>.
 
 \********************************************************************/
 
diff --git a/strlcpy.c b/strlcpy.c
index 7b5fb74..586c2bc 100644
--- a/strlcpy.c
+++ b/strlcpy.c
@@ -2,10 +2,27 @@
 
    Name:         strlcpy.c
    Created by:   Stefan Ritt
+   Copyright 2000 + Stefan Ritt
 
    Contents:     Contains strlcpy and strlcat which are versions of
                  strcpy and strcat, but which avoid buffer overflows
 
+	
+  This file is part of MIDAS XML Library.
+
+  MIDAS XML Library 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 3 of the License, or
+  (at your option) any later version.
+
+  MIDAS XML Library 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 MIDAS XML Library.  If not, see <http://www.gnu.org/licenses/>.
+   
 \********************************************************************/
 
 #include <stdio.h>
diff --git a/strlcpy.h b/strlcpy.h
index cc7f09f..589a644 100644
--- a/strlcpy.h
+++ b/strlcpy.h
@@ -2,8 +2,24 @@
 
    Name:         strlcpy.h
    Created by:   Stefan Ritt
+   Copyright 2000 + Stefan Ritt
 
    Contents:     Header file for strlcpy.c
+   
+   This file is part of MIDAS XML Library.
+
+   MIDAS XML Library 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 3 of the License, or
+   (at your option) any later version.
+
+   MIDAS XML Library 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 MIDAS XML Library.  If not, see <http://www.gnu.org/licenses/>.
 
 \********************************************************************/