- u -

• unauthorized : websocketpp::http::status_code
• uninitialized : websocketpp::extensions::permessage_deflate::error , websocketpp::http::status_code
• unknown : websocketpp::http::parser::body_encoding
• UNKNOWN : websocketpp::session::fail::status
• unrequested_subprotocol : websocketpp::error
• unsupported_attributes : websocketpp::extensions::permessage_deflate::error
• unsupported_media_type : websocketpp::http::status_code
• unsupported_version : websocketpp::error
• upgrade_required : websocketpp::error , websocketpp::http::status_code
• Uri : ndn::tlv::nfd
• UriScheme : ndn::tlv::nfd
• use_proxy : websocketpp::http::status_code
• USER_INIT : websocketpp::session::internal_state