1 * Redistribution and use in source and binary forms are permitted provided 2 * that: (1) source distributions retain this entire copyright notice and 3 * comment, and (2) distributions including binaries display the following 4 * acknowledgement: ``This product includes software developed by the 5 * University of California, Berkeley and its contributors'' in the 6 * documentation or other materials provided with the distribution and in 7 * all advertising materials mentioning features or use of this software. 8 * Neither the name of the University nor the names of its contributors may 9 * be used to endorse or promote products derived from this software without 10 * specific prior written permission. 11 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 12 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 14