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div.deprecated pre.programlisting {border-style: double;border-color:red} pre.programlisting {border-style: double;background: #EECFA1} </style><title>Module hash from libxml2</title></head><body bgcolor="#8b7765" text="#000000" link="#a06060" vlink="#000000"><table border="0" width="100%" cellpadding="5" cellspacing="0" align="center"><tr><td width="120"><a href="http://swpat.ffii.org/"><img src="../epatents.png" alt="Action against software patents" /></a></td><td width="180"><a href="http://www.gnome.org/"><img src="../gnome2.png" alt="Gnome2 Logo" /></a><a href="http://www.w3.org/Status"><img src="../w3c.png" alt="W3C Logo" /></a><a href="http://www.redhat.com/"><img src="../redhat.gif" alt="Red Hat Logo" /></a><div align="left"><a href="http://xmlsoft.org/"><img src="../Libxml2-Logo-180x168.gif" alt="Made with Libxml2 Logo" /></a></div></td><td><table border="0" width="90%" cellpadding="2" cellspacing="0" align="center" bgcolor="#000000"><tr><td><table width="100%" border="0" 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height="24" border="0" alt="Up" /></a></td><th align="left"><a href="index.html">API documentation</a></th><td><a accesskey="h" href="../index.html"><img src="home.png" width="24" height="24" border="0" alt="Home" /></a></td><th align="center"><a href="../index.html">The XML C parser and toolkit of Gnome</a></th><th align="right"><a href="libxml-list.html">list</a></th><td><a accesskey="n" href="libxml-list.html"><img src="right.png" width="24" height="24" border="0" alt="Next" /></a></td></tr></table><p>This module implements the hash table support used in various places in the library. </p><h2>Table of Contents</h2><pre class="programlisting">#define <a href="#XML_CAST_FPTR">XML_CAST_FPTR</a></pre><pre class="programlisting">Structure <a href="#xmlHashTable">xmlHashTable</a><br />struct _xmlHashTable
The content of this structure is not made public by the API.
</pre><pre class=“programlisting”>Typedef <a
href=“libxml-hash.html#xmlHashTable”>xmlHashTable</a> * <a
name=“xmlHashTablePtr” id=“xmlHashTablePtr”>xmlHashTablePtr</a>
</pre><pre class=“programlisting”>int <a
href=“#xmlHashAddEntry”>xmlHashAddEntry</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> void * userdata)</pre>
<pre class=“programlisting”>int <a
href=“#xmlHashAddEntry2”>xmlHashAddEntry2</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> void * userdata)</pre>
<pre class=“programlisting”>int <a
href=“#xmlHashAddEntry3”>xmlHashAddEntry3</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3, <br
/> void * userdata)</pre>
<pre class=“programlisting”>Function type: <a
href=“#xmlHashCopier”>xmlHashCopier</a> void * <a
href=“#xmlHashCopier”>xmlHashCopier</a> (void
* payload, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name)
</pre> <pre class=“programlisting”><a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
<a href=“#xmlHashCopy”>xmlHashCopy</a> (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> <a
href=“libxml-hash.html#xmlHashCopier”>xmlHashCopier</a>
f)</pre> <pre class=“programlisting”><a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
<a href=“#xmlHashCreate”>xmlHashCreate</a> (int
size)</pre> <pre class=“programlisting”><a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
<a href=“#xmlHashCreateDict”>xmlHashCreateDict</a> (int
size, <br /> <a
href=“libxml-dict.html#xmlDictPtr”>xmlDictPtr</a>
dict)</pre> <pre class=“programlisting”>Function type: <a
href=“#xmlHashDeallocator”>xmlHashDeallocator</a> void <a
href=“#xmlHashDeallocator”>xmlHashDeallocator</a> (void
* payload, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name)
</pre> <pre class=“programlisting”>void <a
href=“#xmlHashDefaultDeallocator”>xmlHashDefaultDeallocator</a>
(void * entry, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> *
name)</pre> <pre class=“programlisting”>void <a
href=“#xmlHashFree”>xmlHashFree</a> (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> <a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)</pre> <pre class=“programlisting”>void * <a
href=“#xmlHashLookup”>xmlHashLookup</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> *
name)</pre> <pre class=“programlisting”>void * <a
href=“#xmlHashLookup2”>xmlHashLookup2</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> *
name2)</pre> <pre class=“programlisting”>void * <a
href=“#xmlHashLookup3”>xmlHashLookup3</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> *
