int *ids;
size_t nids;
struct fdisk_partition *pa = NULL;
struct fdisk_label *lb = fdisk_get_label(cxt, NULL);

fdisk_label_get_fields_ids(lb, cxt, &ids, &nids);

fdisk_get_partition(cxt, 0, &pa);

for (i = 0; i < nids; i++) {
const struct fdisk_field *field = fdisk_label_get_field(lb, ids[i]);

int id = fdisk_field_get_id(fl);
const char *name = fdisk_field_get_name(fl);
char *data;

fdisk_partition_to_string(pa, id, &data);
printf("%s: %s\n", name, data);
free(data);
}
free(ids);