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Gforth now works properly when its stdout is to a broken pipe (but not stderr)
special SIGPIPE throw code (-2049)
minor bugfix ("uncaught exception" is now printed on stderr)

    1: /* Input driver header
    2: 
    3:   Copyright (C) 1995,1996,1997,1998,1999 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   20: */
   21: 
   22: #include <setjmp.h>
   23: 
   24: extern jmp_buf throw_jmp_buf;
   25: 
   26: #if defined(MSDOS) || defined(SHARC)
   27: #  define prep_terminal()
   28: #  define deprep_terminal()
   29: #  include <conio.h>
   30: 
   31: #  define key(stdin)		getch()
   32: #  define key_query(stdin)	FLAG(kbhit())
   33: #else
   34: Cell getkey(FILE *);
   35: long key_avail(FILE *);
   36: void prep_terminal(void);
   37: void deprep_terminal(void);
   38: void get_winsize(void);
   39: 
   40: #  define key(stdin)		getkey(stdin)
   41: #  define key_query(stdin)	-(!!key_avail(stdin)) /* !! FLAG(...)? - anton */
   42:          		/* flag was originally wrong -- lennart */
   43: #endif
   44: 
   45: extern UCell rows, cols;
   46: extern int terminal_prepped;