NET_BUFFER_DATA_LENGTH macro (ndis/nblaccessors.h)

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)

See also

NET_BUFFER