copy
//0x18 bytes (sizeof)
struct _KAPC_STATE
{
    struct _LIST_ENTRY ApcListHead[2];                                      //0x0
    struct _KPROCESS* Process;                                              //0x10
    union
    {
        UCHAR InProgressFlags;                                              //0x14
        struct
        {
            UCHAR KernelApcInProgress:1;                                    //0x14
            UCHAR SpecialApcInProgress:1;                                   //0x14
        };
    };
    UCHAR KernelApcPending;                                                 //0x15
    union
    {
        UCHAR UserApcPendingAll;                                            //0x16
        struct
        {
            UCHAR SpecialUserApcPending:1;                                  //0x16
            UCHAR UserApcPending:1;                                         //0x16
        };
    };
};