+/* **************************************************************** */
+/* */
+/* Functions available to bind to key sequences */
+/* */
+/* **************************************************************** */
+
+/* Bindable commands for numeric arguments. */
+extern int rl_digit_argument PARAMS((int, int));
+extern int rl_universal_argument PARAMS((int, int));
+
+/* Bindable commands for moving the cursor. */
+extern int rl_forward_byte PARAMS((int, int));
+extern int rl_forward_char PARAMS((int, int));
+extern int rl_forward PARAMS((int, int));
+extern int rl_backward_byte PARAMS((int, int));
+extern int rl_backward_char PARAMS((int, int));
+extern int rl_backward PARAMS((int, int));
+extern int rl_beg_of_line PARAMS((int, int));
+extern int rl_end_of_line PARAMS((int, int));
+extern int rl_forward_word PARAMS((int, int));
+extern int rl_backward_word PARAMS((int, int));
+extern int rl_refresh_line PARAMS((int, int));
+extern int rl_clear_screen PARAMS((int, int));
+extern int rl_arrow_keys PARAMS((int, int));
+
+/* Bindable commands for inserting and deleting text. */
+extern int rl_insert PARAMS((int, int));
+extern int rl_quoted_insert PARAMS((int, int));
+extern int rl_tab_insert PARAMS((int, int));
+extern int rl_newline PARAMS((int, int));
+extern int rl_do_lowercase_version PARAMS((int, int));
+extern int rl_rubout PARAMS((int, int));
+extern int rl_delete PARAMS((int, int));
+extern int rl_rubout_or_delete PARAMS((int, int));
+extern int rl_delete_horizontal_space PARAMS((int, int));
+extern int rl_delete_or_show_completions PARAMS((int, int));
+extern int rl_insert_comment PARAMS((int, int));
+
+/* Bindable commands for changing case. */
+extern int rl_upcase_word PARAMS((int, int));
+extern int rl_downcase_word PARAMS((int, int));
+extern int rl_capitalize_word PARAMS((int, int));
+
+/* Bindable commands for transposing characters and words. */
+extern int rl_transpose_words PARAMS((int, int));
+extern int rl_transpose_chars PARAMS((int, int));
+
+/* Bindable commands for searching within a line. */
+extern int rl_char_search PARAMS((int, int));
+extern int rl_backward_char_search PARAMS((int, int));
+
+/* Bindable commands for readline's interface to the command history. */
+extern int rl_beginning_of_history PARAMS((int, int));
+extern int rl_end_of_history PARAMS((int, int));
+extern int rl_get_next_history PARAMS((int, int));
+extern int rl_get_previous_history PARAMS((int, int));
+
+/* Bindable commands for managing the mark and region. */
+extern int rl_set_mark PARAMS((int, int));
+extern int rl_exchange_point_and_mark PARAMS((int, int));
+
+/* Bindable commands to set the editing mode (emacs or vi). */
+extern int rl_vi_editing_mode PARAMS((int, int));
+extern int rl_emacs_editing_mode PARAMS((int, int));
+
+/* Bindable commands to change the insert mode (insert or overwrite) */
+extern int rl_overwrite_mode PARAMS((int, int));
+
+/* Bindable commands for managing key bindings. */
+extern int rl_re_read_init_file PARAMS((int, int));
+extern int rl_dump_functions PARAMS((int, int));
+extern int rl_dump_macros PARAMS((int, int));
+extern int rl_dump_variables PARAMS((int, int));
+
+/* Bindable commands for word completion. */
+extern int rl_complete PARAMS((int, int));
+extern int rl_possible_completions PARAMS((int, int));
+extern int rl_insert_completions PARAMS((int, int));
+extern int rl_menu_complete PARAMS((int, int));
+
+/* Bindable commands for killing and yanking text, and managing the kill ring. */
+extern int rl_kill_word PARAMS((int, int));
+extern int rl_backward_kill_word PARAMS((int, int));
+extern int rl_kill_line PARAMS((int, int));
+extern int rl_backward_kill_line PARAMS((int, int));
+extern int rl_kill_full_line PARAMS((int, int));
+extern int rl_unix_word_rubout PARAMS((int, int));
+extern int rl_unix_filename_rubout PARAMS((int, int));
+extern int rl_unix_line_discard PARAMS((int, int));
+extern int rl_copy_region_to_kill PARAMS((int, int));
+extern int rl_kill_region PARAMS((int, int));
+extern int rl_copy_forward_word PARAMS((int, int));
+extern int rl_copy_backward_word PARAMS((int, int));
+extern int rl_yank PARAMS((int, int));
