/*
 * 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 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */
/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/*
 *      UNIX shell
 */

#include                <setjmp.h>
#include                "mode.h"
#include                "name.h"
#include                <sys/param.h>
#ifndef NOFILE
#define NOFILE 20
#endif
/* temp files and io */

int                             output = 2;
int                             ioset;
struct ionod    *iotemp;        /* files to be deleted sometime */
struct ionod    *fiotemp;       /* function files to be deleted sometime */
struct ionod    *iopend;        /* documents waiting to be read at NL */
struct fdsave   fdmap[NOFILE];

/* substitution */
int                             dolc;
unsigned char                   **dolv;
struct dolnod   *argfor;
struct argnod   *gchain;


/* name tree and words */
int                             wdval;
int                             wdnum;
int                             fndef;
int                             nohash;
struct argnod   *wdarg;
int                             wdset;
BOOL                    reserv;

/* special names */
unsigned char                   *pcsadr;
unsigned char                   *pidadr;
unsigned char                   *cmdadr;

/* transput */
int                     tmpout_offset;
unsigned int            serial;
unsigned                peekc;
unsigned                peekn;
unsigned char                   *comdiv;
long                    flags;
int                             rwait;  /* flags read waiting */

/* error exits from various parts of shell */
jmp_buf                 subshell;
jmp_buf                 errshell;

/* fault handling */
BOOL                    trapnote;

/* execflgs */
int                             exitval;
int                             retval;
BOOL                    execbrk;
int                             loopcnt;
int                             breakcnt;
int                     funcnt;
int                             eflag;
/*
 * The following flag is set if you try to exit with stopped jobs.
 * On the second try the exit will succeed.
 */
int                     tried_to_exit;
/*
 * The following flag is set to true if /usr/ucb is found in the path
 * before /usr/bin. This value is checked when executing the echo and test
 * built-in commands. If true, the command behaves as in BSD systems.
 */
int                             ucb_builtins;

/* The following stuff is from stak.h   */

unsigned char                   *stakbas;
unsigned char                   *staktop;
unsigned char                   *stakbot = 0;
struct blk                      *stakbsy;
unsigned char                   *brkend;