Your code is incorrect, you cannot manipulate an array that way, see
error produced:

: operator + cannot be applied to char[],int
     foo = foo + 1;
            ^

Rafael Tolosana wrote:

> I will try it with two simple examples:
>
> First have a look at this Java code:
> String foo = new String("Example String");
> String foo2 = foo;
>
> Now have a look at this C code:
> char[] foo = "Example String";
> char[] foo2 = foo;
> foo = foo + 1;
>
> In the first example we have two references to the same object String,
> but you cannot manipulate the memory address of the references. On the
> other hand, in the second example we have two pointers to the same
> memory zone and the foo variable has been incremented by one, so that
> it will point to "xample String".
>
> I hope this will help you understand
>
> Rafa

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