shell.h revision 50471
11556Srgrimes/*- 21556Srgrimes * Copyright (c) 1991, 1993 31556Srgrimes * The Regents of the University of California. All rights reserved. 41556Srgrimes * 51556Srgrimes * This code is derived from software contributed to Berkeley by 61556Srgrimes * Kenneth Almquist. 71556Srgrimes * 81556Srgrimes * Redistribution and use in source and binary forms, with or without 91556Srgrimes * modification, are permitted provided that the following conditions 101556Srgrimes * are met: 111556Srgrimes * 1. Redistributions of source code must retain the above copyright 121556Srgrimes * notice, this list of conditions and the following disclaimer. 131556Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141556Srgrimes * notice, this list of conditions and the following disclaimer in the 151556Srgrimes * documentation and/or other materials provided with the distribution. 161556Srgrimes * 3. All advertising materials mentioning features or use of this software 171556Srgrimes * must display the following acknowledgement: 181556Srgrimes * This product includes software developed by the University of 191556Srgrimes * California, Berkeley and its contributors. 201556Srgrimes * 4. Neither the name of the University nor the names of its contributors 211556Srgrimes * may be used to endorse or promote products derived from this software 221556Srgrimes * without specific prior written permission. 231556Srgrimes * 241556Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251556Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261556Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271556Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281556Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291556Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301556Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311556Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321556Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331556Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341556Srgrimes * SUCH DAMAGE. 351556Srgrimes * 3617987Speter * @(#)shell.h 8.2 (Berkeley) 5/4/95 3750471Speter * $FreeBSD: head/bin/sh/shell.h 50471 1999-08-27 23:15:48Z peter $ 381556Srgrimes */ 391556Srgrimes 401556Srgrimes/* 411556Srgrimes * The follow should be set to reflect the type of system you have: 421556Srgrimes * JOBS -> 1 if you have Berkeley job control, 0 otherwise. 431556Srgrimes * SHORTNAMES -> 1 if your linker cannot handle long names. 441556Srgrimes * define BSD if you are running 4.2 BSD or later. 451556Srgrimes * define SYSV if you are running under System V. 461556Srgrimes * define DEBUG=1 to compile in debugging (set global "debug" to turn on) 471556Srgrimes * define DEBUG=2 to compile in and turn on debugging. 481556Srgrimes * 491556Srgrimes * When debugging is on, debugging info will be written to $HOME/trace and 501556Srgrimes * a quit signal will generate a core dump. 511556Srgrimes */ 521556Srgrimes 531556Srgrimes 541556Srgrimes#define JOBS 1 551556Srgrimes#ifndef BSD 561556Srgrimes#define BSD 1 571556Srgrimes#endif 5817988Speter/* #define DEBUG 1 */ 591556Srgrimes 601556Srgrimes#ifdef __STDC__ 611556Srgrimestypedef void *pointer; 621556Srgrimes#ifndef NULL 631556Srgrimes#define NULL (void *)0 641556Srgrimes#endif 651556Srgrimes#else /* not __STDC__ */ 661556Srgrimestypedef char *pointer; 671556Srgrimes#ifndef NULL 681556Srgrimes#define NULL 0 691556Srgrimes#endif 701556Srgrimes#endif /* not __STDC__ */ 7119281Sache#define STATIC static 721556Srgrimes#define MKINIT /* empty */ 731556Srgrimes 741556Srgrimes#include <sys/cdefs.h> 751556Srgrimes 761556Srgrimesextern char nullstr[1]; /* null string */ 771556Srgrimes 781556Srgrimes 791556Srgrimes#ifdef DEBUG 8020425Ssteve#define TRACE(param) trace param 811556Srgrimes#else 821556Srgrimes#define TRACE(param) 831556Srgrimes#endif 84