--- /dev/null
+/* $NetBSD: histedit.h,v 1.46 2010/04/15 00:50:03 christos Exp $ */
+
+/*-
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Christos Zoulas of Cornell University.
+ *
+ * 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.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ * @(#)histedit.h 8.2 (Berkeley) 1/3/94
+ */
+
+/*
+ * histedit.h: Line editor and history interface.
+ */
+#ifndef _HISTEDIT_H_
+#define _HISTEDIT_H_
+
+#define LIBEDIT_MAJOR 2
+#define LIBEDIT_MINOR 11
+
+# if defined(HAVE_STDINT_H)
+# include <stdint.h>
+# elif defined(HAVE_INTTYPES_H)
+# include <inttypes.h>
+# endif
+
+#include <sys/types.h>
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * ==== Editing ====
+ */
+
+typedef struct editline EditLine;
+
+/*
+ * For user-defined function interface
+ */
+typedef struct lineinfo {
+ const char *buffer;
+ const char *cursor;
+ const char *lastchar;
+} LineInfo;
+
+/*
+ * EditLine editor function return codes.
+ * For user-defined function interface
+ */
+#define CC_NORM 0
+#define CC_NEWLINE 1
+#define CC_EOF 2
+#define CC_ARGHACK 3
+#define CC_REFRESH 4
+#define CC_CURSOR 5
+#define CC_ERROR 6
+#define CC_FATAL 7
+#define CC_REDISPLAY 8
+#define CC_REFRESH_BEEP 9
+
+/*
+ * Initialization, cleanup, and resetting
+ */
+EditLine *el_init(const char *, FILE *, FILE *, FILE *);
+void el_end(EditLine *);
+void el_reset(EditLine *);
+
+/*
+ * Get a line, a character or push a string back in the input queue
+ */
+const char *el_gets(EditLine *, int *);
+int el_getc(EditLine *, char *);
+void el_push(EditLine *, const char *);
+
+/*
+ * Beep!
+ */
+void el_beep(EditLine *);
+
+/*
+ * High level function internals control
+ * Parses argc, argv array and executes builtin editline commands
+ */
+int el_parse(EditLine *, int, const char **);
+
+/*
+ * Low level editline access functions
+ */
+int el_set(EditLine *, int, ...);
+int el_get(EditLine *, int, ...);
+unsigned char _el_fn_complete(EditLine *, int);
+
+/*
+ * el_set/el_get parameters
+ *
+ * When using el_wset/el_wget (as opposed to el_set/el_get):
+ * Char is wchar_t, otherwise it is char.
+ * prompt_func is el_wpfunc_t, otherwise it is el_pfunc_t .
+
+ * Prompt function prototypes are:
+ * typedef char *(*el_pfunct_t) (EditLine *);
+ * typedef wchar_t *(*el_wpfunct_t) (EditLine *);
+ *
+ * For operations that support set or set/get, the argument types listed are for
+ * the "set" operation. For "get", each listed type must be a pointer.
+ * E.g. EL_EDITMODE takes an int when set, but an int* when get.
+ *
+ * Operations that only support "get" have the correct argument types listed.
+ */
+#define EL_PROMPT 0 /* , prompt_func); set/get */
+#define EL_TERMINAL 1 /* , const char *); set/get */
+#define EL_EDITOR 2 /* , const Char *); set/get */
+#define EL_SIGNAL 3 /* , int); set/get */
+#define EL_BIND 4 /* , const Char *, ..., NULL); set */
+#define EL_TELLTC 5 /* , const Char *, ..., NULL); set */
+#define EL_SETTC 6 /* , const Char *, ..., NULL); set */
+#define EL_ECHOTC 7 /* , const Char *, ..., NULL); set */
+#define EL_SETTY 8 /* , const Char *, ..., NULL); set */
+#define EL_ADDFN 9 /* , const Char *, const Char, set */
+ /* el_func_t); */
+#define EL_HIST 10 /* , hist_fun_t, const ptr_t); set */
+#define EL_EDITMODE 11 /* , int); set/get */
+#define EL_RPROMPT 12 /* , prompt_func); set/get */
+#define EL_GETCFN 13 /* , el_rfunc_t); set/get */
+#define EL_CLIENTDATA 14 /* , void *); set/get */
+#define EL_UNBUFFERED 15 /* , int); set/get */
+#define EL_PREP_TERM 16 /* , int); set */
+#define EL_GETTC 17 /* , const Char *, ..., NULL); get */
+#define EL_GETFP 18 /* , int, FILE **); get */
+#define EL_SETFP 19 /* , int, FILE *); set */
+#define EL_REFRESH 20 /* , void); set */
+#define EL_PROMPT_ESC 21 /* , prompt_func, Char); set/get */
+#define EL_RPROMPT_ESC 22 /* , prompt_func, Char); set/get */
+
+#define EL_BUILTIN_GETCFN (NULL)
+
+/*
+ * Source named file or $PWD/.editrc or $HOME/.editrc
+ */
+int el_source(EditLine *, const char *);
+
+/*
+ * Must be called when the terminal changes size; If EL_SIGNAL
+ * is set this is done automatically otherwise it is the responsibility
+ * of the application
+ */
+void el_resize(EditLine *);
+
+/*
+ * User-defined function interface.
