Remove vendored libedit

3 files changed, 0 insertions, 2611 deletions

diff --git a/bin/1sh/libedit/readline.c b/bin/1sh/libedit/readline.c
deleted file mode 100644
index bd5602de..00000000
--- a/bin/1sh/libedit/readline.c
+++ /dev/null
@@ -1,2371 +0,0 @@
-/*	$NetBSD: readline.c,v 1.141 2017/04/21 05:38:03 abhinav 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.
- */
-
-#include "config.h"
-#if !defined(lint) && !defined(SCCSID)
-__RCSID("$NetBSD: readline.c,v 1.141 2017/04/21 05:38:03 abhinav Exp $");
-#endif /* not lint && not SCCSID */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <ctype.h>
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <pwd.h>
-#include <setjmp.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <vis.h>
-
-#include "readline/readline.h"
-#include "el.h"
-#include "fcns.h"
-#include "filecomplete.h"
-
-void rl_prep_terminal(int);
-void rl_deprep_terminal(void);
-
-/* for rl_complete() */
-#define TAB		'\r'
-
-/* see comment at the #ifdef for sense of this */
-/* #define GDB_411_HACK */
-
-/* readline compatibility stuff - look at readline sources/documentation */
-/* to see what these variables mean */
-const char *rl_library_version = "EditLine wrapper";
-int rl_readline_version = RL_READLINE_VERSION;
-static char empty[] = { '\0' };
-static char expand_chars[] = { ' ', '\t', '\n', '=', '(', '\0' };
-static char break_chars[] = { ' ', '\t', '\n', '"', '\\', '\'', '`', '@', '$',
-    '>', '<', '=', ';', '|', '&', '{', '(', '\0' };
-char *rl_readline_name = empty;
-FILE *rl_instream = NULL;
-FILE *rl_outstream = NULL;
-int rl_point = 0;
-int rl_end = 0;
-char *rl_line_buffer = NULL;
-rl_vcpfunc_t *rl_linefunc = NULL;
-int rl_done = 0;
-VFunction *rl_event_hook = NULL;
-KEYMAP_ENTRY_ARRAY emacs_standard_keymap,
-    emacs_meta_keymap,
-    emacs_ctlx_keymap;
-/*
- * The following is not implemented; we always catch signals in the
- * libedit fashion: set handlers on entry to el_gets() and clear them
- * on the way out. This simplistic approach works for most cases; if
- * it does not work for your application, please let us know.
- */
-int rl_catch_signals = 1;
-int rl_catch_sigwinch = 1;
-
-int history_base = 1;		/* probably never subject to change */
-int history_length = 0;
-int history_offset = 0;
-int max_input_history = 0;
-char history_expansion_char = '!';
-char history_subst_char = '^';
-char *history_no_expand_chars = expand_chars;
-Function *history_inhibit_expansion_function = NULL;
-char *history_arg_extract(int start, int end, const char *str);
-
-int rl_inhibit_completion = 0;
-int rl_attempted_completion_over = 0;
-char *rl_basic_word_break_characters = break_chars;
-char *rl_completer_word_break_characters = NULL;
-char *rl_completer_quote_characters = NULL;
-rl_compentry_func_t *rl_completion_entry_function = NULL;
-char *(*rl_completion_word_break_hook)(void) = NULL;
-rl_completion_func_t *rl_attempted_completion_function = NULL;
-Function *rl_pre_input_hook = NULL;
-Function *rl_startup1_hook = NULL;
-int (*rl_getc_function)(FILE *) = NULL;
-char *rl_terminal_name = NULL;
-int rl_already_prompted = 0;
-int rl_filename_completion_desired = 0;
-int rl_ignore_completion_duplicates = 0;
-int readline_echoing_p = 1;
-int _rl_print_completions_horizontally = 0;
-VFunction *rl_redisplay_function = NULL;
-Function *rl_startup_hook = NULL;
-VFunction *rl_completion_display_matches_hook = NULL;
-VFunction *rl_prep_term_function = (VFunction *)rl_prep_terminal;
-VFunction *rl_deprep_term_function = (VFunction *)rl_deprep_terminal;
-KEYMAP_ENTRY_ARRAY emacs_meta_keymap;
-
-/*
- * The current prompt string.
- */
-char *rl_prompt = NULL;
-/*
- * This is set to character indicating type of completion being done by
- * rl_complete_internal(); this is available for application completion
- * functions.
- */
-int rl_completion_type = 0;
-
-/*
- * If more than this number of items results from query for possible
- * completions, we ask user if they are sure to really display the list.
- */
-int rl_completion_query_items = 100;
-
-/*
- * List of characters which are word break characters, but should be left
- * in the parsed text when it is passed to the completion function.
- * Shell uses this to help determine what kind of completing to do.
- */
-char *rl_special_prefixes = NULL;
-
-/*
- * This is the character appended to the completed words if at the end of
- * the line. Default is ' ' (a space).
- */
-int rl_completion_append_character = ' ';
-
-/* stuff below is used internally by libedit for readline emulation */
-
-static History *h = NULL;
-static EditLine *e = NULL;
-static rl_command_func_t *map[256];
-static jmp_buf topbuf;
-
-/* internal functions */
-static unsigned char	 _el_rl_complete(EditLine *, int);
-static unsigned char	 _el_rl_tstp(EditLine *, int);
-static char		*_get_prompt(EditLine *);
-static int		 _getc_function(EditLine *, wchar_t *);
-static int		 _history_expand_command(const char *, size_t, size_t,
-    char **);
-static char		*_rl_compat_sub(const char *, const char *,
-    const char *, int);
-static int		 _rl_event_read_char(EditLine *, wchar_t *);
-static void		 _rl_update_pos(void);
-
-static HIST_ENTRY rl_he;
-
-/* ARGSUSED */
-static char *
-_get_prompt(EditLine *el __attribute__((__unused__)))
-{
-	rl_already_prompted = 1;
-	return rl_prompt;
-}
-
-
-/*
- * read one key from user defined input function
- */
-static int
-/*ARGSUSED*/
-_getc_function(EditLine *el __attribute__((__unused__)), wchar_t *c)
-{
-	int i;
-
-	i = (*rl_getc_function)(rl_instream);
-	if (i == -1)
-		return 0;
-	*c = (wchar_t)i;
-	return 1;
-}
-
-static void
-_resize_fun(EditLine *el, void *a)
-{
-	const LineInfo *li;
-	char **ap = a;
-
-	li = el_line(el);
-	/* a cheesy way to get rid of const cast. */
-	*ap = memchr(li->buffer, *li->buffer, (size_t)1);
-}
-
-static const char *
-_default_history_file(void)
-{
-	struct passwd *p;
-	static char *path;
-	size_t len;
-
-	if (path)
-		return path;
-
-	if ((p = getpwuid(getuid())) == NULL)
-		return NULL;
-
-	len = strlen(p->pw_dir) + sizeof("/.history");
-	if ((path = malloc(len)) == NULL)
-		return NULL;
-
-	(void)snprintf(path, len, "%s/.history", p->pw_dir);
-	return path;
-}
-
-/*
- * READLINE compatibility stuff
- */
-
-/*
- * Set the prompt
- */
-int
-rl_set_prompt(const char *prompt)
-{
-	char *p;
-
-	if (!prompt)
-		prompt = "";
-	if (rl_prompt != NULL && strcmp(rl_prompt, prompt) == 0)
-		return 0;
-	if (rl_prompt)
-		el_free(rl_prompt);
-	rl_prompt = strdup(prompt);
-	if (rl_prompt == NULL)
-		return -1;
-
-	while ((p = strchr(rl_prompt, RL_PROMPT_END_IGNORE)) != NULL)
-		*p = RL_PROMPT_START_IGNORE;
-
-	return 0;
-}
-
-/*
- * initialize rl compat stuff
- */
-int
-rl_initialize(void)
-{
-	HistEvent ev;
-	int editmode = 1;
-	struct termios t;
-
-	if (e != NULL)
-		el_end(e);
-	if (h != NULL)
-		history_end(h);
-
-	if (!rl_instream)
-		rl_instream = stdin;
-	if (!rl_outstream)
-		rl_outstream = stdout;
-
-	/*
-	 * See if we don't really want to run the editor
-	 */
-	if (tcgetattr(fileno(rl_instream), &t) != -1 && (t.c_lflag & ECHO) == 0)
-		editmode = 0;
-
-	e = el_init(rl_readline_name, rl_instream, rl_outstream, stderr);
-
-	if (!editmode)
-		el_set(e, EL_EDITMODE, 0);
-
-	h = history_init();
-	if (!e || !h)
-		return -1;
-
-	history(h, &ev, H_SETSIZE, INT_MAX);	/* unlimited */
-	history_length = 0;
-	max_input_history = INT_MAX;
-	el_set(e, EL_HIST, history, h);
-
-	/* Setup resize function */
-	el_set(e, EL_RESIZE, _resize_fun, &rl_line_buffer);
-
-	/* setup getc function if valid */
-	if (rl_getc_function)
-		el_set(e, EL_GETCFN, _getc_function);
-
-	/* for proper prompt printing in readline() */
-	if (rl_set_prompt("") == -1) {
-		history_end(h);
-		el_end(e);
-		return -1;
-	}
-	el_set(e, EL_PROMPT, _get_prompt, RL_PROMPT_START_IGNORE);
-	el_set(e, EL_SIGNAL, rl_catch_signals);
-
-	/* set default mode to "emacs"-style and read setting afterwards */
-	/* so this can be overridden */
-	el_set(e, EL_EDITOR, "emacs");
-	if (rl_terminal_name != NULL)
-		el_set(e, EL_TERMINAL, rl_terminal_name);
-	else
-		el_get(e, EL_TERMINAL, &rl_terminal_name);
-
-	/*
-	 * Word completion - this has to go AFTER rebinding keys
-	 * to emacs-style.
