0a03b0f73e
Separate the preferences value for those flags and the name resolution code's value into separate variables; this means that the resolution code no longer depends on the preferences code, and may let us eventually have the current setting and the preference setting differ (so that a user can temporarily override the preference setting without causing subsequent saves of the preferences to save the temporary value). Add routines to create various types of widgets for preferences, and to fetch the values for "enumerated" preferences, and use them both in the code to handle hardwired preference pages and table-driven preference pages. svn path=/trunk/; revision=4536
227 lines
6.9 KiB
C
227 lines
6.9 KiB
C
/* prefs.h
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* Definitions for preference handling routines
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*
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* $Id: prefs.h,v 1.37 2002/01/13 20:35:08 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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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, Boston, MA 02111-1307, USA.
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*/
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#ifndef __PREFS_H__
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#define __PREFS_H__
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#include <glib.h>
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#include "color.h"
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#define PR_DEST_CMD 0
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#define PR_DEST_FILE 1
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#define DEF_WIDTH 750
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#define DEF_HEIGHT 550
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/*
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* Convert a string listing name resolution types to a bitmask of
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* those types.
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*
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* Set "*name_resolve" to the bitmask, and return '\0', on success;
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* return the bad character in the string on error.
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*/
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char string_to_name_resolve(char *string, guint32 *name_resolve);
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typedef struct _e_prefs {
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gint pr_format;
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gint pr_dest;
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gchar *pr_file;
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gchar *pr_cmd;
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GList *col_list;
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gint num_cols;
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color_t st_client_fg, st_client_bg, st_server_fg, st_server_bg;
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gboolean gui_scrollbar_on_right;
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gboolean gui_plist_sel_browse;
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gboolean gui_ptree_sel_browse;
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gint gui_ptree_line_style;
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gint gui_ptree_expander_style;
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gboolean gui_hex_dump_highlight_style;
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gchar *gui_font_name;
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color_t gui_marked_fg;
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color_t gui_marked_bg;
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gboolean gui_geometry_save_position;
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gboolean gui_geometry_save_size;
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gint gui_geometry_main_x;
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gint gui_geometry_main_y;
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gint gui_geometry_main_width;
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gint gui_geometry_main_height;
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guint32 name_resolve;
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gchar *capture_device;
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gboolean capture_prom_mode;
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gboolean capture_real_time;
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gboolean capture_auto_scroll;
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} e_prefs;
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extern e_prefs prefs;
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/*
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* Routines to let modules that have preference settings register
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* themselves by name, and to let them register preference settings
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* by name.
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*/
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struct pref_module;
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typedef struct pref_module module_t;
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/*
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* Register a module that will have preferences.
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* Specify the name used for the module in the preferences file, the
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* title used in the tab for it in a preferences dialog box, and a
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* routine to call back when we apply the preferences.
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* Note:
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* In case of dissectors, the specified name should be the protocol
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* name specified at the proto_register_protocol() call in order to
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* make the "Protocol Properties..." menu item work.
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*/
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extern module_t *prefs_register_module(const char *name, const char *title,
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void (*apply_cb)(void));
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typedef void (*module_cb)(module_t *module, gpointer user_data);
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/*
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* Register that a protocol has preferences.
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*/
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extern module_t *prefs_register_protocol(int id, void (*apply_cb)(void));
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/*
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* Call a callback function, with a specified argument, for each module.
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*/
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extern void prefs_module_foreach(module_cb callback, gpointer user_data);
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/*
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* Call the "apply" callback function for each module if any of its
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* preferences have changed, and then clear the flag saying its
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* preferences have changed, as the module has been notified of that
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* fact.
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*/
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extern void prefs_apply_all(void);
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struct preference;
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typedef struct preference pref_t;
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/*
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* Returns TRUE if the given protocol has registered preferences.
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*/
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extern gboolean prefs_is_registered_protocol(char *name);
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/*
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* Returns the module title of a registered protocol (or NULL if unknown).
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*/
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extern const char *prefs_get_title_by_name(char *name);
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/*
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* Register a preference with an unsigned integral value.
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*/
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extern void prefs_register_uint_preference(module_t *module, const char *name,
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const char *title, const char *description, guint base, guint *var);
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/*
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* Register a preference with an Boolean value.
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*/
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extern void prefs_register_bool_preference(module_t *module, const char *name,
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const char *title, const char *description, gboolean *var);
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/*
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* Register a preference with an enumerated value.
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*/
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typedef struct {
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char *name;
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gint value;
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} enum_val_t;
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extern void prefs_register_enum_preference(module_t *module, const char *name,
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const char *title, const char *description, gint *var,
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const enum_val_t *enumvals, gboolean radio_buttons);
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/*
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* Register a preference with a character-string value.
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*/
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extern void prefs_register_string_preference(module_t *module, const char *name,
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const char *title, const char *description, char **var);
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/*
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* Register a preference that used to be supported but no longer is.
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*/
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extern void prefs_register_obsolete_preference(module_t *module,
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const char *name);
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typedef void (*pref_cb)(pref_t *pref, gpointer user_data);
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/*
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* Call a callback function, with a specified argument, for each preference
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* in a given module.
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*/
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extern void prefs_pref_foreach(module_t *module, pref_cb callback,
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gpointer user_data);
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/*
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* Register all non-dissector modules' preferences.
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*/
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extern void prefs_register_modules(void);
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/* Read the preferences file, fill in "prefs", and return a pointer to it.
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If we got an error (other than "it doesn't exist") trying to read
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the global preferences file, stuff the errno into "*gpf_errno_return"
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and a pointer to the path of the file into "*gpf_path_return", and
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return NULL.
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If we got an error (other than "it doesn't exist") trying to read
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the user's preferences file, stuff the errno into "*pf_errno_return"
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and a pointer to the path of the file into "*pf_path_return", and
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return NULL. */
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extern e_prefs *read_prefs(int *, char **, int *, const char **);
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/* Write out "prefs" to the user's preferences file, and return 0.
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If we got an error, stuff a pointer to the path of the preferences file
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into "*pf_path_return", and return the errno. */
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extern int write_prefs(const char **);
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/* Copy a set of preferences. */
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extern void copy_prefs(e_prefs *dest, e_prefs *src);
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/* Free a set of preferences. */
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extern void free_prefs(e_prefs *pr);
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/*
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* Given a string of the form "<pref name>:<pref value>", as might appear
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* as an argument to a "-o" option, parse it and set the preference in
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* question. Return an indication of whether it succeeded or failed
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* in some fashion.
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*
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* XXX - should supply, for syntax errors, a detailed explanation of
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* the syntax error.
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*/
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#define PREFS_SET_OK 0 /* succeeded */
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#define PREFS_SET_SYNTAX_ERR 1 /* syntax error in string */
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#define PREFS_SET_NO_SUCH_PREF 2 /* no such preference */
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#define PREFS_SET_OBSOLETE 3 /* preference used to exist but no longer does */
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extern int prefs_set_pref(char *prefarg);
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#endif /* prefs.h */
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