--- lbbs/include/io.h	2004/10/23 08:22:25	1.2
+++ lbbs/include/io.h	2025/05/06 05:31:26	1.14
@@ -1,30 +1,75 @@
 /***************************************************************************
-                            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 <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 ESC_KEY '\033'
+#define CR '\r'
+#define LF '\n'
+#define BACKSPACE '\b'
+#define BELL '\b'
+#define KEY_SPACE '\040'
+
+#ifndef EXTEND_KEY
+#define EXTEND_KEY
+#define KEY_NULL 0xffff
+#define KEY_TIMEOUT 0xfffe
+#define KEY_CONTROL 0xff
+#define KEY_TAB 9
+#define KEY_ESC 27
+#define KEY_UP 0x0101
+#define KEY_DOWN 0x0102
+#define KEY_RIGHT 0x0103
+#define KEY_LEFT 0x0104
+#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
+#endif
+
+#define Ctrl(C) ((C) - 'A' + 1)
+
+#define DOECHO (1)
+#define NOECHO (0)
+
+extern int outc(char c);
+
+extern int prints(const char *format, ...);
+
+extern int iflush();
+
+extern int igetch(int clear_buf);
+
+extern int igetch_t(long int sec);
+
+extern int ikbhit();
 
-extern int screen_lines;
+#endif //_IO_H_