title
File

Utilities for accessing the filesystem & working with files.

Many of the functions in this module are not intended to be used directly, but rather for other libraries to be built on top of them.

from "wasi/file" include File

Types

Type declarations included in the File module.

File.FileDescriptor

enum FileDescriptor {
  FileDescriptor(Number),
}

Represents a handle to an open file on the system.

File.LookupFlag

enum LookupFlag {
  SymlinkFollow,
}

Flags that determine how paths should be resolved when looking up a file or directory.

Variants:

SymlinkFollow

Follow symlinks

File.OpenFlag

enum OpenFlag {
  Create,
  Directory,
  Exclusive,
  Truncate,
}

Flags that determine how a file or directory should be opened.

Variants:

Create

Create file if it does not exist.

Directory

Fail if not a directory.

Exclusive

Fail if file already exists.

Truncate

Truncate file to size 0.

File.Rights

enum Rights {
  FdDatasync,
  FdRead,
  FdSeek,
  FdSetFlags,
  FdSync,
  FdTell,
  FdWrite,
  FdAdvise,
  FdAllocate,
  PathCreateDirectory,
  PathCreateFile,
  PathLinkSource,
  PathLinkTarget,
  PathOpen,
  FdReaddir,
  PathReadlink,
  PathRenameSource,
  PathRenameTarget,
  PathFilestats,
  PathSetSize,
  PathSetTimes,
  FdFilestats,
  FdSetSize,
  FdSetTimes,
  PathSymlink,
  PathRemoveDirectory,
  PathUnlinkFile,
  PollFdReadwrite,
  SockShutdown,
}

Flags that determine which rights a FileDescriptor should have and which rights new FileDescriptors should inherit from it.

Variants:

FdDatasync

The right to invoke fdDatasync. If PathOpen is set, includes the right to invoke pathOpen with FdFlag::Dsync.

FdRead

The right to invoke fdRead. If Rights::FdSeek is set, includes the right to invoke fdPread.

FdSeek

The right to invoke fdSeek. This flag implies Rights::FdTell.

FdSetFlags

The right to invoke fdSetFlags.

FdSync

The right to invoke fdSync. If PathOpen is set, includes the right to invoke pathOpen with FdFlag::Rsync and FdFlag::Dsync.

FdTell

The right to invoke fdSeek in such a way that the file offset remains unaltered (i.e., Whence::Current with offset zero), or to invoke fdTell.

FdWrite

The right to invoke fdWrite. If Rights::FdSeek is set, includes the right to invoke fdPwrite.

FdAdvise

The right to invoke fdAdvise.

FdAllocate

The right to invoke fdAllocate.

PathCreateDirectory

The right to invoke pathCreateDirectory.

PathCreateFile

If PathOpen is set, the right to invoke pathOpen with OpenFlag::Create.

PathLinkSource

The right to invoke pathLink with the file descriptor as the source directory.

PathLinkTarget

The right to invoke pathLink with the file descriptor as the target directory.

PathOpen

The right to invoke pathOpen.

FdReaddir

The right to invoke fdReaddir.

PathReadlink

The right to invoke pathReadlink.

PathRenameSource

The right to invoke pathRename with the file descriptor as the source directory.

PathRenameTarget

The right to invoke pathRename with the file descriptor as the target directory.

PathFilestats

The right to invoke pathFilestats.

PathSetSize

The right to change a file's size (there's no pathSetSize). If PathOpen is set, includes the right to invoke pathOpen with OpenFlag::Truncate.

PathSetTimes

The right to invoke pathSetAccessTime, pathSetAccessTimeNow, pathSetModifiedTime, or pathSetModifiedTimeNow.

FdFilestats

The right to invoke fdFilestats.

FdSetSize

The right to invoke fdSetSize.

FdSetTimes

The right to invoke fdSetAccessTime, fdSetAccessTimeNow, fdSetModifiedTime, or fdSetModifiedTimeNow.

PathSymlink

The right to invoke pathSymlink.

PathRemoveDirectory

The right to invoke pathRemoveDirectory.

PathUnlinkFile

The right to invoke pathUnlinkFile.

PollFdReadwrite

If Rights::FdRead is set, includes the right to invoke pollOneoff (not yet implemented) to subscribe to EventType::FdRead. If Rights::FdWrite is set, includes the right to invoke pollOneoff (not yet implemented) to subscribe to EventType::FdWrite.

