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Annotation of gforth/io.h, revision 1.5

1.5     ! anton       1: /* Input driver header
        !             2: 
        !             3:   Copyright (C) 1995 Free Software Foundation, Inc.
        !             4: 
        !             5:   This file is part of Gforth.
        !             6: 
        !             7:   Gforth is free software; you can redistribute it and/or
        !             8:   modify it under the terms of the GNU General Public License
        !             9:   as published by the Free Software Foundation; either version 2
        !            10:   of the License, or (at your option) any later version.
        !            11: 
        !            12:   This program is distributed in the hope that it will be useful,
        !            13:   but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14:   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            15:   GNU General Public License for more details.
        !            16: 
        !            17:   You should have received a copy of the GNU General Public License
        !            18:   along with this program; if not, write to the Free Software
        !            19:   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
        !            20: */
1.1       anton      21: 
1.3       anton      22: #include <setjmp.h>
                     23: 
1.4       pazsan     24: extern jmp_buf throw_jmp_buf;
                     25: 
                     26: #ifdef MSDOS
                     27: #  define prep_terminal()
                     28: #  define deprep_terminal()
                     29: #  define install_signal_handlers()
                     30: 
                     31: #  include <conio.h>
                     32: 
                     33: #  define key()                getch()
                     34: #  define key_query       FLAG(kbhit())
                     35: #else
1.1       anton      36: unsigned char getkey(FILE *);
1.3       anton      37: long key_avail(FILE *);
1.1       anton      38: void prep_terminal();
                     39: void deprep_terminal();
                     40: void install_signal_handlers(void);
1.3       anton      41: 
1.4       pazsan     42: #  define key()                getkey(stdin)
                     43: #  define key_query    -(!!key_avail(stdin)) /* !! FLAG(...)? - anton */
1.2       benschop   44:                        /* flag was originally wrong -- lennart */
1.4       pazsan     45: #endif