nvdimm_label_index
label_index_is_valid(struct nvdimm_label_index *index, uint32_t max_labels,
index = (struct nvdimm_label_index *)((uint8_t *)index + size * offset);
struct nvdimm_label_index *indices, *index1;
sizeof(struct nvdimm_label_index));
_Static_assert(sizeof(struct nvdimm_label_index) == 72, "Incorrect layout");
struct nvdimm_label_index *label_index;