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NET_BUFFER_DATA_LENGTH is a macro that NDIS drivers use to get the amount of used data space in a NET_BUFFER structure.
Syntax
#define NET_BUFFER_DATA_LENGTH(_NB) ((_NB)->DataLength)
Parameters
_NB
A pointer to a NET_BUFFER structure.
Return value
NET_BUFFER_DATA_LENGTH returns the amount of used data space in a NET_BUFFER structure.
Remarks
NET_BUFFER_DATA_LENGTH gets the return value from the DataLength member of the NET_BUFFER structure.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Supported in NDIS 6.0 and later. |
| Target Platform | Universal |
| Header | ndis/nblaccessors.h (include ndis.h) |