err := w.WriteHeader(&Header{
		Name: "lorem.txt",

pkg net/smtp, method (*Client) Data() (io.WriteCloser, error)
pkg net/smtp, method (*Client) Extension(string) (bool, string)
pkg net/smtp, method (*Client) Mail(string) error
pkg net/smtp, method (*Client) Quit() error
pkg net/smtp, method (*Client) Rcpt(string) error
pkg net/smtp, method (*Client) Reset() error
pkg net/smtp, method (*Client) StartTLS(*tls.Config) error
pkg net/smtp, method (*Client) Verify(string) error

	// Forward SIGQUIT from the go command to show backtraces from
	// the binary instead of from this wrapper.
	quit := make(chan os.Signal, 1)
	signal.Notify(quit, syscall.SIGQUIT)
	go func() {
		for range quit {
			// We don't have the PID of the running process; use the
			// binary name instead.
			adb("exec-out", "killall -QUIT "+binName)
		}
	}()
	cmd := `export TMPDIR="` + deviceGotmp + `"` +