# File lib/usb.rb, line 409
    def get_string_simple(index)
      result = "\0" * 1024
      begin
        self.usb_get_string_simple(index, result)
      rescue Errno::EPIPE, Errno::EFBIG, Errno::EPERM
        return nil
      end
      result.delete!("\0")
      result
    end