--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/editline/readline.h	Tue Mar 18 17:55:14 2025 -0400
@@ -0,0 +1,277 @@
+/*	$NetBSD: readline.h,v 1.55 2023/04/25 17:51:32 christos Exp $	*/
+
+/*-
+ * Copyright (c) 1997 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jaromir Dolecek.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef _READLINE_H_
+#define _READLINE_H_
+
+#include <sys/types.h>
+#include <stdio.h>
+
+/* list of readline stuff supported by editline library's readline wrapper */
+
+/* typedefs */
+typedef int	  rl_linebuf_func_t(const char *, int);
+typedef void	  rl_voidfunc_t(void);
+typedef void	  rl_vintfunc_t(int);
+typedef void	  rl_vcpfunc_t(char *);
+typedef char	**rl_completion_func_t(const char *, int, int);
+typedef char     *rl_compentry_func_t(const char *, int);
+typedef void	  rl_compdisp_func_t(char **, int, int);
+typedef int	  rl_command_func_t(int, int);
+typedef int	  rl_hook_func_t(void);
+typedef int       rl_icppfunc_t(char **);
+
+/* only supports length */
+typedef struct {
+	int length;
+} HISTORY_STATE;
+
+typedef void *histdata_t;
+
+typedef struct _hist_entry {
+	const char	*line;
+	histdata_t	 data;
+} HIST_ENTRY;
+
+typedef struct _keymap_entry {
+	char type;
+#define ISFUNC	0
+#define ISKMAP	1
+#define ISMACR	2
+	rl_linebuf_func_t *function;
+} KEYMAP_ENTRY;
+
+#define KEYMAP_SIZE	256
+
+typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[KEYMAP_SIZE];
+typedef KEYMAP_ENTRY *Keymap;
+
+#define control_character_threshold	0x20
+#define control_character_bit		0x40
+
+#ifndef CTRL
+#include <sys/ioctl.h>
+#if !defined(__sun) && !defined(__hpux) && !defined(_AIX)
+#include <sys/ttydefaults.h>
+#endif
+#ifndef CTRL
+#define CTRL(c)		((c) & 037)
+#endif
+#endif
+#ifndef UNCTRL
+#define UNCTRL(c)	(((c) - 'a' + 'A')|control_character_bit)
+#endif
+
+#define RUBOUT		0x7f
+#define ABORT_CHAR	CTRL('G')
+#define RL_READLINE_VERSION	0x0402
+#define RL_PROMPT_START_IGNORE	'\1'
+#define RL_PROMPT_END_IGNORE	'\2'
+
+#define RL_STATE_NONE		0x000000
+#define RL_STATE_DONE		0x000001
+
+#define RL_SETSTATE(x)		(rl_readline_state |= ((unsigned long) x))
+#define RL_UNSETSTATE(x)	(rl_readline_state &= ~((unsigned long) x))
+#define RL_ISSTATE(x)		(rl_readline_state & ((unsigned long) x))
+
+/* global variables used by readline enabled applications */
+#ifdef __cplusplus
+extern "C" {
+#endif
+extern const char	*rl_library_version;
+extern int		rl_readline_version;
+extern const char	*rl_readline_name;
+extern FILE		*rl_instream;
+extern FILE		*rl_outstream;
+extern char		*rl_line_buffer;
+extern int		rl_point, rl_end;
+extern const char	*rl_basic_quote_characters;
+extern const char	*rl_basic_word_break_characters;
+extern char		*rl_completer_word_break_characters;
+extern const char	*rl_completer_quote_characters;
+extern rl_compentry_func_t *rl_completion_entry_function;
+extern char		*(*rl_completion_word_break_hook)(void);
+extern rl_completion_func_t *rl_attempted_completion_function;
+extern int		 rl_attempted_completion_over;
+extern int		rl_completion_type;
+extern int		rl_completion_query_items;
+extern const char	*rl_special_prefixes;
+extern int		rl_completion_append_character;
+extern int		rl_inhibit_completion;
+extern rl_hook_func_t	*rl_pre_input_hook;
+extern rl_hook_func_t	*rl_startup_hook;
+extern char		*rl_terminal_name;
+extern int		rl_already_prompted;
+extern char		*rl_prompt;
+extern int		rl_done;
+extern rl_vcpfunc_t	*rl_linefunc;
+extern rl_hook_func_t   *rl_startup1_hook;
+extern char             *rl_prompt_saved;
+extern int		history_base, history_length;
+extern int		history_offset;
+extern char		history_expansion_char;
+extern char		history_subst_char;
+extern char		*history_no_expand_chars;
+extern rl_linebuf_func_t *history_inhibit_expansion_function;
+extern int		max_input_history;
+
+/*
+ * The following is not implemented
+ */
+extern unsigned long	rl_readline_state;
+extern int		rl_catch_signals;
+extern int		rl_catch_sigwinch;
+extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap,
+			emacs_meta_keymap,
+			emacs_ctlx_keymap;
+extern int		rl_filename_completion_desired;
+extern int		rl_ignore_completion_duplicates;
+extern int		(*rl_getc_function)(FILE *);
+extern rl_voidfunc_t	*rl_redisplay_function;
+extern rl_compdisp_func_t *rl_completion_display_matches_hook;
