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 * @(#)exec.h 8.1 (Berkeley) 5/31/93 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 int 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 int unsetfunc(); 75 #endif 76