PPTP_SEQ_DIFF
if (PPTP_SEQ_DIFF(np->seq, hpriv->recvSeq) > 1)
if (PPTP_SEQ_DIFF(np->seq, last->seq) > 1)
if ((u_int32_t)PPTP_SEQ_DIFF(hpriv->xmitSeq,
if (PPTP_SEQ_DIFF(ack, hpriv->xmitSeq) > 0) {
if (PPTP_SEQ_DIFF(ack, hpriv->recvAck) <= 0)
if (PPTP_SEQ_DIFF(ack, hpriv->winAck) >= 0
diff = PPTP_SEQ_DIFF(seq, hpriv->recvSeq);
diff = PPTP_SEQ_DIFF(np->seq, seq);