| 1 | /*      $NetBSD: shell.h,v 1.17 2003/08/07 09:05:38 agc Exp $   */ | 
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| 2 |  | 
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| 3 | /*- | 
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| 4 | * Copyright (c) 1991, 1993 | 
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| 5 | *      The Regents of the University of California.  All rights reserved. | 
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| 6 | * | 
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| 7 | * This code is derived from software contributed to Berkeley by | 
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| 8 | * Kenneth Almquist. | 
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| 9 | * | 
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| 10 | * Redistribution and use in source and binary forms, with or without | 
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| 11 | * modification, are permitted provided that the following conditions | 
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| 12 | * are met: | 
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| 13 | * 1. Redistributions of source code must retain the above copyright | 
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| 14 | *    notice, this list of conditions and the following disclaimer. | 
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright | 
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| 16 | *    notice, this list of conditions and the following disclaimer in the | 
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| 17 | *    documentation and/or other materials provided with the distribution. | 
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| 18 | * 3. Neither the name of the University nor the names of its contributors | 
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| 19 | *    may be used to endorse or promote products derived from this software | 
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| 20 | *    without specific prior written permission. | 
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| 21 | * | 
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| 22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | 
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| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
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| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 
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| 25 | * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | 
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| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
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| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | 
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| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | 
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| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | 
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| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 
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| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 
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| 32 | * SUCH DAMAGE. | 
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| 33 | * | 
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| 34 | *      @(#)shell.h     8.2 (Berkeley) 5/4/95 | 
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| 35 | */ | 
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| 36 |  | 
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| 37 | /* | 
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| 38 | * The follow should be set to reflect the type of system you have: | 
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| 39 | *      JOBS -> 1 if you have Berkeley job control, 0 otherwise. | 
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| 40 | *      SHORTNAMES -> 1 if your linker cannot handle long names. | 
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| 41 | *      define BSD if you are running 4.2 BSD or later. | 
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| 42 | *      define SYSV if you are running under System V. | 
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| 43 | *      define DEBUG=1 to compile in debugging ('set -o debug' to turn on) | 
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| 44 | *      define DEBUG=2 to compile in and turn on debugging. | 
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| 45 | *      define DO_SHAREDVFORK to indicate that vfork(2) shares its address | 
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| 46 | *             with its parent. | 
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| 47 | * | 
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| 48 | * When debugging is on, debugging info will be written to ./trace and | 
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| 49 | * a quit signal will generate a core dump. | 
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| 50 | */ | 
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| 51 |  | 
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| 52 | #include <sys/param.h> | 
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| 53 |  | 
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| 54 | #define JOBS 1 | 
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| 55 | #ifndef BSD | 
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| 56 | #define BSD 1 | 
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| 57 | #endif | 
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| 58 |  | 
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| 59 | #ifndef DO_SHAREDVFORK | 
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| 60 | #if __NetBSD_Version__ >= 104000000 | 
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| 61 | #define DO_SHAREDVFORK | 
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| 62 | #endif | 
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| 63 | #endif | 
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| 64 |  | 
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| 65 | typedef void *pointer; | 
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| 66 | #ifndef NULL | 
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| 67 | #define NULL (void *)0 | 
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| 68 | #endif | 
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| 69 | #define STATIC  /* empty */ | 
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| 70 | #define MKINIT  /* empty */ | 
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| 71 |  | 
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| 72 | #include <sys/cdefs.h> | 
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| 73 |  | 
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| 74 | extern char nullstr[1];         /* null string */ | 
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| 75 |  | 
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| 76 |  | 
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| 77 | #ifdef DEBUG | 
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| 78 | #define TRACE(param)    trace param | 
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| 79 | #define TRACEV(param)   tracev param | 
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| 80 | #else | 
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| 81 | #define TRACE(param) | 
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| 82 | #define TRACEV(param) | 
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| 83 | #endif | 
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