Copyright (c) 1983, 1990, 1993
    9:  *    The Regents of the University of California.  All rights reserved.
   10:  *
   11:  * Redistribution and use in source and binary forms, with or without
   12:  * modification, are permitted provided that the following conditions
   13:  * are met:
   14:  * 1. Redistributions of source code must retain the above copyright
   15:  *    notice, this list of conditions and the following disclaimer.
   16:  * 2. Redistributions in binary form must reproduce the above copyright
   17:  *    notice, this list of conditions and the following disclaimer in the
   18:  *    documentation and/or other materials provided with the distribution.
   19:  * 3. All advertising materials mentioning features or use of this software
   20:  *    must display the following acknowledgement:
   21:  * This product includes software developed by the University of
   22:  * California, Berkeley and its contributors.
   23:  * 4. Neither the name of the University nor the names of its contributors
   24:  *    may be used to endorse or promote products derived from this software
   25:  *    without specific prior written permission.
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   27:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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   34:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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   36:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   37:  * SUCH DAMAGE.