docs/reference/html/gi-GIFunctionInfo.html

   1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
   2 <html>
   3 <head>
   4 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
   5 <title>GIFunctionInfo</title>
   6 <meta name="generator" content="DocBook XSL Stylesheets V1.76.1">
   7 <link rel="home" href="index.html" title="GObject Introspection Reference Manual">
   8 <link rel="up" href="gi-repository-structs.html" title="GIRepository structs">
   9 <link rel="prev" href="gi-GIBaseInfo.html" title="GIBaseInfo">
  10 <link rel="next" href="gi-GICallableInfo.html" title="GICallableInfo">
  11 <meta name="generator" content="GTK-Doc V1.18.1 (XML mode)">
  12 <link rel="stylesheet" href="style.css" type="text/css">
  13 </head>
  14 <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
  15 <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2">
  16 <tr valign="middle">
  17 <td><a accesskey="p" href="gi-GIBaseInfo.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
  18 <td><a accesskey="u" href="gi-repository-structs.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td>
  19 <td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td>
  20 <th width="100%" align="center">GObject Introspection Reference Manual</th>
  21 <td><a accesskey="n" href="gi-GICallableInfo.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
  22 </tr>
  23 <tr><td colspan="5" class="shortcuts">
  24 <a href="#gi-GIFunctionInfo.synopsis" class="shortcut">Top</a>
  25                    |
  26                   <a href="#gi-GIFunctionInfo.description" class="shortcut">Description</a>
  27 </td></tr>
  28 </table>
  29 <div class="refentry">
  30 <a name="gi-GIFunctionInfo"></a><div class="titlepage"></div>
  31 <div class="refnamediv"><table width="100%"><tr>
  32 <td valign="top">
  33 <h2><span class="refentrytitle"><a name="gi-GIFunctionInfo.top_of_page"></a>GIFunctionInfo</span></h2>
  34 <p>GIFunctionInfo — Struct representing a function</p>
  35 </td>
  36 <td valign="top" align="right"></td>
  37 </tr></table></div>
  38 <div class="refsynopsisdiv">
  39 <a name="gi-GIFunctionInfo.synopsis"></a><h2>Synopsis</h2>
  40 <pre class="synopsis">#define             <a class="link" href="gi-GIFunctionInfo.html#GI-IS-FUNCTION-INFO:CAPS" title="GI_IS_FUNCTION_INFO()">GI_IS_FUNCTION_INFO</a>                 (info)
  41 typedef             <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo">GIFunctionInfo</a>;
  42 enum                <a class="link" href="gi-GIFunctionInfo.html#GInvokeError" title="enum GInvokeError">GInvokeError</a>;
  43 enum                <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfoFlags" title="enum GIFunctionInfoFlags">GIFunctionInfoFlags</a>;
  44 #define             <a class="link" href="gi-GIFunctionInfo.html#G-INVOKE-ERROR:CAPS" title="G_INVOKE_ERROR">G_INVOKE_ERROR</a>
  45 const <span class="returnvalue">gchar</span> *       <a class="link" href="gi-GIFunctionInfo.html#g-function-info-get-symbol" title="g_function_info_get_symbol ()">g_function_info_get_symbol</a>          (<em class="parameter"><code><a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> *info</code></em>);
  46 <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfoFlags" title="enum GIFunctionInfoFlags"><span class="returnvalue">GIFunctionInfoFlags</span></a> <a class="link" href="gi-GIFunctionInfo.html#g-function-info-get-flags" title="g_function_info_get_flags ()">g_function_info_get_flags</a>           (<em class="parameter"><code><a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> *info</code></em>);
  47 <a class="link" href="gi-GIPropertyInfo.html#GIPropertyInfo" title="GIPropertyInfo"><span class="returnvalue">GIPropertyInfo</span></a> *    <a class="link" href="gi-GIFunctionInfo.html#g-function-info-get-property" title="g_function_info_get_property ()">g_function_info_get_property</a>        (<em class="parameter"><code><a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> *info</code></em>);
