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xml开源解析代码.版本为libxml2-2.6.29,可支持GB3212.网络消息发送XML时很有用.

        <div class="refsect2" lang="en"><h3><a name="XML_LOCAL_NAMESPACE">Macro </a>XML_LOCAL_NAMESPACE</h3><pre class="programlisting">#define <a href="#XML_LOCAL_NAMESPACE">XML_LOCAL_NAMESPACE</a>;
</pre><p>A namespace declaration node.</p>
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        <div class="refsect2" lang="en"><h3><a name="XML_XML_ID">Macro </a>XML_XML_ID</h3><pre class="programlisting">#define <a href="#XML_XML_ID">XML_XML_ID</a>;
</pre><p>This is the name for the special xml:id <a href="libxml2-SAX.html#attribute">attribute</a></p>
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        <div class="refsect2" lang="en"><h3><a name="XML_XML_NAMESPACE">Macro </a>XML_XML_NAMESPACE</h3><pre class="programlisting">#define <a href="#XML_XML_NAMESPACE">XML_XML_NAMESPACE</a>;
</pre><p>This is the namespace for the special xml: prefix predefined in the XML Namespace specification.</p>
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        <div class="refsect2" lang="en"><h3><a name="xmlChildrenNode">Macro </a>xmlChildrenNode</h3><pre class="programlisting">#define <a href="#xmlChildrenNode">xmlChildrenNode</a>;
</pre><p>Macro for compatibility naming layer with libxml1. Maps to "children."</p>
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        <div class="refsect2" lang="en"><h3><a name="xmlRootNode">Macro </a>xmlRootNode</h3><pre class="programlisting">#define <a href="#xmlRootNode">xmlRootNode</a>;
</pre><p>Macro for compatibility naming layer with libxml1. Maps to "children".</p>
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        <div class="refsect2" lang="en"><h3><a name="xmlAttr">Structure </a>xmlAttr</h3><pre class="programlisting">struct _xmlAttr {
    void *	_private	: application data
    <a href="libxml2-tree.html#xmlElementType">xmlElementType</a>	type	: XML_ATTRIBUTE_NODE, must be second !
    const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> *	name	: the name of the property
    struct _xmlNode *	children	: the value of the property
    struct _xmlNode *	last	: NULL
    struct _xmlNode *	parent	: child-&gt;parent link
    struct _xmlAttr *	next	: next sibling link
    struct _xmlAttr *	prev	: previous sibling link
    struct _xmlDoc *	doc	: the containing document
    <a href="libxml2-tree.html#xmlNs">xmlNs</a> *	ns	: pointer to the associated namespace
    <a href="libxml2-tree.html#xmlAttributeType">xmlAttributeType</a>	atype	: the <a href="libxml2-SAX.html#attribute">attribute</a> type if validating
    void *	psvi	: for type/PSVI informations
} xmlAttr;
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        <div class="refsect2" lang="en"><h3><a name="xmlAttrPtr">Typedef </a>xmlAttrPtr</h3><pre class="programlisting"><a href="libxml2-tree.html#xmlAttr">xmlAttr</a> * xmlAttrPtr;
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        <div class="refsect2" lang="en"><h3><a name="xmlAttribute">Structure </a>xmlAttribute</h3><pre class="programlisting">struct _xmlAttribute {
    void *	_private	: application data
    <a href="libxml2-tree.html#xmlElementType">xmlElementType</a>	type	: XML_ATTRIBUTE_DECL, must be second !
    const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> *	name	: Attribute name
    struct _xmlNode *	children	: NULL
    struct _xmlNode *	last	: NULL
    struct _xmlDtd *	parent	: -&gt; DTD
    struct _xmlNode *	next	: next sibling link
    struct _xmlNode *	prev	: previous sibling link
    struct _xmlDoc *	doc	: the containing document
    struct _xmlAttribute *	nexth	: next in hash table
    <a href="libxml2-tree.html#xmlAttributeType">xmlAttributeType</a>	atype	: The <a href="libxml2-SAX.html#attribute">attribute</a> type
    <a href="libxml2-tree.html#xmlAttributeDefault">xmlAttributeDefault</a>	def	: the default
    const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> *	defaultValue	: or the default value
    <a href="libxml2-tree.html#xmlEnumerationPtr">xmlEnumerationPtr</a>	tree	: or the enumeration tree if any
    const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> *	prefix	: the namespace prefix if any
    const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> *	elem	: Element holding the <a href="libxml2-SAX.html#attribute">attribute</a>
} xmlAttribute;
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        <div class="refsect2" lang="en"><h3><a name="xmlAttributeDefault">Enum </a>xmlAttributeDefault</h3><pre class="programlisting">enum <a href="#xmlAttributeDefault">xmlAttributeDefault</a> {
