Useful add-on libraries

1 files changed, 725 insertions, 0 deletions

diff --git a/readline-4.2/readline.h b/readline-4.2/readline.h
new file mode 100644
index 0000000..d362df1
--- /dev/null
+++ b/readline-4.2/readline.h
@@ -0,0 +1,725 @@
+/* Readline.h -- the names of functions callable from within readline. */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#if !defined (_READLINE_H_)
+#define _READLINE_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined (READLINE_LIBRARY)
+#  include "rlstdc.h"
+#  include "keymaps.h"
+#  include "tilde.h"
+#else
+#  include <readline/rlstdc.h>
+#  include <readline/keymaps.h>
+#  include <readline/tilde.h>
+#endif
+
+/* Readline data structures. */
+
+/* Maintaining the state of undo.  We remember individual deletes and inserts
+   on a chain of things to do. */
+
+/* The actions that undo knows how to undo.  Notice that UNDO_DELETE means
+   to insert some text, and UNDO_INSERT means to delete some text.   I.e.,
+   the code tells undo what to undo, not how to undo it. */
+enum undo_code { UNDO_DELETE, UNDO_INSERT, UNDO_BEGIN, UNDO_END };
+
+/* What an element of THE_UNDO_LIST looks like. */
+typedef struct undo_list {
+  struct undo_list *next;
+  int start, end;		/* Where the change took place. */
+  char *text;			/* The text to insert, if undoing a delete. */
+  enum undo_code what;		/* Delete, Insert, Begin, End. */
+} UNDO_LIST;
+
+/* The current undo list for RL_LINE_BUFFER. */
+extern UNDO_LIST *rl_undo_list;
+
+/* The data structure for mapping textual names to code addresses. */
+typedef struct _funmap {
+  const char *name;
+  rl_command_func_t *function;
+} FUNMAP;
+
+extern FUNMAP **funmap;
+
+/* **************************************************************** */
+/*								    */
+/*	     Functions available to bind to key sequences	    */
+/*								    */
+/* **************************************************************** */
+
+/* Bindable commands for numeric arguments. */
+extern int rl_digit_argument __P((int, int));
+extern int rl_universal_argument __P((int, int));
+
+/* Bindable commands for moving the cursor. */
+extern int rl_forward __P((int, int));
+extern int rl_backward __P((int, int));
+extern int rl_beg_of_line __P((int, int));
+extern int rl_end_of_line __P((int, int));
+extern int rl_forward_word __P((int, int));
+extern int rl_backward_word __P((int, int));
+extern int rl_refresh_line __P((int, int));
+extern int rl_clear_screen __P((int, int));
+extern int rl_arrow_keys __P((int, int));
+
+/* Bindable commands for inserting and deleting text. */
+extern int rl_insert __P((int, int));
+extern int rl_quoted_insert __P((int, int));
+extern int rl_tab_insert __P((int, int));
+extern int rl_newline __P((int, int));
+extern int rl_do_lowercase_version __P((int, int));
+extern int rl_rubout __P((int, int));
+extern int rl_delete __P((int, int));
+extern int rl_rubout_or_delete __P((int, int));
+extern int rl_delete_horizontal_space __P((int, int));
+extern int rl_delete_or_show_completions __P((int, int));
+extern int rl_insert_comment __P((int, int));
+
+/* Bindable commands for changing case. */
+extern int rl_upcase_word __P((int, int));
+extern int rl_downcase_word __P((int, int));
+extern int rl_capitalize_word __P((int, int));
+
+/* Bindable commands for transposing characters and words. */
+extern int rl_transpose_words __P((int, int));
+extern int rl_transpose_chars __P((int, int));
+
+/* Bindable commands for searching within a line. */
+extern int rl_char_search __P((int, int));
+extern int rl_backward_char_search __P((int, int));
+
+/* Bindable commands for readline's interface to the command history. */
+extern int rl_beginning_of_history __P((int, int));
+extern int rl_end_of_history __P((int, int));
+extern int rl_get_next_history __P((int, int));
