System.Posix.IO
stdInput
stdOutput
stdError
data OpenMode
data OpenFileFlags
defaultFileFlags
openFd
createFile
closeFd
fdRead
fdWrite
fdReadBuf
fdWriteBuf
fdSeek
data FdOption
queryFdOption
setFdOption
type FileLock
data LockRequest
getLock
setLock
waitToSetLock
createPipe
dup
dupTo
handleToFd
fdToHandle