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https://sourceware.org/git/binutils-gdb.git
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cb41b9e70e
This imports readline 8.0. readline/ChangeLog.gdb 2019-08-12 Tom Tromey <tom@tromey.com> * Imported readline 8.0.
574 lines
18 KiB
C
574 lines
18 KiB
C
/* rlprivate.h -- functions and variables global to the readline library,
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but not intended for use by applications. */
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/* Copyright (C) 1999-2015 Free Software Foundation, Inc.
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This file is part of the GNU Readline Library (Readline), a library
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for reading lines of text with interactive input and history editing.
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Readline is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Readline 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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You should have received a copy of the GNU General Public License
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along with Readline. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if !defined (_RL_PRIVATE_H_)
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#define _RL_PRIVATE_H_
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#include "rlconf.h" /* for VISIBLE_STATS */
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#include "rlstdc.h"
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#include "posixjmp.h" /* defines procenv_t */
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#include "rlmbutil.h" /* for HANDLE_MULTIBYTE */
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/*************************************************************************
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* *
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* Convenience definitions *
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* *
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*************************************************************************/
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#define EMACS_MODE() (rl_editing_mode == emacs_mode)
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#define VI_COMMAND_MODE() (rl_editing_mode == vi_mode && _rl_keymap == vi_movement_keymap)
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#define VI_INSERT_MODE() (rl_editing_mode == vi_mode && _rl_keymap == vi_insertion_keymap)
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#define RL_CHECK_SIGNALS() \
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do { \
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if (_rl_caught_signal) _rl_signal_handler (_rl_caught_signal); \
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} while (0)
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#define RL_SIG_RECEIVED() (_rl_caught_signal != 0)
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#define RL_SIGINT_RECEIVED() (_rl_caught_signal == SIGINT)
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#define RL_SIGWINCH_RECEIVED() (_rl_caught_signal == SIGWINCH)
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#define CUSTOM_REDISPLAY_FUNC() (rl_redisplay_function != rl_redisplay)
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#define CUSTOM_INPUT_FUNC() (rl_getc_function != rl_getc)
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/*************************************************************************
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* *
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* Global structs undocumented in texinfo manual and not in readline.h *
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* *
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*************************************************************************/
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/* search types */
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#define RL_SEARCH_ISEARCH 0x01 /* incremental search */
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#define RL_SEARCH_NSEARCH 0x02 /* non-incremental search */
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#define RL_SEARCH_CSEARCH 0x04 /* intra-line char search */
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/* search flags */
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#define SF_REVERSE 0x01
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#define SF_FOUND 0x02
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#define SF_FAILED 0x04
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#define SF_CHGKMAP 0x08
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#define SF_PATTERN 0x10 /* unused so far */
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typedef struct __rl_search_context
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{
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int type;
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int sflags;
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char *search_string;
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int search_string_index;
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int search_string_size;
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char **lines;
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char *allocated_line;
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int hlen;
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int hindex;
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int save_point;
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int save_mark;
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int save_line;
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int last_found_line;
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char *prev_line_found;
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UNDO_LIST *save_undo_list;
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Keymap keymap; /* used when dispatching commands in search string */
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Keymap okeymap; /* original keymap */
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int history_pos;
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int direction;
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int prevc;
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int lastc;
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#if defined (HANDLE_MULTIBYTE)
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char mb[MB_LEN_MAX];
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char pmb[MB_LEN_MAX];
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#endif
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char *sline;
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int sline_len;
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int sline_index;
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char *search_terminators;
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} _rl_search_cxt;
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/* Callback data for reading numeric arguments */
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#define NUM_SAWMINUS 0x01
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#define NUM_SAWDIGITS 0x02
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#define NUM_READONE 0x04
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typedef int _rl_arg_cxt;
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/* A context for reading key sequences longer than a single character when
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using the callback interface. */
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#define KSEQ_DISPATCHED 0x01
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#define KSEQ_SUBSEQ 0x02
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#define KSEQ_RECURSIVE 0x04
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typedef struct __rl_keyseq_context
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{
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int flags;
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int subseq_arg;
