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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879#ifndef _KBDCLASS_PCH_#define _KBDCLASS_PCH_
#include <ntifs.h>#include <ntddkbd.h>
#define MAX_PATH 260
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define CLASS_TAG 'CdbK'#define DPFLTR_CLASS_NAME_ID DPFLTR_KBDCLASS_ID
typedef enum{ dsStopped, dsStarted, dsPaused, dsRemoved, dsSurpriseRemoved} PORT_DEVICE_STATE;
typedef struct _CLASS_DRIVER_EXTENSION{ UNICODE_STRING RegistryPath;
/* Registry settings */ ULONG ConnectMultiplePorts; ULONG DataQueueSize; UNICODE_STRING DeviceBaseName;
PDEVICE_OBJECT MainClassDeviceObject;} CLASS_DRIVER_EXTENSION, *PCLASS_DRIVER_EXTENSION;
typedef struct _COMMON_DEVICE_EXTENSION{ BOOLEAN IsClassDO;} COMMON_DEVICE_EXTENSION, *PCOMMON_DEVICE_EXTENSION;
typedef struct _PORT_DEVICE_EXTENSION{ COMMON_DEVICE_EXTENSION Common;
LIST_ENTRY ListEntry; PDEVICE_OBJECT DeviceObject; PORT_DEVICE_STATE PnpState; PDEVICE_OBJECT LowerDevice; PDEVICE_OBJECT ClassDO; HANDLE FileHandle; UNICODE_STRING InterfaceName;} PORT_DEVICE_EXTENSION, *PPORT_DEVICE_EXTENSION;
typedef struct _CLASS_DEVICE_EXTENSION{ COMMON_DEVICE_EXTENSION Common;
PCLASS_DRIVER_EXTENSION DriverExtension;
LIST_ENTRY ListHead; KSPIN_LOCK ListSpinLock; KSPIN_LOCK SpinLock; PIRP PendingIrp; SIZE_T InputCount; PKEYBOARD_INPUT_DATA PortData; LPCWSTR DeviceName;} CLASS_DEVICE_EXTENSION, *PCLASS_DEVICE_EXTENSION;
/* misc.c */
DRIVER_DISPATCH ForwardIrpAndForget;
NTSTATUSDuplicateUnicodeString( IN ULONG Flags, IN PCUNICODE_STRING SourceString, OUT PUNICODE_STRING DestinationString);
#endif /* _KBDCLASS_PCH_ */