  48 <a class="link" href="gi-GIVFuncInfo.html#GIVFuncInfo" title="GIVFuncInfo"><span class="returnvalue">GIVFuncInfo</span></a> *       <a class="link" href="gi-GIFunctionInfo.html#g-function-info-get-vfunc" title="g_function_info_get_vfunc ()">g_function_info_get_vfunc</a>           (<em class="parameter"><code><a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> *info</code></em>);
  49 <span class="returnvalue">gboolean</span>            <a class="link" href="gi-GIFunctionInfo.html#g-function-info-invoke" title="g_function_info_invoke ()">g_function_info_invoke</a>              (<em class="parameter"><code><a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> *info</code></em>,
  50                                                          <em class="parameter"><code>const <span class="type">GIArgument</span> *in_args</code></em>,
  51                                                          <em class="parameter"><code><span class="type">int</span> n_in_args</code></em>,
  52                                                          <em class="parameter"><code>const <span class="type">GIArgument</span> *out_args</code></em>,
  53                                                          <em class="parameter"><code><span class="type">int</span> n_out_args</code></em>,
  54                                                          <em class="parameter"><code><span class="type">GIArgument</span> *return_value</code></em>,
  55                                                          <em class="parameter"><code><span class="type">GError</span> **error</code></em>);
  56 </pre>
  57 </div>
  58 <div class="refsect1">
  59 <a name="gi-GIFunctionInfo.description"></a><h2>Description</h2>
  60 <p>
  61 GIFunctionInfo represents a function, method or constructor.
  62 To find out what kind of entity a <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> represents, call
  63 <a class="link" href="gi-GIFunctionInfo.html#g-function-info-get-flags" title="g_function_info_get_flags ()"><code class="function">g_function_info_get_flags()</code></a>.
  64 </p>
  65 <p>
  66 See also <a class="link" href="gi-GICallableInfo.html#GICallableInfo" title="GICallableInfo"><span class="type">GICallableInfo</span></a> for information on how to retreive arguments and
  67 other metadata.
  68 </p>
  69 <p>
  70 </p>
  71 <div class="refsect1">
  72 <a name="gi-gifunctioninfo.struct-hierarchy"></a><h2>Struct hierarchy</h2>
  73 <pre class="synopsis">
  74   <a class="link" href="gi-GIBaseInfo.html" title="GIBaseInfo">GIBaseInfo</a>
  75    +----<a class="link" href="gi-GICallableInfo.html" title="GICallableInfo">GICallableInfo</a>
  76          +----GIFunctionInfo
  77          +----<a class="link" href="gi-GISignalInfo.html" title="GISignalInfo">GISignalInfo</a>
  78          +----<a class="link" href="gi-GIVFuncInfo.html" title="GIVFuncInfo">GIVFuncInfo</a>
  79 </pre>
  80 </div>
  81 <p>
  82 </p>
  83 </div>
  84 <div class="refsect1">
  85 <a name="gi-GIFunctionInfo.details"></a><h2>Details</h2>
  86 <div class="refsect2">
  87 <a name="GI-IS-FUNCTION-INFO:CAPS"></a><h3>GI_IS_FUNCTION_INFO()</h3>
  88 <pre class="programlisting">#define             GI_IS_FUNCTION_INFO(info)</pre>
  89 </div>
  90 <hr>
  91 <div class="refsect2">
  92 <a name="GIFunctionInfo"></a><h3>GIFunctionInfo</h3>
  93 <pre class="programlisting">typedef GIBaseInfo GIFunctionInfo;
  94 </pre>
  95 <p>
  96 Represents a function, eg arguments and return value.
  97 </p>
  98 </div>
  99 <hr>
 100 <div class="refsect2">
 101 <a name="GInvokeError"></a><h3>enum GInvokeError</h3>
 102 <pre class="programlisting">typedef enum {
 103   G_INVOKE_ERROR_FAILED,
 104   G_INVOKE_ERROR_SYMBOL_NOT_FOUND,
 105   G_INVOKE_ERROR_ARGUMENT_MISMATCH
 106 } GInvokeError;
 107 </pre>
 108 <p>
 109 An error occuring while invoking a function via
 110 <a class="link" href="gi-GIFunctionInfo.html#g-function-info-invoke" title="g_function_info_invoke ()"><code class="function">g_function_info_invoke()</code></a>.
