* include/winioctl.h: Clean up formatting.
	(RETRIEVAL_POINTERS_BUFFER): Add fields to Extents[1] struct.
	(CREATE_DISK): Add _ANONYMOUS_UNION macro.
	(DISK_CACHE_INFORMATION): Likewise.
	(DISK_DETECTION_INFO): Likewise.
	(DISK_PARTITION_INFO): Likewise.
	(PARTITION_INFORMATION_EX): Likewise.
	(DRIVE_LAYOUT_INFORMATION_EX): Likewise.

2003-04-26  Casper S. Hornstrup  <chorns@users.sourceforge.net>

	* include/winbase.h (DeleteVolumeMountPoint[AW],
	FindFirstVolumeMountPoint[AW], FindNextVolumeMountPoint[AW],
	FindVolumeMountPointClose, GetVolumeNameForVolumeMountPoint[AW],
	GetVolumePathName[AW], GetVolumePathNamesForVolumeName[AW],
	SetVolumeMountPoint[AW]): Add prototypes.
	* include/winioctl.h (IOCTL_DISK_GET_PARTITION_INFO_EX,
	IOCTL_DISK_SET_PARTITION_INFO_EX,
	IOCTL_DISK_GET_DRIVE_LAYOUT_EX,
	IOCTL_DISK_SET_DRIVE_LAYOUT_EX, IOCTL_DISK_CREATE_DISK,
	IOCTL_DISK_GET_LENGTH_INFO, IOCTL_DISK_PERFORMANCE_OFF,
	IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, IOCTL_DISK_GROW_PARTITION,
	IOCTL_DISK_GET_CACHE_INFORMATION,
	IOCTL_DISK_SET_CACHE_INFORMATION,
	IOCTL_DISK_DELETE_DRIVE_LAYOUT, IOCTL_DISK_UPDATE_PROPERTIES,
	FSCTL_GET_VOLUME_BITMAP, FSCTL_GET_RETRIEVAL_POINTERS,
	FSCTL_MOVE_FILE): Define.
	(CREATE_DISK_GPT, CREATE_DISK_MBR, CREATE_DISK,
	DISK_CACHE_INFORMATION,
	DETECTION_TYPE, DISK_INT13_INFO, DISK_EX_INT13_INFO,
	DISK_DETECTION_INFO, DISK_GEOMETRY_EX, DISK_GROW_PARTITION,
	DISK_PARTITION_INFO, DISKQUOTA_USER_INFORMATION,
	GET_LENGTH_INFORMATION, DISK_EXTENT, VOLUME_DISK_EXTENTS,
	DRIVE_LAYOUT_INFORMATION_GPT, DRIVE_LAYOUT_INFORMATION_MBR,
	PARTITION_INFORMATION_MBR, PARTITION_INFORMATION_GPT,
	PARTITION_INFORMATION_EX, DRIVE_LAYOUT_INFORMATION_EX,
	MOVE_FILE_DATA,
	RETRIEVAL_POINTERS_BUFFER, STARTING_LCN_INPUT_BUFFER,
	STARTING_VCN_INPUT_BUFFER, VOLUME_BITMAP_BUFFER): Add structs
	(PARTITION_STYLE, DISK_CACHE_RETENTION_PRIORITY): Add enums.
	(MEDIA_TYPE): Add F3_120M_512, F3_640_512, F5_640_512,
	F5_720_512,
	F3_1Pt2_512, F3_1Pt23_1024, F5_1Pt23_1024, F3_128Mb_512,
	F3_230Mb_512,
	F8_256_128, F3_200Mb_512, F3_240M_512, and F3_32M_512.
	* lib/kernel32.def (GetVolumePathNamesForVolumeName[AW]): Add
	stubs.