SockShutdown

The right to invoke sockShutdown (not yet implemented).

File.FdFlag

enum FdFlag {
  Append,
  Dsync,
  Nonblock,
  Rsync,
  Sync,
}

Flags that determine the mode(s) that a FileDescriptor operates in.

Variants:

Append

Append mode: Data written to the file is always appended to the file's end.

Dsync

Write according to synchronized I/O data integrity completion. Only the data stored in the file is synchronized.

Nonblock

Non-blocking mode.

Rsync

Synchronized read I/O operations.

File.Filetype

enum Filetype {
  Unknown,
  BlockDevice,
  CharacterDevice,
  Directory,
  RegularFile,
  SocketDatagram,
  SocketStream,
  SymbolicLink,
}

The type of file a FileDescriptor refers to.

Variants:

Unknown

The type of the file descriptor or file is unknown or is different from any of the other types specified.

BlockDevice

The file descriptor or file refers to a block device inode.

CharacterDevice

The file descriptor or file refers to a character device inode.

Directory

The file descriptor or file refers to a directory inode.

RegularFile

The file descriptor or file refers to a regular file inode.

SocketDatagram

The file descriptor or file refers to a datagram socket.

SocketStream

The file descriptor or file refers to a byte-stream socket.

SymbolicLink

The file refers to a symbolic link inode.

File.Whence

enum Whence {
  Set,
  Current,
  End,
}

Flags that determine where seeking should begin in a file.

Variants:

Set

Seek relative to start-of-file.

Current

Seek relative to current position.

End

Seek relative to end-of-file.

File.Stats

record Stats {
  filetype: Filetype,
  flags: List<FdFlag>,
  rights: List<Rights>,
  rightsInheriting: List<Rights>,
}

Information about a FileDescriptor.

File.Filestats

record Filestats {
  device: Int64,
  inode: Int64,
  filetype: Filetype,
  linkcount: Int64,
  size: Int64,
  accessed: Int64,
  modified: Int64,
  changed: Int64,
}

Information about the file that a FileDescriptor refers to.

File.DirectoryEntry

record DirectoryEntry {
  inode: Int64,
  filetype: Filetype,
  path: String,
}

An entry in a directory.

File.Prestat

enum Prestat {
  Dir{
    prefix: String,
    fd: FileDescriptor,
  },
}

Information about a preopened directory

Values

Functions and constants included in the File module.

File.stdin

stdin : FileDescriptor

The FileDescriptor for stdin.

File.stdout

stdout : FileDescriptor

The FileDescriptor for stdout.

File.stderr

stderr : FileDescriptor

The FileDescriptor for stderr.

File.pathOpen

pathOpen :
  (dirFd: FileDescriptor, dirFlags: List<LookupFlag>, path: String,
   openFlags: List<OpenFlag>, rights: List<Rights>,
   rightsInheriting: List<Rights>, flags: List<FdFlag>) =>
   Result<FileDescriptor, Exception>

Open a file or directory.

Parameters:

param	type	description
`dirFd`	`FileDescriptor`	The directory in which path resolution starts
`dirFlags`	`List<LookupFlag>`	Flags which affect path resolution
`path`	`String`	The path to the file or directory
`openFlags`	`List<OpenFlag>`	Flags that decide how the path will be opened
`rights`	`List<Rights>`	The rights that dictate what may be done with the returned file descriptor
`rightsInheriting`	`List<Rights>`	The rights that dictate what may be done with file descriptors derived from this file descriptor
`flags`	`List<FdFlag>`	Flags which affect read/write operations on this file descriptor

Returns:

type	description
`Result<FileDescriptor, Exception>`	`Ok(fd)` of the opened file or directory if successful or `Err(exception)` otherwise

File.fdRead

fdRead :
  (fd: FileDescriptor, size: Number) => Result<(Bytes, Number), Exception>

Read from a file descriptor.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor to read from
`size`	`Number`	The maximum number of bytes to read from the file descriptor

Returns:

type	description
`Result<(Bytes, Number), Exception>`	`Ok((contents, numBytes))` of bytes read and the number of bytes read if successful or `Err(exception)` otherwise

File.fdPread

fdPread :
  (fd: FileDescriptor, offset: Int64, size: Number) =>
   Result<(Bytes, Number), Exception>

Read from a file descriptor without updating the file descriptor's offset.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor to read from
`offset`	`Int64`	The position within the file to begin reading
`size`	`Number`	The maximum number of bytes to read from the file descriptor

