NAME
	TR_ADDREQUEST -- Submit a request to wait a period of time.

   FUNCTION
	Ask the timer to wait a specified amount of time before
	replying the timerequest.

	The message may be forced to finish early with an
	AbortIO()/WaitIO() pair.

   TIMER REQUEST
	io_Message      mn_ReplyPort initialized
	io_Device       preset by timer in OpenDevice
	io_Unit         preset by timer in OpenDevice
	io_Command      TR_ADDREQUEST
	io_Flags        IOF_QUICK permitted (but ignored)
	tr_time         a timeval structure specifying how long the
	                    device will wait before replying

   RESULTS
	tr_time         will be zeroed

   NOTES
	This function may be called from interrupts.

	Previous to 2.0, the tr_time field was documented as containing
	junk when the timerequest was returned.

   SEE ALSO
	timer.device/AbortIO(),
	timer.device/TimeDelay(),

   BUGS