This commit is contained in:
Danny Smith
2003-04-26 08:31:29 +00:00
parent f615d74b72
commit d9d35a454b
4 changed files with 378 additions and 78 deletions

View File

@ -47,6 +47,19 @@ extern "C" {
#define IOCTL_DISK_HISTOGRAM_RESET CTL_CODE(IOCTL_DISK_BASE,14,METHOD_BUFFERED,FILE_ANY_ACCESS)
#define IOCTL_DISK_REQUEST_STRUCTURE CTL_CODE(IOCTL_DISK_BASE,15,METHOD_BUFFERED,FILE_ANY_ACCESS)
#define IOCTL_DISK_REQUEST_DATA CTL_CODE(IOCTL_DISK_BASE,16,METHOD_BUFFERED,FILE_ANY_ACCESS)
#define IOCTL_DISK_GET_PARTITION_INFO_EX CTL_CODE(IOCTL_DISK_BASE,0x12,METHOD_BUFFERED,FILE_ANY_ACCESS)
#define IOCTL_DISK_SET_PARTITION_INFO_EX CTL_CODE(IOCTL_DISK_BASE,0x13,METHOD_BUFFERED,FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_GET_DRIVE_LAYOUT_EX CTL_CODE(IOCTL_DISK_BASE,0x14,METHOD_BUFFERED,FILE_ANY_ACCESS)
#define IOCTL_DISK_SET_DRIVE_LAYOUT_EX CTL_CODE(IOCTL_DISK_BASE,0x15,METHOD_BUFFERED,FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_CREATE_DISK CTL_CODE(IOCTL_DISK_BASE,0x16,METHOD_BUFFERED,FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_GET_LENGTH_INFO CTL_CODE(IOCTL_DISK_BASE,0x17,METHOD_BUFFERED,FILE_READ_ACCESS)
#define IOCTL_DISK_PERFORMANCE_OFF CTL_CODE(IOCTL_DISK_BASE,0x18,METHOD_BUFFERED,FILE_ANY_ACCESS)
#define IOCTL_DISK_GET_DRIVE_GEOMETRY_EX CTL_CODE(IOCTL_DISK_BASE,0x28,METHOD_BUFFERED,FILE_ANY_ACCESS)
#define IOCTL_DISK_GROW_PARTITION CTL_CODE(IOCTL_DISK_BASE,0x34,METHOD_BUFFERED,FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_GET_CACHE_INFORMATION CTL_CODE(IOCTL_DISK_BASE,0x35,METHOD_BUFFERED,FILE_READ_ACCESS)
#define IOCTL_DISK_SET_CACHE_INFORMATION CTL_CODE(IOCTL_DISK_BASE,0x36,METHOD_BUFFERED,FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_DELETE_DRIVE_LAYOUT CTL_CODE(IOCTL_DISK_BASE,0x40,METHOD_BUFFERED,FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_UPDATE_PROPERTIES CTL_CODE(IOCTL_DISK_BASE,0x50,METHOD_BUFFERED,FILE_ANY_ACCESS)
#define IOCTL_DISK_CHECK_VERIFY CTL_CODE(IOCTL_DISK_BASE,0x200,METHOD_BUFFERED,FILE_READ_ACCESS)
#define IOCTL_DISK_MEDIA_REMOVAL CTL_CODE(IOCTL_DISK_BASE,0x201,METHOD_BUFFERED,FILE_READ_ACCESS)
#define IOCTL_DISK_EJECT_MEDIA CTL_CODE(IOCTL_DISK_BASE,0x202,METHOD_BUFFERED,FILE_READ_ACCESS)
@ -66,6 +79,9 @@ extern "C" {
#define FSCTL_SET_COMPRESSION CTL_CODE(FILE_DEVICE_FILE_SYSTEM,16,METHOD_BUFFERED,FILE_READ_DATA|FILE_WRITE_DATA)
#define FSCTL_READ_COMPRESSION CTL_CODE(FILE_DEVICE_FILE_SYSTEM,17,METHOD_NEITHER,FILE_READ_DATA)
#define FSCTL_WRITE_COMPRESSION CTL_CODE(FILE_DEVICE_FILE_SYSTEM,18,METHOD_NEITHER,FILE_WRITE_DATA)
