Why does the pointer have the difference between the type structure alias LNode and *LinkList; pointer == NULL; c++ new structure returns a pointer; what is a null pointer; what is NULL; NULL and 0;

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Origin blog.csdn.net/qq_38998213/article/details/108700291

Why does the pointer have the difference between the type structure alias LNode and *LinkList; pointer == NULL; c++ new structure returns a pointer; what is a null pointer; what is NULL; NULL and 0;

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