#include <iostream>
#include <cstdlib>
using namespace std;
int func1(),func2(),func3();
int main(int argc,char * argv[])
{
_onexit(func2); //函数注册时入栈,调用时出栈
_onexit(func1);
_onexit(func3);
cout<<"First Line"<<endl;
cout<<"Second Line"<<endl;
}
int func1()
{
cout<<"fun1() is executed!"<<endl;
return 0;
}
int func2()
{
cout<<"fun2() is executed!"<<endl;
return 0;
}
int func3()
{
cout<<"fun3() is executed!"<<endl;
return 0;
}