-	 */
-	el_set(e, EL_ADDFN, "rl_complete",
-	    "ReadLine compatible completion function",
-	    _el_rl_complete);
-	el_set(e, EL_BIND, "^I", "rl_complete", NULL);
-
-	/*
-	 * Send TSTP when ^Z is pressed.
-	 */
-	el_set(e, EL_ADDFN, "rl_tstp",
-	    "ReadLine compatible suspend function",
-	    _el_rl_tstp);
-	el_set(e, EL_BIND, "^Z", "rl_tstp", NULL);
-
-	/*
-	 * Set some readline compatible key-bindings.
-	 */
-	el_set(e, EL_BIND, "^R", "em-inc-search-prev", NULL);
-
-	/*
-	 * Allow the use of Home/End keys.
-	 */
-	el_set(e, EL_BIND, "\\e[1~", "ed-move-to-beg", NULL);
-	el_set(e, EL_BIND, "\\e[4~", "ed-move-to-end", NULL);
-	el_set(e, EL_BIND, "\\e[7~", "ed-move-to-beg", NULL);
-	el_set(e, EL_BIND, "\\e[8~", "ed-move-to-end", NULL);
-	el_set(e, EL_BIND, "\\e[H", "ed-move-to-beg", NULL);
-	el_set(e, EL_BIND, "\\e[F", "ed-move-to-end", NULL);
-
-	/*
-	 * Allow the use of the Delete/Insert keys.
-	 */
-	el_set(e, EL_BIND, "\\e[3~", "ed-delete-next-char", NULL);
-	el_set(e, EL_BIND, "\\e[2~", "ed-quoted-insert", NULL);
-
-	/*
-	 * Ctrl-left-arrow and Ctrl-right-arrow for word moving.
-	 */
-	el_set(e, EL_BIND, "\\e[1;5C", "em-next-word", NULL);
-	el_set(e, EL_BIND, "\\e[1;5D", "ed-prev-word", NULL);
-	el_set(e, EL_BIND, "\\e[5C", "em-next-word", NULL);
-	el_set(e, EL_BIND, "\\e[5D", "ed-prev-word", NULL);
-	el_set(e, EL_BIND, "\\e\\e[C", "em-next-word", NULL);
-	el_set(e, EL_BIND, "\\e\\e[D", "ed-prev-word", NULL);
-
-	/* read settings from configuration file */
-	el_source(e, NULL);
-
-	/*
-	 * Unfortunately, some applications really do use rl_point
-	 * and rl_line_buffer directly.
-	 */
-	_resize_fun(e, &rl_line_buffer);
-	_rl_update_pos();
-
-	if (rl_startup_hook)
-		(*rl_startup_hook)(NULL, 0);
-
-	return 0;
-}
-
-
-/*
- * read one line from input stream and return it, chomping
- * trailing newline (if there is any)
- */
-char *
-readline(const char *p)
-{
-	HistEvent ev;
-	const char * volatile prompt = p;
-	int count;
-	const char *ret;
-	char *buf;
-	static int used_event_hook;
-
-	if (e == NULL || h == NULL)
-		rl_initialize();
-
-	rl_done = 0;
-
-	(void)setjmp(topbuf);
-
-	/* update prompt accordingly to what has been passed */
-	if (rl_set_prompt(prompt) == -1)
-		return NULL;
-
-	if (rl_pre_input_hook)
-		(*rl_pre_input_hook)(NULL, 0);
-
-	if (rl_event_hook && !(e->el_flags&NO_TTY)) {
-		el_set(e, EL_GETCFN, _rl_event_read_char);
-		used_event_hook = 1;
-	}
-
-	if (!rl_event_hook && used_event_hook) {
-		el_set(e, EL_GETCFN, EL_BUILTIN_GETCFN);
-		used_event_hook = 0;
-	}
-
-	rl_already_prompted = 0;
-
-	/* get one line from input stream */
-	ret = el_gets(e, &count);
-
-	if (ret && count > 0) {
-		int lastidx;
-
-		buf = strdup(ret);
-		if (buf == NULL)
-			return NULL;
-		lastidx = count - 1;
-		if (buf[lastidx] == '\n')
-			buf[lastidx] = '\0';
-	} else
-		buf = NULL;
-
-	history(h, &ev, H_GETSIZE);
-	history_length = ev.num;
-
-	return buf;
-}
-
-/*
- * history functions
- */
-
-/*
- * is normally called before application starts to use
- * history expansion functions
- */
-void
-using_history(void)
-{
-	if (h == NULL || e == NULL)
-		rl_initialize();
-	history_offset = history_length;
-}
-
-
-/*
- * substitute ``what'' with ``with'', returning resulting string; if
- * globally == 1, substitutes all occurrences of what, otherwise only the
- * first one
- */
-static char *
-_rl_compat_sub(const char *str, const char *what, const char *with,
-    int globally)
-{
-	const	char	*s;
-	char	*r, *result;
-	size_t	len, with_len, what_len;
-
-	len = strlen(str);
-	with_len = strlen(with);
-	what_len = strlen(what);
-
-	/* calculate length we need for result */
-	s = str;
-	while (*s) {
-		if (*s == *what && !strncmp(s, what, what_len)) {
-			len += with_len - what_len;
-			if (!globally)
-				break;
-			s += what_len;
-		} else
-			s++;
-	}
-	r = result = el_malloc((len + 1) * sizeof(*r));
-	if (result == NULL)
-		return NULL;
-	s = str;
-	while (*s) {
-		if (*s == *what && !strncmp(s, what, what_len)) {
-			(void)strncpy(r, with, with_len);
-			r += with_len;
-			s += what_len;
-			if (!globally) {
-				(void)strcpy(r, s);
-				return result;
-			}
-		} else
-			*r++ = *s++;
-	}
-	*r = '\0';
-	return result;
-}
-
-static	char	*last_search_pat;	/* last !?pat[?] search pattern */
-static	char	*last_search_match;	/* last !?pat[?] that matched */
-
-const char *
-get_history_event(const char *cmd, int *cindex, int qchar)
-{
-	int idx, sign, sub, num, begin, ret;
-	size_t len;
-	char	*pat;
-	const char *rptr;
-	HistEvent ev;
-
-	idx = *cindex;
-	if (cmd[idx++] != history_expansion_char)
-		return NULL;
-
-	/* find out which event to take */
-	if (cmd[idx] == history_expansion_char || cmd[idx] == '\0') {
-		if (history(h, &ev, H_FIRST) != 0)
-			return NULL;
-		*cindex = cmd[idx]? (idx + 1):idx;
-		return ev.str;
-	}
-	sign = 0;
-	if (cmd[idx] == '-') {
-		sign = 1;
-		idx++;
-	}
-
-	if ('0' <= cmd[idx] && cmd[idx] <= '9') {
-		HIST_ENTRY *he;
-
-		num = 0;
-		while (cmd[idx] && '0' <= cmd[idx] && cmd[idx] <= '9') {
-			num = num * 10 + cmd[idx] - '0';
-			idx++;
-		}
-		if (sign)
-			num = history_length - num + history_base;
-
-		if (!(he = history_get(num)))
-			return NULL;
-
-		*cindex = idx;
-		return he->line;
-	}
-	sub = 0;
-	if (cmd[idx] == '?') {
-		sub = 1;
-		idx++;
-	}
-	begin = idx;
-	while (cmd[idx]) {
-		if (cmd[idx] == '\n')
-			break;
-		if (sub && cmd[idx] == '?')
