268 	if (th->doff < sizeof(struct tcphdr) / 4)  in slhc_compress()
270 	hlen = nlen + th->doff * 4;  in slhc_compress()
357 	 || th->doff != cs->cs_tcp.doff  in slhc_compress()
359 	 || (th->doff > 5 && memcmp(th+1,cs->cs_tcpopt,((th->doff)-5)*4) != 0)){  in slhc_compress()
480 	if (th->doff > 5)  in slhc_compress()
481 	  memcpy(cs->cs_tcpopt, th+1, ((th->doff) - 5) * 4);  in slhc_compress()
547 	hdrlen = ip->ihl * 4 + thp->doff * 4;  in slhc_uncompress()
631 	if (thp->doff > 5) {  in slhc_uncompress()
632 	  memcpy(cp, cs->cs_tcpopt, ((thp->doff) - 5) * 4);  in slhc_uncompress()
633 	  cp += ((thp->doff) - 5) * 4;  in slhc_uncompress()
683 	if (cs->cs_tcp.doff > 5)  in slhc_remember()
684 	  memcpy(cs->cs_tcpopt, icp + ihl*4 + sizeof(struct tcphdr), (cs->cs_tcp.doff - 5) * 4);  in slhc_remember()
685 	cs->cs_hsize = ihl*2 + cs->cs_tcp.doff*2;  in slhc_remember()