/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */


/* Copyright (c) 1981 Regents of the University of California */
#ident  "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.6   */

#include <regexpr.h>
/*
 * Regular expression definitions.
 * The regular expressions in ex are similar to those in ed,
 * with the addition of the word boundaries from Toronto ed
 * and allowing character classes to have [a-b] as in the shell.
 * The numbers for the nodes below are spaced further apart then
 * necessary because I at one time partially put in + and | (one or
 * more and alternation.)
 */
#define EXPSIZ  (ESIZE + 2)

struct  regexp {
        unsigned char   Expbuf[EXPSIZ];
        short   Nbra;
};

/*
 * There are three regular expressions here, the previous (in re),
 * the previous substitute (in subre) and the previous scanning (in scanre).
 * It would be possible to get rid of "re" by making it a stack parameter
 * to the appropriate routines.
 */
var struct      regexp *re;             /* Last re */
var struct      regexp *scanre;         /* Last scanning re */
var struct      regexp *subre;          /* Last substitute re */

/*
 * Since the phototypesetter v7-epsilon
 * C compiler doesn't have structure assignment...
 */
void savere(struct regexp ** a);
void resre(struct regexp * a);

/*
 * Definitions for substitute
 */
var unsigned char       rhsbuf[RHSSIZE];        /* Rhs of last substitute */