Index - U
| UChar | Language.Modulo |
| UInt | Language.Modulo |
| UInt16 | Language.Modulo |
| UInt32 | Language.Modulo |
| UInt64 | Language.Modulo |
| UInt8 | Language.Modulo |
| UIntptr | Language.Modulo |
| ULong | Language.Modulo |
| ULongLong | Language.Modulo |
| uncase | Language.Modulo.Util.Unmangle |
| Union | Language.Modulo |
| unionFieldMangler | Language.Modulo.C |
| unmangle | Language.Modulo.Util.Unmangle |
| unsafeParseFile | Language.Modulo.Parse |
| unsep | Language.Modulo.Util.Unmangle |
| UShort | Language.Modulo |