#include <iostream>
using namespace std;
 
int main()
{
    char * str = "qwerty";
    char * ptr = str;//Запомнили начальный адрес строки
    cout<<"str : "<<str<<"\t(adr : "<<&str<<")"<<endl;
    cout<<"ptr : "<<ptr<<"\t(adr : "<<&ptr<<")"<<endl;
    str += 2;
    cout<<"str : "<<str<<"\t(adr : "<<&str<<")"<<endl;
    cout<<"ptr : "<<ptr<<"\t(adr : "<<&ptr<<")"<<endl;
    system("pause");
    return 0;
}

cc1plus: warnings being treated as errors
In function 'int main()':
Line 6: warning: deprecated conversion from string constant to 'char*''