Copyright (c) 1990 by Sun Microsystems, Inc. 
Author: Patrick J. Naughton naughton@wind.sun.com 

Permission to use, copy, modify, and distribute this software and its 
documentation for any purpose and without fee is hereby granted, 
provided that the above copyright notice appear in all copies and 
that both that copyright notice and this permission notice appear in 
supporting documentation. 

This file is provided AS IS with no warranties of any kind. The author 
shall have no liability with respect to the infringement of copyrights, 
trade secrets or any patents by this file or any part thereof. In no event 
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indirect and consequential damages.