// File: strupr.cpp
// Demonstrate a function to uppercase a string

#include <iostream>
#include <string>
#include <stdlib.h>

using namespace std;

void strupr(string &s)
{for (int i=0;i<s.size();i++)
        s[i]=toupper(s[i]);
}

void main()
{string s1;
 cout << "Enter a string that contains lower case characters >";
 getline(cin,s1);
 strupr(s1);
 cout << "Result:" << s1 << endl;
}