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exec.h revision 1.7 
      1 /*	$NetBSD: exec.h,v 1.7 1995/03/21 09:09:02 cgd Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1991, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Kenneth Almquist.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the University of
     21  *	California, Berkeley and its contributors.
     22  * 4. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  *
     38  *	@(#)exec.h	8.1 (Berkeley) 5/31/93
     39  */
     40 
     41 /* values of cmdtype */
     42 #define CMDUNKNOWN -1		/* no entry in table for command */
     43 #define CMDNORMAL 0		/* command is an executable program */
     44 #define CMDBUILTIN 1		/* command is a shell builtin */
     45 #define CMDFUNCTION 2		/* command is a shell function */
     46 
     47 
     48 struct cmdentry {
     49 	int cmdtype;
     50 	union param {
     51 		int index;
     52 		union node *func;
     53 	} u;
     54 };
     55 
     56 
     57 extern char *pathopt;		/* set by padvance */
     58 
     59 #ifdef __STDC__
     60 void shellexec(char **, char **, char *, int);
     61 char *padvance(char **, char *);
     62 void find_command(char *, struct cmdentry *, int);
     63 int find_builtin(char *);
     64 void hashcd(void);
     65 void changepath(char *);
     66 void defun(char *, union node *);
     67 int unsetfunc(char *);
     68 #else
     69 void shellexec();
     70 char *padvance();
     71 void find_command();
     72 int find_builtin();
     73 void hashcd();
     74 void changepath();
     75 void defun();
     76 int unsetfunc();
     77 #endif
     78