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<a href="#gnome-vfs-2.0-gnome-vfs-module-callback-module-api.description" class="shortcut">Description</a>
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<a name="gnome-vfs-2.0-gnome-vfs-module-callback-module-api"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="gnome-vfs-2.0-gnome-vfs-module-callback-module-api.top_of_page"></a>gnome-vfs-module-callback-module-api</span></h2>
<p>gnome-vfs-module-callback-module-api — invoking callbacks from a gnome-vfs module to ask the application for necessary information (authentication, ...)</p>
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<a name="gnome-vfs-2.0-gnome-vfs-module-callback-module-api.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis"><span class="returnvalue">gboolean</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-module-callback-module-api.html#gnome-vfs-module-callback-invoke" title="gnome_vfs_module_callback_invoke ()">gnome_vfs_module_callback_invoke</a> (<em class="parameter"><code>const <span class="type">char</span> *callback_name</code></em>,
<em class="parameter"><code><span class="type">gconstpointer</span> in</code></em>,
<em class="parameter"><code><span class="type">gsize</span> in_size</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> out</code></em>,
<em class="parameter"><code><span class="type">gsize</span> out_size</code></em>);
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<a name="gnome-vfs-2.0-gnome-vfs-module-callback-module-api.description"></a><h2>Description</h2>
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<a name="gnome-vfs-2.0-gnome-vfs-module-callback-module-api.details"></a><h2>Details</h2>
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<a name="gnome-vfs-module-callback-invoke"></a><h3>gnome_vfs_module_callback_invoke ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gnome_vfs_module_callback_invoke (<em class="parameter"><code>const <span class="type">char</span> *callback_name</code></em>,
<em class="parameter"><code><span class="type">gconstpointer</span> in</code></em>,
<em class="parameter"><code><span class="type">gsize</span> in_size</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> out</code></em>,
<em class="parameter"><code><span class="type">gsize</span> out_size</code></em>);</pre>
<p>
Invoke a default callback for <em class="parameter"><code>callback_name</code></em>, with in arguments
specified by <em class="parameter"><code>in</code></em> and <em class="parameter"><code>in_size</code></em>, and out arguments specified by <em class="parameter"><code>out</code></em>
and <em class="parameter"><code>out_size</code></em>.
</p>
<p>
This function should only be called by gnome-vfs modules.
</p>
<p>
If this function is called from an async job thread, it will invoke
the current async handler for <em class="parameter"><code>callback_name</code></em>, if any. If no async
handler is set, or the function is not called from an async job
thread, the regular handler, if any, will be invoked instead. If no
handler at all is found for <em class="parameter"><code>callback_name</code></em>, the function returns
<code class="literal">FALSE</code>.
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<td><p><span class="term"><em class="parameter"><code>callback_name</code></em> :</span></p></td>
<td>name of the module callback to set.</td>
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<td><p><span class="term"><em class="parameter"><code>in</code></em> :</span></p></td>
<td>in argument for this callback; the exact type depends on the specific callback.</td>
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<td><p><span class="term"><em class="parameter"><code>in_size</code></em> :</span></p></td>
<td>size of the in argument; useful for sanity-checking.</td>
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<td><p><span class="term"><em class="parameter"><code>out</code></em> :</span></p></td>
<td>out argument for this callback; the exact type depends on the specific callback.</td>
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<td><p><span class="term"><em class="parameter"><code>out_size</code></em> :</span></p></td>
<td>size of the out argument; useful for sanity-checking.</td>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> if a callback was invoked, <code class="literal">FALSE</code> if none was set.</td>
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