- u -
- udp : UdpConnection
- unauthorizedUser : Hue::Stats
- unit : NanoTime::Time< T > , NanoTime::TimeValue
- unknown0 : STORE_TYPEDEF_ATTR
- unknown1 : STORE_TYPEDEF_ATTR
- unlink : GdbSyscallInfo
- unused : rboot_config
- uri : HttpRequest
- useDefaultBodyParsers : HttpServerSettings
- user : HSPI::Controller::Config
- User : Url
- user1 : HSPI::Controller::Config
- user_data : spiffs_t
- userAttribute : IFS::FWFS::Object
- userData : HttpServerConnection , MqttPayloadParserState , WebsocketConnection
- useSsl : TcpConnection