+extern int rl_yank_pop PARAMS((int, int));
+extern int rl_yank_nth_arg PARAMS((int, int));
+extern int rl_yank_last_arg PARAMS((int, int));
+/* Not available unless __CYGWIN__ is defined. */
+#ifdef __CYGWIN__
+extern int rl_paste_from_clipboard PARAMS((int, int));
+#endif
+
+/* Bindable commands for incremental searching. */
+extern int rl_reverse_search_history PARAMS((int, int));
+extern int rl_forward_search_history PARAMS((int, int));
+
+/* Bindable keyboard macro commands. */
+extern int rl_start_kbd_macro PARAMS((int, int));
+extern int rl_end_kbd_macro PARAMS((int, int));
+extern int rl_call_last_kbd_macro PARAMS((int, int));
+
+/* Bindable undo commands. */
+extern int rl_revert_line PARAMS((int, int));
+extern int rl_undo_command PARAMS((int, int));
+
+/* Bindable tilde expansion commands. */
+extern int rl_tilde_expand PARAMS((int, int));
+
+/* Bindable terminal control commands. */
+extern int rl_restart_output PARAMS((int, int));
+extern int rl_stop_output PARAMS((int, int));
+
+/* Miscellaneous bindable commands. */
+extern int rl_abort PARAMS((int, int));
+extern int rl_tty_status PARAMS((int, int));
+
+/* Bindable commands for incremental and non-incremental history searching. */
+extern int rl_history_search_forward PARAMS((int, int));
+extern int rl_history_search_backward PARAMS((int, int));
+extern int rl_noninc_forward_search PARAMS((int, int));
+extern int rl_noninc_reverse_search PARAMS((int, int));
+extern int rl_noninc_forward_search_again PARAMS((int, int));
+extern int rl_noninc_reverse_search_again PARAMS((int, int));
+
+/* Bindable command used when inserting a matching close character. */
+extern int rl_insert_close PARAMS((int, int));
+
+/* Not available unless READLINE_CALLBACKS is defined. */
+extern void rl_callback_handler_install PARAMS((const char *, rl_vcpfunc_t *));
+extern void rl_callback_read_char PARAMS((void));
+extern void rl_callback_handler_remove PARAMS((void));
+
+/* Things for vi mode. Not available unless readline is compiled -DVI_MODE. */
+/* VI-mode bindable commands. */
+extern int rl_vi_redo PARAMS((int, int));
+extern int rl_vi_undo PARAMS((int, int));
+extern int rl_vi_yank_arg PARAMS((int, int));
+extern int rl_vi_fetch_history PARAMS((int, int));
+extern int rl_vi_search_again PARAMS((int, int));
+extern int rl_vi_search PARAMS((int, int));
+extern int rl_vi_complete PARAMS((int, int));
+extern int rl_vi_tilde_expand PARAMS((int, int));
+extern int rl_vi_prev_word PARAMS((int, int));
+extern int rl_vi_next_word PARAMS((int, int));
+extern int rl_vi_end_word PARAMS((int, int));
+extern int rl_vi_insert_beg PARAMS((int, int));
+extern int rl_vi_append_mode PARAMS((int, int));
+extern int rl_vi_append_eol PARAMS((int, int));
+extern int rl_vi_eof_maybe PARAMS((int, int));
+extern int rl_vi_insertion_mode PARAMS((int, int));
+extern int rl_vi_movement_mode PARAMS((int, int));
+extern int rl_vi_arg_digit PARAMS((int, int));
+extern int rl_vi_change_case PARAMS((int, int));
+extern int rl_vi_put PARAMS((int, int));
+extern int rl_vi_column PARAMS((int, int));
+extern int rl_vi_delete_to PARAMS((int, int));
+extern int rl_vi_change_to PARAMS((int, int));
+extern int rl_vi_yank_to PARAMS((int, int));
+extern int rl_vi_rubout PARAMS((int, int));
+extern int rl_vi_delete PARAMS((int, int));
+extern int rl_vi_back_to_indent PARAMS((int, int));
+extern int rl_vi_first_print PARAMS((int, int));
+extern int rl_vi_char_search PARAMS((int, int));
+extern int rl_vi_match PARAMS((int, int));
+extern int rl_vi_change_char PARAMS((int, int));
+extern int rl_vi_subst PARAMS((int, int));
+extern int rl_vi_overstrike PARAMS((int, int));
+extern int rl_vi_overstrike_delete PARAMS((int, int));
+extern int rl_vi_replace PARAMS((int, int));
+extern int rl_vi_set_mark PARAMS((int, int));
+extern int rl_vi_goto_mark PARAMS((int, int));
+
+/* VI-mode utility functions. */
+extern int rl_vi_check PARAMS((void));
+extern int rl_vi_domove PARAMS((int, int *));
+extern int rl_vi_bracktype PARAMS((int));
+
+extern void rl_vi_start_inserting PARAMS((int, int, int));
+
+/* VI-mode pseudo-bindable commands, used as utility functions. */
