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