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18a642a148
(struct cmd_list_element): Replace definition with opaque declaration. (enum cmd_types): Document that it will eventually be moved to cli/cli-decode.h (CMD_DEPRECATED, DEPRECATED_WARN_USER): Delete macros. (MALLOCED_REPLACEMENT): Delete macro. * Makefile.in (cli_decode_h): Add $(command_h). (top.o, completer.o, maint.o): Add dependency on $(cli_decode_h). * top.c: Include "cli/cli-decode.h". * completer.c: Include "cli/cli-decode.h". * maint.c: Include "cli/cli-decode.h". * cli/cli-decode.h: Include "command.h". (enum command_class): Delete. (enum cmd_types): Comment out. (enum cmd_auto_boolean): Delete. (enum var_types): Delete.
263 lines
9.2 KiB
C
263 lines
9.2 KiB
C
/* Header file for command-reading library command.c.
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Copyright 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1999,
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2000, 2002 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#if !defined (COMMAND_H)
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#define COMMAND_H 1
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/* Command classes are top-level categories into which commands are broken
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down for "help" purposes.
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Notes on classes: class_alias is for alias commands which are not
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abbreviations of the original command. class-pseudo is for
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commands which are not really commands nor help topics ("stop"). */
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enum command_class
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{
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/* Special args to help_list */
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class_deprecated, all_classes = -2, all_commands = -1,
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/* Classes of commands */
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no_class = -1, class_run = 0, class_vars, class_stack,
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class_files, class_support, class_info, class_breakpoint, class_trace,
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class_alias, class_obscure, class_user, class_maintenance,
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class_pseudo, class_tui, class_xdb
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};
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/* FIXME: cagney/2002-03-17: Once cmd_type() has been removed, ``enum
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cmd_types'' can be moved from "command.h" to "cli-decode.h". */
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/* Not a set/show command. Note that some commands which begin with
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"set" or "show" might be in this category, if their syntax does
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not fall into one of the following categories. */
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typedef enum cmd_types
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{
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not_set_cmd,
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set_cmd,
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show_cmd
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}
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cmd_types;
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/* Reasonable values for an AUTO_BOOLEAN variable. */
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enum cmd_auto_boolean
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{
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CMD_AUTO_BOOLEAN_TRUE,
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CMD_AUTO_BOOLEAN_FALSE,
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CMD_AUTO_BOOLEAN_AUTO
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};
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/* Types of "set" or "show" command. */
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typedef enum var_types
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{
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/* "on" or "off". *VAR is an integer which is nonzero for on,
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zero for off. */
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var_boolean,
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/* "on" / "true" / "enable" or "off" / "false" / "disable" or
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"auto. *VAR is an ``enum cmd_auto_boolean''. NOTE: In general
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a custom show command will need to be implemented - one that
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for "auto" prints both the "auto" and the current auto-selected
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value. */
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var_auto_boolean,
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/* Unsigned Integer. *VAR is an unsigned int. The user can type 0
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to mean "unlimited", which is stored in *VAR as UINT_MAX. */
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var_uinteger,
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/* Like var_uinteger but signed. *VAR is an int. The user can type 0
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to mean "unlimited", which is stored in *VAR as INT_MAX. */
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var_integer,
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/* String which the user enters with escapes (e.g. the user types \n and
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it is a real newline in the stored string).
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*VAR is a malloc'd string, or NULL if the string is empty. */
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var_string,
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/* String which stores what the user types verbatim.
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*VAR is a malloc'd string, or NULL if the string is empty. */
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var_string_noescape,
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/* String which stores a filename.
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*VAR is a malloc'd string, or NULL if the string is empty. */
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var_filename,
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/* ZeroableInteger. *VAR is an int. Like Unsigned Integer except
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that zero really means zero. */
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var_zinteger,
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/* Enumerated type. Can only have one of the specified values. *VAR is a
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char pointer to the name of the element that we find. */
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var_enum
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}
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var_types;
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/* This structure records one command'd definition. */
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struct cmd_list_element;
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/* Forward-declarations of the entry-points of cli/cli-decode.c. */
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extern struct cmd_list_element *add_cmd (char *, enum command_class,
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void (*fun) (char *, int), char *,
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struct cmd_list_element **);
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extern struct cmd_list_element *add_alias_cmd (char *, char *,
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enum command_class, int,
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struct cmd_list_element **);
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extern struct cmd_list_element *add_prefix_cmd (char *, enum command_class,
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void (*fun) (char *, int),
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char *,
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struct cmd_list_element **,
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char *, int,
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struct cmd_list_element **);
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extern struct cmd_list_element *add_abbrev_prefix_cmd (char *,
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enum command_class,
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void (*fun) (char *,
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int),
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char *,
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struct cmd_list_element
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**, char *, int,
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struct cmd_list_element
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**);
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/* Set the commands corresponding callback. */
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extern void set_cmd_cfunc (struct cmd_list_element *cmd,
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void (*cfunc) (char *args, int from_tty));
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extern void set_cmd_sfunc (struct cmd_list_element *cmd,
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void (*sfunc) (char *args, int from_tty,
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struct cmd_list_element * c));
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extern void set_cmd_completer (struct cmd_list_element *cmd,
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char **(*completer) (char *text, char *word));
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/* HACK: cagney/2002-02-23: Code, mostly in tracepoints.c, grubs
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around in cmd objects to test the value of the commands sfunc(). */
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extern int cmd_cfunc_eq (struct cmd_list_element *cmd,
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void (*cfunc) (char *args, int from_tty));
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/* Each command object has a local context attached to it. . */
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extern void set_cmd_context (struct cmd_list_element *cmd, void *context);
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extern void *get_cmd_context (struct cmd_list_element *cmd);
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/* Execute CMD's pre/post hook. Throw an error if the command fails.
