Copyright (c) 2000, 2001, Perforce Software, Inc.
      All rights reserved.

      Redistribution and use in source and binary forms, with or without
      modification, are permitted provided that the following conditions are
      met:

	   - Redistributions of source code must retain the above copyright
	     notice, this list of conditions and the following disclaimer. 
	   - 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. 
	   - Neither the name of the Perforce Software, Inc.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 COPYRIGHT HOLDERS
      AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
      WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
      WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
      PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
      THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
      INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
      CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
      PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
      USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
      WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
      NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
      USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
      OF SUCH DAMAGE.