name3)</pre> <pre class=“programlisting”>void * <a
href=“#xmlHashQLookup”>xmlHashQLookup</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * prefix, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> *
name)</pre> <pre class=“programlisting”>void * <a
href=“#xmlHashQLookup2”>xmlHashQLookup2</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * prefix, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * prefix2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> *
name2)</pre> <pre class=“programlisting”>void * <a
href=“#xmlHashQLookup3”>xmlHashQLookup3</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * prefix, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * prefix2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * prefix3, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> *
name3)</pre> <pre class=“programlisting”>int <a
href=“#xmlHashRemoveEntry”>xmlHashRemoveEntry</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> <a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)</pre> <pre class=“programlisting”>int <a
href=“#xmlHashRemoveEntry2”>xmlHashRemoveEntry2</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> <a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)</pre> <pre class=“programlisting”>int <a
href=“#xmlHashRemoveEntry3”>xmlHashRemoveEntry3</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3, <br
/> <a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)</pre> <pre class=“programlisting”>void <a
href=“#xmlHashScan”>xmlHashScan</a> (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> <a
href=“libxml-hash.html#xmlHashScanner”>xmlHashScanner</a> f,
<br /> void * data)</pre>
<pre class=“programlisting”>void <a
href=“#xmlHashScan3”>xmlHashScan3</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3, <br
/> <a
href=“libxml-hash.html#xmlHashScanner”>xmlHashScanner</a> f,
<br /> void * data)</pre>
<pre class=“programlisting”>void <a
href=“#xmlHashScanFull”>xmlHashScanFull</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> <a
href=“libxml-hash.html#xmlHashScannerFull”>xmlHashScannerFull</a>
f, <br /> void * data)</pre>
<pre class=“programlisting”>void <a
href=“#xmlHashScanFull3”>xmlHashScanFull3</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3, <br
/> <a
href=“libxml-hash.html#xmlHashScannerFull”>xmlHashScannerFull</a>
f, <br /> void * data)</pre>
<pre class=“programlisting”>Function type: <a
href=“#xmlHashScanner”>xmlHashScanner</a> void <a
href=“#xmlHashScanner”>xmlHashScanner</a> (void
* payload, <br /> void * data,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name)
</pre> <pre class=“programlisting”>Function type: <a
href=“#xmlHashScannerFull”>xmlHashScannerFull</a> void <a
href=“#xmlHashScannerFull”>xmlHashScannerFull</a> (void
* payload, <br /> void * data,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3)
</pre> <pre class=“programlisting”>int <a
href=“#xmlHashSize”>xmlHashSize</a> (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table)</pre> <pre class=“programlisting”>int <a
href=“#xmlHashUpdateEntry”>xmlHashUpdateEntry</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> void * userdata, <br />
<a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)</pre> <pre class=“programlisting”>int <a
href=“#xmlHashUpdateEntry2”>xmlHashUpdateEntry2</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> void * userdata, <br />
<a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)</pre> <pre class=“programlisting”>int <a
href=“#xmlHashUpdateEntry3”>xmlHashUpdateEntry3</a>
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3, <br
/> void * userdata, <br />
<a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)</pre> <h2>Description</h2> <h3><a
name=“XML_CAST_FPTR” id=“XML_CAST_FPTR”></a>Macro:
XML_CAST_FPTR</h3><pre>#define
XML_CAST_FPTR</pre><p>Macro to do a casting from an object
pointer to a function pointer without encountering a warning from gcc
define XML_CAST_FPTR(fptr) (*(void **)(&fptr)) This macro violated
ISO C aliasing rules (gcc4 on s390 broke) so it is disabled now</p>
<h3><a name=“xmlHashTable” id=“xmlHashTable”>Structure
xmlHashTable</a></h3><pre
class=“programlisting”>Structure xmlHashTable<br />struct
_xmlHashTable { The content of this structure is not made public by the
API. }</pre><h3><a name=“xmlHashAddEntry”
id=“xmlHashAddEntry”></a>Function:
xmlHashAddEntry</h3><pre class=“programlisting”>int