+extern int rl_vi_fWord PARAMS((int, int));
+extern int rl_vi_bWord PARAMS((int, int));
+extern int rl_vi_eWord PARAMS((int, int));
+extern int rl_vi_fword PARAMS((int, int));
+extern int rl_vi_bword PARAMS((int, int));
+extern int rl_vi_eword PARAMS((int, int));
+
+/* **************************************************************** */
+/* */
+/* Well Published Functions */
+/* */
+/* **************************************************************** */
+
+/* Readline functions. */
+/* Read a line of input. Prompt with PROMPT. A NULL PROMPT means none. */
+extern char *readline PARAMS((const char *));
+
+extern int rl_set_prompt PARAMS((const char *));
+extern int rl_expand_prompt PARAMS((char *));
+
+extern int rl_initialize PARAMS((void));
+
+/* Undocumented; unused by readline */
+extern int rl_discard_argument PARAMS((void));
+
+/* Utility functions to bind keys to readline commands. */
+extern int rl_add_defun PARAMS((const char *, rl_command_func_t *, int));
+extern int rl_bind_key PARAMS((int, rl_command_func_t *));
+extern int rl_bind_key_in_map PARAMS((int, rl_command_func_t *, Keymap));
+extern int rl_unbind_key PARAMS((int));
+extern int rl_unbind_key_in_map PARAMS((int, Keymap));
+extern int rl_bind_key_if_unbound PARAMS((int, rl_command_func_t *));
+extern int rl_bind_key_if_unbound_in_map PARAMS((int, rl_command_func_t *, Keymap));
+extern int rl_unbind_function_in_map PARAMS((rl_command_func_t *, Keymap));
+extern int rl_unbind_command_in_map PARAMS((const char *, Keymap));
+extern int rl_bind_keyseq PARAMS((const char *, rl_command_func_t *));
+extern int rl_bind_keyseq_in_map PARAMS((const char *, rl_command_func_t *, Keymap));
+extern int rl_bind_keyseq_if_unbound PARAMS((const char *, rl_command_func_t *));
+extern int rl_bind_keyseq_if_unbound_in_map PARAMS((const char *, rl_command_func_t *, Keymap));
+extern int rl_generic_bind PARAMS((int, const char *, char *, Keymap));
+
+extern char *rl_variable_value PARAMS((const char *));
+extern int rl_variable_bind PARAMS((const char *, const char *));
+
+/* Backwards compatibility, use rl_bind_keyseq_in_map instead. */
+extern int rl_set_key PARAMS((const char *, rl_command_func_t *, Keymap));
+
+/* Backwards compatibility, use rl_generic_bind instead. */
+extern int rl_macro_bind PARAMS((const char *, const char *, Keymap));
+
+/* Undocumented in the texinfo manual; not really useful to programs. */
+extern int rl_translate_keyseq PARAMS((const char *, char *, int *));
+extern char *rl_untranslate_keyseq PARAMS((int));
+
+extern rl_command_func_t *rl_named_function PARAMS((const char *));
+extern rl_command_func_t *rl_function_of_keyseq PARAMS((const char *, Keymap, int *));
+
+extern void rl_list_funmap_names PARAMS((void));
+extern char **rl_invoking_keyseqs_in_map PARAMS((rl_command_func_t *, Keymap));
+extern char **rl_invoking_keyseqs PARAMS((rl_command_func_t *));
+
+extern void rl_function_dumper PARAMS((int));
+extern void rl_macro_dumper PARAMS((int));
+extern void rl_variable_dumper PARAMS((int));
+
+extern int rl_read_init_file PARAMS((const char *));
+extern int rl_parse_and_bind PARAMS((char *));
+
+/* Functions for manipulating keymaps. */
+extern Keymap rl_make_bare_keymap PARAMS((void));
+extern Keymap rl_copy_keymap PARAMS((Keymap));
+extern Keymap rl_make_keymap PARAMS((void));
+extern void rl_discard_keymap PARAMS((Keymap));
+
+extern Keymap rl_get_keymap_by_name PARAMS((const char *));
+extern char *rl_get_keymap_name PARAMS((Keymap));
+extern void rl_set_keymap PARAMS((Keymap));
+extern Keymap rl_get_keymap PARAMS((void));
+/* Undocumented; used internally only. */
+extern void rl_set_keymap_from_edit_mode PARAMS((void));
+extern char *rl_get_keymap_name_from_edit_mode PARAMS((void));
+
+/* Functions for manipulating the funmap, which maps command names to functions. */
+extern int rl_add_funmap_entry PARAMS((const char *, rl_command_func_t *));
+extern const char **rl_funmap_names PARAMS((void));
+/* Undocumented, only used internally -- there is only one funmap, and this
+ function may be called only once. */
+extern void rl_initialize_funmap PARAMS((void));
+