+extern int rl_get_previous_history __P((int, int));
+
+/* Bindable commands for managing the mark and region. */
+extern int rl_set_mark __P((int, int));
+extern int rl_exchange_point_and_mark __P((int, int));
+
+/* Bindable commands to set the editing mode (emacs or vi). */
+extern int rl_vi_editing_mode __P((int, int));
+extern int rl_emacs_editing_mode __P((int, int));
+
+/* Bindable commands for managing key bindings. */
+extern int rl_re_read_init_file __P((int, int));
+extern int rl_dump_functions __P((int, int));
+extern int rl_dump_macros __P((int, int));
+extern int rl_dump_variables __P((int, int));
+
+/* Bindable commands for word completion. */
+extern int rl_complete __P((int, int));
+extern int rl_possible_completions __P((int, int));
+extern int rl_insert_completions __P((int, int));
+extern int rl_menu_complete __P((int, int));
+
+/* Bindable commands for killing and yanking text, and managing the kill ring. */
+extern int rl_kill_word __P((int, int));
+extern int rl_backward_kill_word __P((int, int));
+extern int rl_kill_line __P((int, int));
+extern int rl_backward_kill_line __P((int, int));
+extern int rl_kill_full_line __P((int, int));
+extern int rl_unix_word_rubout __P((int, int));
+extern int rl_unix_line_discard __P((int, int));
+extern int rl_copy_region_to_kill __P((int, int));
+extern int rl_kill_region __P((int, int));
+extern int rl_copy_forward_word __P((int, int));
+extern int rl_copy_backward_word __P((int, int));
+extern int rl_yank __P((int, int));
+extern int rl_yank_pop __P((int, int));
+extern int rl_yank_nth_arg __P((int, int));
+extern int rl_yank_last_arg __P((int, int));
+/* Not available unless __CYGWIN__ is defined. */
+#ifdef __CYGWIN__
+extern int rl_paste_from_clipboard __P((int, int));
+#endif
+
+/* Bindable commands for incremental searching. */
+extern int rl_reverse_search_history __P((int, int));
+extern int rl_forward_search_history __P((int, int));
+
+/* Bindable keyboard macro commands. */
+extern int rl_start_kbd_macro __P((int, int));
+extern int rl_end_kbd_macro __P((int, int));
+extern int rl_call_last_kbd_macro __P((int, int));
+
+/* Bindable undo commands. */
+extern int rl_revert_line __P((int, int));
+extern int rl_undo_command __P((int, int));
+
+/* Bindable tilde expansion commands. */
+extern int rl_tilde_expand __P((int, int));
+
+/* Bindable terminal control commands. */
+extern int rl_restart_output __P((int, int));
+extern int rl_stop_output __P((int, int));
+
+/* Miscellaneous bindable commands. */
+extern int rl_abort __P((int, int));
+extern int rl_tty_status __P((int, int));
+
+/* Bindable commands for incremental and non-incremental history searching. */
+extern int rl_history_search_forward __P((int, int));
+extern int rl_history_search_backward __P((int, int));
+extern int rl_noninc_forward_search __P((int, int));
+extern int rl_noninc_reverse_search __P((int, int));
+extern int rl_noninc_forward_search_again __P((int, int));
+extern int rl_noninc_reverse_search_again __P((int, int));
+
+/* Bindable command used when inserting a matching close character. */
+extern int rl_insert_close __P((int, int));
+
+/* Not available unless READLINE_CALLBACKS is defined. */
+extern void rl_callback_handler_install __P((const char *, rl_vcpfunc_t *));
+extern void rl_callback_read_char __P((void));
+extern void rl_callback_handler_remove __P((void));
+
+/* Things for vi mode. Not available unless readline is compiled -DVI_MODE. */
+/* VI-mode bindable commands. */
+extern int rl_vi_redo __P((int, int));
+extern int rl_vi_undo __P((int, int));
+extern int rl_vi_yank_arg __P((int, int));
+extern int rl_vi_fetch_history __P((int, int));
+extern int rl_vi_search_again __P((int, int));
+extern int rl_vi_search __P((int, int));
+extern int rl_vi_complete __P((int, int));
