pkg io, var ErrUnexpectedEOF error
pkg io/ioutil, func NopCloser(io.Reader) io.ReadCloser
pkg io/ioutil, func ReadAll(io.Reader) ([]uint8, error)
pkg io/ioutil, func ReadDir(string) ([]os.FileInfo, error)
pkg io/ioutil, func ReadFile(string) ([]uint8, error)
pkg io/ioutil, func TempDir(string, string) (string, error)
pkg io/ioutil, func TempFile(string, string) (*os.File, error)
pkg io/ioutil, func WriteFile(string, []uint8, os.FileMode) error