xmlHashAddEntry (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> void * userdata)<br />
</pre><p>Add the @userdata to the hash @table. This can later
be retrieved by using the @name. Duplicate names generate errors.</p>
<div class=“variablelist”><table border=“0”><col
align=“left” /><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>userdata
:</span></td><td>a
pointer to the userdata</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>0
the addition succeeded and -1 in case of
error.</td></tr></tbody></table></div><h3><a
name=“xmlHashAddEntry2” id=“xmlHashAddEntry2”></a>Function:
xmlHashAddEntry2</h3><pre class=“programlisting”>int
xmlHashAddEntry2 (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> void * userdata)<br />
</pre><p>Add the @userdata to the hash @table. This can later
be retrieved by using the (@name, @name2) tuple. Duplicate tuples generate
errors.</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>name2
:</span></td><td>a
second name of the
userdata</td></tr><tr><td><span
class=“term”>userdata
:</span></td><td>a
pointer to the userdata</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>0
the addition succeeded and -1 in case of
error.</td></tr></tbody></table></div><h3><a
name=“xmlHashAddEntry3” id=“xmlHashAddEntry3”></a>Function:
xmlHashAddEntry3</h3><pre class=“programlisting”>int
xmlHashAddEntry3 (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3, <br
/> void * userdata)<br />
</pre><p>Add the @userdata to the hash @table. This can later
be retrieved by using the tuple (@name, @name2, @name3). Duplicate entries
generate errors.</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>name2
:</span></td><td>a
second name of the
userdata</td></tr><tr><td><span
class=“term”>name3
:</span></td><td>a
third name of the
userdata</td></tr><tr><td><span
class=“term”>userdata
:</span></td><td>a
pointer to the userdata</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>0
the addition succeeded and -1 in case of
error.</td></tr></tbody></table></div><h3><a
name=“xmlHashCopier” id=“xmlHashCopier”></a>Function type:
xmlHashCopier</h3><pre class=“programlisting”>Function type:
xmlHashCopier void * xmlHashCopier (void * payload,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name)
</pre><p>Callback to copy data from a hash.</p><div
class=“variablelist”><table border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>payload
:</span></td><td>the
data in the hash</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name associated</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>a
copy of the data or NULL in case of
error.</td></tr></tbody></table></div><br
/> <h3><a name=“xmlHashCopy”
id=“xmlHashCopy”></a>Function: xmlHashCopy</h3><pre
class=“programlisting”><a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
xmlHashCopy (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> <a
href=“libxml-hash.html#xmlHashCopier”>xmlHashCopier</a> f)<br
/> </pre><p>Scan the hash @table and applied @f to each
value.</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>f
:</span></td><td>the
copier function for items in the
hash</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>the
new table or NULL in case of
error.</td></tr></tbody></table></div><h3><a
name=“xmlHashCreate” id=“xmlHashCreate”></a>Function:
xmlHashCreate</h3><pre class=“programlisting”><a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
xmlHashCreate (int size)<br /> </pre><p>Create
a new xmlHashTablePtr.</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>size
:</span></td><td>the
size of the hash table</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>the
newly created object, or NULL if an error
occurred.</td></tr></tbody></table></div><h3><a
name=“xmlHashCreateDict” id=“xmlHashCreateDict”></a>Function:
xmlHashCreateDict</h3><pre class=“programlisting”><a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
xmlHashCreateDict (int size, <br />
<a href=“libxml-dict.html#xmlDictPtr”>xmlDictPtr</a>
dict)<br /> </pre><p>Create a new <a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> which
will use @dict as the internal dictionary</p> <div
class=“variablelist”><table border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>size
:</span></td><td>the
size of the hash table</td></tr><tr><td><span
class=“term”>dict
:</span></td><td>a
dictionary to use for the
hash</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>the
newly created object, or NULL if an error