+extern int rl_vi_tilde_expand __P((int, int));
+extern int rl_vi_prev_word __P((int, int));
+extern int rl_vi_next_word __P((int, int));
+extern int rl_vi_end_word __P((int, int));
+extern int rl_vi_insert_beg __P((int, int));
+extern int rl_vi_append_mode __P((int, int));
+extern int rl_vi_append_eol __P((int, int));
+extern int rl_vi_eof_maybe __P((int, int));
+extern int rl_vi_insertion_mode __P((int, int));
+extern int rl_vi_movement_mode __P((int, int));
+extern int rl_vi_arg_digit __P((int, int));
+extern int rl_vi_change_case __P((int, int));
+extern int rl_vi_put __P((int, int));
+extern int rl_vi_column __P((int, int));
+extern int rl_vi_delete_to __P((int, int));
+extern int rl_vi_change_to __P((int, int));
+extern int rl_vi_yank_to __P((int, int));
+extern int rl_vi_delete __P((int, int));
+extern int rl_vi_back_to_indent __P((int, int));
+extern int rl_vi_first_print __P((int, int));
+extern int rl_vi_char_search __P((int, int));
+extern int rl_vi_match __P((int, int));
+extern int rl_vi_change_char __P((int, int));
+extern int rl_vi_subst __P((int, int));
+extern int rl_vi_overstrike __P((int, int));
+extern int rl_vi_overstrike_delete __P((int, int));
+extern int rl_vi_replace __P((int, int));
+extern int rl_vi_set_mark __P((int, int));
+extern int rl_vi_goto_mark __P((int, int));
+
+/* VI-mode utility functions. */
+extern int rl_vi_check __P((void));
+extern int rl_vi_domove __P((int, int *));
+extern int rl_vi_bracktype __P((int));
+
+/* VI-mode pseudo-bindable commands, used as utility functions. */
+extern int rl_vi_fWord __P((int, int));
+extern int rl_vi_bWord __P((int, int));
+extern int rl_vi_eWord __P((int, int));
+extern int rl_vi_fword __P((int, int));
+extern int rl_vi_bword __P((int, int));
+extern int rl_vi_eword __P((int, int));
+
+/* **************************************************************** */
+/*								    */
+/*			Well Published Functions		    */
+/*								    */
+/* **************************************************************** */
+
+/* Readline functions. */
+/* Read a line of input.  Prompt with PROMPT.  A NULL PROMPT means none. */
+extern char *readline __P((const char *));
+
+extern int rl_set_prompt __P((const char *));
+extern int rl_expand_prompt __P((char *));
+
+extern int rl_initialize __P((void));
+
+/* Undocumented; unused by readline */
+extern int rl_discard_argument __P((void));
+
+/* Utility functions to bind keys to readline commands. */
+extern int rl_add_defun __P((const char *, rl_command_func_t *, int));
+extern int rl_bind_key __P((int, rl_command_func_t *));
+extern int rl_bind_key_in_map __P((int, rl_command_func_t *, Keymap));
+extern int rl_unbind_key __P((int));
+extern int rl_unbind_key_in_map __P((int, Keymap));
+extern int rl_unbind_function_in_map __P((rl_command_func_t *, Keymap));
+extern int rl_unbind_command_in_map __P((const char *, Keymap));
+extern int rl_set_key __P((const char *, rl_command_func_t *, Keymap));
+extern int rl_generic_bind __P((int, const char *, char *, Keymap));
+extern int rl_variable_bind __P((const char *, const char *));
+
+/* Backwards compatibility, use rl_generic_bind instead. */
+extern int rl_macro_bind __P((const char *, const char *, Keymap));
+
+/* Undocumented in the texinfo manual; not really useful to programs. */
+extern int rl_translate_keyseq __P((const char *, char *, int *));
+extern char *rl_untranslate_keyseq __P((int));
+
+extern rl_command_func_t *rl_named_function __P((const char *));
+extern rl_command_func_t *rl_function_of_keyseq __P((const char *, Keymap, int *));
+
+extern void rl_list_funmap_names __P((void));
+extern char **rl_invoking_keyseqs_in_map __P((rl_command_func_t *, Keymap));
+extern char **rl_invoking_keyseqs __P((rl_command_func_t *));
+ 
+extern void rl_function_dumper __P((int));
