int f(const void *a, const void *b, size_t c)
    {
        auto d = (char *)a;
        auto e = (char *)b;
        for (size_t g = 0; g < c; g = g + 1)
        {
            if (*d > *e){
                return 1;
            }
            else if (*d < *e){
                return -1;
            }
            d = d + 1;
            e = e + 1;
        }
        return 0;
    }