rem: return sRealTimeData->boot_time + system_time() + sRealTimeData->timezone_offset;
add: return sRealTimeData->boot_time + system_time() - (sRealTimeData->isGMT ? 0 : sRealTimeData->timezone_offset);
context: real_time_clock_usecs(void){	// ToDo: implement me - they might be used directly from libroot/os/time.c	return sRealTimeData->boot_time + system_time() +		sRealTimeData->timezone_offset;}