+extern void rl_macro_dumper __P((int));
+extern void rl_variable_dumper __P((int));
+
+extern int rl_read_init_file __P((const char *));
+extern int rl_parse_and_bind __P((char *));
+
+/* Functions for manipulating keymaps. */
+extern Keymap rl_make_bare_keymap __P((void));
+extern Keymap rl_copy_keymap __P((Keymap));
+extern Keymap rl_make_keymap __P((void));
+extern void rl_discard_keymap __P((Keymap));
+
+extern Keymap rl_get_keymap_by_name __P((const char *));
+extern char *rl_get_keymap_name __P((Keymap));
+extern void rl_set_keymap __P((Keymap));
+extern Keymap rl_get_keymap __P((void));
+/* Undocumented; used internally only. */
+extern void rl_set_keymap_from_edit_mode __P((void));
+extern char *rl_get_keymap_name_from_edit_mode __P((void));
+
+/* Functions for manipulating the funmap, which maps command names to functions. */
+extern int rl_add_funmap_entry __P((const char *, rl_command_func_t *));
+extern const char **rl_funmap_names __P((void));
+/* Undocumented, only used internally -- there is only one funmap, and this
+   function may be called only once. */
+extern void rl_initialize_funmap __P((void));
+
+/* Utility functions for managing keyboard macros. */
+extern void rl_push_macro_input __P((char *));
+
+/* Functions for undoing, from undo.c */
+extern void rl_add_undo __P((enum undo_code, int, int, char *));
+extern void rl_free_undo_list __P((void));
+extern int rl_do_undo __P((void));
+extern int rl_begin_undo_group __P((void));
+extern int rl_end_undo_group __P((void));
+extern int rl_modifying __P((int, int));
+
+/* Functions for redisplay. */
+extern void rl_redisplay __P((void));
+extern int rl_on_new_line __P((void));
+extern int rl_on_new_line_with_prompt __P((void));
+extern int rl_forced_update_display __P((void));
+extern int rl_clear_message __P((void));
+extern int rl_reset_line_state __P((void));
+extern int rl_crlf __P((void));
+
+#if (defined (__STDC__) || defined (__cplusplus)) && defined (USE_VARARGS) && defined (PREFER_STDARG)
+extern int rl_message (const char *, ...);
+#else
+extern int rl_message ();
+#endif
+
+extern int rl_show_char __P((int));
+
+/* Undocumented in texinfo manual. */
+extern int rl_character_len __P((int, int));
+
+/* Save and restore internal prompt redisplay information. */
+extern void rl_save_prompt __P((void));
+extern void rl_restore_prompt __P((void));
+
+/* Modifying text. */
+extern int rl_insert_text __P((const char *));
+extern int rl_delete_text __P((int, int));
+extern int rl_kill_text __P((int, int));
+extern char *rl_copy_text __P((int, int));
+
+/* Terminal and tty mode management. */
+extern void rl_prep_terminal __P((int));
+extern void rl_deprep_terminal __P((void));
+extern void rl_tty_set_default_bindings __P((Keymap));
+
+extern int rl_reset_terminal __P((const char *));
+extern void rl_resize_terminal __P((void));
+extern void rl_set_screen_size __P((int, int));
+extern void rl_get_screen_size __P((int *, int *));
+
+/* Functions for character input. */
+extern int rl_stuff_char __P((int));
+extern int rl_execute_next __P((int));
+extern int rl_clear_pending_input __P((void));
+extern int rl_read_key __P((void));
+extern int rl_getc __P((FILE *));
+extern int rl_set_keyboard_input_timeout __P((int));
+
+/* `Public' utility functions . */
+extern void rl_extend_line_buffer __P((int));
+extern int rl_ding __P((void));
+extern int rl_alphabetic __P((int));
+
+/* Readline signal handling, from signals.c */
+extern int rl_set_signals __P((void));
+extern int rl_clear_signals __P((void));
+extern void rl_cleanup_after_signal __P((void));
+extern void rl_reset_after_signal __P((void));
+extern void rl_free_line_state __P((void));
+ 
+/* Undocumented. */
+extern int rl_set_paren_blink_timeout __P((int));
+
+/* Undocumented. */
