cctl_nvlist_conn
STAILQ_ENTRY(cctl_nvlist_conn) links;
STAILQ_HEAD(,cctl_nvlist_conn) conn_list;
struct cctl_nvlist_conn *cur_conn;
struct cctl_nvlist_conn *cur_conn;
struct cctl_nvlist_conn *cur_conn;
struct cctl_nvlist_conn *conn;