637 lines
24 KiB
C
637 lines
24 KiB
C
/* Readline.h -- the names of functions callable from within readline. */
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/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
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This file is part of the GNU Readline Library, a library for
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reading lines of text with interactive input and history editing.
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The GNU Readline Library is free software; you can redistribute it
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and/or 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, or
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(at your option) any later version.
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The GNU Readline Library is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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The GNU General Public License is often shipped with GNU software, and
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is generally kept in a file called COPYING or LICENSE. If you do not
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have a copy of the license, write to the Free Software Foundation,
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59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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#if !defined (_READLINE_H_)
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#define _READLINE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined (READLINE_LIBRARY)
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# include "rlstdc.h"
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# include "keymaps.h"
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# include "tilde.h"
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#else
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# include <readline/rlstdc.h>
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# include <readline/keymaps.h>
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# include <readline/tilde.h>
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#endif
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/* Readline data structures. */
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/* Maintaining the state of undo. We remember individual deletes and inserts
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on a chain of things to do. */
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/* The actions that undo knows how to undo. Notice that UNDO_DELETE means
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to insert some text, and UNDO_INSERT means to delete some text. I.e.,
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the code tells undo what to undo, not how to undo it. */
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enum undo_code { UNDO_DELETE, UNDO_INSERT, UNDO_BEGIN, UNDO_END };
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/* What an element of THE_UNDO_LIST looks like. */
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typedef struct undo_list {
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struct undo_list *next;
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int start, end; /* Where the change took place. */
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char *text; /* The text to insert, if undoing a delete. */
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enum undo_code what; /* Delete, Insert, Begin, End. */
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} UNDO_LIST;
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/* The current undo list for RL_LINE_BUFFER. */
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extern UNDO_LIST *rl_undo_list;
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/* The data structure for mapping textual names to code addresses. */
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typedef struct _funmap {
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char *name;
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Function *function;
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} FUNMAP;
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extern FUNMAP **funmap;
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/* **************************************************************** */
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/* */
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/* Functions available to bind to key sequences */
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/* */
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/* **************************************************************** */
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/* Bindable commands for numeric arguments. */
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extern int rl_digit_argument __P((int, int));
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extern int rl_universal_argument __P((int, int));
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/* Bindable commands for moving the cursor. */
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extern int rl_forward __P((int, int));
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extern int rl_backward __P((int, int));
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extern int rl_beg_of_line __P((int, int));
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extern int rl_end_of_line __P((int, int));
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extern int rl_forward_word __P((int, int));
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extern int rl_backward_word __P((int, int));
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extern int rl_refresh_line __P((int, int));
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extern int rl_clear_screen __P((int, int));
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extern int rl_arrow_keys __P((int, int));
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/* Bindable commands for inserting and deleting text. */
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extern int rl_insert __P((int, int));
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extern int rl_quoted_insert __P((int, int));
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extern int rl_tab_insert __P((int, int));
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extern int rl_newline __P((int, int));
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extern int rl_do_lowercase_version __P((int, int));
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extern int rl_rubout __P((int, int));
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extern int rl_delete __P((int, int));
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extern int rl_rubout_or_delete __P((int, int));
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extern int rl_delete_horizontal_space __P((int, int));
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extern int rl_delete_or_show_completions __P((int, int));
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extern int rl_insert_comment __P((int, int));
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/* Bindable commands for changing case. */
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extern int rl_upcase_word __P((int, int));
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extern int rl_downcase_word __P((int, int));
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extern int rl_capitalize_word __P((int, int));
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/* Bindable commands for transposing characters and words. */
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extern int rl_transpose_words __P((int, int));
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extern int rl_transpose_chars __P((int, int));
