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X-Hacker.org- Programmers Reference 0.02b - <b>function 4406h (68-6) ioctl: get input status</b> http://www.X-Hacker.org [<<Previous Entry] [^^Up^^] [Next Entry>>] [Menu] [About The Guide]
Function 4406h (68-6)    IOCTL: Get Input Status

    Checks to see if the device or file is ready for input.

       On entry:      AH         44h
                      AL         06h
                      BX         Device or file handle

       Returns:
          (file)      AL         FFh      until EOF is reached
                                 00h      after EOF is reached

          (device)    AL         FFh      If device ready
                                 00h      If device not ready

  --------------------------------------------------------------------------

    This subfunction reports the input status of the device or file. AL
    returns FFh for ready and 00h for not ready (or end of file).

See Also: 44h 4407h

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