TCPOPT_SACK_PERMIT_HDR 4252 netinet/tcp_input.c 		*((u_int32_t *)optp) = htonl(TCPOPT_SACK_PERMIT_HDR);
TCPOPT_SACK_PERMIT_HDR  566 netinet/tcp_output.c 				    htonl(TCPOPT_SACK_PERMIT_HDR);