int comp(const void *a, const void *b)
{
    char* aa = *(char**) a;
    char* bb = *(char**) b;

    int count_c1 = 0;
    int count_c2 = 0;

    char *caa = aa;
    char* cbb = bb;

    while (*caa++)
        count_c1 += (int)(*caa);

    while (*cbb++)
        count_c2 += (int)(*cbb);

    if (count_c1 > count_c2)
        return 1;
    else if (count_c1 < count_c2)
        return -1;
    else
        return 0;
}