*-------------------------------------------------- 
 * Copyright (c) 1992, 1994, 1997 Board of Trustees 
 *            Leland Stanford Jr. University 
 *************************************************** 

/* 
 * 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 Stanford University.  The name of the University may not be used 
 * to endorse or promote products derived from this software without 
 * specific prior written permission. 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 
 */