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int subseq_retval; /* XXX */
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int okey;
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Keymap dmap;
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Keymap oldmap;
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struct __rl_keyseq_context *ocxt;
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int childval;
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} _rl_keyseq_cxt;
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/* vi-mode commands that use result of motion command to define boundaries */
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#define VIM_DELETE 0x01
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#define VIM_CHANGE 0x02
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#define VIM_YANK 0x04
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/* various states for vi-mode commands that use motion commands. reflects
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RL_READLINE_STATE */
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#define VMSTATE_READ 0x01
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#define VMSTATE_NUMARG 0x02
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typedef struct __rl_vimotion_context
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{
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int op;
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int state;
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int flags; /* reserved */
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_rl_arg_cxt ncxt;
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int numeric_arg;
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int start, end; /* rl_point, rl_end */
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int key, motion; /* initial key, motion command */
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} _rl_vimotion_cxt;
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/* fill in more as needed */
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/* `Generic' callback data and functions */
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typedef struct __rl_callback_generic_arg
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{
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int count;
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int i1, i2;
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/* add here as needed */
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} _rl_callback_generic_arg;
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typedef int _rl_callback_func_t PARAMS((_rl_callback_generic_arg *));
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typedef void _rl_sigcleanup_func_t PARAMS((int, void *));
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/*************************************************************************
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* *
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* Global functions undocumented in texinfo manual and not in readline.h *
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* *
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*************************************************************************/
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/*************************************************************************
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* *
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* Global variables undocumented in texinfo manual and not in readline.h *
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* *
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*************************************************************************/
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/* complete.c */
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extern int rl_complete_with_tilde_expansion;
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#if defined (VISIBLE_STATS)
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extern int rl_visible_stats;
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#endif /* VISIBLE_STATS */
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#if defined (COLOR_SUPPORT)
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extern int _rl_colored_stats;
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extern int _rl_colored_completion_prefix;
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#endif
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/* readline.c */
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extern int rl_line_buffer_len;
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extern int rl_arg_sign;
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extern int rl_visible_prompt_length;
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extern int rl_byte_oriented;
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/* display.c */
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extern int rl_display_fixed;
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/* parens.c */
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extern int rl_blink_matching_paren;
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/*************************************************************************
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* *
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* Global functions and variables unused and undocumented *
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* *
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*************************************************************************/
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/* kill.c */
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extern int rl_set_retained_kills PARAMS((int));
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/* terminal.c */
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extern void _rl_set_screen_size PARAMS((int, int));
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/* undo.c */
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extern int _rl_fix_last_undo_of_type PARAMS((int, int, int));
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/* util.c */
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extern char *_rl_savestring PARAMS((const char *));
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/*************************************************************************
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* *
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* Functions and variables private to the readline library *
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* *
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*************************************************************************/
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/* NOTE: Functions and variables prefixed with `_rl_' are
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pseudo-global: they are global so they can be shared
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between files in the readline library, but are not intended
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to be visible to readline callers. */
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/*************************************************************************
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* Undocumented private functions *
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*************************************************************************/
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#if defined(READLINE_CALLBACKS)
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/* readline.c */
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extern void readline_internal_setup PARAMS((void));
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extern char *readline_internal_teardown PARAMS((int));
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extern int readline_internal_char PARAMS((void));
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extern _rl_keyseq_cxt *_rl_keyseq_cxt_alloc PARAMS((void));
