1 Copyright (c) 1980, 1989, 1990, 1993, 1994

     2     The Regents of the University of California.  All rights reserved.

     3 

     4 Redistribution and use in source and binary forms, with or without

     5 modification, are permitted provided that the following conditions

     6 are met:

     7 1. Redistributions of source code must retain the above copyright

     8    notice, this list of conditions and the following disclaimer.

     9 2. Redistributions in binary form must reproduce the above copyright

    10    notice, this list of conditions and the following disclaimer in the

    11    documentation and/or other materials provided with the distribution.

    12 3. All advertising materials mentioning features or use of this software

    13    must display the following acknowledgement:

    14     This product includes software developed by the University of

    15     California, Berkeley and its contributors.

    16 4. Neither the name of the University nor the names of its contributors

    17    may be used to endorse or promote products derived from this software

    18    without specific prior written permission.

    19 

    20 THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

    21 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    23 ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

    24 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

    25 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

    26 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    27 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

    28 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

    29 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

    30 SUCH DAMAGE.