mevent_add_disabled
struct mevent *mevent_add_disabled(int fd, enum ev_type type,
p->mevp = mevent_add_disabled(be->fd, EVF_READ, cb, param);
priv->mevp = mevent_add_disabled(be->fd, EVF_READ, cb, param);
priv->mevp = mevent_add_disabled(be->fd, EVF_READ, cb, param);
priv->mevp = mevent_add_disabled(be->fd, EVF_READ, cb, param);