## Physical Device Driver Reference

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### ASYNC_STOPTRANSMIT (47h) - Behave as if XOFF Received

Category:
IOCTL_ASYNC (01h)
Function:
ASYNC_STOPTRANSMIT (47h)
Description:
Behave as if XOFF Received

Select an item:

    Description
    Parameter Packet Format
    Data Packet Format
    Returns
    Remarks

This function behaves as if an XOFF was received (stops transmitting).