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//0xb8 bytes (sizeof)
struct _DEVICE_OBJECT
{
    SHORT Type;                                                             //0x0
    USHORT Size;                                                            //0x2
    LONG ReferenceCount;                                                    //0x4
    struct _DRIVER_OBJECT* DriverObject;                                    //0x8
    struct _DEVICE_OBJECT* NextDevice;                                      //0xc
    struct _DEVICE_OBJECT* AttachedDevice;                                  //0x10
    struct _IRP* CurrentIrp;                                                //0x14
    struct _IO_TIMER* Timer;                                                //0x18
    ULONG Flags;                                                            //0x1c
    ULONG Characteristics;                                                  //0x20
    struct _VPB* Vpb;                                                       //0x24
    VOID* DeviceExtension;                                                  //0x28
    ULONG DeviceType;                                                       //0x2c
    CHAR StackSize;                                                         //0x30
    union
    {
        struct _LIST_ENTRY ListEntry;                                       //0x34
        struct _WAIT_CONTEXT_BLOCK Wcb;                                     //0x34
    } Queue;                                                                //0x34
    ULONG AlignmentRequirement;                                             //0x5c
    struct _KDEVICE_QUEUE DeviceQueue;                                      //0x60
    struct _KDPC Dpc;                                                       //0x74
    ULONG ActiveThreadCount;                                                //0x94
    VOID* SecurityDescriptor;                                               //0x98
    struct _KEVENT DeviceLock;                                              //0x9c
    USHORT SectorSize;                                                      //0xac
    USHORT Spare1;                                                          //0xae
    struct _DEVOBJ_EXTENSION* DeviceObjectExtension;                        //0xb0
    VOID* Reserved;                                                         //0xb4
};