| UModeAway | Network.IRC.Fun.Types |
| UModeBlockUnidentified | Network.IRC.Fun.Types |
| UModeCallerID | Network.IRC.Fun.Types |
| UModeConnectedViaSSL | Network.IRC.Fun.Types |
| UModeDeaf | Network.IRC.Fun.Types |
| UModeInvisible | Network.IRC.Fun.Types |
| UModeIsReply | Network.IRC.Fun.Types |
| UModeLocalOperator | Network.IRC.Fun.Types |
| UModeNoForwarding | Network.IRC.Fun.Types |
| UModeOperator | Network.IRC.Fun.Types |
| UModeOther | Network.IRC.Fun.Types |
| UModeRestricted | Network.IRC.Fun.Types |
| UModeSeeNotices | Network.IRC.Fun.Types |
| UModeSeeWallops | Network.IRC.Fun.Types |
| UnAwayReply | Network.IRC.Fun.Types |
| unChannel | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| unChannelKey | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| unChannelTopic | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| unCmdName | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| unCmdNumber | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| unComment | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| unHostname | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| UniqueOpIsReply | Network.IRC.Fun.Types |
| unMsgContent | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| unNickname | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| unPassword | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| unPortNumber | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| unRealName | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| unServiceName | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| unUsername | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| Uptime | Network.IRC.Fun.Types |
| UserAddress | |
| 1 (Type/Class) | Network.IRC.Fun.Types |
| 2 (Data Constructor) | Network.IRC.Fun.Types |
| UserhostMessage | Network.IRC.Fun.Types |
| UserHostReply | Network.IRC.Fun.Types |
| UserMessage | Network.IRC.Fun.Types |
| UserMode | Network.IRC.Fun.Types |
| UserModeMessage | Network.IRC.Fun.Types |
| Username | |
| 1 (Type/Class) | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| 2 (Data Constructor) | Network.IRC.Fun.Types.Base, Network.IRC.Fun.Types |
| UsersMessage | Network.IRC.Fun.Types |
| UsersReply | Network.IRC.Fun.Types |
| UsersStartReply | Network.IRC.Fun.Types |
| UserTarget | Network.IRC.Fun.Types |