#define FSCTL_GET_VOLUME_BITMAP CTL_CODE(FILE_DEVICE_FILE_SYSTEM,27,METHOD_NEITHER,FILE_ANY_ACCESS)
#define FSCTL_GET_RETRIEVAL_POINTERS CTL_CODE(FILE_DEVICE_FILE_SYSTEM,28,METHOD_NEITHER,FILE_ANY_ACCESS)
#define FSCTL_MOVE_FILE CTL_CODE(FILE_DEVICE_FILE_SYSTEM,29,METHOD_BUFFERED,FILE_ANY_ACCESS)
#define FSCTL_GET_REPARSE_POINT CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 42, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define FSCTL_SET_REPARSE_POINT CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 41, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define FSCTL_DELETE_REPARSE_POINT CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 43, METHOD_BUFFERED, FILE_ANY_ACCESS)
@ -175,28 +191,138 @@ typedef struct _BIN_RESULTS {
DWORD NumberOfBins;
BIN_COUNT BinCounts[1];
} BIN_RESULTS,*PBIN_RESULTS;
typedef enum _PARTITION_STYLE {
PARTITION_STYLE_MBR,
PARTITION_STYLE_GPT,
PARTITION_STYLE_RAW
} PARTITION_STYLE;
typedef struct {
GUID DiskId;
DWORD MaxPartitionCount;
} CREATE_DISK_GPT,*PCREATE_DISK_GPT;
typedef struct {
DWORD Signature;
} CREATE_DISK_MBR,*PCREATE_DISK_MBR;
typedef struct {
PARTITION_STYLE PartitionStyle;
_ANONYMOUS_UNION union {
CREATE_DISK_MBR Mbr;
CREATE_DISK_GPT Gpt;
};
} CREATE_DISK,*PCREATE_DISK;
typedef enum {
EqualPriority,
KeepPrefetchedData,
KeepReadData
} DISK_CACHE_RETENTION_PRIORITY;
typedef struct _DISK_CACHE_INFORMATION {
BOOLEAN ParametersSavable;
BOOLEAN ReadCacheEnabled;
BOOLEAN WriteCacheEnabled;
DISK_CACHE_RETENTION_PRIORITY ReadRetentionPriority;
DISK_CACHE_RETENTION_PRIORITY WriteRetentionPriority;
WORD DisablePrefetchTransferLength;
BOOLEAN PrefetchScalar;
_ANONYMOUS_UNION union {
struct {
WORD Minimum;
WORD Maximum;
WORD MaximumBlocks;
} ScalarPrefetch;
struct {
WORD Minimum;
WORD Maximum;
} BlockPrefetch;
};
} DISK_CACHE_INFORMATION,*PDISK_CACHE_INFORMATION;
typedef enum _DETECTION_TYPE {
DetectNone,
DetectInt13,
DetectExInt13
} DETECTION_TYPE;
typedef struct _DISK_INT13_INFO {
WORD DriveSelect;
DWORD MaxCylinders;
WORD SectorsPerTrack;
WORD MaxHeads;
WORD NumberDrives;
} DISK_INT13_INFO,*PDISK_INT13_INFO;
typedef struct _DISK_EX_INT13_INFO {
WORD ExBufferSize;
WORD ExFlags;
DWORD ExCylinders;
DWORD ExHeads;
DWORD ExSectorsPerTrack;
DWORD64 ExSectorsPerDrive;
WORD ExSectorSize;
WORD ExReserved;
} DISK_EX_INT13_INFO,*PDISK_EX_INT13_INFO;
typedef struct _DISK_DETECTION_INFO {
DWORD SizeOfDetectInfo;
DETECTION_TYPE DetectionType;
_ANONYMOUS_UNION union {
_ANONYMOUS_STRUCT struct {
DISK_INT13_INFO Int13;
DISK_EX_INT13_INFO ExInt13;
};
};
} DISK_DETECTION_INFO,*PDISK_DETECTION_INFO;
typedef enum _MEDIA_TYPE {
