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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Data Types</title><meta name="generator" content="DocBook XSL Stylesheets V1.61.2"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="index.html" title="Libxml Tutorial"><link rel="next" href="ar01s03.html" title="Parsing the file"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Data Types</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="index.html">Prev</a>�</td><th width="60%" align="center">�</th><td width="20%" align="right">�<a accesskey="n" href="ar01s03.html">Next</a></td></tr></table><hr></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="xmltutorialdatatypes"></a>Data Types</h2></div></div><div></div></div><p><span class="application">Libxml</span> declares a number of data types we
will encounter repeatedly, hiding the messy stuff so you do not have to deal
with it unless you have some specific need.</p><p>
</p><div class="variablelist"><dl><dt><span class="term"><a class="indexterm" name="id2526186"></a>
<a href="https://gnome.pages.gitlab.gnome.org/libxml2/devhelp/libxml2-tree.html#XMLCHAR" target="_top">xmlChar</a></span></dt><dd><p>A basic replacement for char, a byte in a UTF-8 encoded
string. If your data uses another encoding, it must be converted to
UTF-8 for use with <span class="application">libxml's</span>
functions. More information on encoding is available on the <a href="https://gitlab.gnome.org/GNOME/libxml2/-/wikis/Encodings-support" target="_top"><span class="application">libxml</span> encoding support web page</a>.</p></dd><dt><span class="term"><a class="indexterm" name="id2526232"></a>
<a href="https://gnome.pages.gitlab.gnome.org/libxml2/devhelp/libxml2-tree.html#XMLDOC" target="_top">xmlDoc</a></span></dt><dd><p>A structure containing the tree created by a parsed doc. <a href="https://gnome.pages.gitlab.gnome.org/libxml2/devhelp/libxml2-tree.html#XMLDOCPTR" target="_top">xmlDocPtr</a>
is a pointer to the structure.</p></dd><dt><span class="term"><a class="indexterm" name="id2526266"></a>
<a href="https://gnome.pages.gitlab.gnome.org/libxml2/devhelp/libxml2-tree.html#XMLNODEPTR" target="_top">xmlNodePtr</a>
and <a href="https://gnome.pages.gitlab.gnome.org/libxml2/devhelp/libxml2-tree.html#XMLNODE" target="_top">xmlNode</a></span></dt><dd><p>A structure containing a single node. <a href="https://gnome.pages.gitlab.gnome.org/libxml2/devhelp/libxml2-tree.html#XMLNODEPTR" target="_top">xmlNodePtr</a>
is a pointer to the structure, and is used in traversing the document tree.</p></dd></dl></div><p>
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