occurred.</td></tr></tbody></table></div><h3><a
name=“xmlHashDeallocator” id=“xmlHashDeallocator”></a>Function
type: xmlHashDeallocator</h3><pre
class=“programlisting”>Function type: xmlHashDeallocator void
xmlHashDeallocator (void * payload, <br />
const <a href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> *
name) </pre><p>Callback to free data from a
hash.</p><div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>payload
:</span></td><td>the
data in the hash</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name
associated</td></tr></tbody></table></div><br
/> <h3><a name=“xmlHashDefaultDeallocator”
id=“xmlHashDefaultDeallocator”></a>Function:
xmlHashDefaultDeallocator</h3><pre class=“programlisting”>void
xmlHashDefaultDeallocator (void * entry, <br />
const <a href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> *
name)<br /> </pre><p>Free a hash table entry with
xmlFree.</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>entry
:</span></td><td>the
hash table entry</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
entry's
name</td></tr></tbody></table></div><h3><a
name=“xmlHashFree” id=“xmlHashFree”></a>Function:
xmlHashFree</h3><pre class=“programlisting”>void xmlHashFree
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> <a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)<br /> </pre><p>Free the hash @table and its contents.
The userdata is deallocated with @f if provided.</p> <div
class=“variablelist”><table border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>f
:</span></td><td>the
deallocator function for items in the
hash</td></tr></tbody></table></div><h3><a
name=“xmlHashLookup” id=“xmlHashLookup”></a>Function:
xmlHashLookup</h3><pre class=“programlisting”>void *
xmlHashLookup (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name)<br
/> </pre><p>Find the userdata specified by the
@name.</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>the
pointer to the
userdata</td></tr></tbody></table></div><h3><a
name=“xmlHashLookup2” id=“xmlHashLookup2”></a>Function:
xmlHashLookup2</h3><pre class=“programlisting”>void *
xmlHashLookup2 (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2)<br
/> </pre><p>Find the userdata specified by the (@name,
@name2) tuple.</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>name2
:</span></td><td>a
second name of the
userdata</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>the
pointer to the
userdata</td></tr></tbody></table></div><h3><a
name=“xmlHashLookup3” id=“xmlHashLookup3”></a>Function:
xmlHashLookup3</h3><pre class=“programlisting”>void *
xmlHashLookup3 (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3)<br
/> </pre><p>Find the userdata specified by the (@name,
@name2, @name3) tuple.</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>name2
:</span></td><td>a
second name of the
userdata</td></tr><tr><td><span
class=“term”>name3
:</span></td><td>a
third name of the
userdata</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>the
a pointer to the
userdata</td></tr></tbody></table></div><h3><a
name=“xmlHashQLookup” id=“xmlHashQLookup”></a>Function:
xmlHashQLookup</h3><pre class=“programlisting”>void *
xmlHashQLookup (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * prefix, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name)<br
/> </pre><p>Find the userdata specified by the QName
@prefix:@name/@name.</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>prefix
:</span></td><td>the
prefix of the userdata</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>the
pointer to the
userdata</td></tr></tbody></table></div><h3><a
name=“xmlHashQLookup2” id=“xmlHashQLookup2”></a>Function:
xmlHashQLookup2</h3><pre class=“programlisting”>void *
xmlHashQLookup2 (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * prefix, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * prefix2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2)<br
/> </pre><p>Find the userdata specified by the QNames
tuple</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>prefix
:</span></td><td>the
prefix of the userdata</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>prefix2
:</span></td><td>the
second prefix of the
userdata</td></tr><tr><td><span
class=“term”>name2
:</span></td><td>a
second name of the
userdata</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>the
pointer to the
userdata</td></tr></tbody></table></div><h3><a
name=“xmlHashQLookup3” id=“xmlHashQLookup3”></a>Function:
