>Usage:</p><p>tree2 &lt;filename&gt;  -Default output: stdout</p><p>Author: Lucas Brasilino &lt;brasilino@recife.pe.gov.br&gt;</p><h3><a name="tree1.c" href="tree1.c" id="tree1.c">tree1.c</a>: Navigates a tree to print element names</h3><p>Parse a file to a tree, use xmlDocGetRootElement() to get the root element, then walk the document and print all the element name in document order.</p><p>Includes:</p><ul><li><a href="../html/libxml-tree.html">&lt;libxml/tree.h&gt;</a></li><li><a href="../html/libxml-par