char replaceChar(char line[], char from, char to)
{
        for (int i = 0; i < strlen(line); i++)
        {
                if (line[i] == from)
                        line[i] = to;
        }

        return line;
}

void
replaceVowels(void)
{
        char *vowels = "AaEeIiOoUuÆeØøÅå";
        char *result = replaceChar(vowels, 'A', 'T');  
        printf("strlen av result %d\n", strlen(result));
        //printf("s\n", result);
}