long long rdbLoadMillisecondTime(rio *rdb, int rdbver) {
    int64_t t64;
    if (rioRead(rdb,&t64,8) == 0) return LLONG_MAX;
    if (rdbver >= 9) /* Check the top comment of this function. */
        memrev64ifbe(&t64); /* Convert in big endian if the system is BE. */
    return (long long)t64;
}
long long rdbLoadMillisecondTime(rio *rdb, int rdbver) {
    int64_t t64;
    if (rioRead(rdb,&t64,8) == 0) return LLONG_MAX;
    if (rdbver >= 9)  
        memrev64ifbe(&t64);  
    return (long long)t64;
}