-			break;
-		if (!sub && (cmd[idx] == ':' || cmd[idx] == ' '
-				    || cmd[idx] == '\t' || cmd[idx] == qchar))
-			break;
-		idx++;
-	}
-	len = (size_t)idx - (size_t)begin;
-	if (sub && cmd[idx] == '?')
-		idx++;
-	if (sub && len == 0 && last_search_pat && *last_search_pat)
-		pat = last_search_pat;
-	else if (len == 0)
-		return NULL;
-	else {
-		if ((pat = el_malloc((len + 1) * sizeof(*pat))) == NULL)
-			return NULL;
-		(void)strncpy(pat, cmd + begin, len);
-		pat[len] = '\0';
-	}
-
-	if (history(h, &ev, H_CURR) != 0) {
-		if (pat != last_search_pat)
-			el_free(pat);
-		return NULL;
-	}
-	num = ev.num;
-
-	if (sub) {
-		if (pat != last_search_pat) {
-			if (last_search_pat)
-				el_free(last_search_pat);
-			last_search_pat = pat;
-		}
-		ret = history_search(pat, -1);
-	} else
-		ret = history_search_prefix(pat, -1);
-
-	if (ret == -1) {
-		/* restore to end of list on failed search */
-		history(h, &ev, H_FIRST);
-		(void)fprintf(rl_outstream, "%s: Event not found\n", pat);
-		if (pat != last_search_pat)
-			el_free(pat);
-		return NULL;
-	}
-
-	if (sub && len) {
-		if (last_search_match && last_search_match != pat)
-			el_free(last_search_match);
-		last_search_match = pat;
-	}
-
-	if (pat != last_search_pat)
-		el_free(pat);
-
-	if (history(h, &ev, H_CURR) != 0)
-		return NULL;
-	*cindex = idx;
-	rptr = ev.str;
-
-	/* roll back to original position */
-	(void)history(h, &ev, H_SET, num);
-
-	return rptr;
-}
-
-/*
- * the real function doing history expansion - takes as argument command
- * to do and data upon which the command should be executed
- * does expansion the way I've understood readline documentation
- *
- * returns 0 if data was not modified, 1 if it was and 2 if the string
- * should be only printed and not executed; in case of error,
- * returns -1 and *result points to NULL
- * it's the caller's responsibility to free() the string returned in *result
- */
-static int
-_history_expand_command(const char *command, size_t offs, size_t cmdlen,
-    char **result)
-{
-	char *tmp, *search = NULL, *aptr;
-	const char *ptr, *cmd;
-	static char *from = NULL, *to = NULL;
-	int start, end, idx, has_mods = 0;
-	int p_on = 0, g_on = 0;
-
-	*result = NULL;
-	aptr = NULL;
-	ptr = NULL;
-
-	/* First get event specifier */
-	idx = 0;
-
-	if (strchr(":^*$", command[offs + 1])) {
-		char str[4];
-		/*
-		* "!:" is shorthand for "!!:".
-		* "!^", "!*" and "!$" are shorthand for
-		* "!!:^", "!!:*" and "!!:$" respectively.
-		*/
-		str[0] = str[1] = '!';
-		str[2] = '0';
-		ptr = get_history_event(str, &idx, 0);
-		idx = (command[offs + 1] == ':')? 1:0;
-		has_mods = 1;
-	} else {
-		if (command[offs + 1] == '#') {
-			/* use command so far */
-			if ((aptr = el_malloc((offs + 1) * sizeof(*aptr)))
-			    == NULL)
-				return -1;
-			(void)strncpy(aptr, command, offs);
-			aptr[offs] = '\0';
-			idx = 1;
-		} else {
-			int	qchar;
-
-			qchar = (offs > 0 && command[offs - 1] == '"')? '"':0;
-			ptr = get_history_event(command + offs, &idx, qchar);
-		}
-		has_mods = command[offs + (size_t)idx] == ':';
-	}
-
-	if (ptr == NULL && aptr == NULL)
-		return -1;
-
-	if (!has_mods) {
-		*result = strdup(aptr ? aptr : ptr);
-		if (aptr)
-			el_free(aptr);
-		if (*result == NULL)
-			return -1;
-		return 1;
-	}
-
-	cmd = command + offs + idx + 1;
-
-	/* Now parse any word designators */
-
-	if (*cmd == '%')	/* last word matched by ?pat? */
-		tmp = strdup(last_search_match? last_search_match:"");
-	else if (strchr("^*$-0123456789", *cmd)) {
-		start = end = -1;
-		if (*cmd == '^')
-			start = end = 1, cmd++;
-		else if (*cmd == '$')
-			start = -1, cmd++;
-		else if (*cmd == '*')
-			start = 1, cmd++;
-	       else if (*cmd == '-' || isdigit((unsigned char) *cmd)) {
-			start = 0;
-			while (*cmd && '0' <= *cmd && *cmd <= '9')
-				start = start * 10 + *cmd++ - '0';
-
-			if (*cmd == '-') {
-				if (isdigit((unsigned char) cmd[1])) {
-					cmd++;
-					end = 0;
-					while (*cmd && '0' <= *cmd && *cmd <= '9')
-						end = end * 10 + *cmd++ - '0';
-				} else if (cmd[1] == '$') {
-					cmd += 2;
-					end = -1;
-				} else {
-					cmd++;
-					end = -2;
-				}
-			} else if (*cmd == '*')
-				end = -1, cmd++;
-			else
-				end = start;
-		}
-		tmp = history_arg_extract(start, end, aptr? aptr:ptr);
-		if (tmp == NULL) {
-			(void)fprintf(rl_outstream, "%s: Bad word specifier",
-			    command + offs + idx);
-			if (aptr)
-				el_free(aptr);
-			return -1;
-		}
-	} else
-		tmp = strdup(aptr? aptr:ptr);
-
-	if (aptr)
-		el_free(aptr);
-
-	if (*cmd == '\0' || ((size_t)(cmd - (command + offs)) >= cmdlen)) {
-		*result = tmp;
-		return 1;
-	}
-
-	for (; *cmd; cmd++) {
-		if (*cmd == ':')
-			continue;
-		else if (*cmd == 'h') {		/* remove trailing path */
-			if ((aptr = strrchr(tmp, '/')) != NULL)
-				*aptr = '\0';
-		} else if (*cmd == 't') {	/* remove leading path */
-			if ((aptr = strrchr(tmp, '/')) != NULL) {
-				aptr = strdup(aptr + 1);
-				el_free(tmp);
-				tmp = aptr;
-			}
-		} else if (*cmd == 'r') {	/* remove trailing suffix */
-			if ((aptr = strrchr(tmp, '.')) != NULL)
-				*aptr = '\0';
-		} else if (*cmd == 'e') {	/* remove all but suffix */
-			if ((aptr = strrchr(tmp, '.')) != NULL) {
-				aptr = strdup(aptr);
-				el_free(tmp);
-				tmp = aptr;
-			}
-		} else if (*cmd == 'p')		/* print only */
-			p_on = 1;
-		else if (*cmd == 'g')
-			g_on = 2;
-		else if (*cmd == 's' || *cmd == '&') {
-			char *what, *with, delim;
-			size_t len, from_len;
-			size_t size;
-
-			if (*cmd == '&' && (from == NULL || to == NULL))
-				continue;
-			else if (*cmd == 's') {
-				delim = *(++cmd), cmd++;
-				size = 16;
-				what = el_realloc(from, size * sizeof(*what));
-				if (what == NULL) {
-					el_free(from);
-					el_free(tmp);
-					return 0;
-				}
-				len = 0;
-				for (; *cmd && *cmd != delim; cmd++) {
-					if (*cmd == '\\' && cmd[1] == delim)
