## Physical Device Driver Reference

[prev][next][parent][TOC]

### ASYNC_GETDCBINFO (73h) - Query Device Control Block (DCB) Parameters

Category:
IOCTL_ASYNC (01h)
Function:
ASYNC_GETDCBINFO (73h)
Description:
Query Device Control Block (DCB) Parameters

Select an item:

    Description
    Parameter Packet Format
    Data Packet Format
    Returns
    Remarks

This function returns Device Control Block (DCB) information.