code: public InetAddress
  getAddress(int family) throws IOException {
  	String next = _getIdentifier("an address");
  	try {
  		return Address.getByAddress(next, family);
  	}
  	catch (UnknownHostException e) {
  		throw exception(e.getMessage());
  	}
  }
docs: Gets the next token from a tokenizer and converts it to an IP Address.
  @param family The address family.
  @return The next token in the stream, as an InetAddress
  @throws TextParseException The input was invalid or not a valid address.
  @throws IOException An I/O error occurred.
  @see Address