
	-a	Print all fields.
	-d	Print destination address [default].
	-f	Print routing flags.
	-h	Print handler [default].
	-i	Print message ID.
	-j	Print travel time.
	-k	Print last link delay.
	-l	Print link.
	-n	Print handler description.
	-p	Print a header line.
	-r	Select in-bound messages.
	-s	Print source address [default].
	-v	Verbose (no field truncation).
	-w	Select out-bound messages.
	-x	Print record date [default].
	-z	Print message size.
