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Edit File: libxml2-list.html
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>list: lists interfaces</title> <meta name="generator" content="Libxml2 devhelp stylesheet"> <link rel="start" href="index.html" title="libxml2 Reference Manual"> <link rel="up" href="general.html" title="API"> <link rel="stylesheet" href="style.css" type="text/css"> <link rel="chapter" href="general.html" title="API"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"> <td><a accesskey="p" href="libxml2-hash.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td> <td><a accesskey="u" href="general.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td> <td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td> <td><a accesskey="n" href="libxml2-nanoftp.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td> <th width="100%" align="center">libxml2 Reference Manual</th> </tr></table> <h2><span class="refentrytitle">list</span></h2> <p>list - lists interfaces</p> <p>this module implement the list support used in various place in the library. </p> <p>Author(s): Gary Pennington <Gary.Pennington@uk.sun.com> </p> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <pre class="synopsis">typedef struct _xmlLink <a href="#xmlLink">xmlLink</a>; typedef <a href="libxml2-list.html#xmlLink">xmlLink</a> * <a href="#xmlLinkPtr">xmlLinkPtr</a>; typedef struct _xmlList <a href="#xmlList">xmlList</a>; typedef <a href="libxml2-list.html#xmlList">xmlList</a> * <a href="#xmlListPtr">xmlListPtr</a>; void * <a href="#xmlLinkGetData">xmlLinkGetData</a> (<a href="libxml2-list.html#xmlLinkPtr">xmlLinkPtr</a> lk); int <a href="#xmlListAppend">xmlListAppend</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data); void <a href="#xmlListClear">xmlListClear</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l); int <a href="#xmlListCopy">xmlListCopy</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> cur, <br> const <a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> old); <a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> <a href="#xmlListCreate">xmlListCreate</a> (<a href="libxml2-list.html#xmlListDeallocator">xmlListDeallocator</a> deallocator, <br> <a href="libxml2-list.html#xmlListDataCompare">xmlListDataCompare</a> compare); typedef int <a href="#xmlListDataCompare">xmlListDataCompare</a> (const void * data0, <br> const void * data1); typedef void <a href="#xmlListDeallocator">xmlListDeallocator</a> (<a href="libxml2-list.html#xmlLinkPtr">xmlLinkPtr</a> lk); void <a href="#xmlListDelete">xmlListDelete</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l); <a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> <a href="#xmlListDup">xmlListDup</a> (const <a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> old); int <a href="#xmlListEmpty">xmlListEmpty</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l); <a href="libxml2-list.html#xmlLinkPtr">xmlLinkPtr</a> <a href="#xmlListEnd">xmlListEnd</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l); <a href="libxml2-list.html#xmlLinkPtr">xmlLinkPtr</a> <a href="#xmlListFront">xmlListFront</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l); int <a href="#xmlListInsert">xmlListInsert</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data); void <a href="#xmlListMerge">xmlListMerge</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l1, <br> <a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l2); void <a href="#xmlListPopBack">xmlListPopBack</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l); void <a href="#xmlListPopFront">xmlListPopFront</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l); int <a href="#xmlListPushBack">xmlListPushBack</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data); int <a href="#xmlListPushFront">xmlListPushFront</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data); int <a href="#xmlListRemoveAll">xmlListRemoveAll</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data); int <a href="#xmlListRemoveFirst">xmlListRemoveFirst</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data); int <a href="#xmlListRemoveLast">xmlListRemoveLast</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data); void <a href="#xmlListReverse">xmlListReverse</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l); void * <a href="#xmlListReverseSearch">xmlListReverseSearch</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data); void <a href="#xmlListReverseWalk">xmlListReverseWalk</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> <a href="libxml2-list.html#xmlListWalker">xmlListWalker</a> walker, <br> void * user); void * <a href="#xmlListSearch">xmlListSearch</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data); int <a href="#xmlListSize">xmlListSize</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l); void <a href="#xmlListSort">xmlListSort</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l); void <a href="#xmlListWalk">xmlListWalk</a> (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> <a href="libxml2-list.html#xmlListWalker">xmlListWalker</a> walker, <br> void * user); typedef int <a href="#xmlListWalker">xmlListWalker</a> (const void * data, <br> void * user); </pre> </div> <div class="refsect1" lang="en"><h2>Description</h2></div> <div class="refsect1" lang="en"> <h2>Details</h2> <div class="refsect2" lang="en"> <div class="refsect2" lang="en"> <h3> <a name="xmlLink">Structure </a>xmlLink</h3> <pre class="programlisting">struct _xmlLink { The content of this structure is not made public by the API. } xmlLink; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlLinkPtr">Typedef </a>xmlLinkPtr</h3> <pre class="programlisting"><a href="libxml2-list.html#xmlLink">xmlLink</a> * xmlLinkPtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlList">Structure </a>xmlList</h3> <pre class="programlisting">struct _xmlList { The content of this structure is not made public by the API. } xmlList; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListPtr">Typedef </a>xmlListPtr</h3> <pre class="programlisting"><a href="libxml2-list.html#xmlList">xmlList</a> * xmlListPtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListDataCompare"></a>Function type xmlListDataCompare</h3> <pre class="programlisting">int xmlListDataCompare (const void * data0, <br> const void * data1)<br> </pre> <p>Callback function used to compare 2 data.