/*
 * Copyright Wietse Venema 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995.
 * Written by Wietse Venema 
 *
 * Portions are Copyright University of Toronto, 1994, 1995.
 * Written by John DiMarco, Matthew Lee 
 *
 * Portions are Copyright (C) 1992-98 Digi International.
 * All rights reserved.
 * Written by Dennis Cronin
 *
 * Permission is granted to anyone to use this software for any purpose on
 * any computer system, and to alter it and redistribute it freely, subject
 * to the following restrictions:
 *
 * 1. The authors, the University of Toronto, and Digi International
 *    are not responsible for the consequences of use of this software,
 *    no matter how awful, even if they arise from flaws in it.
 *
 * 2. The origin of this software must not be misrepresented, either by
 *    explicit claim or by omission.  Since few users ever read sources,
 *    credits must appear in the documentation.
 *
 * 3. Altered versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.  Since few users
 *    ever read sources, credits must appear in the documentation.
 *
 * 4. This notice may not be removed or altered.
 */
