1 * Copyright (c) 1980,1986,1988,1990 The 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: (1) source distributions retain this entire copyright
6 * notice and comment, and (2) distributions including binaries display
7 * the following acknowledgement:  ``This product includes software
8 * developed by the University of California, Berkeley and its contributors''
9 * in the documentation or other materials provided with the distribution
10 * and in all advertising materials mentioning features or use of this
11 * software. Neither the name of the University nor the names of its
12 * contributors may be used to endorse or promote products derived
13 * from this software without specific prior written permission.
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
17