_FSINFOCLASS

//0x4 bytes (sizeof) enum _FSINFOCLASS { FileFsVolumeInformation = 1, FileFsLabelInformation = 2, FileFsSizeInformation = 3, FileFsDeviceInformation = 4, FileFsAttributeInformation = 5, FileFsControlInformation = 6, FileFsFullSizeInformation = 7, FileFsObjectIdInformation = 8, FileFsDriverPathInformation = 9, FileFsVolumeFlagsInformation = 10, FileFsSectorSizeInformation = 11, FileFsDataCopyInformation = 12, FileFsMetadataSizeInformation = 13, FileFsFullSizeInformationEx = 14, FileFsGuidInformation = 15, FileFsMaximumInformation = 16 };