| machine | System.Posix.Unistd, System.Posix.ByteString, System.Posix | 
| MapCRtoLF | System.Posix.Terminal.ByteString, System.Posix.Terminal, System.Posix.ByteString, System.Posix | 
| MapLFtoCR | System.Posix.Terminal.ByteString, System.Posix.Terminal, System.Posix.ByteString, System.Posix | 
| MarkParityErrors | System.Posix.Terminal.ByteString, System.Posix.Terminal, System.Posix.ByteString, System.Posix | 
| minInput | System.Posix.Terminal.ByteString, System.Posix.Terminal, System.Posix.ByteString, System.Posix | 
| mkdtemp |  | 
| 1 (Function) | System.Posix.Temp, System.Posix | 
| 2 (Function) | System.Posix.Temp.ByteString, System.Posix.ByteString | 
| mkstemp |  | 
| 1 (Function) | System.Posix.Temp, System.Posix | 
| 2 (Function) | System.Posix.Temp.ByteString, System.Posix.ByteString | 
| mkstemps |  | 
| 1 (Function) | System.Posix.Temp, System.Posix | 
| 2 (Function) | System.Posix.Temp.ByteString, System.Posix.ByteString | 
| modificationTime | System.Posix.Files.ByteString, System.Posix.Files, System.Posix.ByteString, System.Posix | 
| modificationTimeHiRes | System.Posix.Files.ByteString, System.Posix.Files, System.Posix.ByteString, System.Posix | 
| Module | System.Posix.DynamicLinker.Module, System.Posix.DynamicLinker.Module.ByteString | 
| moduleClose | System.Posix.DynamicLinker.Module, System.Posix.DynamicLinker.Module.ByteString | 
| moduleError | System.Posix.DynamicLinker.Module, System.Posix.DynamicLinker.Module.ByteString | 
| moduleOpen |  | 
| 1 (Function) | System.Posix.DynamicLinker.Module | 
| 2 (Function) | System.Posix.DynamicLinker.Module.ByteString | 
| moduleSymbol | System.Posix.DynamicLinker.Module, System.Posix.DynamicLinker.Module.ByteString |