-						cmd++;
-					if (len >= size) {
-						char *nwhat;
-						nwhat = el_realloc(what,
-						    (size <<= 1) *
-						    sizeof(*nwhat));
-						if (nwhat == NULL) {
-							el_free(what);
-							el_free(tmp);
-							return 0;
-						}
-						what = nwhat;
-					}
-					what[len++] = *cmd;
-				}
-				what[len] = '\0';
-				from = what;
-				if (*what == '\0') {
-					el_free(what);
-					if (search) {
-						from = strdup(search);
-						if (from == NULL) {
-							el_free(tmp);
-							return 0;
-						}
-					} else {
-						from = NULL;
-						el_free(tmp);
-						return -1;
-					}
-				}
-				cmd++;	/* shift after delim */
-				if (!*cmd)
-					continue;
-
-				size = 16;
-				with = el_realloc(to, size * sizeof(*with));
-				if (with == NULL) {
-					el_free(to);
-					el_free(tmp);
-					return -1;
-				}
-				len = 0;
-				from_len = strlen(from);
-				for (; *cmd && *cmd != delim; cmd++) {
-					if (len + from_len + 1 >= size) {
-						char *nwith;
-						size += from_len + 1;
-						nwith = el_realloc(with,
-						    size * sizeof(*nwith));
-						if (nwith == NULL) {
-							el_free(with);
-							el_free(tmp);
-							return -1;
-						}
-						with = nwith;
-					}
-					if (*cmd == '&') {
-						/* safe */
-						(void)strcpy(&with[len], from);
-						len += from_len;
-						continue;
-					}
-					if (*cmd == '\\'
-					    && (*(cmd + 1) == delim
-						|| *(cmd + 1) == '&'))
-						cmd++;
-					with[len++] = *cmd;
-				}
-				with[len] = '\0';
-				to = with;
-			}
-
-			aptr = _rl_compat_sub(tmp, from, to, g_on);
-			if (aptr) {
-				el_free(tmp);
-				tmp = aptr;
-			}
-			g_on = 0;
-		}
-	}
-	*result = tmp;
-	return p_on? 2:1;
-}
-
-
-/*
- * csh-style history expansion
- */
-int
-history_expand(char *str, char **output)
-{
-	int ret = 0;
-	size_t idx, i, size;
-	char *tmp, *result;
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-
-	if (history_expansion_char == 0) {
-		*output = strdup(str);
-		return 0;
-	}
-
-	*output = NULL;
-	if (str[0] == history_subst_char) {
-		/* ^foo^foo2^ is equivalent to !!:s^foo^foo2^ */
-		*output = el_malloc((strlen(str) + 4 + 1) * sizeof(**output));
-		if (*output == NULL)
-			return 0;
-		(*output)[0] = (*output)[1] = history_expansion_char;
-		(*output)[2] = ':';
-		(*output)[3] = 's';
-		(void)strcpy((*output) + 4, str);
-		str = *output;
-	} else {
-		*output = strdup(str);
-		if (*output == NULL)
-			return 0;
-	}
-
-#define ADD_STRING(what, len, fr)					\
-	{								\
-		if (idx + len + 1 > size) {				\
-			char *nresult = el_realloc(result,		\
-			    (size += len + 1) * sizeof(*nresult));	\
-			if (nresult == NULL) {				\
-				el_free(*output);			\
-				if (/*CONSTCOND*/fr)			\
-					el_free(tmp);			\
-				return 0;				\
-			}						\
-			result = nresult;				\
-		}							\
-		(void)strncpy(&result[idx], what, len);			\
-		idx += len;						\
-		result[idx] = '\0';					\
-	}
-
-	result = NULL;
-	size = idx = 0;
-	tmp = NULL;
-	for (i = 0; str[i];) {
-		int qchar, loop_again;
-		size_t len, start, j;
-
-		qchar = 0;
-		loop_again = 1;
-		start = j = i;
-loop:
-		for (; str[j]; j++) {
-			if (str[j] == '\\' &&
-			    str[j + 1] == history_expansion_char) {
-				len = strlen(&str[j + 1]) + 1;
-				memmove(&str[j], &str[j + 1], len);
-				continue;
-			}
-			if (!loop_again) {
-				if (isspace((unsigned char) str[j])
-				    || str[j] == qchar)
-					break;
-			}
-			if (str[j] == history_expansion_char
-			    && !strchr(history_no_expand_chars, str[j + 1])
-			    && (!history_inhibit_expansion_function ||
-			    (*history_inhibit_expansion_function)(str,
-			    (int)j) == 0))
-				break;
-		}
-
-		if (str[j] && loop_again) {
-			i = j;
-			qchar = (j > 0 && str[j - 1] == '"' )? '"':0;
-			j++;
-			if (str[j] == history_expansion_char)
-				j++;
-			loop_again = 0;
-			goto loop;
-		}
-		len = i - start;
-		ADD_STRING(&str[start], len, 0);
-
-		if (str[i] == '\0' || str[i] != history_expansion_char) {
-			len = j - i;
-			ADD_STRING(&str[i], len, 0);
-			if (start == 0)
-				ret = 0;
-			else
-				ret = 1;
-			break;
-		}
-		ret = _history_expand_command (str, i, (j - i), &tmp);
-		if (ret > 0 && tmp) {
-			len = strlen(tmp);
-			ADD_STRING(tmp, len, 1);
-		}
-		if (tmp) {
-			el_free(tmp);
-			tmp = NULL;
-		}
-		i = j;
-	}
-
-	/* ret is 2 for "print only" option */
-	if (ret == 2) {
-		add_history(result);
-#ifdef GDB_411_HACK
-		/* gdb 4.11 has been shipped with readline, where */
-		/* history_expand() returned -1 when the line	  */
-		/* should not be executed; in readline 2.1+	  */
-		/* it should return 2 in such a case		  */
-		ret = -1;
-#endif
-	}
-	el_free(*output);
-	*output = result;
-
-	return ret;
-}
-
-/*
-* Return a string consisting of arguments of "str" from "start" to "end".
-*/
-char *
-history_arg_extract(int start, int end, const char *str)
-{
-	size_t  i, len, max;
-	char	**arr, *result = NULL;
-
-	arr = history_tokenize(str);
-	if (!arr)
-		return NULL;
-	if (arr && *arr == NULL)
-		goto out;
-
-	for (max = 0; arr[max]; max++)
-		continue;
-	max--;
-
-	if (start == '$')
-		start = (int)max;
-	if (end == '$')
-		end = (int)max;
-	if (end < 0)
-		end = (int)max + end + 1;
-	if (start < 0)
-		start = end;
-
-	if (start < 0 || end < 0 || (size_t)start > max ||
-	    (size_t)end > max || start > end)
-		goto out;
-
-	for (i = (size_t)start, len = 0; i <= (size_t)end; i++)
-		len += strlen(arr[i]) + 1;
-	len++;
-	result = el_malloc(len * sizeof(*result));
-	if (result == NULL)
-		goto out;
-
-	for (i = (size_t)start, len = 0; i <= (size_t)end; i++) {
-		(void)strcpy(result + len, arr[i]);
-		len += strlen(arr[i]);
-		if (i < (size_t)end)
-			result[len++] = ' ';
-	}
-	result[len] = '\0';
-
-out:
-	for (i = 0; arr[i]; i++)
-		el_free(arr[i]);
-	el_free(arr);
-
-	return result;
-}
-
-/*
- * Parse the string into individual tokens,
- * similar to how shell would do it.
