This entire subtree is copyright Walter Tichy
The following copyright notice applies to all files found here.  None of
these files contain AT&T proprietary source code.
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/* Copyright (C) 1982, 1988, 1989 Walter Tichy
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by Walter Tichy.
 * 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.
 *
 * Report all problems and direct all questions to:
 *   rcs-bugs@cs.purdue.edu
 * 
 */