union _unnamed_397// Size=0x40
{
    struct _unnamed_391 Read;// Offset=0x0 Size=0x8
    struct _unnamed_392 Write;// Offset=0x0 Size=0x4
    struct _unnamed_393 Event;// Offset=0x0 Size=0x4
    struct _unnamed_394 Notification;// Offset=0x0 Size=0x4
    struct _unnamed_395 LowPriWrite;// Offset=0x0 Size=0x1c
    struct _unnamed_396 AsyncRead;// Offset=0x0 Size=0x40
};