sctp_connectx_addrs
struct sctp_connectx_addrs sca;
struct sctp_connectx_addrs sca;
#define SIOCCONNECTX _IOWR('s', 11, struct sctp_connectx_addrs)
#define SIOCCONNECTXDEL _IOWR('s', 12, struct sctp_connectx_addrs)
sctp_do_connect_x(struct socket *so, struct sctp_connectx_addrs *sca,
int sctp_do_connect_x(struct socket *, struct sctp_connectx_addrs *,