Only reinterpret_cast can be used to convert a pointer to an object to a pointer to an unrelated object type. The dynamic cast would fail at run-time, however on most compilers it will also fail to compile because there are no virtual functions in the class of the pointer being casted.
Foo* f = new Foo;
Bar* b1 = f;
Bar* b2 = static_cast<Bar*>(f);
Bar* b3 = dynamic_cast<Bar*>(f);
Bar* b4 = reinterpret_cast<Bar*>(f);
Bar* b5 = const_cast<Bar*>(f);
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