    <a name="XML_ATTRIBUTE_NONE">XML_ATTRIBUTE_NONE</a> = 1
    <a name="XML_ATTRIBUTE_REQUIRED">XML_ATTRIBUTE_REQUIRED</a> = 2
    <a name="XML_ATTRIBUTE_IMPLIED">XML_ATTRIBUTE_IMPLIED</a> = 3
    <a name="XML_ATTRIBUTE_FIXED">XML_ATTRIBUTE_FIXED</a> = 4
};
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        <div class="refsect2" lang="en"><h3><a name="xmlAttributePtr">Typedef </a>xmlAttributePtr</h3><pre class="programlisting"><a href="libxml2-tree.html#xmlAttribute">xmlAttribute</a> * xmlAttributePtr;
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        <div class="refsect2" lang="en"><h3><a name="xmlAttributeType">Enum </a>xmlAttributeType</h3><pre class="programlisting">enum <a href="#xmlAttributeType">xmlAttributeType</a> {
    <a name="XML_ATTRIBUTE_CDATA">XML_ATTRIBUTE_CDATA</a> = 1
    <a name="XML_ATTRIBUTE_ID">XML_ATTRIBUTE_ID</a> = 2
    <a name="XML_ATTRIBUTE_IDREF">XML_ATTRIBUTE_IDREF</a> = 3
    <a name="XML_ATTRIBUTE_IDREFS">XML_ATTRIBUTE_IDREFS</a> = 4
    <a name="XML_ATTRIBUTE_ENTITY">XML_ATTRIBUTE_ENTITY</a> = 5
    <a name="XML_ATTRIBUTE_ENTITIES">XML_ATTRIBUTE_ENTITIES</a> = 6
    <a name="XML_ATTRIBUTE_NMTOKEN">XML_ATTRIBUTE_NMTOKEN</a> = 7
    <a name="XML_ATTRIBUTE_NMTOKENS">XML_ATTRIBUTE_NMTOKENS</a> = 8
    <a name="XML_ATTRIBUTE_ENUMERATION">XML_ATTRIBUTE_ENUMERATION</a> = 9
    <a name="XML_ATTRIBUTE_NOTATION">XML_ATTRIBUTE_NOTATION</a> = 10
};
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        <div class="refsect2" lang="en"><h3><a name="xmlBuffer">Structure </a>xmlBuffer</h3><pre class="programlisting">struct _xmlBuffer {
    <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> *	content	: The buffer content UTF8
    unsigned int	use	: The buffer size used
    unsigned int	size	: The buffer size
    <a href="libxml2-tree.html#xmlBufferAllocationScheme">xmlBufferAllocationScheme</a>	alloc	: The realloc method
} xmlBuffer;
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        <div class="refsect2" lang="en"><h3><a name="xmlBufferAllocationScheme">Enum </a>xmlBufferAllocationScheme</h3><pre class="programlisting">enum <a href="#xmlBufferAllocationScheme">xmlBufferAllocationScheme</a> {
    <a name="XML_BUFFER_ALLOC_DOUBLEIT">XML_BUFFER_ALLOC_DOUBLEIT</a> = 1
    <a name="XML_BUFFER_ALLOC_EXACT">XML_BUFFER_ALLOC_EXACT</a> = 2
    <a name="XML_BUFFER_ALLOC_IMMUTABLE">XML_BUFFER_ALLOC_IMMUTABLE</a> = 3
};
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        <div class="refsect2" lang="en"><h3><a name="xmlBufferPtr">Typedef </a>xmlBufferPtr</h3><pre class="programlisting"><a href="libxml2-tree.html#xmlBuffer">xmlBuffer</a> * xmlBufferPtr;
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        <div class="refsect2" lang="en"><h3><a name="xmlDOMWrapCtxt">Structure </a>xmlDOMWrapCtxt</h3><pre class="programlisting">struct _xmlDOMWrapCtxt {
    void *	_private	: * The type of this context, just in case we need specialized * context
    int	type	: * Internal namespace map used for various operations. *
    void *	namespaceMap	: * Use this one to acquire an <a href="libxml2-tree.html#xmlNsPtr">xmlNsPtr</a> intended for node-&gt;ns. * (Note t
    <a href="libxml2-tree.html#xmlDOMWrapAcquireNsFunction">xmlDOMWrapAcquireNsFunction</a>	getNsForNodeFunc
} xmlDOMWrapCtxt;
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        <div class="refsect2" lang="en"><h3><a name="xmlDOMWrapCtxtPtr">Typedef </a>xmlDOMWrapCtxtPtr</h3><pre class="programlisting"><a href="libxml2-tree.html#xmlDOMWrapCtxt">xmlDOMWrapCtxt</a> * xmlDOMWrapCtxtPtr;
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        <div class="refsect2" lang="en"><h3><a name="xmlDoc">Structure </a>xmlDoc</h3><pre class="programlisting">struct _xmlDoc {
    void *	_private	: application data
    <a href="libxml2-tree.html#xmlElementType">xmlElementType</a>	type	: XML_DOCUMENT_NODE, must be second !
    char *	name	: name/filename/URI of the document
    struct _xmlNode *	children	: the document tree
    struct _xmlNode *	last	: last child link
    struct _xmlNode *	parent	: child-&gt;parent link
    struct _xmlNode *	next	: next sibling link
    struct _xmlNode *	prev	: previous sibling link
    struct _xmlDoc *	doc	: autoreference to itself End of common part
    int	compression	: level of zlib compression
    int	standalone	: standalone document (no external refs) 1 if standalone="yes" 0 if sta
    struct _xmlDtd *	intSubset	: the document internal subset
    struct _xmlDtd *	extSubset	: the document external subset