 111 </p>
 112 <div class="variablelist"><table border="0">
 113 <col align="left" valign="top">
 114 <tbody>
 115 <tr>
 116 <td><p><a name="G-INVOKE-ERROR-FAILED:CAPS"></a><span class="term"><code class="literal">G_INVOKE_ERROR_FAILED</code></span></p></td>
 117 <td>invokation failed, unknown error.
 118 </td>
 119 </tr>
 120 <tr>
 121 <td><p><a name="G-INVOKE-ERROR-SYMBOL-NOT-FOUND:CAPS"></a><span class="term"><code class="literal">G_INVOKE_ERROR_SYMBOL_NOT_FOUND</code></span></p></td>
 122 <td>symbol couldn't be found in any of the
 123 libraries associated with the typelib of the function.
 124 </td>
 125 </tr>
 126 <tr>
 127 <td><p><a name="G-INVOKE-ERROR-ARGUMENT-MISMATCH:CAPS"></a><span class="term"><code class="literal">G_INVOKE_ERROR_ARGUMENT_MISMATCH</code></span></p></td>
 128 <td>the arguments provided didn't match
 129 the expected arguments for the functions type signature.
 130 </td>
 131 </tr>
 132 </tbody>
 133 </table></div>
 134 </div>
 135 <hr>
 136 <div class="refsect2">
 137 <a name="GIFunctionInfoFlags"></a><h3>enum GIFunctionInfoFlags</h3>
 138 <pre class="programlisting">typedef enum {
 139   GI_FUNCTION_IS_METHOD      = 1 &lt;&lt; 0,
 140   GI_FUNCTION_IS_CONSTRUCTOR = 1 &lt;&lt; 1,
 141   GI_FUNCTION_IS_GETTER      = 1 &lt;&lt; 2,
 142   GI_FUNCTION_IS_SETTER      = 1 &lt;&lt; 3,
 143   GI_FUNCTION_WRAPS_VFUNC    = 1 &lt;&lt; 4,
 144   GI_FUNCTION_THROWS         = 1 &lt;&lt; 5
 145 } GIFunctionInfoFlags;
 146 </pre>
 147 <p>
 148 Flags for a <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> struct.
 149 </p>
 150 <div class="variablelist"><table border="0">
 151 <col align="left" valign="top">
 152 <tbody>
 153 <tr>
 154 <td><p><a name="GI-FUNCTION-IS-METHOD:CAPS"></a><span class="term"><code class="literal">GI_FUNCTION_IS_METHOD</code></span></p></td>
 155 <td>is a method.
 156 </td>
 157 </tr>
 158 <tr>
 159 <td><p><a name="GI-FUNCTION-IS-CONSTRUCTOR:CAPS"></a><span class="term"><code class="literal">GI_FUNCTION_IS_CONSTRUCTOR</code></span></p></td>
 160 <td>is a constructor.
 161 </td>
 162 </tr>
 163 <tr>
 164 <td><p><a name="GI-FUNCTION-IS-GETTER:CAPS"></a><span class="term"><code class="literal">GI_FUNCTION_IS_GETTER</code></span></p></td>
 165 <td>is a getter of a <a class="link" href="gi-GIPropertyInfo.html#GIPropertyInfo" title="GIPropertyInfo"><span class="type">GIPropertyInfo</span></a>.
 166 </td>
 167 </tr>
 168 <tr>
 169 <td><p><a name="GI-FUNCTION-IS-SETTER:CAPS"></a><span class="term"><code class="literal">GI_FUNCTION_IS_SETTER</code></span></p></td>
 170 <td>is a setter of a <a class="link" href="gi-GIPropertyInfo.html#GIPropertyInfo" title="GIPropertyInfo"><span class="type">GIPropertyInfo</span></a>.
