ctl_notify
struct ctl_notify *notify, *notify_next;
struct ctl_notify *notify;
TAILQ_ENTRY(ctl_notify) entry;
TAILQ_HEAD(ctl_notify_q, ctl_notify) ctl_notify_q =
notify = calloc(1, sizeof(struct ctl_notify));
struct ctl_notify *notify = NULL, *notify_next;