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+/* variables.h -- Description of user visible variables in Info.
+ $Id: variables.h,v 1.3 2004/04/11 17:56:46 karl Exp $
+
+ This file is part of GNU Info, a program for reading online documentation
+ stored in Info format.
+
+ Copyright (C) 1993, 1997, 2004 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ Written by Brian Fox (bfox@ai.mit.edu). */
+
+#ifndef INFO_VARIABLES_H
+#define INFO_VARIABLES_H
+
+/* A variable (in the Info sense) is an integer value with a user-visible
+ name. You may supply an array of strings to complete over when the
+ variable is set; in that case, the variable is set to the index of the
+ string that the user chose. If you supply a null list, the user can
+ set the variable to a numeric value. */
+
+/* Structure describing a user visible variable. */
+typedef struct {
+ char *name; /* Polite name. */
+ char *doc; /* Documentation string. */
+ int *value; /* Address of value. */
+ char **choices; /* Array of strings or NULL if numeric only. */
+} VARIABLE_ALIST;
+
+/* Read the name of an Info variable in the echo area and return the
+ address of a VARIABLE_ALIST member. A return value of NULL indicates
+ that no variable could be read. */
+extern VARIABLE_ALIST *read_variable_name (char *prompt, WINDOW *window);
+
+/* Make an array of REFERENCE which actually contains the names of the
+ variables available in Info. */
+extern REFERENCE **make_variable_completions_array (void);
+
+/* Set the value of an info variable. */
+extern void set_variable (WINDOW *window, int count, unsigned char key);
+extern void describe_variable (WINDOW *window, int count, unsigned char key);
+
+/* The list of user-visible variables. */
+extern int auto_footnotes_p;
+extern int auto_tiling_p;
+extern int terminal_use_visible_bell_p;
+extern int info_error_rings_bell_p;
+extern int gc_compressed_files;
+extern int show_index_match;
+extern int info_scroll_behaviour;
+extern int window_scroll_step;
+extern int ISO_Latin_p;
+
+#endif /* not INFO_VARIABLES_H */