#include <iostream>
 
void toUpper( char array[] ); //or *array
 
int main()
{
    using std::cout;
    using std::endl;
 
    char array[6] = "Hello"; //by default it should append the null since I used double
    //quoteswhich indicates it is a string and is not an ordinary array
 
    toUpper( array );
 
    cout << array << endl;
}
 
void toUpper( char array[] )
{
    for( int i = 0; array[i]; ++i )
        array[i] = toupper(array[i]); //http://w...content-available-to-author-only...s.com/reference/cctype/toupper/?kw=toupper
}

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