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1/* builtins.h -- What a builtin looks like, and where to find them. */
2
3/* Copyright (C) 1987,1991 Free Software Foundation, Inc.
4
5 This file is part of GNU Bash, the Bourne Again SHell.
6
7 Bash is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 1, or (at your option)
10 any later version.
11
12 Bash is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with Bash; see the file COPYING. If not, write to the Free
19 Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
20
21#include "config.h"
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22
23#if defined (HAVE_UNISTD_H)
24# include <unistd.h>
25#endif
26
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27#include "command.h"
28#include "general.h"
29
30#if defined (ALIAS)
31#include "alias.h"
32#endif
33
34/* Flags describing various things about a builtin. */
35#define BUILTIN_ENABLED 0x1 /* This builtin is enabled. */
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36#define BUILTIN_DELETED 0x2 /* This has been deleted with enable -d. */
37#define STATIC_BUILTIN 0x4 /* This builtin is not dynamically loaded. */
38#define SPECIAL_BUILTIN 0x8 /* This is a Posix `special' builtin. */
39#define ASSIGNMENT_BUILTIN 0x10 /* This builtin takes assignment statements. */
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40
41/* The thing that we build the array of builtins out of. */
42struct builtin {
43 char *name; /* The name that the user types. */
44 Function *function; /* The address of the invoked function. */
45 int flags; /* One of the #defines above. */
46 char **long_doc; /* NULL terminated array of strings. */
47 char *short_doc; /* Short version of documenation. */
ccc6cda3 48 char *handle; /* for future use */
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49};
50
51/* Found in builtins.c, created by builtins/mkbuiltins. */
52extern int num_shell_builtins; /* Number of shell builtins. */
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53extern struct builtin static_shell_builtins[];
54extern struct builtin *shell_builtins;
55extern struct builtin *current_builtin;