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 * %sccs.include.redist.c% 9 * 10 * @(#)exec.h 8.1 (Berkeley) 05/31/93 11 */ 12 13 /* values of cmdtype */ 14 #define CMDUNKNOWN -1 /* no entry in table for command */ 15 #define CMDNORMAL 0 /* command is an executable program */ 16 #define CMDBUILTIN 1 /* command is a shell builtin */ 17 #define CMDFUNCTION 2 /* command is a shell function */ 18 19 20 struct cmdentry { 21 int cmdtype; 22 union param { 23 int index; 24 union node *func; 25 } u; 26 }; 27 28 29 extern char *pathopt; /* set by padvance */ 30 31 #ifdef __STDC__ 32 void shellexec(char **, char **, char *, int); 33 char *padvance(char **, char *); 34 void find_command(char *, struct cmdentry *, int); 35 int find_builtin(char *); 36 void hashcd(void); 37 void changepath(char *); 38 void defun(char *, union node *); 39 int unsetfunc(char *); 40 #else 41 void shellexec(); 42 char *padvance(); 43 void find_command(); 44 int find_builtin(); 45 void hashcd(); 46 void changepath(); 47 void defun(); 48 int unsetfunc(); 49 #endif 50