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UID tech.root title ms.date targetos description prerelease req.assembly req.construct-type req.ddi-compliance req.dll req.header req.idl req.include-header req.irql req.kmdf-ver req.lib req.max-support req.namespace req.redist req.target-min-winverclnt req.target-min-winversvr req.target-type req.type-library req.umdf-ver req.unicode-ansi topic_type api_type api_location api_name f1_keywords dev_langs
NF:wdm.RtlRetrieveUlong
RtlRetrieveUlong
07/16/2021
Windows
Learn more about: RtlRetrieveUlong
false
function
wdm.h
See Remarks
Windows 2000
apiref
HeaderDef
wdm.h
RtlRetrieveUlong
RtlRetrieveUlong
wdm/RtlRetrieveUlong
c++

-description

The RtlRetrieveUlong macro retrieves a ULONG value from the source address, avoiding alignment faults. The destination address is assumed to be aligned.

-parameters

-param DEST_ADDRESS [out]

Pointer to a ULONG-aligned location in which to store the ULONG value.

-param SRC_ADDRESS [in]

Pointer to a location from which to retrieve the ULONG value.

-remarks

Callers of RtlRetrieveUlong can be running at any IRQL if the given addresses are in nonpaged pool. Otherwise, the caller must be running at IRQL <= APC_LEVEL.