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   NAME
	TR_GETSYSTIME -- get the system time.

   FUNCTION
	Ask the system what time it is.  The system time starts off at
	zero at power on, but may be initialized via the TR_SETSYSTIME
	call.

	System time is monotonically increasing, and guaranteed to be
	unique (except when the system time is set backwards).

   TIMER REQUEST
	io_Message      mn_ReplyPort initialized
	io_Device       preset by timer in OpenDevice
	io_Unit         preset by timer in OpenDevice
	io_Command      TR_GETSYSTIME
	io_Flags        IOF_QUICK permitted

   RESULTS
	tr_time         a timeval structure with the current system
	                    time

   NOTES
	This function may be called from interrupts.

   SEE ALSO
	timer.device/TR_SETSYSTIME,
	timer.device/GetSysTime(),

   BUGS