NET_BUFFER_DATA_OFFSET (Compact 2013)
3/26/2014
This is a macro that NDIS drivers use to get the current offset from the beginning of the data space to the start of the used data space in a NET_BUFFER structure.
Syntax
NET_BUFFER_DATA_OFFSET(_NB)
Parameters
- _NB
A pointer to a NET_BUFFER structure.
Return Value
NET_BUFFER_DATA_OFFSET returns the offset, in bytes, from the beginning of the data space to the start of the used data space of the indicated NET_BUFFER structure. This value also represents the size of the unused data space (available backfill).
Remarks
NET_BUFFER_DATA_OFFSET gets the return value from the DataOffset member of the NET_BUFFER structure.
Requirements
Header |
ndis.h |