文件名称:C之指针复杂解析
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int * (* (*fun) (int *)) [10]这是一个可能会让初学者感到头晕目眩,感到恐惧的函数指针的声明,在熟练掌握C/C++的声明语法之前,不学习一定的规则,想理解好这类复杂声明是比较困难的。
C/C++所有复杂的声明结构,都是由各种声明的嵌套构成的,如何理解复杂指针声明,右左法则是一个很著名,很有效的方法,不过,右左法则其实并不是C/C++标准里面的内容,它是从C/C++标准的声明规定中归纳出来的方法,C/C++标准声明规则,是用来解决如何创建声明的,而右左法则是用来解决如何辨识一个声明的,从嵌套的角度来看,两者可以说是一个相反的过程。(Int (* * (*fun) (int * [10])) this is a can let beginners feel dizzy, fear the function pointer statement before mastering the C/C++ statement syntax, not to learn certain rules, want to understand this kind of complex statement is more difficult.
C/C++ all the complex statement structure is composed of a variety of statements nested, how to understand the complex pointer, right left rule is a very famous and very effective method, however, the right left rule is not C/C++ standard of the content, it is summed up in Ming provisions from the C/C++ standard sound, C/C++ standard statement rules, is used to solve the problem of how to create a statement, while the right left rule is used to solve the problem of how to identify a statement, from a nested point of view, the two can be said to be an opposite process.)
C/C++所有复杂的声明结构,都是由各种声明的嵌套构成的,如何理解复杂指针声明,右左法则是一个很著名,很有效的方法,不过,右左法则其实并不是C/C++标准里面的内容,它是从C/C++标准的声明规定中归纳出来的方法,C/C++标准声明规则,是用来解决如何创建声明的,而右左法则是用来解决如何辨识一个声明的,从嵌套的角度来看,两者可以说是一个相反的过程。(Int (* * (*fun) (int * [10])) this is a can let beginners feel dizzy, fear the function pointer statement before mastering the C/C++ statement syntax, not to learn certain rules, want to understand this kind of complex statement is more difficult.
C/C++ all the complex statement structure is composed of a variety of statements nested, how to understand the complex pointer, right left rule is a very famous and very effective method, however, the right left rule is not C/C++ standard of the content, it is summed up in Ming provisions from the C/C++ standard sound, C/C++ standard statement rules, is used to solve the problem of how to create a statement, while the right left rule is used to solve the problem of how to identify a statement, from a nested point of view, the two can be said to be an opposite process.)
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C之指针复杂解析.doc
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