the library. Default value is 0.
</p>
</dd>
<dt>&lsquo;<samp>iptos=<var>tos</var></samp>&rsquo;</dt>
<dd><p>IP Type of Service. Applies to sender only. Default value is 0xB8.
</p>
</dd>
<dt>&lsquo;<samp>ipttl=<var>ttl</var></samp>&rsquo;</dt>
<dd><p>IP Time To Live. Applies to sender only. Default value is 64.
</p>
</dd>
<dt>&lsquo;<samp>latency</samp>&rsquo;</dt>
<dd><p>Timestamp-based Packet Delivery Delay.
Used to absorb bursts of missed packet retransmissions.
This flag sets both &lsquo;<samp>rcvlatency