glib-double-ended-queues.html

glid编写实例

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<a name="id3128856"></a><h3>
<a name="g-queue-pop-tail-link"></a>g_queue_pop_tail_link ()</h3>
<a class="indexterm" name="id3128867"></a><pre class="programlisting"><a href="glib-Doubly-Linked-Lists.html#GList">GList</a>*      g_queue_pop_tail_link           (<a href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue);</pre>
<p>
Removes the last element of the queue.</p>
<p>

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<span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></td>
<td> a <a href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>.
</td>
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> the <a href="glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> element at the tail of the queue, or <code class="literal">NULL</code> if the queue
  is empty.
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<div class="refsect2" lang="en">
<a name="id3128950"></a><h3>
<a name="g-queue-pop-nth-link"></a>g_queue_pop_nth_link ()</h3>
<a class="indexterm" name="id3128961"></a><pre class="programlisting"><a href="glib-Doubly-Linked-Lists.html#GList">GList</a>*      g_queue_pop_nth_link            (<a href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue,
                                             <a href="glib-Basic-Types.html#guint">guint</a> n);</pre>
<p>
Removes and returns the link at the given position.</p>
<p>

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<td>
<span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></td>
<td> a <a href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>
</td>
</tr>
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<td>
<span class="term"><em class="parameter"><code>n</code></em>&#160;:</span></td>
<td> the link's position
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> The <em class="parameter"><code>n</code></em>'th link, or <code class="literal">NULL</code> if <em class="parameter"><code>n</code></em> is off the end of <em class="parameter"><code>queue</code></em>.

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<p>Since  2.4
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<div class="refsect2" lang="en">
<a name="id3129079"></a><h3>
<a name="g-queue-peek-head-link"></a>g_queue_peek_head_link ()</h3>
<a class="indexterm" name="id3129089"></a><pre class="programlisting"><a href="glib-Doubly-Linked-Lists.html#GList">GList</a>*      g_queue_peek_head_link          (<a href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue);</pre>
<p>
Returns the first link in <em class="parameter"><code>queue</code></em></p>
<p>

</p>
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<td>
<span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></td>
<td> a <a href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>
</td>
</tr>
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> the first link in <em class="parameter"><code>queue</code></em>, or <code class="literal">NULL</code> if <em class="parameter"><code>queue</code></em> is empty

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<p>Since  2.4
</p>
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<div class="refsect2" lang="en">
<a name="id3129184"></a><h3>
<a name="g-queue-peek-tail-link"></a>g_queue_peek_tail_link ()</h3>
<a class="indexterm" name="id3129195"></a><pre class="programlisting"><a href="glib-Doubly-Linked-Lists.html#GList">GList</a>*      g_queue_peek_tail_link          (<a href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue);</pre>
<p>
Returns the last link <em class="parameter"><code>queue</code></em>.</p>
<p>

</p>
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<td>
<span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></td>
<td> a <a href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>
</td>
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> the last link in <em class="parameter"><code>queue</code></em>, or <code class="literal">NULL</code> if <em class="parameter"><code>queue</code></em> is empty

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<p>Since  2.4
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<div class="refsect2" lang="en">
<a name="id3129292"></a><h3>
<a name="g-queue-peek-nth-link"></a>g_queue_peek_nth_link ()</h3>
<a class="indexterm" name="id3129303"></a><pre class="programlisting"><a href="glib-Doubly-Linked-Lists.html#GList">GList</a>*      g_queue_peek_nth_link           (<a href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue,
                                             <a href="glib-Basic-Types.html#guint">guint</a> n);</pre>
<p>
Returns the link at the given position</p>
<p>

</p>
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<td>
<span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></td>
<td> a <a href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>
</td>
</tr>
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<td>
<span class="term"><em class="parameter"><code>n</code></em>&#160;:</span></td>
<td> the position of the link
</td>
</tr>
<tr>
<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> The link at the <em class="parameter"><code>n</code></em>'th position, or <code class="literal">NULL</code> if <em class="parameter"><code>n</code></em> is off the
end of the list

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<p>Since  2.4
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<div class="refsect2" lang="en">
<a name="id3129415"></a><h3>
<a name="g-queue-link-index"></a>g_queue_link_index ()</h3>
<a class="indexterm" name="id3129426"></a><pre class="programlisting"><a href="glib-Basic-Types.html#gint">gint</a>        g_queue_link_index              (<a href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue,
                                             <a href="glib-Doubly-Linked-Lists.html#GList">GList</a> *link_);</pre>
<p>
Returns the position of <em class="parameter"><code>link_</code></em> in <em class="parameter"><code>queue</code></em>.</p>
<p>

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<span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></td>
<td> a <span class="type">Gqueue</span>
</td>
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<td>
<span class="term"><em class="parameter"><code>link_</code></em>&#160;:</span></td>
<td> A <a href="glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> link
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> The position of <em class="parameter"><code>link_</code></em>, or -1 if the link is
not part of <em class="parameter"><code>queue</code></em>

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<p>Since  2.4
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<div class="refsect2" lang="en">
<a name="id3129551"></a><h3>
<a name="g-queue-unlink"></a>g_queue_unlink ()</h3>
<a class="indexterm" name="id3129562"></a><pre class="programlisting">void        g_queue_unlink                  (<a href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue,
                                             <a href="glib-Doubly-Linked-Lists.html#GList">GList</a> *link_);</pre>
<p>
Unlinks <em class="parameter"><code>link_</code></em> so that it will no longer be part of <em class="parameter"><code>queue</code></em>. The link is
not freed.
</p>
<p>
<em class="parameter"><code>link_</code></em> must be part of <em class="parameter"><code>queue</code></em>,</p>
<p>

</p>
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<span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></td>
<td> a <a href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>
</td>
</tr>
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<td>
<span class="term"><em class="parameter"><code>link_</code></em>&#160;:</span></td>
<td> a <a 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>
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<p>Since  2.4
</p>
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<div class="refsect2" lang="en">
<a name="id3129690"></a><h3>
<a name="g-queue-delete-link"></a>g_queue_delete_link ()</h3>
<a class="indexterm" name="id3129701"></a><pre class="programlisting">void        g_queue_delete_link             (<a href="glib-Double-ended-Queues.html#GQueue">GQueue</a> *queue,
                                             <a href="glib-Doubly-Linked-Lists.html#GList">GList</a> *link_);</pre>
<p>
Removes <em class="parameter"><code>link_</code></em> from <em class="parameter"><code>queue</code></em> and frees it.
</p>
<p>
<em class="parameter"><code>link_</code></em> must be part of <em class="parameter"><code>queue</code></em>.</p>
<p>

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<span class="term"><em class="parameter"><code>queue</code></em>&#160;:</span></td>
<td> a <a href="glib-Double-ended-Queues.html#GQueue"><span class="type">GQueue</span></a>
</td>
</tr>
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<span class="term"><em class="parameter"><code>link_</code></em>&#160;:</span></td>
<td> a <a 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>
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<p>Since  2.4
</p>
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