xmlHashQLookup3</h3><pre class=“programlisting”>void *
xmlHashQLookup3 (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * prefix, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * prefix2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * prefix3, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3)<br
/> </pre><p>Find the userdata specified by the (@name,
@name2, @name3) tuple.</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>prefix
:</span></td><td>the
prefix of the userdata</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>prefix2
:</span></td><td>the
second prefix of the
userdata</td></tr><tr><td><span
class=“term”>name2
:</span></td><td>a
second name of the
userdata</td></tr><tr><td><span
class=“term”>prefix3
:</span></td><td>the
third prefix of the
userdata</td></tr><tr><td><span
class=“term”>name3
:</span></td><td>a
third name of the
userdata</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>the
a pointer to the
userdata</td></tr></tbody></table></div><h3><a
name=“xmlHashRemoveEntry” id=“xmlHashRemoveEntry”></a>Function:
xmlHashRemoveEntry</h3><pre class=“programlisting”>int
xmlHashRemoveEntry (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> <a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)<br /> </pre><p>Find the userdata specified by the
@name and remove it from the hash @table. Existing userdata for this tuple
will be removed and freed with @f.</p> <div
class=“variablelist”><table border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>f
:</span></td><td>the
deallocator function for removed item (if
any)</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>0
if the removal succeeded and -1 in case of error or not
found.</td></tr></tbody></table></div><h3><a
name=“xmlHashRemoveEntry2” id=“xmlHashRemoveEntry2”></a>Function:
xmlHashRemoveEntry2</h3><pre class=“programlisting”>int
xmlHashRemoveEntry2 (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> <a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)<br /> </pre><p>Find the userdata specified by the
(@name, @name2) tuple and remove it from the hash @table. Existing userdata
for this tuple will be removed and freed with @f.</p> <div
class=“variablelist”><table border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>name2
:</span></td><td>a
second name of the
userdata</td></tr><tr><td><span
class=“term”>f
:</span></td><td>the
deallocator function for removed item (if
any)</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>0
if the removal succeeded and -1 in case of error or not
found.</td></tr></tbody></table></div><h3><a
name=“xmlHashRemoveEntry3” id=“xmlHashRemoveEntry3”></a>Function:
xmlHashRemoveEntry3</h3><pre class=“programlisting”>int
xmlHashRemoveEntry3 (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3, <br
/> <a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)<br /> </pre><p>Find the userdata specified by the
(@name, @name2, @name3) tuple and remove it from the hash @table. Existing
userdata for this tuple will be removed and freed with @f.</p>
<div class=“variablelist”><table border=“0”><col
align=“left” /><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>name2
:</span></td><td>a
second name of the
userdata</td></tr><tr><td><span
class=“term”>name3
:</span></td><td>a
third name of the
userdata</td></tr><tr><td><span
class=“term”>f
:</span></td><td>the
deallocator function for removed item (if
any)</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>0
if the removal succeeded and -1 in case of error or not
found.</td></tr></tbody></table></div><h3><a
name=“xmlHashScan” id=“xmlHashScan”></a>Function:
xmlHashScan</h3><pre class=“programlisting”>void xmlHashScan
(<a href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table, <br /> <a
href=“libxml-hash.html#xmlHashScanner”>xmlHashScanner</a> f,
<br /> void * data)<br />
</pre><p>Scan the hash @table and applied @f to each
value.</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>f
:</span></td><td>the
scanner function for items in the
hash</td></tr><tr><td><span
class=“term”>data
:</span></td><td>extra
data passed to
f</td></tr></tbody></table></div><h3><a
name=“xmlHashScan3” id=“xmlHashScan3”></a>Function:
xmlHashScan3</h3><pre class=“programlisting”>void
xmlHashScan3 (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3, <br
/> <a
href=“libxml-hash.html#xmlHashScanner”>xmlHashScanner</a> f,
<br /> void * data)<br />