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extern void _rl_keyseq_cxt_dispose PARAMS((_rl_keyseq_cxt *));
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extern void _rl_keyseq_chain_dispose PARAMS((void));
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extern int _rl_dispatch_callback PARAMS((_rl_keyseq_cxt *));
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/* callback.c */
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extern _rl_callback_generic_arg *_rl_callback_data_alloc PARAMS((int));
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extern void _rl_callback_data_dispose PARAMS((_rl_callback_generic_arg *));
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#endif /* READLINE_CALLBACKS */
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/* bind.c */
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extern char *_rl_untranslate_macro_value PARAMS((char *, int));
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/* complete.c */
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extern void _rl_reset_completion_state PARAMS((void));
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extern char _rl_find_completion_word PARAMS((int *, int *));
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extern void _rl_free_match_list PARAMS((char **));
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/* display.c */
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extern char *_rl_strip_prompt PARAMS((char *));
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extern void _rl_reset_prompt PARAMS((void));
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extern void _rl_move_cursor_relative PARAMS((int, const char *));
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extern void _rl_move_vert PARAMS((int));
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extern void _rl_save_prompt PARAMS((void));
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extern void _rl_restore_prompt PARAMS((void));
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extern char *_rl_make_prompt_for_search PARAMS((int));
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extern void _rl_erase_at_end_of_line PARAMS((int));
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extern void _rl_clear_to_eol PARAMS((int));
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extern void _rl_clear_screen PARAMS((void));
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extern void _rl_update_final PARAMS((void));
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extern void _rl_redisplay_after_sigwinch PARAMS((void));
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extern void _rl_clean_up_for_exit PARAMS((void));
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extern void _rl_erase_entire_line PARAMS((void));
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extern int _rl_current_display_line PARAMS((void));
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/* input.c */
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extern int _rl_any_typein PARAMS((void));
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extern int _rl_input_available PARAMS((void));
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extern int _rl_input_queued PARAMS((int));
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extern void _rl_insert_typein PARAMS((int));
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extern int _rl_unget_char PARAMS((int));
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extern int _rl_pushed_input_available PARAMS((void));
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/* isearch.c */
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extern _rl_search_cxt *_rl_scxt_alloc PARAMS((int, int));
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extern void _rl_scxt_dispose PARAMS((_rl_search_cxt *, int));
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extern int _rl_isearch_dispatch PARAMS((_rl_search_cxt *, int));
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extern int _rl_isearch_callback PARAMS((_rl_search_cxt *));
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extern int _rl_isearch_cleanup PARAMS((_rl_search_cxt *, int));
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extern int _rl_search_getchar PARAMS((_rl_search_cxt *));
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/* kill.c */
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#define BRACK_PASTE_PREF "\033[200~"
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#define BRACK_PASTE_SUFF "\033[201~"
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#define BRACK_PASTE_LAST '~'
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#define BRACK_PASTE_SLEN 6
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#define BRACK_PASTE_INIT "\033[?2004h"
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#define BRACK_PASTE_FINI "\033[?2004l\r"
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extern char *_rl_bracketed_text PARAMS((size_t *));
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/* macro.c */
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extern void _rl_with_macro_input PARAMS((char *));
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extern int _rl_peek_macro_key PARAMS((void));
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extern int _rl_next_macro_key PARAMS((void));
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extern int _rl_prev_macro_key PARAMS((void));
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extern void _rl_push_executing_macro PARAMS((void));
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extern void _rl_pop_executing_macro PARAMS((void));
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extern void _rl_add_macro_char PARAMS((int));
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extern void _rl_kill_kbd_macro PARAMS((void));
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/* misc.c */
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extern int _rl_arg_overflow PARAMS((void));
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extern void _rl_arg_init PARAMS((void));
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extern int _rl_arg_getchar PARAMS((void));
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extern int _rl_arg_callback PARAMS((_rl_arg_cxt));
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extern void _rl_reset_argument PARAMS((void));
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extern void _rl_start_using_history PARAMS((void));
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extern int _rl_free_saved_history_line PARAMS((void));
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extern void _rl_set_insert_mode PARAMS((int, int));
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extern void _rl_revert_all_lines PARAMS((void));
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/* nls.c */
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extern char *_rl_init_locale PARAMS((void));
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extern int _rl_init_eightbit PARAMS((void));
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/* parens.c */
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extern void _rl_enable_paren_matching PARAMS((int));
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/* readline.c */
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extern void _rl_init_line_state PARAMS((void));
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extern void _rl_set_the_line PARAMS((void));
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extern int _rl_dispatch PARAMS((int, Keymap));
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extern int _rl_dispatch_subseq PARAMS((int, Keymap, int));
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extern void _rl_internal_char_cleanup PARAMS((void));
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/* rltty.c */
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extern int _rl_disable_tty_signals PARAMS((void));
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extern int _rl_restore_tty_signals PARAMS((void));
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/* search.c */
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extern int _rl_nsearch_callback PARAMS((_rl_search_cxt *));