Unknown,
F5_1Pt2_512,
F3_1Pt44_512,
F3_2Pt88_512,
F3_20Pt8_512,
F3_720_512,
F5_360_512,
F5_320_512,
F5_320_1024,
F5_180_512,
F5_160_512,
RemovableMedia,
FixedMedia
} MEDIA_TYPE, *PMEDIA_TYPE ;
Unknown,
F5_1Pt2_512,
F3_1Pt44_512,
F3_2Pt88_512,
F3_20Pt8_512,
F3_720_512,
F5_360_512,
F5_320_512,
F5_320_1024,
F5_180_512,
F5_160_512,
RemovableMedia,
FixedMedia,
F3_120M_512,
F3_640_512,
F5_640_512,
F5_720_512,
F3_1Pt2_512,
F3_1Pt23_1024,
F5_1Pt23_1024,
F3_128Mb_512,
F3_230Mb_512,
F8_256_128,
F3_200Mb_512,
F3_240M_512,
F3_32M_512
} MEDIA_TYPE,*PMEDIA_TYPE;
typedef struct _DISK_GEOMETRY {
LARGE_INTEGER Cylinders;
MEDIA_TYPE MediaType;
DWORD TracksPerCylinder;
DWORD SectorsPerTrack;
DWORD BytesPerSector;
} DISK_GEOMETRY, *PDISK_GEOMETRY;
LARGE_INTEGER Cylinders;
MEDIA_TYPE MediaType;
DWORD TracksPerCylinder;
DWORD SectorsPerTrack;
DWORD BytesPerSector;
} DISK_GEOMETRY,*PDISK_GEOMETRY;
typedef struct _DISK_GEOMETRY_EX {
DISK_GEOMETRY Geometry;
LARGE_INTEGER DiskSize;
BYTE Data[1];
} DISK_GEOMETRY_EX,*PDISK_GEOMETRY_EX;
typedef struct _DISK_GROW_PARTITION {
DWORD PartitionNumber;
LARGE_INTEGER BytesToGrow;
} DISK_GROW_PARTITION, *PDISK_GROW_PARTITION;
typedef struct _DISK_PARTITION_INFO {
DWORD SizeOfPartitionInfo;
PARTITION_STYLE PartitionStyle;
_ANONYMOUS_UNION union {
struct {
DWORD Signature;
} Mbr;
struct {
GUID DiskId;
} Gpt;
};
} DISK_PARTITION_INFO,*PDISK_PARTITION_INFO;
typedef struct _DISK_PERFORMANCE {
LARGE_INTEGER BytesRead;
LARGE_INTEGER BytesWritten;
@ -207,88 +333,171 @@ typedef struct _DISK_PERFORMANCE {
DWORD QueueDepth;
} DISK_PERFORMANCE, *PDISK_PERFORMANCE;
typedef struct _DISK_RECORD {
LARGE_INTEGER ByteOffset;
LARGE_INTEGER StartTime;
LARGE_INTEGER EndTime;
PVOID VirtualAddress;
DWORD NumberOfBytes;
BYTE DeviceNumber;
BOOLEAN ReadRequest;
LARGE_INTEGER ByteOffset;
LARGE_INTEGER StartTime;
LARGE_INTEGER EndTime;
PVOID VirtualAddress;
DWORD NumberOfBytes;
BYTE DeviceNumber;
BOOLEAN ReadRequest;
} DISK_RECORD,*PDISK_RECORD;
typedef struct _DISK_LOGGING {
BYTE Function;
PVOID BufferAddress;
DWORD BufferSize;
BYTE Function;
PVOID BufferAddress;
DWORD BufferSize;
} DISK_LOGGING,*PDISK_LOGGING;
typedef struct DiskQuotaUserInformation {
LONGLONG QuotaUsed;
LONGLONG QuotaThreshold;
LONGLONG QuotaLimit;
} DISKQUOTA_USER_INFORMATION,*PDISKQUOTA_USER_INFORMATION;
typedef struct _FORMAT_PARAMETERS {
MEDIA_TYPE MediaType;
DWORD StartCylinderNumber;
DWORD EndCylinderNumber;
DWORD StartHeadNumber;
DWORD EndHeadNumber;
MEDIA_TYPE MediaType;
DWORD StartCylinderNumber;
DWORD EndCylinderNumber;
DWORD StartHeadNumber;
DWORD EndHeadNumber;
