_IO_IRP_EXT_TRACK_OFFSET_HEADER

//0x8 bytes (sizeof) struct _IO_IRP_EXT_TRACK_OFFSET_HEADER { USHORT Validation; //0x0 USHORT Flags; //0x2 VOID (*TrackedOffsetCallback)(struct _IO_IRP_EXT_TRACK_OFFSET_HEADER* arg1, struct _IO_IRP_EXT_TRACK_OFFSET_HEADER* arg2, LONGLONG arg3); //0x4 };