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//
// sh.h
//
// Shell
//
// Copyright (C) 2011 Michael Ringgaard. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 
// 1. Redistributions of source code must retain the above copyright 
//    notice, this list of conditions and the following disclaimer.  
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.  
// 3. Neither the name of the project nor the names of its contributors
//    may be used to endorse or promote products derived from this software
//    without specific prior written permission. 
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
// SUCH DAMAGE.
// 

#ifndef SH_H
#define SH_H

#include <os.h>
#include <crtbase.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <io.h>
#include <inifile.h>
#include <glob.h>
#include <fnmatch.h>
#include <libgen.h>
#include <shlib.h>

#include "stmalloc.h"
#include "input.h"
#include "chartype.h"
#include "node.h"
#include "parser.h"
#include "job.h"
#include "interp.h"

#define MAX_COMMAND_LEN 8
#define MAX_INTSTR      12

typedef int (*builtin_t)(struct job *job);

#define builtin(name) __declspec(dllexport) int builtin_##name(struct job *job)

//
// Function definition
//

struct function {
  union node *def;
  struct stkmark mark;
  struct function *next;
};

//
// Shell
//

struct shell {
  struct job *top;
  struct job *jobs;
  struct function *funcs;
  int fd[STD_HANDLES];
  int lastpid;
  int lastrc;
  int done;
  int debug;
  struct term *term;
};

#endif