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/* Bindable commands for searching within a line. */
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extern int rl_char_search __P((int, int));
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extern int rl_backward_char_search __P((int, int));
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/* Bindable commands for readline's interface to the command history. */
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extern int rl_beginning_of_history __P((int, int));
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extern int rl_end_of_history __P((int, int));
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extern int rl_get_next_history __P((int, int));
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extern int rl_get_previous_history __P((int, int));
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/* Bindable commands for managing the mark and region. */
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extern int rl_set_mark __P((int, int));
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extern int rl_exchange_point_and_mark __P((int, int));
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/* Bindable commands to set the editing mode (emacs or vi). */
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extern int rl_vi_editing_mode __P((int, int));
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extern int rl_emacs_editing_mode __P((int, int));
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/* Bindable commands for managing key bindings. */
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extern int rl_re_read_init_file __P((int, int));
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extern int rl_dump_functions __P((int, int));
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extern int rl_dump_macros __P((int, int));
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extern int rl_dump_variables __P((int, int));
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/* Bindable commands for word completion. */
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extern int rl_complete __P((int, int));
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extern int rl_possible_completions __P((int, int));
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extern int rl_insert_completions __P((int, int));
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extern int rl_menu_complete __P((int, int));
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/* Bindable commands for killing and yanking text, and managing the kill ring. */
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extern int rl_kill_word __P((int, int));
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extern int rl_backward_kill_word __P((int, int));
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extern int rl_kill_line __P((int, int));
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extern int rl_backward_kill_line __P((int, int));
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extern int rl_kill_full_line __P((int, int));
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extern int rl_unix_word_rubout __P((int, int));
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extern int rl_unix_line_discard __P((int, int));
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extern int rl_copy_region_to_kill __P((int, int));
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extern int rl_kill_region __P((int, int));
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extern int rl_copy_forward_word __P((int, int));
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extern int rl_copy_backward_word __P((int, int));
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extern int rl_yank __P((int, int));
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extern int rl_yank_pop __P((int, int));
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extern int rl_yank_nth_arg __P((int, int));
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extern int rl_yank_last_arg __P((int, int));
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/* Not available unless __CYGWIN32__ is defined. */
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#ifdef __CYGWIN32__
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extern int rl_paste_from_clipboard __P((int, int));
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#endif
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/* Bindable commands for incremental searching. */
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extern int rl_reverse_search_history __P((int, int));
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extern int rl_forward_search_history __P((int, int));
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/* Bindable keyboard macro commands. */
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extern int rl_start_kbd_macro __P((int, int));
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extern int rl_end_kbd_macro __P((int, int));
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extern int rl_call_last_kbd_macro __P((int, int));
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/* Bindable undo commands. */
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extern int rl_revert_line __P((int, int));
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extern int rl_undo_command __P((int, int));
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/* Bindable tilde expansion commands. */
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extern int rl_tilde_expand __P((int, int));
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/* Bindable terminal control commands. */
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extern int rl_restart_output __P((int, int));
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extern int rl_stop_output __P((int, int));
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/* Miscellaneous bindable commands. */
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extern int rl_abort __P((int, int));
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extern int rl_tty_status __P((int, int));
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/* Bindable commands for incremental and non-incremental history searching. */
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extern int rl_history_search_forward __P((int, int));
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extern int rl_history_search_backward __P((int, int));
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extern int rl_noninc_forward_search __P((int, int));
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extern int rl_noninc_reverse_search __P((int, int));
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extern int rl_noninc_forward_search_again __P((int, int));
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extern int rl_noninc_reverse_search_again __P((int, int));
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/* Bindable command used when inserting a matching close character. */
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extern int rl_insert_close __P((int, int));
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/* Not available unless READLINE_CALLBACKS is defined. */
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extern void rl_callback_handler_install __P((char *, VFunction *));
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extern void rl_callback_read_char __P((void));
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extern void rl_callback_handler_remove __P((void));
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/* Things for vi mode. Not available unless readline is compiled -DVI_MODE. */
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/* VI-mode bindable commands. */
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extern int rl_vi_redo __P((int, int));
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extern int rl_vi_undo __P((int, int));