Returns:

type	description
`Result<(Bytes, Number), Exception>`	`Ok((contents, numBytes))` of bytes read and the number of bytes read if successful or `Err(exception)` otherwise

File.fdPrestatGet

Added in next

No other changes yet.

fdPrestatGet : (fd: FileDescriptor) => Result<Prestat, Exception>

Get information about a preopened directory.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor to check

Returns:

type	description
`Result<Prestat, Exception>`	`Ok(Dir{prefix, fd})` if successful or `Err(exception)` otherwise

File.fdWrite

fdWrite : (fd: FileDescriptor, data: Bytes) => Result<Number, Exception>

Write to a file descriptor.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor to which data will be written
`data`	`Bytes`	The data to be written

Returns:

type	description
`Result<Number, Exception>`	`Ok(numBytes)` of the number of bytes written if successful or `Err(Exception)` otherwise

File.fdPwrite

fdPwrite :
  (fd: FileDescriptor, data: Bytes, offset: Int64) =>
   Result<Number, Exception>

Write to a file descriptor without updating the file descriptor's offset.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor to which data will be written
`data`	`Bytes`	The data to be written
`offset`	`Int64`	The position within the file to begin writing

Returns:

type	description
`Result<Number, Exception>`	`Ok(numBytes)` of the number of bytes written if successful or `Err(exception)` otherwise

File.fdAllocate

fdAllocate :
  (fd: FileDescriptor, offset: Int64, size: Int64) => Result<Void, Exception>

Allocate space within a file.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor in which space will be allocated
`offset`	`Int64`	The position within the file to begin writing
`size`	`Int64`	The number of bytes to allocate

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.fdClose

fdClose : (fd: FileDescriptor) => Result<Void, Exception>

Close a file descriptor.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor to close

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.fdDatasync

fdDatasync : (fd: FileDescriptor) => Result<Void, Exception>

Synchronize the data of a file to disk.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor to synchronize

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.fdSync

fdSync : (fd: FileDescriptor) => Result<Void, Exception>

Synchronize the data and metadata of a file to disk.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor to synchronize

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.fdStats

fdStats : (fd: FileDescriptor) => Result<Stats, Exception>

Retrieve information about a file descriptor.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of which to retrieve information

Returns:

type	description
`Result<Stats, Exception>`	`Ok(stats)` of the `Stats` associated with the file descriptor if successful or `Err(exception)` otherwise

File.fdSetFlags

fdSetFlags :
  (fd: FileDescriptor, flags: List<FdFlag>) => Result<Void, Exception>

Update the flags associated with a file descriptor.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor to update flags
`flags`	`List<FdFlag>`	The flags to apply to the file descriptor

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.fdSetRights

fdSetRights :
  (fd: FileDescriptor, rights: List<Rights>, rightsInheriting: List<Rights>) =>
   Result<Void, Exception>

Update the rights associated with a file descriptor.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor to update rights
`rights`	`List<Rights>`	Rights to apply to the file descriptor
`rightsInheriting`	`List<Rights>`	Inheriting rights to apply to the file descriptor

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.fdFilestats

fdFilestats : (fd: FileDescriptor) => Result<Filestats, Exception>

Retrieve information about a file.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the file to retrieve information

Returns:

type	description
`Result<Filestats, Exception>`	`Ok(info)` of the `Filestats` associated with the file descriptor if successful or `Err(exception)` otherwise

File.fdSetSize

fdSetSize : (fd: FileDescriptor, size: Int64) => Result<Void, Exception>

Set (truncate) the size of a file.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the file to truncate
`size`	`Int64`	The number of bytes to retain in the file

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.fdSetAccessTime

fdSetAccessTime :
  (fd: FileDescriptor, timestamp: Int64) => Result<Void, Exception>

Set the access (created) time of a file.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the file to update
`timestamp`	`Int64`	The time to set

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.fdSetAccessTimeNow

fdSetAccessTimeNow : (fd: FileDescriptor) => Result<Void, Exception>

Set the access (created) time of a file to the current time.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the file to update

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.fdSetModifiedTime

fdSetModifiedTime :
  (fd: FileDescriptor, timestamp: Int64) => Result<Void, Exception>

Set the modified time of a file.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the file to update
`timestamp`	`Int64`	The time to set