+ */
+const LineInfo *el_line(EditLine *);
+int el_insertstr(EditLine *, const char *);
+void el_deletestr(EditLine *, int);
+
+
+/*
+ * ==== History ====
+ */
+
+typedef struct history History;
+
+typedef struct HistEvent {
+ int num;
+ const char *str;
+} HistEvent;
+
+/*
+ * History access functions.
+ */
+History * history_init(void);
+void history_end(History *);
+
+int history(History *, HistEvent *, int, ...);
+
+#define H_FUNC 0 /* , UTSL */
+#define H_SETSIZE 1 /* , const int); */
+#define H_GETSIZE 2 /* , void); */
+#define H_FIRST 3 /* , void); */
+#define H_LAST 4 /* , void); */
+#define H_PREV 5 /* , void); */
+#define H_NEXT 6 /* , void); */
+#define H_CURR 8 /* , const int); */
+#define H_SET 7 /* , int); */
+#define H_ADD 9 /* , const wchar_t *); */
+#define H_ENTER 10 /* , const wchar_t *); */
+#define H_APPEND 11 /* , const wchar_t *); */
+#define H_END 12 /* , void); */
+#define H_NEXT_STR 13 /* , const wchar_t *); */
+#define H_PREV_STR 14 /* , const wchar_t *); */
+#define H_NEXT_EVENT 15 /* , const int); */
+#define H_PREV_EVENT 16 /* , const int); */
+#define H_LOAD 17 /* , const char *); */
+#define H_SAVE 18 /* , const char *); */
+#define H_CLEAR 19 /* , void); */
+#define H_SETUNIQUE 20 /* , int); */
+#define H_GETUNIQUE 21 /* , void); */
+#define H_DEL 22 /* , int); */
+#define H_NEXT_EVDATA 23 /* , const int, histdata_t *); */
+#define H_DELDATA 24 /* , int, histdata_t *);*/
+#define H_REPLACE 25 /* , const char *, histdata_t); */
+
+
+
+/*
+ * ==== Tokenization ====
+ */
+
+typedef struct tokenizer Tokenizer;
+
+/*
+ * String tokenization functions, using simplified sh(1) quoting rules
+ */
+Tokenizer *tok_init(const char *);
+void tok_end(Tokenizer *);
+void tok_reset(Tokenizer *);
+int tok_line(Tokenizer *, const LineInfo *,
+ int *, const char ***, int *, int *);
+int tok_str(Tokenizer *, const char *,
+ int *, const char ***);
+
+/*
+ * Begin Wide Character Support
+ */
+#ifdef __linux__
+/* Apparently we need _GNU_SOURCE defined to get access to wcsdup on Linux */
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+#endif
+
+#include <wchar.h>
+#include <wctype.h>
+
+/*
+ * Wide character versions
+ */
+
+/*
+ * ==== Editing ====
+ */
+typedef struct lineinfow {
+ const wchar_t *buffer;
+ const wchar_t *cursor;
+ const wchar_t *lastchar;
+} LineInfoW;
+
+const wchar_t *el_wgets(EditLine *, int *);
+int el_wgetc(EditLine *, wchar_t *);
+void el_wpush(EditLine *, const wchar_t *);
+
+int el_wparse(EditLine *, int, const wchar_t **);
+
+int el_wset(EditLine *, int, ...);
+int el_wget(EditLine *, int, ...);
+
+const LineInfoW *el_wline(EditLine *);
+int el_winsertstr(EditLine *, const wchar_t *);
+#define el_wdeletestr el_deletestr
+
+/*
+ * ==== History ====
+ */
+typedef struct histeventW {
+ int num;
+ const wchar_t *str;
+} HistEventW;
+
+typedef struct historyW HistoryW;
+
+HistoryW * history_winit(void);
+void history_wend(HistoryW *);
+
+int history_w(HistoryW *, HistEventW *, int, ...);
+
+/*
+ * ==== Tokenization ====
+ */
+typedef struct tokenizerW TokenizerW;
+
+/* Wide character tokenizer support */
+TokenizerW *tok_winit(const wchar_t *);
+void tok_wend(TokenizerW *);
+void tok_wreset(TokenizerW *);
+int tok_wline(TokenizerW *, const LineInfoW *,
+ int *, const wchar_t ***, int *, int *);
+int tok_wstr(TokenizerW *, const wchar_t *,
+ int *, const wchar_t ***);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _HISTEDIT_H_ */
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