struct _REQUEST_MAILBOX// Size=0x40
{
    struct _REQUEST_MAILBOX * Next;// Offset=0x0 Size=0x8
    unsigned long long RequestSummary;// Offset=0x8 Size=0x8
    struct _KREQUEST_PACKET RequestPacket;// Offset=0x10 Size=0x20
    long * NodeTargetCountAddr;// Offset=0x30 Size=0x8
    long NodeTargetCount;// Offset=0x38 Size=0x4
};