270 typedef struct rdpcb {  struct
271 	struct inpcb	*r_inpcb;
273 	rdpstate	 r_state;	/* state of connection */
274 	rdpsequence	 r_iss;		/* initial sequence # sent (in SYN) */
275 	rdpsequence	 r_irs;		/* initial sequence # rcvd (in SYN) */
276 	rdpsequence	 r_sndnxt;	/* seq # for next datagram we send */
278 	struct rdp_msgq	r_sendq, r_rcvq;
286 	boolean		 r_synrcvd;	/* have we rcvd his SYN? */
287 	boolean		 r_synacked;	/* has he ACKed our SYN? */
288 	boolean		 r_usrclosed;	/* has user process close(2)ed yet? */
289 	boolean		 r_sendrst;	/* set reset in outgoing packet */
290 	boolean		 r_sendnull;	/* set null in outgoing packet */
291 	boolean		 r_sequential;	/* sequential delivery? */
292 	boolean		 r_rttiming;	/* are we measuring rtt? */
294 	rdptimerval	 r_closewait;	/* # 0.5 sec units before destroy *cb */
296 	rdptimerval	 r_rttl;	/* error if dgram unacked in this time*/
298 	rdptimerval	 r_tvnull;	/* for testing connection existence */
300 	char		 r_nullsent;	/* # successive null messages sent */
307 	rdptimerval	 r_rxmitime;	/* current idea of re-xmission time */
327 	rdpsequence	 r_rttimed;	/* seq # of dgram finding rtt for */
328 	rdptimerval	 r_rtt;		/* round trip time (in 0.5 sec units)*/
329 	rdptimerval	 r_srtt;	/* smoothed round trip time */
356 	int		 r_rttlindex;
364 	rdptimerval	 r_timers[RDP_NTIMERS];
369 	rdptimerval	 r_rxtimers[RDP_MAXDGRAMS]; /* send retransmit timers */
397 #define rdpcbtoso(r)	((r)->r_inpcb->inp_socket)  argument
467 #define rdp_action(input, rdpcb, arg) rdpaction(input, rdpcb, (int) arg)  argument