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  1. /*  $NetBSD: shell.h,v 1.13 2000/05/22 10:18:47 elric Exp $ */
  2.  
  3. /*-
  4.  * Copyright (c) 1991, 1993
  5.  *  The Regents of the University of California.  All rights reserved.
  6.  *
  7.  * This code is derived from software contributed to Berkeley by
  8.  * Kenneth Almquist.
  9.  *
  10.  * Redistribution and use in source and binary forms, with or without
  11.  * modification, are permitted provided that the following conditions
  12.  * are met:
  13.  * 1. Redistributions of source code must retain the above copyright
  14.  *    notice, this list of conditions and the following disclaimer.
  15.  * 2. Redistributions in binary form must reproduce the above copyright
  16.  *    notice, this list of conditions and the following disclaimer in the
  17.  *    documentation and/or other materials provided with the distribution.
  18.  * 3. All advertising materials mentioning features or use of this software
  19.  *    must display the following acknowledgement:
  20.  *  This product includes software developed by the University of
  21.  *  California, Berkeley and its contributors.
  22.  * 4. Neither the name of the University nor the names of its contributors
  23.  *    may be used to endorse or promote products derived from this software
  24.  *    without specific prior written permission.
  25.  *
  26.  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27.  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30.  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34.  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36.  * SUCH DAMAGE.
  37.  *
  38.  *  @(#)shell.h 8.2 (Berkeley) 5/4/95
  39.  */
  40.  
  41. /*
  42.  * The follow should be set to reflect the type of system you have:
  43.  *  JOBS -> 1 if you have Berkeley job control, 0 otherwise.
  44.  *  SHORTNAMES -> 1 if your linker cannot handle long names.
  45.  *  define BSD if you are running 4.2 BSD or later.
  46.  *  define SYSV if you are running under System V.
  47.  *  define DEBUG=1 to compile in debugging (set global "debug" to turn on)
  48.  *  define DEBUG=2 to compile in and turn on debugging.
  49.  *
  50.  * When debugging is on, debugging info will be written to $HOME/trace and
  51.  * a quit signal will generate a core dump.
  52.  */
  53.  
  54.  
  55. #define JOBS 0
  56. #ifndef BSD
  57. #define BSD 1
  58. #endif
  59.  
  60. //#include "fake.h"
  61.  
  62. #ifdef __STDC__
  63. typedef void *pointer;
  64. #ifndef NULL
  65. #define NULL (void *)0
  66. #endif
  67. #else /* not __STDC__ */
  68. typedef char *pointer;
  69. #ifndef NULL
  70. #define NULL 0
  71. #endif
  72. #endif /*  not __STDC__ */
  73. #define STATIC  /* empty */
  74. #define MKINIT  /* empty */
  75.  
  76. #include <sys/cdefs.h>
  77.  
  78. extern char nullstr[1];     /* null string */
  79.  
  80.  
  81. #ifdef DEBUG
  82. #define TRACE(param)    trace param
  83. #else
  84. #define TRACE(param)
  85. #endif
  86.  
  87.