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+/* keymaps.h -- Manipulation of readline keymaps. */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library 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.
+
+   The GNU Readline Library 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.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#ifndef _KEYMAPS_H_
+#define _KEYMAPS_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined (READLINE_LIBRARY)
+#  include "rlstdc.h"
+#  include "chardefs.h"
+#  include "rltypedefs.h"
+#else
+#  include <readline/rlstdc.h>
+#  include <readline/chardefs.h>
+#  include <readline/rltypedefs.h>
+#endif
+
+/* A keymap contains one entry for each key in the ASCII set.
+   Each entry consists of a type and a pointer.
+   FUNCTION is the address of a function to run, or the
+   address of a keymap to indirect through.
+   TYPE says which kind of thing FUNCTION is. */
+typedef struct _keymap_entry {
+  char type;
+  rl_command_func_t *function;
+} KEYMAP_ENTRY;
+
+/* This must be large enough to hold bindings for all of the characters
+   in a desired character set (e.g, 128 for ASCII, 256 for ISO Latin-x,
+   and so on) plus one for subsequence matching. */
+#define KEYMAP_SIZE 257
+#define ANYOTHERKEY KEYMAP_SIZE-1
+
+/* I wanted to make the above structure contain a union of:
+   union { rl_command_func_t *function; struct _keymap_entry *keymap; } value;
+   but this made it impossible for me to create a static array.
+   Maybe I need C lessons. */
+
+typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[KEYMAP_SIZE];
+typedef KEYMAP_ENTRY *Keymap;
+
+/* The values that TYPE can have in a keymap entry. */
+#define ISFUNC 0
+#define ISKMAP 1
+#define ISMACR 2
+
+extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap, emacs_meta_keymap, emacs_ctlx_keymap;
+extern KEYMAP_ENTRY_ARRAY vi_insertion_keymap, vi_movement_keymap;
+
+/* Return a new, empty keymap.
+   Free it with free() when you are done. */
+extern Keymap rl_make_bare_keymap PARAMS((void));
+
+/* Return a new keymap which is a copy of MAP. */
+extern Keymap rl_copy_keymap PARAMS((Keymap));
+
+/* Return a new keymap with the printing characters bound to rl_insert,
+   the lowercase Meta characters bound to run their equivalents, and
+   the Meta digits bound to produce numeric arguments. */
+extern Keymap rl_make_keymap PARAMS((void));
+
+/* Free the storage associated with a keymap. */
+extern void rl_discard_keymap PARAMS((Keymap));
+
+/* These functions actually appear in bind.c */
+
+/* Return the keymap corresponding to a given name.  Names look like
+   `emacs' or `emacs-meta' or `vi-insert'.  */
+extern Keymap rl_get_keymap_by_name PARAMS((const char *));
+
+/* Return the current keymap. */
+extern Keymap rl_get_keymap PARAMS((void));
+
+/* Set the current keymap to MAP. */
+extern void rl_set_keymap PARAMS((Keymap));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _KEYMAPS_H_ */