 171 </td>
 172 </tr>
 173 <tr>
 174 <td><p><a name="GI-FUNCTION-WRAPS-VFUNC:CAPS"></a><span class="term"><code class="literal">GI_FUNCTION_WRAPS_VFUNC</code></span></p></td>
 175 <td>represents a virtual function.
 176 </td>
 177 </tr>
 178 <tr>
 179 <td><p><a name="GI-FUNCTION-THROWS:CAPS"></a><span class="term"><code class="literal">GI_FUNCTION_THROWS</code></span></p></td>
 180 <td>the function may throw an error.
 181 </td>
 182 </tr>
 183 </tbody>
 184 </table></div>
 185 </div>
 186 <hr>
 187 <div class="refsect2">
 188 <a name="G-INVOKE-ERROR:CAPS"></a><h3>G_INVOKE_ERROR</h3>
 189 <pre class="programlisting">#define G_INVOKE_ERROR (g_invoke_error_quark ())
 190 </pre>
 191 </div>
 192 <hr>
 193 <div class="refsect2">
 194 <a name="g-function-info-get-symbol"></a><h3>g_function_info_get_symbol ()</h3>
 195 <pre class="programlisting">const <span class="returnvalue">gchar</span> *       g_function_info_get_symbol          (<em class="parameter"><code><a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> *info</code></em>);</pre>
 196 <p>
 197 Obtain the symbol of the function. The symbol is the name of the
 198 exported function, suitable to be used as an argument to
 199 <code class="function">g_module_symbol()</code>.
 200 </p>
 201 <div class="variablelist"><table border="0">
 202 <col align="left" valign="top">
 203 <tbody>
 204 <tr>
 205 <td><p><span class="term"><em class="parameter"><code>info</code></em> :</span></p></td>
 206 <td>a <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a>
 207 </td>
 208 </tr>
 209 <tr>
 210 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 211 <td>the symbol</td>
 212 </tr>
 213 </tbody>
 214 </table></div>
 215 </div>
 216 <hr>
 217 <div class="refsect2">
 218 <a name="g-function-info-get-flags"></a><h3>g_function_info_get_flags ()</h3>
 219 <pre class="programlisting"><a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfoFlags" title="enum GIFunctionInfoFlags"><span class="returnvalue">GIFunctionInfoFlags</span></a> g_function_info_get_flags           (<em class="parameter"><code><a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> *info</code></em>);</pre>
 220 <p>
 221 Obtain the <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfoFlags" title="enum GIFunctionInfoFlags"><span class="type">GIFunctionInfoFlags</span></a> for the <em class="parameter"><code>info</code></em>.
 222 </p>
 223 <div class="variablelist"><table border="0">
 224 <col align="left" valign="top">
 225 <tbody>
 226 <tr>
 227 <td><p><span class="term"><em class="parameter"><code>info</code></em> :</span></p></td>
 228 <td>a <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a>
 229 </td>
 230 </tr>
 231 <tr>
 232 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 233 <td>the flags</td>
 234 </tr>
 235 </tbody>
 236 </table></div>
 237 </div>
 238 <hr>
 239 <div class="refsect2">
 240 <a name="g-function-info-get-property"></a><h3>g_function_info_get_property ()</h3>
 241 <pre class="programlisting"><a class="link" href="gi-GIPropertyInfo.html#GIPropertyInfo" title="GIPropertyInfo"><span class="returnvalue">GIPropertyInfo</span></a> *    g_function_info_get_property        (<em class="parameter"><code><a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> *info</code></em>);</pre>
 242 <p>
 243 Obtain the property associated with this <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a>.
 244 Only <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> with the flag <a class="link" href="gi-GIFunctionInfo.html#GI-FUNCTION-IS-GETTER:CAPS"><code class="literal">GI_FUNCTION_IS_GETTER</code></a> or
 245 <a class="link" href="gi-GIFunctionInfo.html#GI-FUNCTION-IS-SETTER:CAPS"><code class="literal">GI_FUNCTION_IS_SETTER</code></a> have a property set. For other cases,
 246 <a href="/src/build/jhbuild/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a> will be returned.
