#include <string.h>
#include <ctype.h>
#include <iostream>
 
using namespace std;
 
int Mayusculas(char *texto)
{
    int liCount;
 
    for(liCount=0;liCount<strlen(texto);liCount++)
    {
        texto[liCount] = (char)toupper(texto[liCount]);
    }
 
    return liCount;
}
 
int main ()
{
    char str[] = "Hello world";
    int length = Mayusculas(str);
    cout << '"' << str << '"' << ", " << length << " characters." << endl;
    return 0;
}

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