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extern int _rl_nsearch_cleanup PARAMS((_rl_search_cxt *, int));
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/* signals.c */
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extern void _rl_signal_handler PARAMS((int));
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extern void _rl_block_sigint PARAMS((void));
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extern void _rl_release_sigint PARAMS((void));
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extern void _rl_block_sigwinch PARAMS((void));
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extern void _rl_release_sigwinch PARAMS((void));
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/* terminal.c */
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extern void _rl_get_screen_size PARAMS((int, int));
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extern void _rl_sigwinch_resize_terminal PARAMS((void));
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extern int _rl_init_terminal_io PARAMS((const char *));
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#ifdef _MINIX
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extern void _rl_output_character_function PARAMS((int));
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#else
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extern int _rl_output_character_function PARAMS((int));
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#endif
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extern void _rl_output_some_chars PARAMS((const char *, int));
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extern int _rl_backspace PARAMS((int));
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extern void _rl_enable_meta_key PARAMS((void));
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extern void _rl_disable_meta_key PARAMS((void));
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extern void _rl_control_keypad PARAMS((int));
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extern void _rl_set_cursor PARAMS((int, int));
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/* text.c */
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extern void _rl_fix_point PARAMS((int));
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extern int _rl_replace_text PARAMS((const char *, int, int));
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extern int _rl_forward_char_internal PARAMS((int));
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extern int _rl_backward_char_internal PARAMS((int));
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extern int _rl_insert_char PARAMS((int, int));
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extern int _rl_overwrite_char PARAMS((int, int));
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extern int _rl_overwrite_rubout PARAMS((int, int));
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extern int _rl_rubout_char PARAMS((int, int));
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#if defined (HANDLE_MULTIBYTE)
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extern int _rl_char_search_internal PARAMS((int, int, char *, int));
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#else
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extern int _rl_char_search_internal PARAMS((int, int, int));
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#endif
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extern int _rl_set_mark_at_pos PARAMS((int));
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/* undo.c */
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extern UNDO_LIST *_rl_copy_undo_entry PARAMS((UNDO_LIST *));
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extern UNDO_LIST *_rl_copy_undo_list PARAMS((UNDO_LIST *));
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extern void _rl_free_undo_list PARAMS((UNDO_LIST *));
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/* util.c */
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#if defined (USE_VARARGS) && defined (PREFER_STDARG)
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extern void _rl_ttymsg (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
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extern void _rl_errmsg (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
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extern void _rl_trace (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
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#else
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extern void _rl_ttymsg ();
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extern void _rl_errmsg ();
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extern void _rl_trace ();
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#endif
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extern void _rl_audit_tty PARAMS((char *));
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extern int _rl_tropen PARAMS((void));
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extern int _rl_abort_internal PARAMS((void));
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extern int _rl_null_function PARAMS((int, int));
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extern char *_rl_strindex PARAMS((const char *, const char *));
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extern int _rl_qsort_string_compare PARAMS((char **, char **));
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extern int (_rl_uppercase_p) PARAMS((int));
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extern int (_rl_lowercase_p) PARAMS((int));
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extern int (_rl_pure_alphabetic) PARAMS((int));
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extern int (_rl_digit_p) PARAMS((int));
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extern int (_rl_to_lower) PARAMS((int));
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extern int (_rl_to_upper) PARAMS((int));
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extern int (_rl_digit_value) PARAMS((int));
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/* vi_mode.c */
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extern void _rl_vi_initialize_line PARAMS((void));
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extern void _rl_vi_reset_last PARAMS((void));
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extern void _rl_vi_set_last PARAMS((int, int, int));
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extern int _rl_vi_textmod_command PARAMS((int));
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extern int _rl_vi_motion_command PARAMS((int));
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extern void _rl_vi_done_inserting PARAMS((void));
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extern int _rl_vi_domove_callback PARAMS((_rl_vimotion_cxt *));
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extern int _rl_vi_domove_motion_cleanup PARAMS((int, _rl_vimotion_cxt *));
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/*************************************************************************
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* Undocumented private variables *
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*************************************************************************/
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/* bind.c */
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extern const char * const _rl_possible_control_prefixes[];
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extern const char * const _rl_possible_meta_prefixes[];
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/* callback.c */
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extern _rl_callback_func_t *_rl_callback_func;
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extern _rl_callback_generic_arg *_rl_callback_data;
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/* complete.c */
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extern int _rl_complete_show_all;
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extern int _rl_complete_show_unmodified;
