2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
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9 * modification, are permitted provided that the following conditions
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. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 /* values of cmdtype */
34 #define CMDUNKNOWN -1 /* no entry in table for command */
35 #define CMDNORMAL 0 /* command is an executable program */
36 #define CMDBUILTIN 1 /* command is a shell builtin */
37 #define CMDFUNCTION 2 /* command is a shell function */
39 /* values for typecmd_impl's third parameter */
41 TYPECMD_SMALLV, /* command -v */
42 TYPECMD_BIGV, /* command -V */
43 TYPECMD_TYPE /* type */
58 /* action to find_command() */
59 #define DO_ERR 0x01 /* prints errors */
60 #define DO_NOFUNC 0x02 /* don't return shell functions, for command */
62 void shellexec(char **, char **, const char *, int) __dead2;
63 char *padvance(const char **, const char **, const char *);
64 void find_command(const char *, struct cmdentry *, int, const char *);
65 int find_builtin(const char *, int *);
67 void changepath(const char *);
68 void defun(const char *, union node *);
69 int unsetfunc(const char *);
70 int isfunc(const char *);
71 int typecmd_impl(int, char **, int, const char *);
72 void clearcmdentry(void);
73 const void *itercmd(const void *, struct cmdentry *);