1 * Copyright (c) 1987 Regents of the University of California. 2 * All rights reserved. 3 * 4 * Redistribution and use in source and binary forms are permitted 5 * provided that the above copyright notice and this paragraph are 6 * duplicated in all such forms and that any documentation, 7 * advertising materials, and other materials related to such 8 * distribution and use acknowledge that the software was developed 9 * by the University of California, Berkeley. The name of the 10 * University may not be used to endorse or promote products derived 11 * from this software without specific prior written permission. 12 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 13 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 14 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 15