// ntddmmc.h

typedef struct _FEATURE_DATA_RESERVED {
  FEATURE_HEADER Header;
  UCHAR          Data[0];
} FEATURE_DATA_RESERVED, *PFEATURE_DATA_RESERVED;
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Windows Driver Kit DDI reference (ns-ntddmmc-_feature_data_reserved)

_FEATURE_DATA_RESERVED structure

Description

The FEATURE_DATA_RESERVED structure holds information about an unspecified feature.

Members

`Header`

Contains a FEATURE_HEADER structure with header information for this feature descriptor.

`Data`

Contains an array describing unspecified feature structure members.

Remarks

You can use this structure to access the data of any feature structure as though it were a simple character array.

FEATURE_DATA_RESERVED - NtDoc