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extern int rl_vi_yank_arg __P((int, int));
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extern int rl_vi_fetch_history __P((int, int));
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extern int rl_vi_search_again __P((int, int));
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extern int rl_vi_search __P((int, int));
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extern int rl_vi_complete __P((int, int));
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extern int rl_vi_tilde_expand __P((int, int));
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extern int rl_vi_prev_word __P((int, int));
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extern int rl_vi_next_word __P((int, int));
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extern int rl_vi_end_word __P((int, int));
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extern int rl_vi_insert_beg __P((int, int));
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extern int rl_vi_append_mode __P((int, int));
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extern int rl_vi_append_eol __P((int, int));
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extern int rl_vi_eof_maybe __P((int, int));
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extern int rl_vi_insertion_mode __P((int, int));
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extern int rl_vi_movement_mode __P((int, int));
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extern int rl_vi_arg_digit __P((int, int));
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extern int rl_vi_change_case __P((int, int));
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extern int rl_vi_put __P((int, int));
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extern int rl_vi_column __P((int, int));
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extern int rl_vi_delete_to __P((int, int));
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extern int rl_vi_change_to __P((int, int));
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extern int rl_vi_yank_to __P((int, int));
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extern int rl_vi_delete __P((int, int));
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extern int rl_vi_back_to_indent __P((int, int));
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extern int rl_vi_first_print __P((int, int));
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extern int rl_vi_char_search __P((int, int));
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extern int rl_vi_match __P((int, int));
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extern int rl_vi_change_char __P((int, int));
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extern int rl_vi_subst __P((int, int));
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extern int rl_vi_overstrike __P((int, int));
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extern int rl_vi_overstrike_delete __P((int, int));
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extern int rl_vi_replace __P((int, int));
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extern int rl_vi_set_mark __P((int, int));
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extern int rl_vi_goto_mark __P((int, int));
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/* VI-mode utility functions. */
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extern int rl_vi_check __P((void));
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extern int rl_vi_domove __P((int, int *));
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extern int rl_vi_bracktype __P((int));
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/* VI-mode pseudo-bindable commands, used as utility functions. */
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extern int rl_vi_fWord __P((int, int));
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extern int rl_vi_bWord __P((int, int));
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extern int rl_vi_eWord __P((int, int));
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extern int rl_vi_fword __P((int, int));
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extern int rl_vi_bword __P((int, int));
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extern int rl_vi_eword __P((int, int));
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/* **************************************************************** */
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/* */
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/* Well Published Functions */
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/* */
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/* **************************************************************** */
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/* Readline functions. */
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/* Read a line of input. Prompt with PROMPT. A NULL PROMPT means none. */
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extern char *readline __P((char *));
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extern int rl_initialize __P((void));
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extern int rl_discard_argument __P((void));
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/* Utility functions to bind keys to readline commands. */
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extern int rl_add_defun __P((char *, Function *, int));
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extern int rl_bind_key __P((int, Function *));
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extern int rl_bind_key_in_map __P((int, Function *, Keymap));
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extern int rl_unbind_key __P((int));
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extern int rl_unbind_key_in_map __P((int, Keymap));
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extern int rl_unbind_function_in_map __P((Function *, Keymap));
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extern int rl_unbind_command_in_map __P((char *, Keymap));
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extern int rl_set_key __P((char *, Function *, Keymap));
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extern int rl_generic_bind __P((int, char *, char *, Keymap));
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extern int rl_variable_bind __P((char *, char *));
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/* Backwards compatibility, use rl_generic_bind instead. */
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extern int rl_macro_bind __P((char *, char *, Keymap));
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/* Undocumented in the texinfo manual; not really useful to programs. */
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extern int rl_translate_keyseq __P((char *, char *, int *));
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extern char *rl_untranslate_keyseq __P((int));
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extern Function *rl_named_function __P((char *));
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extern Function *rl_function_of_keyseq __P((char *, Keymap, int *));
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extern void rl_list_funmap_names __P((void));
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extern char **rl_invoking_keyseqs_in_map __P((Function *, Keymap));
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extern char **rl_invoking_keyseqs __P((Function *));
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extern void rl_function_dumper __P((int));
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extern void rl_macro_dumper __P((int));
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extern void rl_variable_dumper __P((int));