+/* Utility functions for managing keyboard macros. */
+extern void rl_push_macro_input PARAMS((char *));
+
+/* Functions for undoing, from undo.c */
+extern void rl_add_undo PARAMS((enum undo_code, int, int, char *));
+extern void rl_free_undo_list PARAMS((void));
+extern int rl_do_undo PARAMS((void));
+extern int rl_begin_undo_group PARAMS((void));
+extern int rl_end_undo_group PARAMS((void));
+extern int rl_modifying PARAMS((int, int));
+
+/* Functions for redisplay. */
+extern void rl_redisplay PARAMS((void));
+extern int rl_on_new_line PARAMS((void));
+extern int rl_on_new_line_with_prompt PARAMS((void));
+extern int rl_forced_update_display PARAMS((void));
+extern int rl_clear_message PARAMS((void));
+extern int rl_reset_line_state PARAMS((void));
+extern int rl_crlf PARAMS((void));
+
+#if defined (USE_VARARGS) && defined (PREFER_STDARG)
+extern int rl_message (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
+#else
+extern int rl_message ();
+#endif
+
+extern int rl_show_char PARAMS((int));
+
+/* Undocumented in texinfo manual. */
+extern int rl_character_len PARAMS((int, int));
+
+/* Save and restore internal prompt redisplay information. */
+extern void rl_save_prompt PARAMS((void));
+extern void rl_restore_prompt PARAMS((void));
+
+/* Modifying text. */
+extern void rl_replace_line PARAMS((const char *, int));
+extern int rl_insert_text PARAMS((const char *));
+extern int rl_delete_text PARAMS((int, int));
+extern int rl_kill_text PARAMS((int, int));
+extern char *rl_copy_text PARAMS((int, int));
+
+/* Terminal and tty mode management. */
+extern void rl_prep_terminal PARAMS((int));
+extern void rl_deprep_terminal PARAMS((void));
+extern void rl_tty_set_default_bindings PARAMS((Keymap));
+extern void rl_tty_unset_default_bindings PARAMS((Keymap));
+
+extern int rl_reset_terminal PARAMS((const char *));
+extern void rl_resize_terminal PARAMS((void));
+extern void rl_set_screen_size PARAMS((int, int));
+extern void rl_get_screen_size PARAMS((int *, int *));
+extern void rl_reset_screen_size PARAMS((void));
+
+extern char *rl_get_termcap PARAMS((const char *));
+
+/* Functions for character input. */
+extern int rl_stuff_char PARAMS((int));
+extern int rl_execute_next PARAMS((int));
+extern int rl_clear_pending_input PARAMS((void));
+extern int rl_read_key PARAMS((void));
+extern int rl_getc PARAMS((FILE *));
+extern int rl_set_keyboard_input_timeout PARAMS((int));
+
+/* `Public' utility functions . */
+extern void rl_extend_line_buffer PARAMS((int));
+extern int rl_ding PARAMS((void));
+extern int rl_alphabetic PARAMS((int));
+
+/* Readline signal handling, from signals.c */
+extern int rl_set_signals PARAMS((void));
+extern int rl_clear_signals PARAMS((void));
+extern void rl_cleanup_after_signal PARAMS((void));
+extern void rl_reset_after_signal PARAMS((void));
+extern void rl_free_line_state PARAMS((void));
+
+extern int rl_set_paren_blink_timeout PARAMS((int));
+
+/* Undocumented. */
+extern int rl_maybe_save_line PARAMS((void));
+extern int rl_maybe_unsave_line PARAMS((void));
+extern int rl_maybe_replace_line PARAMS((void));
+
+/* Completion functions. */
+extern int rl_complete_internal PARAMS((int));
+extern void rl_display_match_list PARAMS((char **, int, int));
+
+extern char **rl_completion_matches PARAMS((const char *, rl_compentry_func_t *));
+extern char *rl_username_completion_function PARAMS((const char *, int));
+extern char *rl_filename_completion_function PARAMS((const char *, int));
+
+extern int rl_completion_mode PARAMS((rl_command_func_t *));
+
+#if 0
+/* Backwards compatibility (compat.c). These will go away sometime. */
+extern void free_undo_list PARAMS((void));
+extern int maybe_save_line PARAMS((void));
+extern int maybe_unsave_line PARAMS((void));
+extern int maybe_replace_line PARAMS((void));
+
+extern int ding PARAMS((void));
+extern int alphabetic PARAMS((int));
+extern int crlf PARAMS((void));
+
+extern char **completion_matches PARAMS((char *, rl_compentry_func_t *));
+extern char *username_completion_function PARAMS((const char *, int));
+extern char *filename_completion_function PARAMS((const char *, int));
+#endif
+