Copyright (c) 1990, 1993
            The Regents of the University of California.  All rights reserved.

            Redistribution and use in source and binary forms, with or without
            modification, are permitted provided that the following conditions
            are met:
            1. Redistributions of source code must retain the above copyright
              notice, this list of conditions and the following disclaimer.
            2. Redistributions in binary form must reproduce the above copyright
              notice, this list of conditions and the following disclaimer in the
              documentation and/or other materials provided with the distribution.
            [3 Deleted as of 22nd July 1999; see
                ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
                for details]
            4. Neither the name of the University nor the names of its contributors
              may be used to endorse or promote products derived from this software
              without specific prior written permission.

            THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
            ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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