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>data0</tt></i>:</span></td> <td>the first data</td> </tr> <tr> <td><span class="term"><i><tt>data1</tt></i>:</span></td> <td>the second data</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>0 is equality, -1 or 1 otherwise depending on the ordering.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListDeallocator"></a>Function type xmlListDeallocator</h3> <pre class="programlisting">void xmlListDeallocator (<a href="libxml2-list.html#xmlLinkPtr">xmlLinkPtr</a> lk)<br> </pre> <p>Callback function used to free data from a list.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>lk</tt></i>:</span></td> <td>the data to deallocate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListWalker"></a>Function type xmlListWalker</h3> <pre class="programlisting">int xmlListWalker (const void * data, <br> void * user)<br> </pre> <p>Callback function used when walking a list with xmlListWalk().</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>data</tt></i>:</span></td> <td>the data found in the list</td> </tr> <tr> <td><span class="term"><i><tt>user</tt></i>:</span></td> <td>extra user provided data to the walker</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>0 to stop walking the list, 1 otherwise.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlLinkGetData"></a>xmlLinkGetData ()</h3> <pre class="programlisting">void * xmlLinkGetData (<a href="libxml2-list.html#xmlLinkPtr">xmlLinkPtr</a> lk)<br> </pre> <p>See Returns.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>lk</tt></i>:</span></td> <td>a link</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>a pointer to the data referenced from this link</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListAppend"></a>xmlListAppend ()</h3> <pre class="programlisting">int xmlListAppend (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data)<br> </pre> <p>Insert data in the ordered list at the end for this value</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>data</tt></i>:</span></td> <td>the data</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>0 in case of success, 1 in case of failure</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListClear"></a>xmlListClear ()</h3> <pre class="programlisting">void xmlListClear (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l)<br> </pre> <p>Remove the all data in the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListCopy"></a>xmlListCopy ()</h3> <pre class="programlisting">int xmlListCopy (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> cur, <br> const <a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> old)<br> </pre> <p>Move all the element from the old list in the new list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>cur</tt></i>:</span></td> <td>the new list</td> </tr> <tr> <td><span class="term"><i><tt>old</tt></i>:</span></td> <td>the old list</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>0 in case of success 1 in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListCreate"></a>xmlListCreate ()</h3> <pre class="programlisting"><a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> xmlListCreate (<a href="libxml2-list.html#xmlListDeallocator">xmlListDeallocator</a> deallocator, <br> <a href="libxml2-list.html#xmlListDataCompare">xmlListDataCompare</a> compare)<br> </pre> <p>Create a new list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>deallocator</tt></i>:</span></td> <td>an optional deallocator function</td> </tr> <tr> <td><span class="term"><i><tt>compare</tt></i>:</span></td> <td>an optional comparison function</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the new list or NULL in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListDelete"></a>xmlListDelete ()</h3> <pre class="programlisting">void xmlListDelete (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l)<br> </pre> <p>Deletes the list and its associated data</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListDup"></a>xmlListDup ()</h3> <pre class="programlisting"><a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> xmlListDup (const <a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> old)<br> </pre> <p>Duplicate the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>old</tt></i>:</span></td> <td>the list</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>a new copy of the list or NULL in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListEmpty"></a>xmlListEmpty ()</h3> <pre class="programlisting">int xmlListEmpty (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l)<br> </pre> <p>Is the list empty ?</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>1 if the list is empty, 0 if not empty and -1 in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListEnd"></a>xmlListEnd ()</h3> <pre class="programlisting"><a href="libxml2-list.html#xmlLinkPtr">xmlLinkPtr</a> xmlListEnd (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l)<br> </pre> <p>Get the last element in the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the last element in the list, or NULL</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListFront"></a>xmlListFront ()</h3> <pre class="programlisting"><a href="libxml2-list.html#xmlLinkPtr">xmlLinkPtr</a> xmlListFront (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l)<br> </pre> <p>Get the first element in the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the first element in the list, or NULL</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListInsert"></a>xmlListInsert ()</h3> <pre class="programlisting">int xmlListInsert (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data)<br> </pre> <p>Insert data in the ordered list at the beginning for this value</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>data</tt></i>:</span></td> <td>the data</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>0 in case of success, 1 in case of failure</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListMerge"></a>xmlListMerge ()</h3> <pre class="programlisting">void xmlListMerge (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l1, <br> <a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l2)<br> </pre> <p>include