ALT_LIST_NODE_COLUMN **__thiscall list_find_atnum_sub_ABF42(ALT_LIST *this, ALT_LIST_ITER *Ret, int Index)
{
        int Size; // edx@1
        ALT_LIST_NODE *Iter; // ecx@2
        int v6; // eax@7
        ALT_LIST_NODE_COLUMN **result; // eax@9

        Size = this->_M_count;
        if ( Index == Size - 1 )
        {
                Iter = this->_M_node->_M_prev;  // end()-1
        }
        else
        {
                Iter = this->_M_node;
                if ( Index < Size )
                {
                        Iter = Iter->_M_next;
                        if ( Index <= 0 )
                        {
                                v6 = -Index;
                                if ( Index < 0 )
                                {
                                        do
                                        {
                                                --v6;
                                                Iter = Iter->_M_prev;
                                        }
                                        while ( v6 );
                                }
                        }
                        else
                        {
                                do
                                {
                                        --Index;
                                        Iter = Iter->_M_next;
                                }
                                while ( Index );
                        }
                }
        }
        result = Ret;
        Ret->_Ptr = Iter;
        return result;
}