有关指针的知识点不懂,求解答啊
若有定义int n=2,*p=&n,*q=p;则以下非法的赋值语句是()A.p=q; B.*p=*q; C.n=*q; D.p=n; 我想问的是p=q和*p=*q有何区别?
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