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pointer to a function

Translation of "pointer to a function" in Chinese

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函数指针

How do you use a pointer to a function?

怎样声明指向数组的指针？

pointer to a function

指向函数的指针

For example, if myFunc is a pointer to a function, the corresponding function can be called either by writing myFunc() or (*myFunc)().

这样一来，凡是出现数组，函数的地方都可以用一个指针变量来表示，只要该指针变量中赋予数组或函数的首地址即可。

AddDevice is a pointer to a function within the driver that creates device objects; this function is rather a big deal, and I'll discuss it at length in the section" The AddDevice Routine" later in this chapter.

）加设备是在驱动里面的一个函数指示器，它创建设备对象；这个函数相当重要，在本章稍后的"添加设备程序"一节中的最后，我将讨论它。

To declare a pointer to a function, specify the "pointer to a function" type, for example

若要声明函数指针，指定"函数指针" 类型，例如：

To declare a pointer to a function, specify the "pointer to a function" type, for example

添加支持函数指针来简化事件模式的安排。若要声明一个函数指针，请指定"函数指针"类型，例如：

Hence, a pointer to a function is a functor an object that can be used in place of a function name in function call syntax. On the other hand, because a reference is not an object, a reference to a function is not a functor.

函数不能返回另一个函数或者内置数组类型，但可以返回指向函数的指针 ，（或指向数组元素的指针的指针。）函数的形参可以为空，但不能省略。