- */
-char **
-history_tokenize(const char *str)
-{
-	int size = 1, idx = 0, i, start;
-	size_t len;
-	char **result = NULL, *temp, delim = '\0';
-
-	for (i = 0; str[i];) {
-		while (isspace((unsigned char) str[i]))
-			i++;
-		start = i;
-		for (; str[i];) {
-			if (str[i] == '\\') {
-				if (str[i+1] != '\0')
-					i++;
-			} else if (str[i] == delim)
-				delim = '\0';
-			else if (!delim &&
-				    (isspace((unsigned char) str[i]) ||
-				strchr("()<>;&|$", str[i])))
-				break;
-			else if (!delim && strchr("'`\"", str[i]))
-				delim = str[i];
-			if (str[i])
-				i++;
-		}
-
-		if (idx + 2 >= size) {
-			char **nresult;
-			size <<= 1;
-			nresult = el_realloc(result, (size_t)size * sizeof(*nresult));
-			if (nresult == NULL) {
-				el_free(result);
-				return NULL;
-			}
-			result = nresult;
-		}
-		len = (size_t)i - (size_t)start;
-		temp = el_malloc((size_t)(len + 1) * sizeof(*temp));
-		if (temp == NULL) {
-			for (i = 0; i < idx; i++)
-				el_free(result[i]);
-			el_free(result);
-			return NULL;
-		}
-		(void)strncpy(temp, &str[start], len);
-		temp[len] = '\0';
-		result[idx++] = temp;
-		result[idx] = NULL;
-		if (str[i])
-			i++;
-	}
-	return result;
-}
-
-
-/*
- * limit size of history record to ``max'' events
- */
-void
-stifle_history(int max)
-{
-	HistEvent ev;
-	HIST_ENTRY *he;
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-
-	if (history(h, &ev, H_SETSIZE, max) == 0) {
-		max_input_history = max;
-		if (history_length > max)
-			history_base = history_length - max;
-		while (history_length > max) {
-			he = remove_history(0);
-			el_free(he->data);
-			el_free((void *)(unsigned long)he->line);
-			el_free(he);
-		}
-	}
-}
-
-
-/*
- * "unlimit" size of history - set the limit to maximum allowed int value
- */
-int
-unstifle_history(void)
-{
-	HistEvent ev;
-	int omax;
-
-	history(h, &ev, H_SETSIZE, INT_MAX);
-	omax = max_input_history;
-	max_input_history = INT_MAX;
-	return omax;		/* some value _must_ be returned */
-}
-
-
-int
-history_is_stifled(void)
-{
-
-	/* cannot return true answer */
-	return max_input_history != INT_MAX;
-}
-
-static const char _history_tmp_template[] = "/tmp/.historyXXXXXX";
-
-int
-history_truncate_file (const char *filename, int nlines)
-{
-	int ret = 0;
-	FILE *fp, *tp;
-	char template[sizeof(_history_tmp_template)];
-	char buf[4096];
-	int fd;
-	char *cp;
-	off_t off;
-	int count = 0;
-	ssize_t left = 0;
-
-	if (filename == NULL && (filename = _default_history_file()) == NULL)
-		return errno;
-	if ((fp = fopen(filename, "r+")) == NULL)
-		return errno;
-	strcpy(template, _history_tmp_template);
-	if ((fd = mkstemp(template)) == -1) {
-		ret = errno;
-		goto out1;
-	}
-
-	if ((tp = fdopen(fd, "r+")) == NULL) {
-		close(fd);
-		ret = errno;
-		goto out2;
-	}
-
-	for(;;) {
-		if (fread(buf, sizeof(buf), (size_t)1, fp) != 1) {
-			if (ferror(fp)) {
-				ret = errno;
-				break;
-			}
-			if (fseeko(fp, (off_t)sizeof(buf) * count, SEEK_SET) ==
-			    (off_t)-1) {
-				ret = errno;
-				break;
-			}
-			left = (ssize_t)fread(buf, (size_t)1, sizeof(buf), fp);
-			if (ferror(fp)) {
-				ret = errno;
-				break;
-			}
-			if (left == 0) {
-				count--;
-				left = sizeof(buf);
-			} else if (fwrite(buf, (size_t)left, (size_t)1, tp)
-			    != 1) {
-				ret = errno;
-				break;
-			}
-			fflush(tp);
-			break;
-		}
-		if (fwrite(buf, sizeof(buf), (size_t)1, tp) != 1) {
-			ret = errno;
-			break;
-		}
-		count++;
-	}
-	if (ret)
-		goto out3;
-	cp = buf + left - 1;
-	if(*cp != '\n')
-		cp++;
-	for(;;) {
-		while (--cp >= buf) {
-			if (*cp == '\n') {
-				if (--nlines == 0) {
-					if (++cp >= buf + sizeof(buf)) {
-						count++;
-						cp = buf;
-					}
-					break;
-				}
-			}
-		}
-		if (nlines <= 0 || count == 0)
-			break;
-		count--;
-		if (fseeko(tp, (off_t)sizeof(buf) * count, SEEK_SET) < 0) {
-			ret = errno;
-			break;
-		}
-		if (fread(buf, sizeof(buf), (size_t)1, tp) != 1) {
-			if (ferror(tp)) {
-				ret = errno;
-				break;
-			}
-			ret = EAGAIN;
-			break;
-		}
-		cp = buf + sizeof(buf);
-	}
-
-	if (ret || nlines > 0)
-		goto out3;
-
-	if (fseeko(fp, (off_t)0, SEEK_SET) == (off_t)-1) {
-		ret = errno;
-		goto out3;
-	}
-
-	if (fseeko(tp, (off_t)sizeof(buf) * count + (cp - buf), SEEK_SET) ==
-	    (off_t)-1) {
-		ret = errno;
-		goto out3;
-	}
-
-	for(;;) {
-		if ((left = (ssize_t)fread(buf, (size_t)1, sizeof(buf), tp)) == 0) {
-			if (ferror(fp))
-				ret = errno;
-			break;
-		}
-		if (fwrite(buf, (size_t)left, (size_t)1, fp) != 1) {
-			ret = errno;
-			break;
-		}
-	}
-	fflush(fp);
-	if((off = ftello(fp)) > 0)
-		(void)ftruncate(fileno(fp), off);
-out3:
-	fclose(tp);
-out2:
-	unlink(template);
-out1:
-	fclose(fp);
-
-	return ret;
-}
-
-
-/*
- * read history from a file given
- */
-int
-read_history(const char *filename)
-{
-	HistEvent ev;
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-	if (filename == NULL && (filename = _default_history_file()) == NULL)
-		return errno;
-	return history(h, &ev, H_LOAD, filename) == -1 ?
-	    (errno ? errno : EINVAL) : 0;
-}
-
-
-/*
- * write history to a file given
- */
-int
-write_history(const char *filename)
-{
-	HistEvent ev;
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-	if (filename == NULL && (filename = _default_history_file()) == NULL)
-		return errno;
-	return history(h, &ev, H_SAVE, filename) == -1 ?
-	    (errno ? errno : EINVAL) : 0;
-}
-
-
-/*
- * returns history ``num''th event
- *
- * returned pointer points to static variable
- */
-HIST_ENTRY *
-history_get(int num)
-{
-	static HIST_ENTRY she;
-	HistEvent ev;
-	int curr_num;
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-
-	if (num < history_base)
-		return NULL;
-
-	/* save current position */
-	if (history(h, &ev, H_CURR) != 0)
-		return NULL;
-	curr_num = ev.num;
-
-	/*
-	 * use H_DELDATA to set to nth history (without delete) by passing
-	 * (void **)-1  -- as in history_set_pos
-	 */
-	if (history(h, &ev, H_DELDATA, num - history_base, (void **)-1) != 0)
-		goto out;
-
-	/* get current entry */
-	if (history(h, &ev, H_CURR) != 0)
-		goto out;
-	if (history(h, &ev, H_NEXT_EVDATA, ev.num, &she.data) != 0)
-		goto out;
-	she.line = ev.str;
-
-	/* restore pointer to where it was */
-	(void)history(h, &ev, H_SET, curr_num);
-
-	return &she;
-
-out:
-	/* restore pointer to where it was */
-	(void)history(h, &ev, H_SET, curr_num);
-	return NULL;
-}
-
-
-/*
- * add the line to history table
- */
-int
-add_history(const char *line)
-{
-	HistEvent ev;
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-
-	if (history(h, &ev, H_ENTER, line) == -1)
-		return 0;
-
-	(void)history(h, &ev, H_GETSIZE);
-	if (ev.num == history_length)
-		history_base++;
-	else
-		history_length = ev.num;
-	return 0;
-}
-
-
-/*
- * remove the specified entry from the history list and return it.
