File:  [gforth] / gforth / Attic / io.h
Revision 1.7: download - view: text, annotated - select for diffs
Thu Jan 25 16:45:53 1996 UTC (23 years, 5 months ago) by anton
Branches: MAIN
CVS tags: HEAD
eliminated "make realclean"; it's dangerous and useless.
eliminated relocation stuff in the kernal; was buggy and useless.
SIGPIPE now returns control to Forth.
Implemented form, rows, and cols; SIGWINCH updates these (on good OS's).
changed popen and pclose to open-pipe and close-pipe.

/* 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
  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())
unsigned char getkey(FILE *);
long key_avail(FILE *);
void prep_terminal();
void deprep_terminal();
void install_signal_handlers(void);
void get_winsize(void);

extern int terminal_prepped;
extern UCell rows, cols;

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

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