sctp_rcvinfo
struct sctp_rcvinfo *rcvinfo;
rcvinfo = (struct sctp_rcvinfo *)CMSG_DATA(cmsg);
} else if (*infolen >= sizeof(struct sctp_rcvinfo)) {
memcpy(info, rcvinfo, sizeof(struct sctp_rcvinfo));
*infolen = (socklen_t) sizeof(struct sctp_rcvinfo);
struct sctp_rcvinfo recvv_rcvinfo;