/*
 * Written by Susan Thomson, Bell Communications Research.
 *
 * Copyright (c) 1993 Bell Communications Research Inc. (Bellcore).
 *
 * Permission to use, copy, modify and distribute this material for any
 * purpose and without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies,
 * and the name of Bellcore not be used in  advertising or publicity
 * pertaining to this material without the specific, prior written
 * permission of an authorized representative of Bellcore. BELLCORE
 * MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS MATERIAL
 * FOR ANY PURPOSE. IT IS PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES.
 */