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extern int _rl_complete_mark_directories;
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extern int _rl_complete_mark_symlink_dirs;
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extern int _rl_completion_prefix_display_length;
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extern int _rl_completion_columns;
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extern int _rl_print_completions_horizontally;
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extern int _rl_completion_case_fold;
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extern int _rl_completion_case_map;
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extern int _rl_match_hidden_files;
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extern int _rl_page_completions;
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extern int _rl_skip_completed_text;
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extern int _rl_menu_complete_prefix_first;
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/* display.c */
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extern int _rl_vis_botlin;
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extern int _rl_last_c_pos;
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extern int _rl_suppress_redisplay;
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extern int _rl_want_redisplay;
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extern char *_rl_emacs_mode_str;
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extern int _rl_emacs_modestr_len;
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extern char *_rl_vi_ins_mode_str;
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extern int _rl_vi_ins_modestr_len;
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extern char *_rl_vi_cmd_mode_str;
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extern int _rl_vi_cmd_modestr_len;
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/* isearch.c */
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extern char *_rl_isearch_terminators;
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extern _rl_search_cxt *_rl_iscxt;
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/* macro.c */
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extern char *_rl_executing_macro;
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/* misc.c */
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extern int _rl_history_preserve_point;
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extern int _rl_history_saved_point;
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extern _rl_arg_cxt _rl_argcxt;
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/* nls.c */
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extern int _rl_utf8locale;
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/* readline.c */
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extern int _rl_echoing_p;
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extern int _rl_horizontal_scroll_mode;
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extern int _rl_mark_modified_lines;
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extern int _rl_bell_preference;
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extern int _rl_meta_flag;
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extern int _rl_convert_meta_chars_to_ascii;
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extern int _rl_output_meta_chars;
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extern int _rl_bind_stty_chars;
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extern int _rl_revert_all_at_newline;
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extern int _rl_echo_control_chars;
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extern int _rl_show_mode_in_prompt;
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extern int _rl_enable_bracketed_paste;
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extern char *_rl_comment_begin;
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extern unsigned char _rl_parsing_conditionalized_out;
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extern Keymap _rl_keymap;
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extern FILE *_rl_in_stream;
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extern FILE *_rl_out_stream;
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extern int _rl_last_command_was_kill;
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extern int _rl_eof_char;
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extern int _rl_eof_found;
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extern procenv_t _rl_top_level;
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extern _rl_keyseq_cxt *_rl_kscxt;
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extern int _rl_keyseq_timeout;
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extern int _rl_executing_keyseq_size;
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/* search.c */
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extern _rl_search_cxt *_rl_nscxt;
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/* signals.c */
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extern int _rl_interrupt_immediately;
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extern int volatile _rl_caught_signal;
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extern _rl_sigcleanup_func_t *_rl_sigcleanup;
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extern void *_rl_sigcleanarg;
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extern int _rl_echoctl;
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extern int _rl_intr_char;
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extern int _rl_quit_char;
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extern int _rl_susp_char;
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/* terminal.c */
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extern int _rl_enable_keypad;
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extern int _rl_enable_meta;
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extern char *_rl_term_clreol;
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extern char *_rl_term_clrpag;
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extern char *_rl_term_clrscroll;
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extern char *_rl_term_im;
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extern char *_rl_term_ic;
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extern char *_rl_term_ei;
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extern char *_rl_term_DC;
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extern char *_rl_term_up;
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extern char *_rl_term_dc;
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extern char *_rl_term_cr;
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extern char *_rl_term_IC;
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extern char *_rl_term_forward_char;
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extern int _rl_screenheight;
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extern int _rl_screenwidth;
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extern int _rl_screenchars;
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extern int _rl_terminal_can_insert;
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extern int _rl_term_autowrap;
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/* text.c */
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extern int _rl_optimize_typeahead;
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/* undo.c */
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extern int _rl_doing_an_undo;
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extern int _rl_undo_group_level;
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/* vi_mode.c */
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extern int _rl_vi_last_command;
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extern int _rl_vi_redoing;
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extern _rl_vimotion_cxt *_rl_vimvcxt;
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#endif /* _RL_PRIVATE_H_ */
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