prepare_ls_ack
if ((buf = prepare_ls_ack(iface)) == NULL)
struct ibuf *prepare_ls_ack(struct iface *);
if ((buf = prepare_ls_ack(iface)) == NULL)
if ((buf = prepare_ls_ack(iface)) == NULL)
struct ibuf *prepare_ls_ack(struct iface *);
if ((buf = prepare_ls_ack(iface)) == NULL)