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extern int rl_read_init_file __P((char *));
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extern int rl_parse_and_bind __P((char *));
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/* Functions for manipulating keymaps. */
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extern Keymap rl_make_bare_keymap __P((void));
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extern Keymap rl_copy_keymap __P((Keymap));
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extern Keymap rl_make_keymap __P((void));
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extern void rl_discard_keymap __P((Keymap));
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extern Keymap rl_get_keymap_by_name __P((char *));
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extern char *rl_get_keymap_name __P((Keymap));
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extern void rl_set_keymap __P((Keymap));
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extern Keymap rl_get_keymap __P((void));
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extern void rl_set_keymap_from_edit_mode __P((void));
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extern char *rl_get_keymap_name_from_edit_mode __P((void));
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/* Functions for manipulating the funmap, which maps command names to functions. */
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extern int rl_add_funmap_entry __P((char *, Function *));
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extern void rl_initialize_funmap __P((void));
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extern char **rl_funmap_names __P((void));
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/* Utility functions for managing keyboard macros. */
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extern void rl_push_macro_input __P((char *));
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/* Functions for undoing, from undo.c */
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extern void rl_add_undo __P((enum undo_code, int, int, char *));
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extern void free_undo_list __P((void));
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extern int rl_do_undo __P((void));
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extern int rl_begin_undo_group __P((void));
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extern int rl_end_undo_group __P((void));
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extern int rl_modifying __P((int, int));
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/* Functions for redisplay. */
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extern void rl_redisplay __P((void));
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extern int rl_on_new_line __P((void));
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extern int rl_on_new_line_with_prompt __P((void));
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extern int rl_forced_update_display __P((void));
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extern int rl_clear_message __P((void));
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extern int rl_reset_line_state __P((void));
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#if (defined (__STDC__) || defined (__cplusplus)) && defined (USE_VARARGS) && defined (PREFER_STDARG)
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extern int rl_message (const char *, ...);
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#else
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extern int rl_message ();
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#endif
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/* Undocumented in texinfo manual. */
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extern int rl_show_char __P((int));
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extern int rl_character_len __P((int, int));
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extern int crlf __P((void));
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/* Save and restore internal prompt redisplay information. */
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extern void rl_save_prompt __P((void));
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extern void rl_restore_prompt __P((void));
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/* Modifying text. */
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extern int rl_insert_text __P((char *));
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extern int rl_delete_text __P((int, int));
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extern int rl_kill_text __P((int, int));
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extern char *rl_copy_text __P((int, int));
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/* Terminal and tty mode management. */
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extern void rl_prep_terminal __P((int));
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extern void rl_deprep_terminal __P((void));
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extern void rltty_set_default_bindings __P((Keymap));
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extern int rl_reset_terminal __P((char *));
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extern void rl_resize_terminal __P((void));
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/* `Public' utility functions . */
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extern void rl_extend_line_buffer __P((int));
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extern int ding __P((void));
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/* Functions for character input. */
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extern int rl_stuff_char __P((int));
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extern int rl_execute_next __P((int));
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extern int rl_read_key __P((void));
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extern int rl_getc __P((FILE *));
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/* Readline signal handling, from signals.c */
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extern int rl_set_signals __P((void));
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extern int rl_clear_signals __P((void));
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extern void rl_cleanup_after_signal __P((void));
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extern void rl_reset_after_signal __P((void));
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extern void rl_free_line_state __P((void));
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/* Undocumented. */
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extern int rl_expand_prompt __P((char *));
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extern int maybe_save_line __P((void));
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extern int maybe_unsave_line __P((void));
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extern int maybe_replace_line __P((void));
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/* Completion functions. */
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extern int rl_complete_internal __P((int));
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extern void rl_display_match_list __P((char **, int, int));
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extern char **completion_matches __P((char *, CPFunction *));
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extern char *username_completion_function __P((char *, int));
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extern char *filename_completion_function __P((char *, int));
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/* **************************************************************** */
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/* */
