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)
pkg os, func Pipe() (*File, *File, error)
pkg os, func Readlink(string) (string, error)