bas7qck.hlp (Table of Contents; Topic list)
IOCTL Statement
  Syntax  Details  Example                 Contents  Index  Back
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IOCTL [#]filenumber%, string$
 
    ■ filenumber%   The BASIC file number used to open the device.
    ■ string$       The command sent to the device.
 
    ■ Commands are specific to the device driver. See the device driver
      documentation for a description of the valid IOCTL commands.
 
See Also    IOCTL$