</pre><p>Scan the hash @table and applied @f to each value
matching (@name, @name2, @name3) tuple. If one of the names is null, the
comparison is considered to match.</p> <div
class=“variablelist”><table border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata or
NULL</td></tr><tr><td><span
class=“term”>name2
:</span></td><td>a
second name of the userdata or
NULL</td></tr><tr><td><span
class=“term”>name3
:</span></td><td>a
third name of the userdata or
NULL</td></tr><tr><td><span
class=“term”>f
:</span></td><td>the
scanner function for items in the
hash</td></tr><tr><td><span
class=“term”>data
:</span></td><td>extra
data passed to
f</td></tr></tbody></table></div><h3><a
name=“xmlHashScanFull” id=“xmlHashScanFull”></a>Function:
xmlHashScanFull</h3><pre class=“programlisting”>void
xmlHashScanFull (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> <a
href=“libxml-hash.html#xmlHashScannerFull”>xmlHashScannerFull</a>
f, <br /> void * data)<br />
</pre><p>Scan the hash @table and applied @f to each
value.</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>f
:</span></td><td>the
scanner function for items in the
hash</td></tr><tr><td><span
class=“term”>data
:</span></td><td>extra
data passed to
f</td></tr></tbody></table></div><h3><a
name=“xmlHashScanFull3” id=“xmlHashScanFull3”></a>Function:
xmlHashScanFull3</h3><pre class=“programlisting”>void
xmlHashScanFull3 (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3, <br
/> <a
href=“libxml-hash.html#xmlHashScannerFull”>xmlHashScannerFull</a>
f, <br /> void * data)<br />
</pre><p>Scan the hash @table and applied @f to each value
matching (@name, @name2, @name3) tuple. If one of the names is null, the
comparison is considered to match.</p> <div
class=“variablelist”><table border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata or
NULL</td></tr><tr><td><span
class=“term”>name2
:</span></td><td>a
second name of the userdata or
NULL</td></tr><tr><td><span
class=“term”>name3
:</span></td><td>a
third name of the userdata or
NULL</td></tr><tr><td><span
class=“term”>f
:</span></td><td>the
scanner function for items in the
hash</td></tr><tr><td><span
class=“term”>data
:</span></td><td>extra
data passed to
f</td></tr></tbody></table></div><h3><a
name=“xmlHashScanner” id=“xmlHashScanner”></a>Function type:
xmlHashScanner</h3><pre class=“programlisting”>Function type:
xmlHashScanner void xmlHashScanner (void * payload,
<br /> void * data, <br />
const <a href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> *
name) </pre><p>Callback when scanning data in a hash with the
simple scanner.</p><div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>payload
:</span></td><td>the
data in the hash</td></tr><tr><td><span
class=“term”>data
:</span></td><td>extra
scanner data</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name
associated</td></tr></tbody></table></div><br
/> <h3><a name=“xmlHashScannerFull”
id=“xmlHashScannerFull”></a>Function type:
xmlHashScannerFull</h3><pre class=“programlisting”>Function
type: xmlHashScannerFull void xmlHashScannerFull (void *
payload, <br /> void * data, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3)
</pre><p>Callback when scanning data in a hash with the full
scanner.</p><div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>payload
:</span></td><td>the
data in the hash</td></tr><tr><td><span
class=“term”>data
:</span></td><td>extra
scanner data</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name associated</td></tr><tr><td><span
class=“term”>name2
:</span></td><td>the
second name associated</td></tr><tr><td><span
class=“term”>name3
:</span></td><td>the
third name
associated</td></tr></tbody></table></div><br
/> <h3><a name=“xmlHashSize”
id=“xmlHashSize”></a>Function: xmlHashSize</h3><pre
class=“programlisting”>int xmlHashSize (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a>
table)<br /> </pre><p>Query the number of elements
installed in the hash @table.</p> <div
class=“variablelist”><table border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>the
number of elements in the hash table or -1 in case of
error</td></tr></tbody></table></div><h3><a
name=“xmlHashUpdateEntry” id=“xmlHashUpdateEntry”></a>Function:
xmlHashUpdateEntry</h3><pre class=“programlisting”>int
xmlHashUpdateEntry (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> void * userdata, <br />
<a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)<br /> </pre><p>Add the @userdata to the hash @table.
