FIELD_OFFSET macro (miniport.h)
The FIELD_OFFSET macro returns the byte offset of a named field in a known structure type.
Syntax
void FIELD_OFFSET(
type,
field
);
Parameters
type
Specifies the name of a known structure type containing Field.
field
Specifies the name of a field in a structure of type Type.
Return value
None
Remarks
Returns the byte offset of the caller supplied Field in the Type structure.
Used by device driver writers to symbolically determine the offset of a known field in a known structure type.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available starting with Windows 2000. |
| Target Platform | Desktop |
| Header | miniport.h (include Wdm.h, Ntddk.h, Miniport.h, Minitape.h, Scsi.h, Storport.h) |
| IRQL | Any level |