98 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| /*-
 | |
|  * Copyright (c) 1991 The Regents of the University of California.
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * This code is derived from software contributed to Berkeley by
 | |
|  * Kenneth Almquist.
 | |
|  *
 | |
|  * 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. All advertising materials mentioning features or use of this software
 | |
|  *    must display the following acknowledgement:
 | |
|  *	This product includes software developed by the University of
 | |
|  *	California, Berkeley and its contributors.
 | |
|  * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
 | |
|  *
 | |
|  *	@(#)shell.h	5.4 (Berkeley) 4/12/91
 | |
|  */
 | |
| 
 | |
| /*
 | |
|  * The follow should be set to reflect the type of system you have:
 | |
|  *	JOBS -> 1 if you have Berkeley job control, 0 otherwise.
 | |
|  *	SYMLINKS -> 1 if your system includes symbolic links, 0 otherwise.
 | |
|  *	DIRENT -> 1 if your system has the SVR3 directory(3X) routines.
 | |
|  *	UDIR -> 1 if you want the shell to simulate the /u directory.
 | |
|  *	TILDE -> 1 if you want the shell to expand ~logname.
 | |
|  *	USEGETPW -> 1 if getpwnam() must be used to look up a name.
 | |
|  *	ATTY -> 1 to include code for atty(1).
 | |
|  *	SHORTNAMES -> 1 if your linker cannot handle long names.
 | |
|  *	READLINE -> 1 if line editing by readline() should be enabled.
 | |
|  *	define BSD if you are running 4.2 BSD or later.
 | |
|  *	define SYSV if you are running under System V.
 | |
|  *	define DEBUG=1 to compile in debugging (set global "debug" to turn on)
 | |
|  *	define DEBUG=2 to compile in and turn on debugging.
 | |
|  *
 | |
|  * When debugging is on, debugging info will be written to $HOME/trace and
 | |
|  * a quit signal will generate a core dump.
 | |
|  */
 | |
| 
 | |
| 
 | |
| #define JOBS	  0
 | |
| #define SYMLINKS  defined(S_ISLNK)
 | |
| #define DIRENT	  1
 | |
| #define UDIR	  0
 | |
| #define TILDE	  1
 | |
| #define USEGETPW  0
 | |
| #define ATTY	  0
 | |
| #define READLINE  1
 | |
| #define HASHBANG  0
 | |
| /* #define BSD */
 | |
| #define POSIX	  1
 | |
| #define DEBUG	  0
 | |
| 
 | |
| #ifdef __STDC__
 | |
| typedef void *pointer;
 | |
| #ifndef NULL
 | |
| #define NULL (void *)0
 | |
| #endif
 | |
| #else /* not __STDC__ */
 | |
| typedef char *pointer;
 | |
| #ifndef NULL
 | |
| #define NULL 0
 | |
| #endif
 | |
| #endif /*  not __STDC__ */
 | |
| #define STATIC	/* empty */
 | |
| #define MKINIT	/* empty */
 | |
| 
 | |
| #include <sys/cdefs.h>
 | |
| #include <sys/types.h>
 | |
| 
 | |
| extern char nullstr[1];		/* null string */
 | |
| 
 | |
| 
 | |
| #if DEBUG
 | |
| #define TRACE(param)	trace param
 | |
| #else
 | |
| #define TRACE(param)
 | |
| #endif
 | 