} FORMAT_PARAMETERS,*PFORMAT_PARAMETERS;
typedef struct _FORMAT_EX_PARAMETERS {
MEDIA_TYPE MediaType;
DWORD StartCylinderNumber;
DWORD EndCylinderNumber;
DWORD StartHeadNumber;
DWORD EndHeadNumber;
WORD FormatGapLength;
WORD SectorsPerTrack;
WORD SectorNumber[1];
MEDIA_TYPE MediaType;
DWORD StartCylinderNumber;
DWORD EndCylinderNumber;
DWORD StartHeadNumber;
DWORD EndHeadNumber;
WORD FormatGapLength;
WORD SectorsPerTrack;
WORD SectorNumber[1];
} FORMAT_EX_PARAMETERS,*PFORMAT_EX_PARAMETERS;
typedef struct {
LARGE_INTEGER Length;
} GET_LENGTH_INFORMATION;
typedef struct _HISTOGRAM_BUCKET {
DWORD Reads;
DWORD Writes;
DWORD Reads;
DWORD Writes;
} HISTOGRAM_BUCKET,*PHISTOGRAM_BUCKET;
typedef struct _DISK_HISTOGRAM {
LARGE_INTEGER DiskSize;
LARGE_INTEGER Start;
LARGE_INTEGER End;
LARGE_INTEGER Average;
LARGE_INTEGER AverageRead;
LARGE_INTEGER AverageWrite;
DWORD Granularity;
DWORD Size;
DWORD ReadCount;
DWORD WriteCount;
PHISTOGRAM_BUCKET Histogram;
LARGE_INTEGER DiskSize;
LARGE_INTEGER Start;
LARGE_INTEGER End;
LARGE_INTEGER Average;
LARGE_INTEGER AverageRead;
LARGE_INTEGER AverageWrite;
DWORD Granularity;
DWORD Size;
DWORD ReadCount;
DWORD WriteCount;
PHISTOGRAM_BUCKET Histogram;
} DISK_HISTOGRAM,*PDISK_HISTOGRAM;
typedef struct _DISK_EXTENT {
DWORD DiskNumber;
LARGE_INTEGER StartingOffset;
LARGE_INTEGER ExtentLength;
} DISK_EXTENT,*PDISK_EXTENT;
typedef struct _VOLUME_DISK_EXTENTS {
DWORD NumberOfDiskExtents;
DISK_EXTENT Extents[1];
} VOLUME_DISK_EXTENTS,*PVOLUME_DISK_EXTENTS;
typedef struct _PARTITION_INFORMATION {
LARGE_INTEGER StartingOffset;
LARGE_INTEGER PartitionLength;
DWORD HiddenSectors;
DWORD PartitionNumber;
BYTE PartitionType;
BOOLEAN BootIndicator;
BOOLEAN RecognizedPartition;
BOOLEAN RewritePartition;
LARGE_INTEGER StartingOffset;
LARGE_INTEGER PartitionLength;
DWORD HiddenSectors;
DWORD PartitionNumber;
BYTE PartitionType;
BOOLEAN BootIndicator;
BOOLEAN RecognizedPartition;
BOOLEAN RewritePartition;
} PARTITION_INFORMATION,*PPARTITION_INFORMATION;
typedef struct _DRIVE_LAYOUT_INFORMATION {
DWORD PartitionCount;
DWORD Signature;
PARTITION_INFORMATION PartitionEntry[1];
DWORD PartitionCount;
DWORD Signature;
PARTITION_INFORMATION PartitionEntry[1];
} DRIVE_LAYOUT_INFORMATION, *PDRIVE_LAYOUT_INFORMATION;
typedef struct _DRIVE_LAYOUT_INFORMATION_GPT {
GUID DiskId;
LARGE_INTEGER StartingUsableOffset;
LARGE_INTEGER UsableLength;
ULONG MaxPartitionCount;
} DRIVE_LAYOUT_INFORMATION_GPT,*PDRIVE_LAYOUT_INFORMATION_GPT;
typedef struct _DRIVE_LAYOUT_INFORMATION_MBR {
ULONG Signature;
} DRIVE_LAYOUT_INFORMATION_MBR, *PDRIVE_LAYOUT_INFORMATION_MBR;
