copy
//0x4 bytes (sizeof)
union _RTLP_HP_THREAD_CTX
{
    struct
    {
        UCHAR LegacyVirtualAffinity;                                        //0x0
        UCHAR CachedProcIndex;                                              //0x1
    };
    struct
    {
        USHORT LFHDataSlot;                                                 //0x2
    };
    ULONG EntireUlong;                                                      //0x0
};