Update uart(3).
 [rsc] --rw-rw-r-- M 1250499 glenda sys 2003 Jan 25 07:15 sys/man/3/uart
	/n/sourcesdump/2006/0125/plan9/sys/man/3/uart:36,41 - 
	/n/sourcesdump/2006/0126/plan9/sys/man/3/uart:36,46
	  Set the baud rate to
	  .IR n .
	  .TP
	+ .BI c n
	+ Set hangup on DCD if
	+ .I n
	+ is non-zero; else clear it.
	+ .TP
	  .BI d n
	  Set DTR if
	  .I n
	/n/sourcesdump/2006/0125/plan9/sys/man/3/uart:42,63 - 
	/n/sourcesdump/2006/0126/plan9/sys/man/3/uart:47,62
	  is non-zero;
	  else clear it.
	  .TP
	- .BI k n
	- Send a break lasting
	+ .BI e n
	+ Set hangup on DSR if
	  .I n
	- milliseconds.
	+ is non-zero; else clear it.
	  .TP
	- .BI r n
	- Set RTS if
	- .I n
	- is non-zero;
	- else clear it.
	+ .B f
	+ Flush output queue.
	  .TP
	- .BI m n
	- Obey modem CTS signal if
	- .I n
	- is non-zero;
	- else clear it.
	+ .B h
	+ Close input and output queues.
	  .TP
	  .BI i n
	  Enable/disable the FIFOs.
	/n/sourcesdump/2006/0125/plan9/sys/man/3/uart:75,80 - 
	/n/sourcesdump/2006/0126/plan9/sys/man/3/uart:74,98
	  .I n
	  causes the maximum-supported trigger level to be set.
	  .TP
	+ .BI k n
	+ Send a break lasting
	+ .I n
	+ milliseconds.
	+ .TP
	+ .BI l n
	+ Set number of bits per byte to
	+ .IR n .
	+ Legal values are 5, 6, 7, or 8.
	+ .TP
	+ .BI m n
	+ Obey modem CTS signal if
	+ .I n
	+ is non-zero;
	+ else clear it.
	+ .TP
	+ .B n
	+ Make writes non-blocking.
	+ .TP
	  .BI p c
	  Set parity to odd if
	  .I c
	/n/sourcesdump/2006/0125/plan9/sys/man/3/uart:86,100 - 
	/n/sourcesdump/2006/0126/plan9/sys/man/3/uart:104,123
	  .BR e ;
	  else set no parity.
	  .TP
	+ .BI q n
	+ Set input and output queue limits to
	+ .IR n .
	+ .TP
	+ .BI r n
	+ Set RTS if
	+ .I n
	+ is non-zero;
	+ else clear it.
	+ .TP
	  .BI s n
	  Set number of stop bits to
	  .IR n .
	  Legal values are 1 or 2.
	- .TP
	- .BI l n
	- Set number of bits per byte to
	- .IR n .
	- Legal values are 5, 6, 7, or 8.
	  .TP
	  .BI w n
	  Set the uart clock timer to