What are VTABLE and VPTR?

Question

What are VTABLE and VPTR? In C++

Answer 1

To implement virtual functions, C++ uses a special form of late binding known as the virtual table. ... Each entry in this table is simply a function pointer that points to the most-derived function accessible by that class. Second, the compiler also adds a hidden pointer to the base class, which we will call *__vptr.
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