| ucs2le | System.OsPath.Encoding.Internal, System.OsPath.Encoding | 
| ucs2le_decode | System.OsPath.Encoding.Internal, System.OsPath.Encoding | 
| ucs2le_DF | System.OsPath.Encoding.Internal, System.OsPath.Encoding | 
| ucs2le_EF | System.OsPath.Encoding.Internal, System.OsPath.Encoding | 
| ucs2le_encode | System.OsPath.Encoding.Internal, System.OsPath.Encoding | 
| uncons |  | 
| 1 (Function) | System.OsPath.Data.ByteString.Short | 
| 2 (Function) | System.OsPath.Data.ByteString.Short.Word16 | 
| uncons2 |  | 
| 1 (Function) | System.OsPath.Data.ByteString.Short | 
| 2 (Function) | System.OsPath.Data.ByteString.Short.Word16 | 
| unfoldr |  | 
| 1 (Function) | System.OsPath.Data.ByteString.Short | 
| 2 (Function) | System.OsPath.Data.ByteString.Short.Word16 | 
| unfoldrN |  | 
| 1 (Function) | System.OsPath.Data.ByteString.Short | 
| 2 (Function) | System.OsPath.Data.ByteString.Short.Word16 | 
| unpack |  | 
| 1 (Function) | System.OsPath.Data.ByteString.Short | 
| 2 (Function) | System.OsPath.Data.ByteString.Short.Word16 | 
| 3 (Function) | System.OsString.Posix, System.OsPath.Posix | 
| 4 (Function) | System.OsString.Internal, System.OsString | 
| 5 (Function) | System.OsPath.Internal, System.OsPath | 
| 6 (Function) | System.OsString.Windows, System.OsPath.Windows | 
| unpackWord16 | System.OsPath.Data.ByteString.Short.Internal | 
| unPS | System.OsString.Internal.Types | 
| unPW | System.OsString.Internal.Types | 
| unsafeFreezeByteArray | System.OsPath.Data.ByteString.Short.Internal | 
| unsafeFromChar |  | 
| 1 (Function) | System.OsString.Posix, System.OsPath.Posix | 
| 2 (Function) | System.OsString.Internal, System.OsString, System.OsPath | 
| 3 (Function) | System.OsString.Windows, System.OsPath.Windows | 
| unsnoc |  | 
| 1 (Function) | System.OsPath.Data.ByteString.Short | 
| 2 (Function) | System.OsPath.Data.ByteString.Short.Word16 | 
| unWS | System.OsString.Internal.Types | 
| unWW | System.OsString.Internal.Types | 
| useAsCString | System.OsPath.Data.ByteString.Short | 
| useAsCStringLen | System.OsPath.Data.ByteString.Short | 
| useAsCWString | System.OsPath.Data.ByteString.Short.Internal, System.OsPath.Data.ByteString.Short.Word16 | 
| useAsCWStringLen | System.OsPath.Data.ByteString.Short.Internal, System.OsPath.Data.ByteString.Short.Word16 | 
| utf16le_b | System.OsPath.Encoding.Internal, System.OsPath.Encoding | 
| utf16le_b_decode | System.OsPath.Encoding.Internal, System.OsPath.Encoding | 
| utf16le_b_DF | System.OsPath.Encoding.Internal, System.OsPath.Encoding | 
| utf16le_b_EF | System.OsPath.Encoding.Internal, System.OsPath.Encoding | 
| utf16le_b_encode | System.OsPath.Encoding.Internal, System.OsPath.Encoding |