 the specified IP address and port number.
</p>

<p class="parameters">
<tt>Datagram</tt> is a string with the
datagram contents.
The maximum datagram size for UDP is 64K minus IP layer overhead.
However datagrams larger than the link layer packet size will be
fragmented, which may deteriorate performance and/or reliability.
<tt>Ip</tt> is the IP address of the recipient.
Host names are <em>not</em> allowed for performance reasons.

<tt>Port</tt> is the port number at the recipient.
</p>

<p class="return">