76 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
/*-
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 * Copyright (c) 1991 The Regents of the University of California.
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 * All rights reserved.
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 *
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 * This code is derived from software contributed to Berkeley by
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 * Kenneth Almquist.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *	This product includes software developed by the University of
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 *	California, Berkeley and its contributors.
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 * 4. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 *	@(#)exec.h	5.1 (Berkeley) 3/7/91
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 */
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/* values of cmdtype */
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#define CMDUNKNOWN -1		/* no entry in table for command */
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#define CMDNORMAL 0		/* command is an executable program */
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#define CMDBUILTIN 1		/* command is a shell builtin */
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#define CMDFUNCTION 2		/* command is a shell function */
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struct cmdentry {
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	int cmdtype;
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	union param {
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		int index;
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		union node *func;
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	} u;
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};
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extern char *pathopt;		/* set by padvance */
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#ifdef __STDC__
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void shellexec(char **, char **, char *, int);
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char *padvance(char **, char *);
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void find_command(char *, struct cmdentry *, int);
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int find_builtin(char *);
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void hashcd(void);
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void changepath(char *);
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void defun(char *, union node *);
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void unsetfunc(char *);
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#else
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void shellexec();
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char *padvance();
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void find_command();
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int find_builtin();
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void hashcd();
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void changepath();
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void defun();
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void unsetfunc();
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#endif
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