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/* Well Published Variables */
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/* */
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/* **************************************************************** */
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/* The version of this incarnation of the readline library. */
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extern char *rl_library_version;
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/* True if this is real GNU readline. */
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extern int rl_gnu_readline_p;
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/* The name of the calling program. You should initialize this to
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whatever was in argv[0]. It is used when parsing conditionals. */
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extern char *rl_readline_name;
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/* The prompt readline uses. This is set from the argument to
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readline (), and should not be assigned to directly. */
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extern char *rl_prompt;
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/* The line buffer that is in use. */
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extern char *rl_line_buffer;
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/* The location of point, and end. */
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extern int rl_point, rl_end;
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/* The mark, or saved cursor position. */
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extern int rl_mark;
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/* Flag to indicate that readline has finished with the current input
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line and should return it. */
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extern int rl_done;
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/* If set to a character value, that will be the next keystroke read. */
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extern int rl_pending_input;
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|
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/* Non-zero if we called this function from _rl_dispatch(). It's present
|
|
so functions can find out whether they were called from a key binding
|
|
or directly from an application. */
|
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extern int rl_dispatching;
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|
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/* The name of the terminal to use. */
|
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extern char *rl_terminal_name;
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|
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/* The input and output streams. */
|
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extern FILE *rl_instream, *rl_outstream;
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|
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/* If non-zero, then this is the address of a function to call just
|
|
before readline_internal () prints the first prompt. */
|
|
extern Function *rl_startup_hook;
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|
|
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/* If non-zero, this is the address of a function to call just before
|
|
readline_internal_setup () returns and readline_internal starts
|
|
reading input characters. */
|
|
extern Function *rl_pre_input_hook;
|
|
|
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/* The address of a function to call periodically while Readline is
|
|
awaiting character input, or NULL, for no event handling. */
|
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extern Function *rl_event_hook;
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|
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extern Function *rl_getc_function;
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extern VFunction *rl_redisplay_function;
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extern VFunction *rl_prep_term_function;
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extern VFunction *rl_deprep_term_function;
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|
|
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/* Dispatch variables. */
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extern Keymap rl_executing_keymap;
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extern Keymap rl_binding_keymap;
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|
|
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/* Display variables. */
|
|
/* If non-zero, readline will erase the entire line, including any prompt,
|
|
if the only thing typed on an otherwise-blank line is something bound to
|
|
rl_newline. */
|
|
extern int rl_erase_empty_line;
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|
|
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/* If non-zero, the application has already printed the prompt (rl_prompt)
|
|
before calling readline, so readline should not output it the first time
|
|
redisplay is done. */
|
|
extern int rl_already_prompted;
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|
|
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/* A non-zero value means to read only this many characters rather than
|
|
up to a character bound to accept-line. */
|
|
extern int rl_num_chars_to_read;
|
|
|
|
/* Variables to control readline signal handling. */
|
|
/* If non-zero, readline will install its own signal handlers for
|
|
SIGINT, SIGTERM, SIGQUIT, SIGALRM, SIGTSTP, SIGTTIN, and SIGTTOU. */
|
|
extern int rl_catch_signals;
|
|
|
|
/* If non-zero, readline will install a signal handler for SIGWINCH
|
|
that also attempts to call any calling application's SIGWINCH signal
|
|
handler. Note that the terminal is not cleaned up before the
|
|
application's signal handler is called; use rl_cleanup_after_signal()
|
|
to do that. */
|
|
extern int rl_catch_sigwinch;
|
|
|
|
/* Completion variables. */
|
|
/* Pointer to the generator function for completion_matches ().
|
|
NULL means to use filename_entry_function (), the default filename
|
|
completer. */
|
|
extern Function *rl_completion_entry_function;
|
|
|
|
/* If rl_ignore_some_completions_function is non-NULL it is the address
|
|
of a function to call after all of the possible matches have been
|
|
generated, but before the actual completion is done to the input line.
|
|
The function is called with one argument; a NULL terminated array
|
|
of (char *). If your function removes any of the elements, they
|
|
must be free()'ed. */
|
|
extern Function *rl_ignore_some_completions_function;
|
|
|
|
/* Pointer to alternative function to create matches.
|
|
Function is called with TEXT, START, and END.
|
|
START and END are indices in RL_LINE_BUFFER saying what the boundaries
|
|
of TEXT are.
|
|
If this function exists and returns NULL then call the value of
|
|
rl_completion_entry_function to try to match, otherwise use the
|
|
array of strings returned. */
|
|
extern CPPFunction *rl_attempted_completion_function;
|
|
|
|
/* The basic list of characters that signal a break between words for the
|
|
completer routine. The initial contents of this variable is what
|
|
breaks words in the shell, i.e. "n\"\\'`@$>". */
|
|
extern char *rl_basic_word_break_characters;
|
|
|
|
/* The list of characters that signal a break between words for
|
|
rl_complete_internal. The default list is the contents of
|
|
rl_basic_word_break_characters. */
|
|
extern char *rl_completer_word_break_characters;
|
|
|
|
/* List of characters which can be used to quote a substring of the line.
