NAME
        SendIO -- initiate an I/O command
   SYNOPSIS
        SendIO(iORequest)
               A1
        void SendIO(struct iorequest *);
   FUNCTION
        This function requests the device driver start processing the given
        I/O request.  The device will return control without waiting for
        the I/O to complete.
        The io_Flags field of the iorequest will be set to zero before the
        request is sent.  See beginio() for more details.
   INPUTS
        iORequest - pointer to an I/O request, or a device specific
                    extended iorequest.
   SEE ALSO
        doio(), checkio(), waitio(), abortio()