--- gforth/Attic/io.h	1994/05/31 07:26:59	1.2
+++ gforth/Attic/io.h	1996/01/07 17:22:11	1.6
@@ -1,12 +1,47 @@
-/* Input driver header */
+/* Input driver header
 
+  Copyright (C) 1995 Free Software Foundation, Inc.
+
+  This file is part of Gforth.
+
+  Gforth 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 (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <setjmp.h>
+
+extern jmp_buf throw_jmp_buf;
+
+#ifdef MSDOS
+#  define prep_terminal()
+#  define deprep_terminal()
+#  define install_signal_handlers()
+
+#  include <conio.h>
+
+#  define key()		getch()
+#  define key_query       FLAG(kbhit())
+#else
 unsigned char getkey(FILE *);
-int key_avail(FILE *);
+long key_avail(FILE *);
 void prep_terminal();
 void deprep_terminal();
 void install_signal_handlers(void);
 
-#define key()		getkey(stdin)
-#define key_query	-(!!key_avail(stdin)) /* !! FLAG(...)? - anton */
-         		/* flag was originally wrong -- lennart */
+extern int terminal_prepped;
 
+#  define key()		getkey(stdin)
+#  define key_query	-(!!key_avail(stdin)) /* !! FLAG(...)? - anton */
+         		/* flag was originally wrong -- lennart */
+#endif