Part of Libnodave, a free communication libray for Siemens S7
 
 (C) Thomas Hergenhahn (thomas.hergenhahn@web.de) 2005.

 Libnodave is free software; you can redistribute it and/or modify
 it under the terms of the GNU Library General Public License as published by
 the Free Software Foundation; either version 2, or (at your option)
 any later version.

 Libnodave 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 Library General Public License
 along with this; see the file COPYING.  If not, write to
 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.