sys/kern/subr_msgbuf.c

294 	u_int len, wseq;
299 	wseq = mbp->msg_wseq;
300 	len = MSGBUF_SEQSUB(mbp, wseq, mbp->msg_rseq);
306 		mbp->msg_rseq = MSGBUF_SEQNORM(mbp, wseq - mbp->msg_size);
322 	u_int len, pos, wseq;
326 	wseq = mbp->msg_wseq;
327 	len = MSGBUF_SEQSUB(mbp, wseq, mbp->msg_rseq);
333 		mbp->msg_rseq = MSGBUF_SEQNORM(mbp, wseq - mbp->msg_size);
361 	u_int len, pos, wseq;
372 	wseq = mbp->msg_wseq;
373 	len = MSGBUF_SEQSUB(mbp, wseq, *seqp);
379 		*seqp = MSGBUF_SEQNORM(mbp, wseq - mbp->msg_size);