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.fdSetModifiedTimeNow

fdSetModifiedTimeNow : (fd: FileDescriptor) => Result<Void, Exception>

Set the modified time of a file to the current time.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the file to update

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.fdReaddir

fdReaddir : (fd: FileDescriptor) => Result<Array<DirectoryEntry>, Exception>

Read the entires of a directory.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The directory to read

Returns:

type	description
`Result<Array<DirectoryEntry>, Exception>`	`Ok(dirEntries)` of an array of `DirectoryEntry` for each entry in the directory if successful or `Err(exception)` otherwise

File.fdRenumber

fdRenumber :
  (fromFd: FileDescriptor, toFd: FileDescriptor) => Result<Void, Exception>

Atomically replace a file descriptor by renumbering another file descriptor.

Parameters:

param	type	description
`fromFd`	`FileDescriptor`	The file descriptor to renumber
`toFd`	`FileDescriptor`	The file descriptor to overwrite

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.fdSeek

fdSeek :
  (fd: FileDescriptor, offset: Int64, whence: Whence) =>
   Result<Int64, Exception>

Update a file descriptor's offset.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor to operate on
`offset`	`Int64`	The number of bytes to move the offset
`whence`	`Whence`	The location from which the offset is relative

Returns:

type	description
`Result<Int64, Exception>`	`Ok(offset)` of the new offset of the file descriptor, relative to the start of the file, if successful or `Err(exception)` otherwise

File.fdTell

fdTell : (fd: FileDescriptor) => Result<Int64, Exception>

Read a file descriptor's offset.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor to read the offset

Returns:

type	description
`Result<Int64, Exception>`	`Ok(offset)` of the offset of the file descriptor, relative to the start of the file, if successful or `Err(exception)` otherwise

File.pathCreateDirectory

pathCreateDirectory :
  (fd: FileDescriptor, path: String) => Result<Void, Exception>

Create a directory.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the directory in which path resolution starts
`path`	`String`	The path to the new directory

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.pathFilestats

pathFilestats :
  (fd: FileDescriptor, dirFlags: List<LookupFlag>, path: String) =>
   Result<Filestats, Exception>

Retrieve information about a file.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the directory in which path resolution starts
`dirFlags`	`List<LookupFlag>`	Flags which affect path resolution
`path`	`String`	The path to retrieve information about

Returns:

type	description
`Result<Filestats, Exception>`	`Ok(info)` of the `Filestats` associated with the file descriptor if successful or `Err(exception)` otherwise

File.pathSetAccessTime

pathSetAccessTime :
  (fd: FileDescriptor, dirFlags: List<LookupFlag>, path: String,
   timestamp: Int64) => Result<Void, Exception>

Set the access (created) time of a file.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the directory in which path resolution starts
`dirFlags`	`List<LookupFlag>`	Flags which affect path resolution
`path`	`String`	The path to set the time
`timestamp`	`Int64`	The time to set

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.pathSetAccessTimeNow

pathSetAccessTimeNow :
  (fd: FileDescriptor, dirFlags: List<LookupFlag>, path: String) =>
   Result<Void, Exception>

Set the access (created) time of a file to the current time.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the directory in which path resolution starts
`dirFlags`	`List<LookupFlag>`	Flags which affect path resolution
`path`	`String`	The path to set the time

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.pathSetModifiedTime

pathSetModifiedTime :
  (fd: FileDescriptor, dirFlags: List<LookupFlag>, path: String,
   timestamp: Int64) => Result<Void, Exception>

Set the modified time of a file.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the directory in which path resolution starts
`dirFlags`	`List<LookupFlag>`	Flags which affect path resolution
`path`	`String`	The path to set the time
`timestamp`	`Int64`	The time to set

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.pathSetModifiedTimeNow

pathSetModifiedTimeNow :
  (fd: FileDescriptor, dirFlags: List<LookupFlag>, path: String) =>
   Result<Void, Exception>

Set the modified time of a file to the current time.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the directory in which path resolution starts
`dirFlags`	`List<LookupFlag>`	Flags which affect path resolution
`path`	`String`	The path to set the time

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.pathLink

pathLink :
  (sourceFd: FileDescriptor, dirFlags: List<LookupFlag>, sourcePath: 
   String, targetFd: FileDescriptor, targetPath: String) =>
   Result<Void, Exception>

Create a hard link.