+extern int rl_maybe_save_line __P((void));
+extern int rl_maybe_unsave_line __P((void));
+extern int rl_maybe_replace_line __P((void));
+
+/* Completion functions. */
+extern int rl_complete_internal __P((int));
+extern void rl_display_match_list __P((char **, int, int));
+
+extern char **rl_completion_matches __P((const char *, rl_compentry_func_t *));
+extern char *rl_username_completion_function __P((const char *, int));
+extern char *rl_filename_completion_function __P((const char *, int));
+
+#if 0
+/* Backwards compatibility (compat.c).  These will go away sometime. */
+extern void free_undo_list __P((void));
+extern int maybe_save_line __P((void));
+extern int maybe_unsave_line __P((void));
+extern int maybe_replace_line __P((void));
+
+extern int ding __P((void));
+extern int alphabetic __P((int));
+extern int crlf __P((void));
+
+extern char **completion_matches __P((char *, rl_compentry_func_t *));
+extern char *username_completion_function __P((const char *, int));
+extern char *filename_completion_function __P((const char *, int));
+#endif
+
+/* **************************************************************** */
+/*								    */
+/*			Well Published Variables		    */
+/*								    */
+/* **************************************************************** */
+
+/* The version of this incarnation of the readline library. */
+extern const char *rl_library_version;
+
+/* True if this is real GNU readline. */
+extern int rl_gnu_readline_p;
+
+/* Flags word encapsulating the current readline state. */
+extern int rl_readline_state;
+
+/* Says which editing mode readline is currently using.  1 means emacs mode;
+   0 means vi mode. */
+extern int rl_editing_mode;
+
+/* The name of the calling program.  You should initialize this to
+   whatever was in argv[0].  It is used when parsing conditionals. */
+extern const char *rl_readline_name;
+
+/* The prompt readline uses.  This is set from the argument to
+   readline (), and should not be assigned to directly. */
+extern char *rl_prompt;
+
+/* The line buffer that is in use. */
+extern char *rl_line_buffer;
+
+/* The location of point, and end. */
+extern int rl_point;
+extern int rl_end;
+
+/* The mark, or saved cursor position. */
+extern int rl_mark;
+
+/* Flag to indicate that readline has finished with the current input
+   line and should return it. */
+extern int rl_done;
+
+/* If set to a character value, that will be the next keystroke read. */
+extern int rl_pending_input;
+
+/* 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. */
+extern int rl_dispatching;
+
+/* Non-zero if the user typed a numeric argument before executing the
+   current function. */
+extern int rl_explicit_arg;
+
+/* The current value of the numeric argument specified by the user. */
+extern int rl_numeric_arg;
+
+/* The address of the last command function Readline executed. */
+extern rl_command_func_t *rl_last_func;
+
+/* The name of the terminal to use. */
+extern const char *rl_terminal_name;
+
+/* The input and output streams. */
+extern FILE *rl_instream;
+extern FILE *rl_outstream;
+
+/* If non-zero, then this is the address of a function to call just
+   before readline_internal () prints the first prompt. */
+extern rl_hook_func_t *rl_startup_hook;
+
+/* 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 rl_hook_func_t *rl_pre_input_hook;
+      
+/* The address of a function to call periodically while Readline is
+   awaiting character input, or NULL, for no event handling. */
+extern rl_hook_func_t *rl_event_hook;
+
+/* The address of the function to call to fetch a character from the current
+   Readline input stream */
+extern rl_getc_func_t *rl_getc_function;
+
+extern rl_voidfunc_t *rl_redisplay_function;
+
+extern rl_vintfunc_t *rl_prep_term_function;