typedef struct _PARTITION_INFORMATION_MBR {
BYTE PartitionType;
BOOLEAN BootIndicator;
BOOLEAN RecognizedPartition;
DWORD HiddenSectors;
} PARTITION_INFORMATION_MBR;
typedef struct _PARTITION_INFORMATION_GPT {
GUID PartitionType;
GUID PartitionId;
DWORD64 Attributes;
WCHAR Name[36];
} PARTITION_INFORMATION_GPT;
typedef struct _PARTITION_INFORMATION_EX {
PARTITION_STYLE PartitionStyle;
LARGE_INTEGER StartingOffset;
LARGE_INTEGER PartitionLength;
DWORD PartitionNumber;
BOOLEAN RewritePartition;
_ANONYMOUS_UNION union {
PARTITION_INFORMATION_MBR Mbr;
PARTITION_INFORMATION_GPT Gpt;
};
} PARTITION_INFORMATION_EX;
typedef struct _DRIVE_LAYOUT_INFORMATION_EX {
DWORD PartitionStyle;
DWORD PartitionCount;
_ANONYMOUS_UNION union {
DRIVE_LAYOUT_INFORMATION_MBR Mbr;
DRIVE_LAYOUT_INFORMATION_GPT Gpt;
};
PARTITION_INFORMATION_EX PartitionEntry[1];
} DRIVE_LAYOUT_INFORMATION_EX,*PDRIVE_LAYOUT_INFORMATION_EX;
typedef struct {
HANDLE FileHandle;
LARGE_INTEGER StartingVcn;
LARGE_INTEGER StartingLcn;
DWORD ClusterCount;
} MOVE_FILE_DATA,*PMOVE_FILE_DATA;
typedef struct _PERF_BIN {
DWORD NumberOfBins;
DWORD TypeOfBin;
BIN_RANGE BinsRanges[1];
DWORD NumberOfBins;
DWORD TypeOfBin;
BIN_RANGE BinsRanges[1];
} PERF_BIN,*PPERF_BIN;
typedef struct _PREVENT_MEDIA_REMOVAL {
BOOLEAN PreventMediaRemoval;
BOOLEAN PreventMediaRemoval;
} PREVENT_MEDIA_REMOVAL,*PPREVENT_MEDIA_REMOVAL;
typedef struct RETRIEVAL_POINTERS_BUFFER {
DWORD ExtentCount;
LARGE_INTEGER StartingVcn;
struct {
LARGE_INTEGER NextVcn;
LARGE_INTEGER Lcn;
} Extents[1];
} RETRIEVAL_POINTERS_BUFFER,*PRETRIEVAL_POINTERS_BUFFER;
typedef struct _REASSIGN_BLOCKS {
WORD Reserved;
WORD Count;
DWORD BlockNumber[1];
WORD Reserved;
WORD Count;
DWORD BlockNumber[1];
} REASSIGN_BLOCKS,*PREASSIGN_BLOCKS;
typedef struct _SET_PARTITION_INFORMATION {
BYTE PartitionType;
BYTE PartitionType;
} SET_PARTITION_INFORMATION,*PSET_PARTITION_INFORMATION;
typedef struct {
LARGE_INTEGER StartingLcn;
} STARTING_LCN_INPUT_BUFFER,*PSTARTING_LCN_INPUT_BUFFER;
typedef struct {
LARGE_INTEGER StartingVcn;
} STARTING_VCN_INPUT_BUFFER,*PSTARTING_VCN_INPUT_BUFFER;
typedef struct _VERIFY_INFORMATION {
LARGE_INTEGER StartingOffset;
DWORD Length;
LARGE_INTEGER StartingOffset;
DWORD Length;
} VERIFY_INFORMATION,*PVERIFY_INFORMATION;
typedef struct {
LARGE_INTEGER StartingLcn;
LARGE_INTEGER BitmapSize;
BYTE Buffer[1];
} VOLUME_BITMAP_BUFFER,*PVOLUME_BITMAP_BUFFER;
#define IsRecognizedPartition(t)\
(((t&PARTITION_NTFT)&&((t&~VALID_NTFT)==PARTITION_FAT_12))||\
((t&PARTITION_NTFT)&&((t&~VALID_NTFT)==PARTITION_FAT_16))||\