Copyright (c) 1997 by the University of Southern California
All rights reserved.

Permission to use, copy, modify, and distribute this software and its
documentation in source and binary forms for non-commercial purposes
and without fee is hereby granted, provided that the above copyright
notice appear in all copies and that both the copyright notice and
this permission notice appear in supporting documentation. and that
any documentation, advertising materials, and other materials related
to such distribution and use acknowledge that the software was
developed by the University of Southern California, Information
Sciences Institute.  The name of the University may not be used to
endorse or promote products derived from this software without
specific prior written permission.

THE UNIVERSITY OF SOUTHERN CALIFORNIA makes no representations about
the suitability of this software for any purpose.  THIS SOFTWARE IS
PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

Other copyrights might apply to parts of this software and are so
noted when applicable.