一段有趣的函数

标签：c++   c语言   c   函数   指针   

#include<iostream>
using namespace std;
void a(){

	cout<<"a\n";
}
void b(){
	cout<<"b\n";
}
int c(int* val){
	cout<<"c  "<<val<<"  "<<*val<<endl;
	return *val;
}
void main()
{	
	
	cout<<"\n\nmain\n";

	cout<<"main函数地址 "<<main<<endl;
	cout<<"a函数地址 "<<a<<endl;
	cout<<"b函数地址 "<<b<<endl;
	cout<<"c函数地址 "<<c<<endl;
	int add;
	cout<<"输入需调用的函数地址:";

	cin>>hex>>add;

	int (*fun)();

	fun=(int (*)())add;

	cout<<"返回值 "<<fun()<<endl;


}

<img src="http://img.blog.csdn.net/20140615233008046?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvcWluZ2NodW53ZWlsaWFuZw==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast" alt="" />

一段有趣的函数,布布扣,bubuko.com

一段有趣的函数

标签：c++   c语言   c   函数   指针   

原文地址：http://blog.csdn.net/qingchunweiliang/article/details/31091045