- */
-HIST_ENTRY *
-remove_history(int num)
-{
-	HIST_ENTRY *he;
-	HistEvent ev;
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-
-	if ((he = el_malloc(sizeof(*he))) == NULL)
-		return NULL;
-
-	if (history(h, &ev, H_DELDATA, num, &he->data) != 0) {
-		el_free(he);
-		return NULL;
-	}
-
-	he->line = ev.str;
-	if (history(h, &ev, H_GETSIZE) == 0)
-		history_length = ev.num;
-
-	return he;
-}
-
-
-/*
- * replace the line and data of the num-th entry
- */
-HIST_ENTRY *
-replace_history_entry(int num, const char *line, histdata_t data)
-{
-	HIST_ENTRY *he;
-	HistEvent ev;
-	int curr_num;
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-
-	/* save current position */
-	if (history(h, &ev, H_CURR) != 0)
-		return NULL;
-	curr_num = ev.num;
-
-	/* start from the oldest */
-	if (history(h, &ev, H_LAST) != 0)
-		return NULL;	/* error */
-
-	if ((he = el_malloc(sizeof(*he))) == NULL)
-		return NULL;
-
-	/* look forwards for event matching specified offset */
-	if (history(h, &ev, H_NEXT_EVDATA, num, &he->data))
-		goto out;
-
-	he->line = strdup(ev.str);
-	if (he->line == NULL)
-		goto out;
-
-	if (history(h, &ev, H_REPLACE, line, data))
-		goto out;
-
-	/* restore pointer to where it was */
-	if (history(h, &ev, H_SET, curr_num))
-		goto out;
-
-	return he;
-out:
-	el_free(he);
-	return NULL;
-}
-
-/*
- * clear the history list - delete all entries
- */
-void
-clear_history(void)
-{
-	HistEvent ev;
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-
-	(void)history(h, &ev, H_CLEAR);
-	history_offset = history_length = 0;
-}
-
-
-/*
- * returns offset of the current history event
- */
-int
-where_history(void)
-{
-	return history_offset;
-}
-
-static HIST_ENTRY **_history_listp;
-static HIST_ENTRY *_history_list;
-
-HIST_ENTRY **
-history_list(void)
-{
-	HistEvent ev;
-	HIST_ENTRY **nlp, *nl;
-	int i;
-
-	if (history(h, &ev, H_LAST) != 0)
-		return NULL;
-
-	if ((nlp = el_realloc(_history_listp,
-	    (size_t)history_length * sizeof(*nlp))) == NULL)
-		return NULL;
-	_history_listp = nlp;
-
-	if ((nl = el_realloc(_history_list,
-	    (size_t)history_length * sizeof(*nl))) == NULL)
-		return NULL;
-	_history_list = nl;
-
-	i = 0;
-	do {
-		_history_listp[i] = &_history_list[i];
-		_history_list[i].line = ev.str;
-		_history_list[i].data = NULL;
-		if (i++ == history_length)
-			abort();
-	} while (history(h, &ev, H_PREV) == 0);
-	return _history_listp;
-}
-
-/*
- * returns current history event or NULL if there is no such event
- */
-HIST_ENTRY *
-current_history(void)
-{
-	HistEvent ev;
-
-	if (history(h, &ev, H_PREV_EVENT, history_offset + 1) != 0)
-		return NULL;
-
-	rl_he.line = ev.str;
-	rl_he.data = NULL;
-	return &rl_he;
-}
-
-
-/*
- * returns total number of bytes history events' data are using
- */
-int
-history_total_bytes(void)
-{
-	HistEvent ev;
-	int curr_num;
-	size_t size;
-
-	if (history(h, &ev, H_CURR) != 0)
-		return -1;
-	curr_num = ev.num;
-
-	(void)history(h, &ev, H_FIRST);
-	size = 0;
-	do
-		size += strlen(ev.str) * sizeof(*ev.str);
-	while (history(h, &ev, H_NEXT) == 0);
-
-	/* get to the same position as before */
-	history(h, &ev, H_PREV_EVENT, curr_num);
-
-	return (int)size;
-}
-
-
-/*
- * sets the position in the history list to ``pos''
- */
-int
-history_set_pos(int pos)
-{
-	if (pos >= history_length || pos < 0)
-		return 0;
-
-	history_offset = pos;
-	return 1;
-}
-
-
-/*
- * returns previous event in history and shifts pointer accordingly
- * Note that readline and editline define directions in opposite ways.
- */
-HIST_ENTRY *
-previous_history(void)
-{
-	HistEvent ev;
-
-	if (history_offset == 0)
-		return NULL;
-
-	if (history(h, &ev, H_LAST) != 0)
-		return NULL;
-
-	history_offset--;
-	return current_history();
-}
-
-
-/*
- * returns next event in history and shifts pointer accordingly
- */
-HIST_ENTRY *
-next_history(void)
-{
-	HistEvent ev;
-
-	if (history_offset >= history_length)
-		return NULL;
-
-	if (history(h, &ev, H_LAST) != 0)
-		return NULL;
-
-	history_offset++;
-	return current_history();
-}
-
-
-/*
- * searches for first history event containing the str
- */
-int
-history_search(const char *str, int direction)
-{
-	HistEvent ev;
-	const char *strp;
-	int curr_num;
-
-	if (history(h, &ev, H_CURR) != 0)
-		return -1;
-	curr_num = ev.num;
-
-	for (;;) {
-		if ((strp = strstr(ev.str, str)) != NULL)
-			return (int)(strp - ev.str);
-		if (history(h, &ev, direction < 0 ? H_NEXT:H_PREV) != 0)
-			break;
-	}
-	(void)history(h, &ev, H_SET, curr_num);
-	return -1;
-}
-
-
-/*
- * searches for first history event beginning with str
- */
-int
-history_search_prefix(const char *str, int direction)
-{
-	HistEvent ev;
-
-	return (history(h, &ev, direction < 0 ?
-	    H_PREV_STR : H_NEXT_STR, str));
-}
-
-
-/*
- * search for event in history containing str, starting at offset
- * abs(pos); continue backward, if pos<0, forward otherwise
- */
-/* ARGSUSED */
-int
-history_search_pos(const char *str,
-		   int direction __attribute__((__unused__)), int pos)
-{
-	HistEvent ev;
-	int curr_num, off;
-
-	off = (pos > 0) ? pos : -pos;
-	pos = (pos > 0) ? 1 : -1;
-
-	if (history(h, &ev, H_CURR) != 0)
-		return -1;
-	curr_num = ev.num;
-
-	if (!history_set_pos(off) || history(h, &ev, H_CURR) != 0)
-		return -1;
-
-	for (;;) {
-		if (strstr(ev.str, str))
-			return off;
-		if (history(h, &ev, (pos < 0) ? H_PREV : H_NEXT) != 0)
-			break;
-	}
-
-	/* set "current" pointer back to previous state */
-	(void)history(h, &ev,
-	    pos < 0 ? H_NEXT_EVENT : H_PREV_EVENT, curr_num);
-
-	return -1;
-}
-
-
-/********************************/
-/* completion functions */
-
-char *
-tilde_expand(char *name)
-{
-	return fn_tilde_expand(name);
-}
-
-char *
-filename_completion_function(const char *name, int state)
-{
-	return fn_filename_completion_function(name, state);
-}
-
-/*
- * a completion generator for usernames; returns _first_ username
- * which starts with supplied text
- * text contains a partial username preceded by random character
- * (usually '~'); state resets search from start (??? should we do that anyway)
- * it's the caller's responsibility to free the returned value
- */
-char *
-username_completion_function(const char *text, int state)
-{
-#if defined(HAVE_GETPW_R_POSIX) || defined(HAVE_GETPW_R_DRAFT)
-	struct passwd pwres;
-	char pwbuf[1024];
-#endif
-	struct passwd *pass = NULL;
-
-	if (text[0] == '\0')
-		return NULL;
-
-	if (*text == '~')
-		text++;
-
-	if (state == 0)
-		setpwent();
-
-	while (
-#if defined(HAVE_GETPW_R_POSIX) || defined(HAVE_GETPW_R_DRAFT)
-	    getpwent_r(&pwres, pwbuf, sizeof(pwbuf), &pass) == 0 && pass != NULL
-#else
-	    (pass = getpwent()) != NULL
-#endif
-	    && text[0] == pass->pw_name[0]
-	    && strcmp(text, pass->pw_name) == 0)
-		continue;
-
-	if (pass == NULL) {
-		endpwent();
-		return NULL;
-	}
-	return strdup(pass->pw_name);
-}
-
-
-/*
- * el-compatible wrapper to send TSTP on ^Z
- */
-/* ARGSUSED */
-static unsigned char
-_el_rl_tstp(EditLine *el __attribute__((__unused__)), int ch __attribute__((__unused__)))
-{
-	(void)kill(0, SIGTSTP);
-	return CC_NORM;
-}
-
-static const char *
-/*ARGSUSED*/
-_rl_completion_append_character_function(const char *dummy
-    __attribute__((__unused__)))
-{
-	static char buf[2];
-	buf[0] = (char)rl_completion_append_character;
-	buf[1] = '\0';
-	return buf;
-}
-
-
-/*
- * Display list of strings in columnar format on readline's output stream.
