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const int ival=100;
int *ptr=const_cast<int *>(&ival);
cout<<*ptr<<endl;
*ptr=99;
cout<<"*ptr:"<<*ptr<<endl;
cout<<"ival:"<<ival<<endl;
cout<<"ival Address:"<<&ival<<endl;
cout<<"*ptr Address:"<<ptr<<endl;
void print(int const * ptr)
{
cout << *ptr << endl;
}