_be_destroy
(void) _be_destroy(bt.nbe_root_ds, &cdd);
if ((ret = _be_destroy(zfs_get_name(zhp), dd)) != BE_SUCCESS) {
if ((ret = _be_destroy((const char *)bt.obe_root_ds, &dd))
static int _be_destroy(const char *, be_destroy_data_t *);