/*
 * Copyright (C) 1984-2017  Mark Nudelman
 *
 * You may distribute under the terms of either the GNU General Public
 * License or the Less License, as specified in the README file.
 *
 * For more information, see the README file.
 */


/*
 * Include file for interfacing to position.c modules.
 */
#define	TOP		(0)
#define	TOP_PLUS_ONE	(1)
#define	BOTTOM		(-1)
#define	BOTTOM_PLUS_ONE	(-2)
#define	MIDDLE		(-3)