System.Posix.IO

# Input / Output

## Standard file descriptors

stdInput
stdOutput
stdError

## Opening and closing files

data OpenMode
data OpenFileFlags
defaultFileFlags
openFd
createFile
closeFd

## Reading/writing data

fdRead
fdWrite

## Seeking

fdSeek

## File options

data FdOption
queryFdOption
setFdOption

## Locking

type FileLock
data LockRequest
getLock
setLock
waitToSetLock

## Pipes

createPipe

## Duplicating file descriptors

dup
dupTo

## Converting file descriptors to/from Handles

handleToFd
fdToHandle