+extern rl_vintfunc_t	*rl_prep_term_function;
+extern rl_voidfunc_t	*rl_deprep_term_function;
+extern rl_hook_func_t	*rl_event_hook;
+extern int		readline_echoing_p;
+extern int		_rl_print_completions_horizontally;
+extern int		_rl_complete_mark_directories;
+extern rl_icppfunc_t	*rl_directory_completion_hook;
+extern int		rl_completion_suppress_append;
+extern int		rl_sort_completion_matches;
+extern int		_rl_completion_prefix_display_length;
+extern int		_rl_echoing_p;
+extern int		history_max_entries;
+extern char		*rl_display_prompt;
+extern int		rl_erase_empty_line;
+
+/* supported functions */
+char		*readline(const char *);
+int		 rl_initialize(void);
+
+void		 using_history(void);
+int		 add_history(const char *);
+void		 clear_history(void);
+int		 append_history(int, const char *);
+void		 stifle_history(int);
+int		 unstifle_history(void);
+int		 history_is_stifled(void);
+int		 where_history(void);
+HIST_ENTRY	*current_history(void);
+HIST_ENTRY	*history_get(int);
+HIST_ENTRY	*remove_history(int);
+HIST_ENTRY	*replace_history_entry(int, const char *, histdata_t);
+int		 history_total_bytes(void);
+int		 history_set_pos(int);
+HIST_ENTRY	*previous_history(void);
+HIST_ENTRY	*next_history(void);
+HIST_ENTRY     **history_list(void);
+int		 history_search(const char *, int);
+int		 history_search_prefix(const char *, int);
+int		 history_search_pos(const char *, int, int);
+int		 read_history(const char *);
+int		 write_history(const char *);
+int		 history_truncate_file(const char *, int);
+int		 history_expand(char *, char **);
+char	       **history_tokenize(const char *);
+const char	*get_history_event(const char *, int *, int);
+char		*history_arg_extract(int, int, const char *);
+
+char		*tilde_expand(char *);
+char		*filename_completion_function(const char *, int);
+char		*username_completion_function(const char *, int);
+int		 rl_complete(int, int);
+int		 rl_read_key(void);
+char	       **completion_matches(/* const */ char *, rl_compentry_func_t *);
+void		 rl_display_match_list(char **, int, int);
+
+int		 rl_insert(int, int);
+int		 rl_insert_text(const char *);
+int		 rl_reset_terminal(const char *);
+void		 rl_resize_terminal(void);
+int		 rl_bind_key(int, rl_command_func_t *);
+int		 rl_newline(int, int);
+void		 rl_callback_read_char(void);
+void		 rl_callback_handler_install(const char *, rl_vcpfunc_t *);
+void		 rl_callback_handler_remove(void);
+void		 rl_redisplay(void);
+int		 rl_get_previous_history(int, int);
+void		 rl_prep_terminal(int);
+void		 rl_deprep_terminal(void);
+int		 rl_read_init_file(const char *);
+int		 rl_parse_and_bind(const char *);
+int		 rl_variable_bind(const char *, const char *);
+int		 rl_stuff_char(int);
+int		 rl_add_defun(const char *, rl_command_func_t *, int);
+HISTORY_STATE	*history_get_history_state(void);
+void		 rl_get_screen_size(int *, int *);
+void		 rl_set_screen_size(int, int);
+char		*rl_filename_completion_function(const char *, int);
+int		 _rl_abort_internal(void);
+int		 _rl_qsort_string_compare(char **, char **);
+char	       **rl_completion_matches(const char *, rl_compentry_func_t *);
+void		 rl_forced_update_display(void);
+int		 rl_set_prompt(const char *);
+int		 rl_on_new_line(void);
+void		 rl_reset_after_signal(void);
+void		 rl_echo_signal_char(int);
+int		 rl_crlf(void);
+int		 rl_ding(void);
+char 		*rl_copy_text(int, int);
+void		 rl_replace_line(const char *, int);
+int		 rl_delete_text(int, int);
+void 		 rl_message(const char *format, ...)
+    __attribute__((__format__(__printf__, 1, 2)));
+void		 rl_save_prompt(void);
+void		 rl_restore_prompt(void);
+
+/*
+ * The following are not implemented
+ */
+int		 rl_kill_text(int, int);
+Keymap		 rl_get_keymap(void);
+void		 rl_set_keymap(Keymap);
+Keymap		 rl_make_bare_keymap(void);
+int		 rl_generic_bind(int, const char *, const char *, Keymap);
+int		 rl_bind_key_in_map(int, rl_command_func_t *, Keymap);
+int		 rl_set_key(const char *, rl_command_func_t *, Keymap);
+void		 rl_cleanup_after_signal(void);
+void		 rl_free_line_state(void);
+int		 rl_set_keyboard_input_timeout(int);
+int		 rl_abort(int, int);
+int	         rl_set_keymap_name(const char *, Keymap);
+histdata_t	 free_history_entry(HIST_ENTRY *);
+void		 _rl_erase_entire_line(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _READLINE_H_ */