指针入门

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• & produces the address of its operand.

　　　　For example,the following statements an integer variable ‘a‘ and a pointer to an integer variable ‘p‘ are declared.Then the address of the variable a is determined with the & operator and is assigned to the pointer variable.

1 int a, *p;
2 p = &a;

• * is the indirection operator and is used with pointers to access the value being pointed to.

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指针入门

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原文地址：http://www.cnblogs.com/listened/p/3785638.html