get_efi_var
status = get_efi_var(L"RandomSeed", &rng_table_guid, NULL,
get_efi_var(L"RandomSeed", &rng_table_guid, NULL, &nv_seed_size, NULL);
return get_efi_var(name, vendor, attr, data_size, data);
status = get_efi_var(shim_MokSBState_name, &shim_guid,
status = get_efi_var(efi_MemoryOverWriteRequest_name, &var_guid,