+extern rl_voidfunc_t *rl_deprep_term_function;
+
+/* Dispatch variables. */
+extern Keymap rl_executing_keymap;
+extern Keymap rl_binding_keymap;
+
+/* 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;
+
+/* 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;
+
+/* 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;
+
+/* The text of a currently-executing keyboard macro. */
+extern char *rl_executing_macro;
+
+/* 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 rl_compentry_func_t *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 rl_compignore_func_t *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 rl_completion_func_t *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 const 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 const 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 const char *rl_completer_quote_characters;
+
+/* List of quote characters which cause a word break. */
+extern const char *rl_basic_quote_characters;
+
+/* List of characters that need to be quoted in filenames by the completer. */
+extern const 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 const 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.  It
+   changes what is displayed when the possible completions are printed
+   or inserted. */
+extern rl_icppfunc_t *rl_directory_completion_hook;
+
+/* If non-zero, this is the address of a function to call when completing
+   a directory name.  This function takes the address of the directory name
+   to be modified as an argument.  Unlike rl_directory_completion_hook, it
+   only modifies the directory name used in opendir(2), not what is displayed
+   when the possible completions are printed or inserted.  It is called
+   before rl_directory_completion_hook.  I'm not happy with how this works
+   yet, so it's undocumented. */
+extern rl_icppfunc_t *rl_directory_rewrite_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 rl_compdisp_func_t *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 rl_quote_func_t *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 rl_dequote_func_t *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 rl_linebuf_func_t *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
+
+/* Possible state values for rl_readline_state */
+#define RL_STATE_NONE		0x00000		/* no state; before first call */
+
+#define RL_STATE_INITIALIZING	0x00001		/* initializing */
+#define RL_STATE_INITIALIZED	0x00002		/* initialization done */
+#define RL_STATE_TERMPREPPED	0x00004		/* terminal is prepped */
+#define RL_STATE_READCMD	0x00008		/* reading a command key */
+#define RL_STATE_METANEXT	0x00010		/* reading input after ESC */
+#define RL_STATE_DISPATCHING	0x00020		/* dispatching to a command */
+#define RL_STATE_MOREINPUT	0x00040		/* reading more input in a command function */
+#define RL_STATE_ISEARCH	0x00080		/* doing incremental search */
+#define RL_STATE_NSEARCH	0x00100		/* doing non-inc search */
+#define RL_STATE_SEARCH		0x00200		/* doing a history search */
+#define RL_STATE_NUMERICARG	0x00400		/* reading numeric argument */
+#define RL_STATE_MACROINPUT	0x00800		/* getting input from a macro */
+#define RL_STATE_MACRODEF	0x01000		/* defining keyboard macro */
+#define RL_STATE_OVERWRITE	0x02000		/* overwrite mode */
+#define RL_STATE_COMPLETING	0x04000		/* doing completion */
+#define RL_STATE_SIGHANDLER	0x08000		/* in readline sighandler */
+#define RL_STATE_UNDOING	0x10000		/* doing an undo */
+#define RL_STATE_INPUTPENDING	0x20000		/* rl_execute_next called */
+
+#define RL_STATE_DONE		0x80000		/* done; accepted line */
+
+#define RL_SETSTATE(x)		(rl_readline_state |= (x))
+#define RL_UNSETSTATE(x)	(rl_readline_state &= ~(x))
+#define RL_ISSTATE(x)		(rl_readline_state & (x))
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _READLINE_H_ */