"%02u%02u%02u%02u%02u%02u",
time_val->year % 100, time_val->month, time_val->day,
time_val->hour, time_val->minute, time_val->second);
"%02u%02u%02u%02u%02u%02u",
time_val->year % 100, time_val->month, time_val->day,
time_val->hour, time_val->minute, time_val->second);