* Copyright (c) 1997
 * Digital Equipment Corporation.  All rights reserved.
 * 
 * By downloading, installing, using, modifying or distributing this
 * software, you agree to the following:
 * 
 * 1. CONDITIONS. Subject to the following conditions, you may download,
 * install, use, modify and distribute this software in source and binary
 * forms:
 * 
 * a) Any source code, binary code and associated documentation
 * (including the online manual) used, modified or distributed must
 * reproduce and retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 * 
 * b) No right is granted to use any trade name, trademark or logo of
 * Digital Equipment Corporation.  Neither the "Digital Equipment
 * Corporation" name nor any trademark or logo of Digital Equipment
 * Corporation may be used to endorse or promote products derived from
 * this software without the prior written permission of Digital
 * Equipment Corporation.
 * 
 * 2.  DISCLAIMER.  THIS SOFTWARE IS PROVIDED BY DIGITAL "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 DIGITAL 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.