16"></a>00016 <span class="comment">**   message data types.</span>
<a name="l00017"></a>00017 <span class="comment">**</span>
<a name="l00018"></a>00018 <span class="comment">** Notes:</span>
<a name="l00019"></a>00019 <span class="comment">**   Constants and enumerated types related to these message structures</span>
<a name="l00020"></a>00020 <span class="comment">**   are defined in sc_msgdefs.h. They are kept separate to allow easy </span>
<a name="l00021"></a>00021 <span class="comment">**   integrati