Copyright (c) 1989 The Regents of the University of California.&#xA;All rights reserved.&#xA;&#xA;This code is derived from software contributed to Berkeley by&#xA;Mike Muuss.&#xA;&#xA;Redistribution and use in source and binary forms, with or without&#xA;modification, are permitted provided that the following conditions&#xA;are met:&#xA;1. Redistributions of source code must retain the above copyright&#xA;   notice, this list of conditions and the following disclaimer.&#xA;2. Redistributions in binary form must reproduce the above copyright&#xA;   notice, this list of conditions and the following disclaimer in the&#xA;   documentation and/or other materials provided with the distribution.&#xA;3. All advertising materials mentioning features or use of this software&#xA;   must display the following acknowledgement:&#xA;     This product includes software developed by the University of&#xA;     California, Berkeley and its contributors.&#xA;4. Neither the name of the University nor the names of its contributors&#xA;   may be used to endorse or promote products derived from this software&#xA;   without specific prior written permission.&#xA;&#xA;THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS&#39;&#39; AND&#xA;ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE&#xA;IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE&#xA;ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE&#xA;FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL&#xA;DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS&#xA;OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)&#xA;HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT&#xA;LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY&#xA;OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF&#xA;SUCH DAMAGE.&#xA;