glib-double-ended-queues.html

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</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3263514"></a><h3>
<a name="g-queue-peek-head"></a>g_queue_peek_head ()</h3>
<a class="indexterm" name="id3263527"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer">gpointer</a>            g_queue_peek_head                   (<a class="link" href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue);</pre>
<p>
Returns the first element of the queue.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the data of the first element in the queue, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if the queue
  is empty.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3263606"></a><h3>
<a name="g-queue-peek-tail"></a>g_queue_peek_tail ()</h3>
<a class="indexterm" name="id3263619"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer">gpointer</a>            g_queue_peek_tail                   (<a class="link" href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue);</pre>
<p>
Returns the last element of the queue.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the data of the last element in the queue, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if the queue
  is empty.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3263698"></a><h3>
<a name="g-queue-peek-nth"></a>g_queue_peek_nth ()</h3>
<a class="indexterm" name="id3263713"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer">gpointer</a>            g_queue_peek_nth                    (<a class="link" href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue,
                                                         <a class="link" href="glib-Basic-Types.html#guint">guint</a> n);</pre>
<p>
Returns the <em class="parameter"><code>n</code></em>'th element of <em class="parameter"><code>queue</code></em>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>n</code></em>&#160;:</span></p></td>
<td> the position of the element.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> The data for the <em class="parameter"><code>n</code></em>'th element of <em class="parameter"><code>queue</code></em>, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if <em class="parameter"><code>n</code></em> is
  off the end of <em class="parameter"><code>queue</code></em>.

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since  2.4
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3263855"></a><h3>
<a name="g-queue-index"></a>g_queue_index ()</h3>
<a class="indexterm" name="id3263869"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gint">gint</a>                g_queue_index                       (<a class="link" href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue,
                                                         <a class="link" href="glib-Basic-Types.html#gconstpointer">gconstpointer</a> data);</pre>
<p>
Returns the position of the first element in <em class="parameter"><code>queue</code></em> which contains <em class="parameter"><code>data</code></em>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em>&#160;:</span></p></td>
<td> the data to find.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> The position of the first element in <em class="parameter"><code>queue</code></em> which contains <em class="parameter"><code>data</code></em>, or -1 if no element in <em class="parameter"><code>queue</code></em> contains <em class="parameter"><code>data</code></em>.

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since  2.4
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3264003"></a><h3>
<a name="g-queue-remove"></a>g_queue_remove ()</h3>
<a class="indexterm" name="id3264018"></a><pre class="programlisting">void                g_queue_remove                      (<a class="link" href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue,
                                                         <a class="link" href="glib-Basic-Types.html#gconstpointer">gconstpointer</a> data);</pre>
<p>
Removes the first element in <em class="parameter"><code>queue</code></em> that contains <em class="parameter"><code>data</code></em>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em>&#160;:</span></p></td>
<td> data to remove.
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since  2.4
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3264116"></a><h3>
<a name="g-queue-remove-all"></a>g_queue_remove_all ()</h3>
<a class="indexterm" name="id3264132"></a><pre class="programlisting">void                g_queue_remove_all                  (<a class="link" href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue,
                                                         <a class="link" href="glib-Basic-Types.html#gconstpointer">gconstpointer</a> data);</pre>
<p>
Remove all elemeents in <em class="parameter"><code>queue</code></em> which contains <em class="parameter"><code>data</code></em>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em>&#160;:</span></p></td>
<td> data to remove
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since  2.4
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3264230"></a><h3>
<a name="g-queue-insert-before"></a>g_queue_insert_before ()</h3>
<a class="indexterm" name="id3264245"></a><pre class="programlisting">void                g_queue_insert_before               (<a class="link" href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue,
                                                         <a class="link" href="glib-Doubly-Linked-Lists.html#GList">GList</a> *sibling,
                                                         <a class="link" href="glib-Basic-Types.html#gpointer">gpointer</a> data);</pre>
<p>
Inserts <em class="parameter"><code>data</code></em> into <em class="parameter"><code>queue</code></em> before <em class="parameter"><code>sibling</code></em>.
</p>
<p>
<em class="parameter"><code>sibling</code></em> must be part of <em class="parameter"><code>queue</code></em>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>sibling</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> link that <span class="emphasis"><em>must</em></span> be part of <em class="parameter"><code>queue</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em>&#160;:</span></p></td>
<td> the data to insert
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since  2.4
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3264403"></a><h3>
<a name="g-queue-insert-after"></a>g_queue_insert_after ()</h3>
<a class="indexterm" name="id3264419"></a><pre class="programlisting">void                g_queue_insert_after                (<a class="link" href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue,
                                                         <a class="link" href="glib-Doubly-Linked-Lists.html#GList">GList</a> *sibling,
                                                         <a class="link" href="glib-Basic-Types.html#gpointer">gpointer</a> data);</pre>
<p>
Inserts <em class="parameter"><code>data</code></em> into <em class="parameter"><code>queue</code></em> after <em class="parameter"><code>sibling</code></em>
</p>
<p>
<em class="parameter"><code>sibling</code></em> must be part of <em class="parameter"><code>queue</code></em></p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>sibling</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> link that <span class="emphasis"><em>must</em></span> be part of <em class="parameter"><code>queue</code></em>