File:  [gforth] / gforth / engine / io.h
Revision 1.6: download - view: text, annotated - select for diffs
Thu Jan 21 20:09:14 1999 UTC (25 years, 2 months ago) by pazsan
Branches: MAIN
CVS tags: HEAD
Minor fixes for SHARC
KEY returns now EOF (-1) when at end of file (non-standard?)

/* Input driver header

  Copyright (C) 1995,1996,1997,1998 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;

#if defined(MSDOS) || defined(SHARC)
#  define prep_terminal()
#  define deprep_terminal()
#  include <conio.h>

#  define key(stdin)		getch()
#  define key_query(stdin)	FLAG(kbhit())
#else
unsigned getkey(FILE *);
long key_avail(FILE *);
void prep_terminal(void);
void deprep_terminal(void);
void get_winsize(void);

#  define key(stdin)		getkey(stdin)
#  define key_query(stdin)	-(!!key_avail(stdin)) /* !! FLAG(...)? - anton */
         		/* flag was originally wrong -- lennart */
#endif

void install_signal_handlers(void);
extern UCell rows, cols;
extern int terminal_prepped;

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