code: public synchronized static void write(int fd, CharBuffer ... data) throws IllegalStateException, IOException {
          write(fd, StandardCharsets.US_ASCII, data);
      }
docs: <p>Sends one or more ASCII CharBuffers to the serial port/device identified by the given file descriptor.</p>
  
  @param fd
  The file descriptor of the serial port/device.
  @param data
  One or more ASCII CharBuffers (or an array) of data to be transmitted. (variable-length-argument)