mlx_enquiry_old
imax(sizeof(struct mlx_enquiry), sizeof(struct mlx_enquiry_old)), mlx_periodic_enquiry);
struct mlx_enquiry_old *meo = (struct mlx_enquiry_old *)mc->mc_data;
struct mlx_enquiry_old *meo;
if ((meo = mlx_enquire(sc, MLX_CMD_ENQUIRY_OLD, sizeof(struct mlx_enquiry_old), NULL)) == NULL) {