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lrzsz ver 0.12.20

    1: /*
    2:   canit - cancel zmodem connection 
    3:   Copyright (C) until 1988 Chuck Forsberg (Omen Technology INC)
    4:   Copyright (C) 1994 Matt Porter, Michael D. Black
    5:   Copyright (C) 1996, 1997 Uwe Ohse
    6: 
    7:   This program is free software; you can redistribute it and/or modify
    8:   it under the terms of the GNU General Public License as published by
    9:   the Free Software Foundation; either version 2, or (at your option)
   10:   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
   20:   02111-1307, USA.
   21: */
   22: #include "zglobal.h"
   23: 
   24: #define SS_NORMAL 0
   25: #include <stdio.h>
   26: #include <stdlib.h>
   27: #include <signal.h>
   28: #include <setjmp.h>
   29: #include <ctype.h>
   30: #include <errno.h>
   31: #include <getopt.h>
   32: 
   33: /* send cancel string to get the other end to shut up */
   34: void
   35: canit (int fd)
   36: {
   37: 	static char canistr[] =
   38: 	{
   39: 		24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 0
   40: 	};
   41: 	purgeline(fd);
   42: 	write(fd,canistr,strlen(canistr));
   43: 	if (fd==0)
   44: 		write(1,canistr,strlen(canistr));
   45: }
   46: