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exec.h revision 1.1 
      1 /*-
      2  * Copyright (c) 1991 The Regents of the University of California.
      3  * 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  *	@(#)exec.h	5.1 (Berkeley) 3/7/91
     37  */
     38 
     39 /* values of cmdtype */
     40 #define CMDUNKNOWN -1		/* no entry in table for command */
     41 #define CMDNORMAL 0		/* command is an executable program */
     42 #define CMDBUILTIN 1		/* command is a shell builtin */
     43 #define CMDFUNCTION 2		/* command is a shell function */
     44 
     45 
     46 struct cmdentry {
     47 	int cmdtype;
     48 	union param {
     49 		int index;
     50 		union node *func;
     51 	} u;
     52 };
     53 
     54 
     55 extern char *pathopt;		/* set by padvance */
     56 
     57 #ifdef __STDC__
     58 void shellexec(char **, char **, char *, int);
     59 char *padvance(char **, char *);
     60 void find_command(char *, struct cmdentry *, int);
     61 int find_builtin(char *);
     62 void hashcd(void);
     63 void changepath(char *);
     64 void defun(char *, union node *);
     65 void unsetfunc(char *);
     66 #else
     67 void shellexec();
     68 char *padvance();
     69 void find_command();
     70 int find_builtin();
     71 void hashcd();
     72 void changepath();
     73 void defun();
     74 void unsetfunc();
     75 #endif
     76