|
|
Completion occurs on the entire substring, and within the substring
|
|
rl_completer_word_break_characters are treated as any other character,
|
|
unless they also appear within this list. */
|
|
extern char *rl_completer_quote_characters;
|
|
|
|
/* List of quote characters which cause a word break. */
|
|
extern char *rl_basic_quote_characters;
|
|
|
|
/* List of characters that need to be quoted in filenames by the completer. */
|
|
extern char *rl_filename_quote_characters;
|
|
|
|
/* List of characters that are word break characters, but should be left
|
|
in TEXT when it is passed to the completion function. The shell uses
|
|
this to help determine what kind of completing to do. */
|
|
extern char *rl_special_prefixes;
|
|
|
|
/* If non-zero, then this is the address of a function to call when
|
|
completing on a directory name. The function is called with
|
|
the address of a string (the current directory name) as an arg. */
|
|
extern Function *rl_directory_completion_hook;
|
|
|
|
/* Backwards compatibility with previous versions of readline. */
|
|
#define rl_symbolic_link_hook rl_directory_completion_hook
|
|
|
|
/* If non-zero, then this is the address of a function to call when
|
|
completing a word would normally display the list of possible matches.
|
|
This function is called instead of actually doing the display.
|
|
It takes three arguments: (char **matches, int num_matches, int max_length)
|
|
where MATCHES is the array of strings that matched, NUM_MATCHES is the
|
|
number of strings in that array, and MAX_LENGTH is the length of the
|
|
longest string in that array. */
|
|
extern VFunction *rl_completion_display_matches_hook;
|
|
|
|
/* Non-zero means that the results of the matches are to be treated
|
|
as filenames. This is ALWAYS zero on entry, and can only be changed
|
|
within a completion entry finder function. */
|
|
extern int rl_filename_completion_desired;
|
|
|
|
/* Non-zero means that the results of the matches are to be quoted using
|
|
double quotes (or an application-specific quoting mechanism) if the
|
|
filename contains any characters in rl_word_break_chars. This is
|
|
ALWAYS non-zero on entry, and can only be changed within a completion
|
|
entry finder function. */
|
|
extern int rl_filename_quoting_desired;
|
|
|
|
/* Set to a function to quote a filename in an application-specific fashion.
|
|
Called with the text to quote, the type of match found (single or multiple)
|
|
and a pointer to the quoting character to be used, which the function can
|
|
reset if desired. */
|
|
extern CPFunction *rl_filename_quoting_function;
|
|
|
|
/* Function to call to remove quoting characters from a filename. Called
|
|
before completion is attempted, so the embedded quotes do not interfere
|
|
with matching names in the file system. */
|
|
extern CPFunction *rl_filename_dequoting_function;
|
|
|
|
/* Function to call to decide whether or not a word break character is
|
|
quoted. If a character is quoted, it does not break words for the
|
|
completer. */
|
|
extern Function *rl_char_is_quoted_p;
|
|
|
|
/* Non-zero means to suppress normal filename completion after the
|
|
user-specified completion function has been called. */
|
|
extern int rl_attempted_completion_over;
|
|
|
|
/* Set to a character describing the type of completion being attempted by
|
|
rl_complete_internal; available for use by application completion
|
|
functions. */
|
|
extern int rl_completion_type;
|
|
|
|
/* Character appended to completed words when at the end of the line. The
|
|
default is a space. Nothing is added if this is '\0'. */
|
|
extern int rl_completion_append_character;
|
|
|
|
/* Up to this many items will be displayed in response to a
|
|
possible-completions call. After that, we ask the user if she
|
|
is sure she wants to see them all. The default value is 100. */
|
|
extern int rl_completion_query_items;
|
|
|
|
/* If non-zero, then disallow duplicates in the matches. */
|
|
extern int rl_ignore_completion_duplicates;
|
|
|
|
/* If this is non-zero, completion is (temporarily) inhibited, and the
|
|
completion character will be inserted as any other. */
|
|
extern int rl_inhibit_completion;
|
|
|
|
/* Definitions available for use by readline clients. */
|
|
#define RL_PROMPT_START_IGNORE '\001'
|
|
#define RL_PROMPT_END_IGNORE '\002'
|
|
|
|
/* Possible values for do_replace argument to rl_filename_quoting_function,
|
|
called by rl_complete_internal. */
|
|
#define NO_MATCH 0
|
|
#define SINGLE_MATCH 1
|
|
#define MULT_MATCH 2
|
|
|
|
#if 0
|
|
#if !defined (savestring)
|
|
extern char *savestring __P((char *)); /* XXX backwards compatibility */
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _READLINE_H_ */
|