Question: What does the following statement mean? int * ptr = nullptr; ptr is an integer variable which will point to a pointer variable. ptr is

What does the following statement mean?
int *ptr = nullptr;
ptr is an integer variable which will point to a pointer variable.
ptr is a pointer variable which is initialized to point to nothing (nullptr).
The variable named ptr will store an integer value.
The variable named ptr will store an asterisk and an integer value.

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