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setcbrk()                Set Control-Break Setting

 #include   <dos.h>

 int        setcbrk(value);
 int        value;

    setcbrk() uses the MS-DOS system call 0x33 to set control-break
    checking 'on' or 'off'.  'value' of 0 turns checking off (check only
    during I/O to console, printer, or communications devices). 'value'
    of 1 turns checking on (check at every system call).

    Returns:    'value' is returned.