This can later be retrieved by using the @name. Existing entry for this
@name will be removed and freed with @f if found.</p> <div
class=“variablelist”><table border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>userdata
:</span></td><td>a
pointer to the userdata</td></tr><tr><td><span
class=“term”>f
:</span></td><td>the
deallocator function for replaced item (if
any)</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>0
the addition succeeded and -1 in case of
error.</td></tr></tbody></table></div><h3><a
name=“xmlHashUpdateEntry2” id=“xmlHashUpdateEntry2”></a>Function:
xmlHashUpdateEntry2</h3><pre class=“programlisting”>int
xmlHashUpdateEntry2 (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> void * userdata, <br />
<a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)<br /> </pre><p>Add the @userdata to the hash @table.
This can later be retrieved by using the (@name, @name2) tuple. Existing
entry for this tuple will be removed and freed with @f if found.</p>
<div class=“variablelist”><table border=“0”><col
align=“left” /><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>name2
:</span></td><td>a
second name of the
userdata</td></tr><tr><td><span
class=“term”>userdata
:</span></td><td>a
pointer to the userdata</td></tr><tr><td><span
class=“term”>f
:</span></td><td>the
deallocator function for replaced item (if
any)</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>0
the addition succeeded and -1 in case of
error.</td></tr></tbody></table></div><h3><a
name=“xmlHashUpdateEntry3” id=“xmlHashUpdateEntry3”></a>Function:
xmlHashUpdateEntry3</h3><pre class=“programlisting”>int
xmlHashUpdateEntry3 (<a
href=“libxml-hash.html#xmlHashTablePtr”>xmlHashTablePtr</a> table,
<br /> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name2, <br
/> const <a
href=“libxml-xmlstring.html#xmlChar”>xmlChar</a> * name3, <br
/> void * userdata, <br />
<a
href=“libxml-hash.html#xmlHashDeallocator”>xmlHashDeallocator</a>
f)<br /> </pre><p>Add the @userdata to the hash @table.
This can later be retrieved by using the tuple (@name, @name2, @name3).
Existing entry for this tuple will be removed and freed with @f if
found.</p> <div class=“variablelist”><table
border=“0”><col align=“left”
/><tbody><tr><td><span
class=“term”>table
:</span></td><td>the
hash table</td></tr><tr><td><span
class=“term”>name
:</span></td><td>the
name of the userdata</td></tr><tr><td><span
class=“term”>name2
:</span></td><td>a
second name of the
userdata</td></tr><tr><td><span
class=“term”>name3
:</span></td><td>a
third name of the
userdata</td></tr><tr><td><span
class=“term”>userdata
:</span></td><td>a
pointer to the userdata</td></tr><tr><td><span
class=“term”>f
:</span></td><td>the
deallocator function for replaced item (if
any)</td></tr><tr><td><span
class=“term”>Returns
:</span></td><td>0
the addition succeeded and -1 in case of
error.</td></tr></tbody></table></div><p><a
href=“../bugs.html”>Daniel
Veillard</a></p></td></tr></table></td></tr></table></td></tr></table></td></tr></table></td></tr></table></body></html>