return -1;
return (-1);
pfr_del_tables(struct pfr_table *tbl, int size, int *ndel, int flags){	struct pfioc_table io;	if (size < 0 || (size && tbl == NULL)) {		errno = EINVAL;		return -1;	}	bzero(&io, sizeof io);	io.pfrio_flags = flags;	io.pfrio_buffer = tbl;	io.pfrio_size = size;	if (ioctl(dev, DIOCRDELTABLES, &io))		return (-1);	if (ndel != NULL)		*ndel = io.pfrio_ndel;	return (0);}