- * 'matches' is list of strings, 'len' is number of strings in 'matches',
- * 'max' is maximum length of string in 'matches'.
- */
-void
-rl_display_match_list(char **matches, int len, int max)
-{
-
-	fn_display_match_list(e, matches, (size_t)len, (size_t)max,
-		_rl_completion_append_character_function);
-}
-
-/*
- * complete word at current point
- */
-/* ARGSUSED */
-int
-rl_complete(int ignore __attribute__((__unused__)), int invoking_key)
-{
-	static ct_buffer_t wbreak_conv, sprefix_conv;
-	char *breakchars;
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-
-	if (rl_inhibit_completion) {
-		char arr[2];
-		arr[0] = (char)invoking_key;
-		arr[1] = '\0';
-		el_insertstr(e, arr);
-		return CC_REFRESH;
-	}
-
-	if (rl_completion_word_break_hook != NULL)
-		breakchars = (*rl_completion_word_break_hook)();
-	else
-		breakchars = rl_basic_word_break_characters;
-
-	_rl_update_pos();
-
-	/* Just look at how many global variables modify this operation! */
-	return fn_complete(e,
-	    (rl_compentry_func_t *)rl_completion_entry_function,
-	    rl_attempted_completion_function,
-	    ct_decode_string(rl_basic_word_break_characters, &wbreak_conv),
-	    ct_decode_string(breakchars, &sprefix_conv),
-	    _rl_completion_append_character_function,
-	    (size_t)rl_completion_query_items,
-	    &rl_completion_type, &rl_attempted_completion_over,
-	    &rl_point, &rl_end);
-
-
-}
-
-
-/* ARGSUSED */
-static unsigned char
-_el_rl_complete(EditLine *el __attribute__((__unused__)), int ch)
-{
-	return (unsigned char)rl_complete(0, ch);
-}
-
-/*
- * misc other functions
- */
-
-/*
- * bind key c to readline-type function func
- */
-int
-rl_bind_key(int c, rl_command_func_t *func)
-{
-	int retval = -1;
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-
-	if (func == rl_insert) {
-		/* XXX notice there is no range checking of ``c'' */
-		e->el_map.key[c] = ED_INSERT;
-		retval = 0;
-	}
-	return retval;
-}
-
-
-/*
- * read one key from input - handles chars pushed back
- * to input stream also
- */
-int
-rl_read_key(void)
-{
-	char fooarr[2 * sizeof(int)];
-
-	if (e == NULL || h == NULL)
-		rl_initialize();
-
-	return el_getc(e, fooarr);
-}
-
-
-/*
- * reset the terminal
- */
-/* ARGSUSED */
-void
-rl_reset_terminal(const char *p __attribute__((__unused__)))
-{
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-	el_reset(e);
-}
-
-
-/*
- * insert character ``c'' back into input stream, ``count'' times
- */
-int
-rl_insert(int count, int c)
-{
-	char arr[2];
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-
-	/* XXX - int -> char conversion can lose on multichars */
-	arr[0] = (char)c;
-	arr[1] = '\0';
-
-	for (; count > 0; count--)
-		el_push(e, arr);
-
-	return 0;
-}
-
-int
-rl_insert_text(const char *text)
-{
-	if (!text || *text == 0)
-		return 0;
-
-	if (h == NULL || e == NULL)
-		rl_initialize();
-
-	if (el_insertstr(e, text) < 0)
-		return 0;
-	return (int)strlen(text);
-}
-
-/*ARGSUSED*/
-int
-rl_newline(int count __attribute__((__unused__)),
-    int c __attribute__((__unused__)))
-{
-	/*
-	 * Readline-4.0 appears to ignore the args.
-	 */
-	return rl_insert(1, '\n');
-}
-
-/*ARGSUSED*/
-static unsigned char
-rl_bind_wrapper(EditLine *el __attribute__((__unused__)), unsigned char c)
-{
-	if (map[c] == NULL)
-	    return CC_ERROR;
-
-	_rl_update_pos();
-
-	(*map[c])(1, c);
-
-	/* If rl_done was set by the above call, deal with it here */
-	if (rl_done)
-		return CC_EOF;
-
-	return CC_NORM;
-}
-
-int
-rl_add_defun(const char *name, rl_command_func_t *fun, int c)
-{
-	char dest[8];
-	if ((size_t)c >= sizeof(map) / sizeof(map[0]) || c < 0)
-		return -1;
-	map[(unsigned char)c] = fun;
-	el_set(e, EL_ADDFN, name, name, rl_bind_wrapper);
-	vis(dest, c, VIS_WHITE|VIS_NOSLASH, 0);
-	el_set(e, EL_BIND, dest, name, NULL);
-	return 0;
-}
-
-void
-rl_callback_read_char(void)
-{
-	int count = 0, done = 0;
-	const char *buf = el_gets(e, &count);
-	char *wbuf;
-
-	if (buf == NULL || count-- <= 0)
-		return;
-	if (count == 0 && buf[0] == e->el_tty.t_c[TS_IO][C_EOF])
-		done = 1;
-	if (buf[count] == '\n' || buf[count] == '\r')
-		done = 2;
-
-	if (done && rl_linefunc != NULL) {
-		el_set(e, EL_UNBUFFERED, 0);
-		if (done == 2) {
-		    if ((wbuf = strdup(buf)) != NULL)
-			wbuf[count] = '\0';
-		} else
-			wbuf = NULL;
-		(*(void (*)(const char *))rl_linefunc)(wbuf);
-		el_set(e, EL_UNBUFFERED, 1);
-	}
-}
-
-void
-rl_callback_handler_install(const char *prompt, rl_vcpfunc_t *linefunc)
-{
-	if (e == NULL) {
-		rl_initialize();
-	}
-	(void)rl_set_prompt(prompt);
-	rl_linefunc = linefunc;
-	el_set(e, EL_UNBUFFERED, 1);
-}
-
-void
-rl_callback_handler_remove(void)
-{
-	el_set(e, EL_UNBUFFERED, 0);
-	rl_linefunc = NULL;
-}
-
-void
-rl_redisplay(void)
-{
-	char a[2];
-	a[0] = (char)e->el_tty.t_c[TS_IO][C_REPRINT];
-	a[1] = '\0';
-	el_push(e, a);
-}
-
-int
-rl_get_previous_history(int count, int key)
-{
-	char a[2];
-	a[0] = (char)key;
-	a[1] = '\0';
-	while (count--)
-		el_push(e, a);
-	return 0;
-}
-
-void
-/*ARGSUSED*/
-rl_prep_terminal(int meta_flag __attribute__((__unused__)))
-{
-	el_set(e, EL_PREP_TERM, 1);
-}
-
-void
-rl_deprep_terminal(void)
-{
-	el_set(e, EL_PREP_TERM, 0);
-}
-
-int
-rl_read_init_file(const char *s)
-{
-	return el_source(e, s);
-}
-
-int
-rl_parse_and_bind(const char *line)
-{
-	const char **argv;
-	int argc;
-	Tokenizer *tok;
-
-	tok = tok_init(NULL);
-	tok_str(tok, line, &argc, &argv);
-	argc = el_parse(e, argc, argv);
-	tok_end(tok);
-	return argc ? 1 : 0;
-}
-
-int
-rl_variable_bind(const char *var, const char *value)
-{
-	/*
-	 * The proper return value is undocument, but this is what the
-	 * readline source seems to do.
