typedef struct _OBJECT_HEADER
{
    __int64 PointerCount;
    union
    {
        __int64 HandleCount;
        void *NextToFree;
    };
    EX_PUSH_LOCK Lock;
    unsigned char TypeIndex;
    unsigned char TraceFlags;
    unsigned char InfoMask;
    unsigned char Flags;
    union
    {
        OBJECT_CREATE_INFORMATION *ObjectCreateInfo;
        void *QuotaBlockCharged;
    };
    void *SecurityDescriptor;
    QUAD Body;
} OBJECT_HEADER, *POBJECT_HEADER;