void g(string &a,const string &b)
{
    cout<<"a address :"<<&a<<endl;
    cout<<"b address :"<<&b<<endl;
    
//    return a; 
}

string f()
{
}
int main()
{
    string input="I love you";
    int a=1;
 //   int b=2;
    cout<< "input address: "<<&input<<endl;
    const char *b="***";
    cout<<"b address: "<<&b<<endl;
    
    g(input,b);
    
//    g(input,input);
    
    getchar();
return 0;
}

1 string f();
2 string g(string & str);
3 
4  g(f());
5  g("abc");

 1 void g(int &a,const char &b)
 2 {
 3     cout<<"a address :"<<&a<<endl;
 4     cout<<"b address :"<<&b<<endl;
 5     
 6 //    return a; 
 7 }
 8 
 9 string f()
10 {
11 }
12 int main()
13 {
14 
15     int a=1;
16     int b=2;
17     cout<< "a address: "<<&a<<endl;
18     cout<<"b address: "<<&b<<endl;
19     
20     g(a,b);
21     
22 //    g(input,input);
23     
24     getchar();
25 return 0;
26 }