unsigned long long ntohll(unsigned long long val)
{
    if (__BYTE_ORDER == __LITTLE_ENDIAN)
    {
        return (((unsigned long long )htonl((int)((val << 32) >> 32))) << 32) | (unsigned int)htonl((int)(val >> 32));
    }
    else if (__BYTE_ORDER == __BIG_ENDIAN)
    {
        return val;
    }
}

unsigned long long htonll(unsigned long long val)
{
    if (__BYTE_ORDER == __LITTLE_ENDIAN)
    {
        return (((unsigned long long )htonl((int)((val << 32) >> 32))) << 32) | (unsigned int)htonl((int)(val >> 32));
    }
    else if (__BYTE_ORDER == __BIG_ENDIAN)
    {
        return val;
    }
}