struct _VF_AVL_TREE// Size=0x40
{
    long Lock;// Offset=0x0 Size=0x4
    void * NodeToFree;// Offset=0x8 Size=0x8
    unsigned long long NodeRangeSize;// Offset=0x10 Size=0x8
    unsigned long long NodeCount;// Offset=0x18 Size=0x8
    struct _VF_AVL_TABLE * Tables;// Offset=0x20 Size=0x8
    unsigned long TablesNo;// Offset=0x28 Size=0x4
    union _unnamed_941 u1;// Offset=0x2c Size=0x4
};