-	 */
-	return el_set(e, EL_BIND, "", var, value, NULL) == -1 ? 1 : 0;
-}
-
-void
-rl_stuff_char(int c)
-{
-	char buf[2];
-
-	buf[0] = (char)c;
-	buf[1] = '\0';
-	el_insertstr(e, buf);
-}
-
-static int
-_rl_event_read_char(EditLine *el, wchar_t *wc)
-{
-	char	ch;
-	int	n;
-	ssize_t num_read = 0;
-
-	ch = '\0';
-	*wc = L'\0';
-	while (rl_event_hook) {
-
-		(*rl_event_hook)();
-
-#if defined(FIONREAD)
-		if (ioctl(el->el_infd, FIONREAD, &n) < 0)
-			return -1;
-		if (n)
-			num_read = read(el->el_infd, &ch, (size_t)1);
-		else
-			num_read = 0;
-#elif defined(F_SETFL) && defined(O_NDELAY)
-		if ((n = fcntl(el->el_infd, F_GETFL, 0)) < 0)
-			return -1;
-		if (fcntl(el->el_infd, F_SETFL, n|O_NDELAY) < 0)
-			return -1;
-		num_read = read(el->el_infd, &ch, 1);
-		if (fcntl(el->el_infd, F_SETFL, n))
-			return -1;
-#else
-		/* not non-blocking, but what you gonna do? */
-		num_read = read(el->el_infd, &ch, 1);
-		return -1;
-#endif
-
-		if (num_read < 0 && errno == EAGAIN)
-			continue;
-		if (num_read == 0)
-			continue;
-		break;
-	}
-	if (!rl_event_hook)
-		el_set(el, EL_GETCFN, EL_BUILTIN_GETCFN);
-	*wc = (wchar_t)ch;
-	return (int)num_read;
-}
-
-static void
-_rl_update_pos(void)
-{
-	const LineInfo *li = el_line(e);
-
-	rl_point = (int)(li->cursor - li->buffer);
-	rl_end = (int)(li->lastchar - li->buffer);
-}
-
-void
-rl_get_screen_size(int *rows, int *cols)
-{
-	if (rows)
-		el_get(e, EL_GETTC, "li", rows, (void *)0);
-	if (cols)
-		el_get(e, EL_GETTC, "co", cols, (void *)0);
-}
-
-void
-rl_set_screen_size(int rows, int cols)
-{
-	char buf[64];
-	(void)snprintf(buf, sizeof(buf), "%d", rows);
-	el_set(e, EL_SETTC, "li", buf, NULL);
-	(void)snprintf(buf, sizeof(buf), "%d", cols);
-	el_set(e, EL_SETTC, "co", buf, NULL);
-}
-
-char **
-rl_completion_matches(const char *str, rl_compentry_func_t *fun)
-{
-	size_t len, max, i, j, min;
-	char **list, *match, *a, *b;
-
-	len = 1;
-	max = 10;
-	if ((list = el_malloc(max * sizeof(*list))) == NULL)
-		return NULL;
-
-	while ((match = (*fun)(str, (int)(len - 1))) != NULL) {
-		list[len++] = match;
-		if (len == max) {
-			char **nl;
-			max += 10;
-			if ((nl = el_realloc(list, max * sizeof(*nl))) == NULL)
-				goto out;
-			list = nl;
-		}
-	}
-	if (len == 1)
-		goto out;
-	list[len] = NULL;
-	if (len == 2) {
-		if ((list[0] = strdup(list[1])) == NULL)
-			goto out;
-		return list;
-	}
-	qsort(&list[1], len - 1, sizeof(*list),
-	    (int (*)(const void *, const void *)) strcmp);
-	min = SIZE_MAX;
-	for (i = 1, a = list[i]; i < len - 1; i++, a = b) {
-		b = list[i + 1];
-		for (j = 0; a[j] && a[j] == b[j]; j++)
-			continue;
-		if (min > j)
-			min = j;
-	}
-	if (min == 0 && *str) {
-		if ((list[0] = strdup(str)) == NULL)
-			goto out;
-	} else {
-		if ((list[0] = el_malloc((min + 1) * sizeof(*list[0]))) == NULL)
-			goto out;
-		(void)memcpy(list[0], list[1], min);
-		list[0][min] = '\0';
-	}
-	return list;
-
-out:
-	el_free(list);
-	return NULL;
-}
-
-char *
-rl_filename_completion_function (const char *text, int state)
-{
-	return fn_filename_completion_function(text, state);
-}
-
-void
-rl_forced_update_display(void)
-{
-	el_set(e, EL_REFRESH);
-}
-
-int
-_rl_abort_internal(void)
-{
-	el_beep(e);
-	longjmp(topbuf, 1);
-	/*NOTREACHED*/
-}
-
-int
-_rl_qsort_string_compare(char **s1, char **s2)
-{
-	return strcoll(*s1, *s2);
-}
-
-HISTORY_STATE *
-history_get_history_state(void)
-{
-	HISTORY_STATE *hs;
-
-	if ((hs = el_malloc(sizeof(*hs))) == NULL)
-		return NULL;
-	hs->length = history_length;
-	return hs;
-}
-
-int
-/*ARGSUSED*/
-rl_kill_text(int from __attribute__((__unused__)),
-    int to __attribute__((__unused__)))
-{
-	return 0;
-}
-
-Keymap
-rl_make_bare_keymap(void)
-{
-	return NULL;
-}
-
-Keymap
-rl_get_keymap(void)
-{
-	return NULL;
-}
-
-void
-/*ARGSUSED*/
-rl_set_keymap(Keymap k __attribute__((__unused__)))
-{
-}
-
-int
-/*ARGSUSED*/
-rl_generic_bind(int type __attribute__((__unused__)),
-    const char * keyseq __attribute__((__unused__)),
-    const char * data __attribute__((__unused__)),
-    Keymap k __attribute__((__unused__)))
-{
-	return 0;
-}
-
-int
-/*ARGSUSED*/
-rl_bind_key_in_map(int key __attribute__((__unused__)),
-    rl_command_func_t *fun __attribute__((__unused__)),
-    Keymap k __attribute__((__unused__)))
-{
-	return 0;
-}
-
-/* unsupported, but needed by python */
-void
-rl_cleanup_after_signal(void)
-{
-}
-
-int
-rl_on_new_line(void)
-{
-	return 0;
-}
-
-void
-rl_free_line_state(void)
-{
-}
-
-int
-/*ARGSUSED*/
-rl_set_keyboard_input_timeout(int u __attribute__((__unused__)))
-{
-	return 0;
-}
diff --git a/bin/1sh/libedit/readline/Makefile b/bin/1sh/libedit/readline/Makefile
deleted file mode 100644
index 265540b7..00000000
--- a/bin/1sh/libedit/readline/Makefile
+++ /dev/null
@@ -1,13 +0,0 @@
-#	$NetBSD: Makefile,v 1.8 2016/02/17 19:47:49 christos Exp $
-
-NOOBJ=		# defined
-
-.include <bsd.own.mk>
-
-.PATH:	${NETBSDSRCDIR}/lib/libedit
-
-INCS=		readline.h
-INCSDIR=	/usr/include/readline
-INCSYMLINKS=	readline.h ${INCSDIR}/history.h
-
-.include <bsd.prog.mk>
diff --git a/bin/1sh/libedit/readline/readline.h b/bin/1sh/libedit/readline/readline.h
deleted file mode 100644
index 777a4c6f..00000000
--- a/bin/1sh/libedit/readline/readline.h
+++ /dev/null
@@ -1,227 +0,0 @@
-/*	$NetBSD: readline.h,v 1.41 2016/10/28 18:32:35 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	  Function(const char *, int);
-typedef void	  VFunction(void);
-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 int	  rl_command_func_t(int, int);
-
-/* 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
-	Function *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'
-
-/* global variables used by readline enabled applications */
-#ifdef __cplusplus
-extern "C" {
-#endif
-extern const char	*rl_library_version;
-extern int		rl_readline_version;
-extern char		*rl_readline_name;
-extern FILE		*rl_instream;
-extern FILE		*rl_outstream;
-extern char		*rl_line_buffer;
-extern int		 rl_point, rl_end;
-extern int		 history_base, history_length;
-extern int		 max_input_history;
-extern char		*rl_basic_word_break_characters;
-extern char		*rl_completer_word_break_characters;
-extern 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 char		*rl_special_prefixes;
-extern int		rl_completion_append_character;
-extern int		rl_inhibit_completion;
-extern Function		*rl_pre_input_hook;
-extern Function		*rl_startup_hook;
-extern char		*rl_terminal_name;
-extern int		rl_already_prompted;
-extern char		*rl_prompt;
-extern int		rl_done;
-/*
- * The following is not implemented
- */
-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 VFunction	*rl_redisplay_function;
-extern VFunction	*rl_completion_display_matches_hook;
-extern VFunction	*rl_prep_term_function;
-extern VFunction	*rl_deprep_term_function;
-extern int		readline_echoing_p;
-extern int		_rl_print_completions_horizontally;
-
-/* supported functions */
-char		*readline(const char *);
-int		 rl_initialize(void);
-
-void		 using_history(void);
-int		 add_history(const char *);
-void		 clear_history(void);
-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 *);
-void		 rl_reset_terminal(const char *);
-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 *);
-void		 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);
-
-/*
- * 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);
-void		 rl_cleanup_after_signal(void);
-void		 rl_free_line_state(void);
-int		 rl_set_keyboard_input_timeout(int);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _READLINE_H_ */