crb_ipv6_recvtclass
connp->conn_recv_ancillary.crb_ipv6_recvtclass = onoff;
if (recv_ancillary.crb_ipv6_recvtclass) {
if (recv_ancillary.crb_ipv6_recvtclass) {
*i1 = connp->conn_recv_ancillary.crb_ipv6_recvtclass;
if (connp->conn_recv_ancillary.crb_ipv6_recvtclass &&
addflag.crb_ipv6_recvtclass = 1;
if (addflag.crb_ipv6_recvtclass) {
if (connp->conn_recv_ancillary.crb_ipv6_recvtclass &&
addflag.crb_ipv6_recvtclass = 1;
if (addflag.crb_ipv6_recvtclass) {