pkg os, func Lchown(string, int, int) error
pkg os, func Link(string, string) error
pkg os, func Lstat(string) (FileInfo, error)
pkg os, func Mkdir(string, FileMode) error
pkg os, func MkdirAll(string, FileMode) error
pkg os, func NewFile(uintptr, string) *File
pkg os, func NewSyscallError(string, error) error
pkg os, func Open(string) (*File, error)
pkg os, func OpenFile(string, int, FileMode) (*File, error)