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If already executing this pre/post hook, or there is no pre/post
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hook, the call is silently ignored. */
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extern void execute_cmd_pre_hook (struct cmd_list_element *cmd);
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extern void execute_cmd_post_hook (struct cmd_list_element *cmd);
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/* Return the type of the command. */
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/* NOTE: cagney/2002-03-17: The add_show_from_set() function clones
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the set command passed as a parameter. The clone operation will
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include (BUG?) any ``set'' command callback, if present. Commands
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like ``info set'' call all the ``show'' command callbacks.
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Unfortunatly, for ``show'' commands cloned from ``set'', this
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includes callbacks belonging to ``set'' commands. Making this
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worse, this only occures if add_show_from_set() is called after
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add_cmd_sfunc() (BUG?). */
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extern enum cmd_types cmd_type (struct cmd_list_element *cmd);
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extern struct cmd_list_element *lookup_cmd (char **,
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struct cmd_list_element *, char *,
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int, int);
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extern struct cmd_list_element *lookup_cmd_1 (char **,
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struct cmd_list_element *,
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struct cmd_list_element **,
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int);
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extern struct cmd_list_element *
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deprecate_cmd (struct cmd_list_element *, char * );
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extern void
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deprecated_cmd_warning (char **);
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extern int
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lookup_cmd_composition (char *text,
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struct cmd_list_element **alias,
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struct cmd_list_element **prefix_cmd,
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struct cmd_list_element **cmd);
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extern struct cmd_list_element *add_com (char *, enum command_class,
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void (*fun) (char *, int), char *);
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extern struct cmd_list_element *add_com_alias (char *, char *,
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enum command_class, int);
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extern struct cmd_list_element *add_info (char *, void (*fun) (char *, int),
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char *);
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extern struct cmd_list_element *add_info_alias (char *, char *, int);
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extern char **complete_on_cmdlist (struct cmd_list_element *, char *, char *);
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extern char **complete_on_enum (const char *enumlist[], char *, char *);
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extern void delete_cmd (char *, struct cmd_list_element **);
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extern void help_cmd (char *, struct ui_file *);
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extern void help_list (struct cmd_list_element *, char *,
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enum command_class, struct ui_file *);
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extern void help_cmd_list (struct cmd_list_element *, enum command_class,
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char *, int, struct ui_file *);
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extern struct cmd_list_element *add_set_cmd (char *name, enum
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command_class class,
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var_types var_type, void *var,
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char *doc,
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struct cmd_list_element **list);
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extern struct cmd_list_element *add_set_enum_cmd (char *name,
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enum command_class class,
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const char *enumlist[],
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const char **var,
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char *doc,
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struct cmd_list_element **list);
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extern struct cmd_list_element *add_set_auto_boolean_cmd (char *name,
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enum command_class class,
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enum cmd_auto_boolean *var,
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char *doc,
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struct cmd_list_element **list);
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extern struct cmd_list_element *add_set_boolean_cmd (char *name,
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enum command_class class,
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int *var,
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char *doc,
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struct cmd_list_element **list);
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extern struct cmd_list_element *add_show_from_set (struct cmd_list_element *,
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struct cmd_list_element
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**);
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/* Do a "show" command for each thing on a command list. */
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extern void cmd_show_list (struct cmd_list_element *, int, char *);
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extern NORETURN void error_no_arg (char *) ATTR_NORETURN;
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extern void dont_repeat (void);
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/* Used to mark commands that don't do anything. If we just leave the
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function field NULL, the command is interpreted as a help topic, or
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as a class of commands. */
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extern void not_just_help_class_command (char *, int);
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#endif /* !defined (COMMAND_H) */
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