SYSTEM_FEATURE_CONFIGURATION_UPDATE - NtDoc

#ifndef _NTRTL_H

// private
typedef struct _SYSTEM_FEATURE_CONFIGURATION_UPDATE
{
    SYSTEM_FEATURE_CONFIGURATION_UPDATE_TYPE UpdateType;
    union
    {
        struct
        {
            RTL_FEATURE_CHANGE_STAMP PreviousChangeStamp;
            RTL_FEATURE_CONFIGURATION_TYPE ConfigurationType;
            ULONG UpdateCount;
            _Field_size_(UpdateCount) RTL_FEATURE_CONFIGURATION_UPDATE Updates[ANYSIZE_ARRAY];
        } Update;

        struct
        {
            RTL_FEATURE_CHANGE_STAMP PreviousChangeStamp;
            RTL_FEATURE_CONFIGURATION_TYPE ConfigurationType;
            SIZE_T BufferSize;
            PVOID Buffer;
        } Overwrite;
    };
} SYSTEM_FEATURE_CONFIGURATION_UPDATE, *PSYSTEM_FEATURE_CONFIGURATION_UPDATE;

#endif
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