| ucs2le | System.OsString.Encoding.Internal, System.OsString.Encoding | 
| ucs2le_decode | System.OsString.Encoding.Internal, System.OsString.Encoding | 
| ucs2le_DF | System.OsString.Encoding.Internal, System.OsString.Encoding | 
| ucs2le_EF | System.OsString.Encoding.Internal, System.OsString.Encoding | 
| ucs2le_encode | System.OsString.Encoding.Internal, System.OsString.Encoding | 
| uncons |  | 
| 1 (Function) | System.OsString.Data.ByteString.Short | 
| 2 (Function) | System.OsString.Data.ByteString.Short.Word16 | 
| 3 (Function) | System.OsString.Posix | 
| 4 (Function) | System.OsString.Internal, System.OsString | 
| 5 (Function) | System.OsString.Windows | 
| uncons2 |  | 
| 1 (Function) | System.OsString.Data.ByteString.Short | 
| 2 (Function) | System.OsString.Data.ByteString.Short.Word16 | 
| unfoldr |  | 
| 1 (Function) | System.OsString.Data.ByteString.Short | 
| 2 (Function) | System.OsString.Data.ByteString.Short.Word16 | 
| 3 (Function) | System.OsString.Posix | 
| 4 (Function) | System.OsString.Internal, System.OsString | 
| 5 (Function) | System.OsString.Windows | 
| unfoldrN |  | 
| 1 (Function) | System.OsString.Data.ByteString.Short | 
| 2 (Function) | System.OsString.Data.ByteString.Short.Word16 | 
| 3 (Function) | System.OsString.Posix | 
| 4 (Function) | System.OsString.Internal, System.OsString | 
| 5 (Function) | System.OsString.Windows | 
| unpack |  | 
| 1 (Function) | System.OsString.Data.ByteString.Short | 
| 2 (Function) | System.OsString.Data.ByteString.Short.Word16 | 
| 3 (Function) | System.OsString.Posix | 
| 4 (Function) | System.OsString.Internal, System.OsString | 
| 5 (Function) | System.OsString.Windows | 
| unpackWord16 | System.OsString.Data.ByteString.Short.Internal | 
| unPS | System.OsString.Internal.Types | 
| unPW | System.OsString.Internal.Types | 
| unsafeEncodeUtf |  | 
| 1 (Function) | System.OsString.Posix | 
| 2 (Function) | System.OsString.Internal, System.OsString | 
| 3 (Function) | System.OsString.Windows | 
| unsafeFreezeByteArray | System.OsString.Data.ByteString.Short.Internal | 
| unsafeFromChar |  | 
| 1 (Function) | System.OsString.Posix | 
| 2 (Function) | System.OsString.Internal, System.OsString | 
| 3 (Function) | System.OsString.Windows | 
| unShortByteString | System.OsString.Data.ByteString.Short, System.OsString.Data.ByteString.Short.Word16 | 
| unsnoc |  | 
| 1 (Function) | System.OsString.Data.ByteString.Short | 
| 2 (Function) | System.OsString.Data.ByteString.Short.Word16 | 
| 3 (Function) | System.OsString.Posix | 
| 4 (Function) | System.OsString.Internal, System.OsString | 
| 5 (Function) | System.OsString.Windows | 
| unWS | System.OsString.Internal.Types | 
| unWW | System.OsString.Internal.Types | 
| useAsCString | System.OsString.Data.ByteString.Short | 
| useAsCStringLen | System.OsString.Data.ByteString.Short | 
| useAsCWString | System.OsString.Data.ByteString.Short.Internal, System.OsString.Data.ByteString.Short.Word16 | 
| useAsCWStringLen | System.OsString.Data.ByteString.Short.Internal, System.OsString.Data.ByteString.Short.Word16 | 
| utf16le_b | System.OsString.Encoding.Internal, System.OsString.Encoding | 
| utf16le_b_decode | System.OsString.Encoding.Internal, System.OsString.Encoding | 
| utf16le_b_DF | System.OsString.Encoding.Internal, System.OsString.Encoding | 
| utf16le_b_EF | System.OsString.Encoding.Internal, System.OsString.Encoding | 
| utf16le_b_encode | System.OsString.Encoding.Internal, System.OsString.Encoding |