Parameters:

param	type	description
`sourceFd`	`FileDescriptor`	The file descriptor of the directory in which the source path resolution starts
`dirFlags`	`List<LookupFlag>`	Flags which affect path resolution
`sourcePath`	`String`	The path to the source of the link
`targetFd`	`FileDescriptor`	The file descriptor of the directory in which the target path resolution starts
`targetPath`	`String`	The path to the target of the link

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.pathSymlink

pathSymlink :
  (fd: FileDescriptor, sourcePath: String, targetPath: String) =>
   Result<Void, Exception>

Create a symlink.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the directory in which path resolution starts
`sourcePath`	`String`	The path to the source of the link
`targetPath`	`String`	The path to the target of the link

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.pathUnlink

pathUnlink : (fd: FileDescriptor, path: String) => Result<Void, Exception>

Unlink a file.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the directory in which path resolution starts
`path`	`String`	The path of the file to unlink

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.pathReadlink

pathReadlink :
  (fd: FileDescriptor, path: String, size: Number) =>
   Result<(String, Number), Exception>

Read the contents of a symbolic link.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the directory in which path resolution starts
`path`	`String`	The path to the symlink
`size`	`Number`	The number of bytes to read

Returns:

type	description
`Result<(String, Number), Exception>`	`Ok((contents, numBytes))` of the bytes read and the number of bytes read if successful or `Err(exception)` otherwise

File.pathRemoveDirectory

pathRemoveDirectory :
  (fd: FileDescriptor, path: String) => Result<Void, Exception>

Remove a directory.

Parameters:

param	type	description
`fd`	`FileDescriptor`	The file descriptor of the directory in which path resolution starts
`path`	`String`	The path to the directory to remove

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.pathRename

pathRename :
  (sourceFd: FileDescriptor, sourcePath: String, targetFd: FileDescriptor,
   targetPath: String) => Result<Void, Exception>

Rename a file or directory.

Parameters:

param	type	description
`sourceFd`	`FileDescriptor`	The file descriptor of the directory in which the source path resolution starts
`sourcePath`	`String`	The path of the file to rename
`targetFd`	`FileDescriptor`	The file descriptor of the directory in which the target path resolution starts
`targetPath`	`String`	The new path of the file

Returns:

type	description
`Result<Void, Exception>`	`Ok(void)` if successful or `Err(exception)` otherwise

File.open

Added in next

No other changes yet.

open :
  (path: String, openFlags: List<OpenFlag>, rights: List<Rights>,
   rightsInheriting: List<Rights>, flags: List<FdFlag>) =>
   Result<FileDescriptor, Exception>

Similar to pathOpen, but resolves the path relative to preopened directories.

Parameters:

param	type	description
`path`	`String`	The path to the file or directory
`openFlags`	`List<OpenFlag>`	Flags that decide how the path will be opened
`rights`	`List<Rights>`	The rights that dictate what may be done with the returned file descriptor
`rightsInheriting`	`List<Rights>`	The rights that dictate what may be done with file descriptors derived from this file descriptor
`flags`	`List<FdFlag>`	Flags which affect read/write operations on this file descriptor

Returns:

type	description
`Result<FileDescriptor, Exception>`	`Ok(fd)` of the opened file or directory if successful or `Err(exception)` otherwise

Files

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Latest commit

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file.md

File metadata and controls

Types

File.FileDescriptor

File.LookupFlag

File.OpenFlag

File.Rights

File.FdFlag

File.Filetype

File.Whence

File.Stats

File.Filestats

File.DirectoryEntry

File.Prestat

Values

File.stdin

File.stdout

File.stderr

File.pathOpen

File.fdRead

File.fdPread

File.fdPrestatGet

File.fdWrite

File.fdPwrite

File.fdAllocate

File.fdClose

File.fdDatasync

File.fdSync

File.fdStats

File.fdSetFlags

File.fdSetRights

File.fdFilestats

File.fdSetSize

File.fdSetAccessTime

File.fdSetAccessTimeNow

File.fdSetModifiedTime

File.fdSetModifiedTimeNow

File.fdReaddir

File.fdRenumber

File.fdSeek

File.fdTell

File.pathCreateDirectory

File.pathFilestats

File.pathSetAccessTime

File.pathSetAccessTimeNow

File.pathSetModifiedTime

File.pathSetModifiedTimeNow

File.pathLink

File.pathSymlink

File.pathUnlink

File.pathReadlink

File.pathRemoveDirectory

File.pathRename

File.open