class parent {
public:
    char p;
    
    parent() {
        p = 'a';
    }
};

class child: public parent {
public:
    char c;
    
    child() {
        c = 'b';
    }
};

class other {
public:
    class parent *ptr;
};

int main() {
    other test;
    
    test.ptr = new child;
    printf("p: %c", test.ptr->c); /* 32 `class parent' has no  member named `c' */
    
    return 0;
}