nvme_ctrl_info_unalloc_cap
if (nvme_ctrl_info_unalloc_cap(ctrl, &u128)) {
if (nvme_ctrl_info_unalloc_cap(info, &u128) && (u128.lo != 0 ||
extern bool nvme_ctrl_info_unalloc_cap(nvme_ctrl_info_t *, nvme_uint128_t *);
if (!nvme_ctrl_info_unalloc_cap(info, &u128)) {
} else if (!nvme_ctrl_info_unalloc_cap(rest_info, &rest_u128)) {