fo structure.">th_info_init()</a>. The application may immediately begin using the contents of this structure after the first header is decoded, though it must continue to be passed in on all subsequent calls. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>_tc</em>&nbsp;</td><td>A <a class="el" href="structth__comment.html" title="The comment information.">th_comment</a> structure to fill in. The application may immediately begin using the contents of this structure after the second header is