--- lbbs/include/io.h	2004/10/23 08:22:25	1.2
+++ lbbs/include/io.h	2025/10/19 01:30:38	1.24
@@ -1,30 +1,118 @@
 /***************************************************************************
-                            io.h  -  description
-                             -------------------
-    begin                : Mon Oct 18 2004
-    copyright            : (C) 2004 by Leaflet
-    email                : leaflet@leafok.com
+							io.h  -  description
+							 -------------------
+	Copyright            : (C) 2004-2025 by Leaflet
+	Email                : leaflet@leafok.com
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program 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 of the License, or     *
+ *   the Free Software Foundation; either version 3 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
+#ifndef _IO_H_
+#define _IO_H_
+
+#include <iconv.h>
 #include <stdio.h>
 
-#define	ESC_KEY		'\033'
-#define	CR		'\r'
-#define LF		'\n'
-#define	BACKSPACE	'\b'
-#define	BELL		'\b'
-#define KEY_UP		0x101
-#define KEY_DOWN	0x102
-#define KEY_LEFT	0x103
-#define KEY_RIGHT	0x104
+#define CR '\r'
+#define LF '\n'
+#define BACKSPACE '\b'
+#define BELL '\b'
+#define KEY_TAB 9
+#define KEY_ESC 27
+#define KEY_SPACE '\040'
+
+#ifndef EXTEND_KEY
+#define EXTEND_KEY
+
+#define KEY_NULL 0xffff
+#define KEY_TIMEOUT 0xfffe
+#define KEY_CONTROL 0xff
+#define KEY_UP 0x0101
+#define KEY_DOWN 0x0102
+#define KEY_RIGHT 0x0103
+#define KEY_LEFT 0x0104
+#define KEY_CSI 0x011b // ESC ESC
+#define KEY_HOME 0x0201
+#define KEY_INS 0x0202
+#define KEY_DEL 0x0203
+#define KEY_END 0x0204
+#define KEY_PGUP 0x0205
+#define KEY_PGDN 0x0206
+
+#define KEY_F1 0x0207
+#define KEY_F2 0x0208
+#define KEY_F3 0x0209
+#define KEY_F4 0x020a
+#define KEY_F5 0x020b
+#define KEY_F6 0x020c
+#define KEY_F7 0x020d
+#define KEY_F8 0x020e
+#define KEY_F9 0x020f
+#define KEY_F10 0x0210
+#define KEY_F11 0x0211
+#define KEY_F12 0x0212
+
+#define KEY_SHIFT_F1 0x0213
+#define KEY_SHIFT_F2 0x0214
+#define KEY_SHIFT_F3 0x0215
+#define KEY_SHIFT_F4 0x0216
+#define KEY_SHIFT_F5 0x0217
+#define KEY_SHIFT_F6 0x0218
+#define KEY_SHIFT_F7 0x0219
+#define KEY_SHIFT_F8 0x021a
+#define KEY_SHIFT_F9 0x021b
+#define KEY_SHIFT_F10 0x021c
+#define KEY_SHIFT_F11 0x021d
+#define KEY_SHIFT_F12 0x021e
+
+#define KEY_CTRL_F1 0x021f
+#define KEY_CTRL_F2 0x0220
+#define KEY_CTRL_F3 0x0221
+#define KEY_CTRL_F4 0x0222
+#define KEY_CTRL_F5 0x0223
+#define KEY_CTRL_F6 0x0224
+#define KEY_CTRL_F7 0x0225
+#define KEY_CTRL_F8 0x0226
+#define KEY_CTRL_F9 0x0227
+#define KEY_CTRL_F10 0x0228
+#define KEY_CTRL_F11 0x0229
+#define KEY_CTRL_F12 0x022a
+
+#define KEY_CTRL_UP 0x0230
+#define KEY_CTRL_DOWN 0x0231
+#define KEY_CTRL_RIGHT 0x0232
+#define KEY_CTRL_LEFT 0x0233
+#define KEY_CTRL_HOME 0x0234
+#define KEY_CTRL_END 0x0235
+
+#endif // EXPAND_KEY
+
+#define Ctrl(C) ((C) - 'A' + 1)
+
+#define DOECHO (1)
+#define NOECHO (0)
+
+#define BBS_DEFAULT_CHARSET "UTF-8"
+
+extern char stdio_charset[32];
+
+extern int prints(const char *format, ...);
+extern int outc(char c);
+extern int iflush(void);
+
+extern int igetch(int timeout);
+extern int igetch_t(int sec);
+extern void igetch_reset(void);
+
+extern int io_buf_conv(iconv_t cd, char *p_buf, int *p_buf_len, int *p_buf_offset, char *p_conv, size_t conv_size, int *p_conv_len);
+extern int io_conv_init(const char *charset);
+extern int io_conv_cleanup(void);
 
-extern int screen_lines;
+#endif //_IO_H_