all the elements of the second list in the first one and clear the second list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l1</tt></i>:</span></td> <td>the original list</td> </tr> <tr> <td><span class="term"><i><tt>l2</tt></i>:</span></td> <td>the new list</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListPopBack"></a>xmlListPopBack ()</h3> <pre class="programlisting">void xmlListPopBack (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l)<br> </pre> <p>Removes the last element in the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListPopFront"></a>xmlListPopFront ()</h3> <pre class="programlisting">void xmlListPopFront (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l)<br> </pre> <p>Removes the first element in the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListPushBack"></a>xmlListPushBack ()</h3> <pre class="programlisting">int xmlListPushBack (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data)<br> </pre> <p>add the new data at the end of the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>data</tt></i>:</span></td> <td>new data</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>1 if successful, 0 otherwise</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListPushFront"></a>xmlListPushFront ()</h3> <pre class="programlisting">int xmlListPushFront (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data)<br> </pre> <p>add the new data at the beginning of the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>data</tt></i>:</span></td> <td>new data</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>1 if successful, 0 otherwise</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListRemoveAll"></a>xmlListRemoveAll ()</h3> <pre class="programlisting">int xmlListRemoveAll (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data)<br> </pre> <p>Remove the all instance associated to data in the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>data</tt></i>:</span></td> <td>list data</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the number of deallocation, or 0 if not found</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListRemoveFirst"></a>xmlListRemoveFirst ()</h3> <pre class="programlisting">int xmlListRemoveFirst (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data)<br> </pre> <p>Remove the first instance associated to data in the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>data</tt></i>:</span></td> <td>list data</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>1 if a deallocation occurred, or 0 if not found</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListRemoveLast"></a>xmlListRemoveLast ()</h3> <pre class="programlisting">int xmlListRemoveLast (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data)<br> </pre> <p>Remove the last instance associated to data in the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>data</tt></i>:</span></td> <td>list data</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>1 if a deallocation occurred, or 0 if not found</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListReverse"></a>xmlListReverse ()</h3> <pre class="programlisting">void xmlListReverse (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l)<br> </pre> <p>Reverse the order of the elements in the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListReverseSearch"></a>xmlListReverseSearch ()</h3> <pre class="programlisting">void * xmlListReverseSearch (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data)<br> </pre> <p>Search the list in reverse order for an existing value of @data</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>data</tt></i>:</span></td> <td>a search value</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the value associated to @data or NULL in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListReverseWalk"></a>xmlListReverseWalk ()</h3> <pre class="programlisting">void xmlListReverseWalk (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> <a href="libxml2-list.html#xmlListWalker">xmlListWalker</a> walker, <br> void * user)<br> </pre> <p>Walk all the element of the list in reverse order and apply the walker function to it</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>walker</tt></i>:</span></td> <td>a processing function</td> </tr> <tr> <td><span class="term"><i><tt>user</tt></i>:</span></td> <td>a user parameter passed to the walker function</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListSearch"></a>xmlListSearch ()</h3> <pre class="programlisting">void * xmlListSearch (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> void * data)<br> </pre> <p>Search the list for an existing value of @data</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>data</tt></i>:</span></td> <td>a search value</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the value associated to @data or NULL in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListSize"></a>xmlListSize ()</h3> <pre class="programlisting">int xmlListSize (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l)<br> </pre> <p>Get the number of elements in the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the number of elements in the list or -1 in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListSort"></a>xmlListSort ()</h3> <pre class="programlisting">void xmlListSort (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l)<br> </pre> <p>Sort all the elements in the list</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlListWalk"></a>xmlListWalk ()</h3> <pre class="programlisting">void xmlListWalk (<a href="libxml2-list.html#xmlListPtr">xmlListPtr</a> l, <br> <a href="libxml2-list.html#xmlListWalker">xmlListWalker</a> walker, <br> void * user)<br> </pre> <p>Walk all the element of the first from first to last and apply the walker function to it</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>l</tt></i>:</span></td> <td>a list</td> </tr> <tr> <td><span class="term"><i><tt>walker</tt></i>:</span></td> <td>a processing function</td> </tr> <tr> <td><span class="term"><i><tt>user</tt></i>:</span></td> <td>a user parameter passed to the walker function</td> </tr> </tbody> </table></div> </div> <hr> </div> </div> </body> </html>