// nblaccessors.h

#define NET_BUFFER_LIST_CONTEXT_DATA_SIZE(_NBL) (((_NBL)->Context)->Size)
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Windows Driver Kit DDI reference (nf-nblaccessors-net_buffer_list_context_data_size)

Description

NET_BUFFER_LIST_CONTEXT_DATA_SIZE is a macro that NDIS drivers use to get the size of the NET_BUFFER_LIST_CONTEXT data buffer that is associated with a NET_BUFFER_LIST structure.

Syntax

#define NET_BUFFER_LIST_CONTEXT_DATA_SIZE(_NBL) (((_NBL)->Context)->Size)

Parameters

`_NBL`

A pointer to a NET_BUFFER_LIST structure.

Return value

NET_BUFFER_LIST_CONTEXT_DATA_SIZE returns the size, in bytes, of the NET_BUFFER_LIST_CONTEXT data buffer that is associated with the indicated NET_BUFFER_LIST structure.

Remarks

NET_BUFFER_LIST_CONTEXT_DATA_SIZE gets the return value from the Size member of the first NET_BUFFER_LIST_CONTEXT structure.

NET_BUFFER_LIST_CONTEXT_DATA_SIZE - NtDoc