- efi_guid_t *vendor);
-efi_status_t EFIAPI efi_set_variable(u16 *variable_name, efi_guid_t *vendor,
- u32 attributes, efi_uintn_t data_size,
- void *data);
+ const efi_guid_t *vendor);
+efi_status_t EFIAPI efi_set_variable(u16 *variable_name,
+ const efi_guid_t *vendor, u32 attributes,
+ efi_uintn_t data_size, const void *data);