 247 </p>
 248 <div class="variablelist"><table border="0">
 249 <col align="left" valign="top">
 250 <tbody>
 251 <tr>
 252 <td><p><span class="term"><em class="parameter"><code>info</code></em> :</span></p></td>
 253 <td>a <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a>
 254 </td>
 255 </tr>
 256 <tr>
 257 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 258 <td>the property or <a href="/src/build/jhbuild/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a> if not set. Free it with
 259 <a class="link" href="gi-GIBaseInfo.html#g-base-info-unref" title="g_base_info_unref ()"><code class="function">g_base_info_unref()</code></a> when done. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
 260 </td>
 261 </tr>
 262 </tbody>
 263 </table></div>
 264 </div>
 265 <hr>
 266 <div class="refsect2">
 267 <a name="g-function-info-get-vfunc"></a><h3>g_function_info_get_vfunc ()</h3>
 268 <pre class="programlisting"><a class="link" href="gi-GIVFuncInfo.html#GIVFuncInfo" title="GIVFuncInfo"><span class="returnvalue">GIVFuncInfo</span></a> *       g_function_info_get_vfunc           (<em class="parameter"><code><a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> *info</code></em>);</pre>
 269 <p>
 270 Obtain the virtual function associated with this <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a>.
 271 Only <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> with the flag <a class="link" href="gi-GIFunctionInfo.html#GI-FUNCTION-WRAPS-VFUNC:CAPS"><code class="literal">GI_FUNCTION_WRAPS_VFUNC</code></a> has
 272 a virtual function set. For other cases, <a href="/src/build/jhbuild/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a> will be returned.
 273 </p>
 274 <div class="variablelist"><table border="0">
 275 <col align="left" valign="top">
 276 <tbody>
 277 <tr>
 278 <td><p><span class="term"><em class="parameter"><code>info</code></em> :</span></p></td>
 279 <td>a <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a>
 280 </td>
 281 </tr>
 282 <tr>
 283 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 284 <td>the virtual function or <a href="/src/build/jhbuild/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a> if not set.
 285 Free it by calling <a class="link" href="gi-GIBaseInfo.html#g-base-info-unref" title="g_base_info_unref ()"><code class="function">g_base_info_unref()</code></a> when done. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
 286 </td>
 287 </tr>
 288 </tbody>
 289 </table></div>
 290 </div>
 291 <hr>
 292 <div class="refsect2">
 293 <a name="g-function-info-invoke"></a><h3>g_function_info_invoke ()</h3>
 294 <pre class="programlisting"><span class="returnvalue">gboolean</span>            g_function_info_invoke              (<em class="parameter"><code><a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> *info</code></em>,
 295                                                          <em class="parameter"><code>const <span class="type">GIArgument</span> *in_args</code></em>,
 296                                                          <em class="parameter"><code><span class="type">int</span> n_in_args</code></em>,
 297                                                          <em class="parameter"><code>const <span class="type">GIArgument</span> *out_args</code></em>,
 298                                                          <em class="parameter"><code><span class="type">int</span> n_out_args</code></em>,
 299                                                          <em class="parameter"><code><span class="type">GIArgument</span> *return_value</code></em>,
 300                                                          <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
 301 <p>
 302 Invokes the function described in <em class="parameter"><code>info</code></em> with the given
 303 arguments. Note that inout parameters must appear in both
 304 argument lists. This function uses <code class="function">dlsym()</code> to obtain a pointer
 305 to the function, so the library or shared object containing the
 306 described function must either be linked to the caller, or must
 307 have been <code class="function">g_module_symbol()</code>ed before calling this function.
 308 </p>
 309 <div class="variablelist"><table border="0">
 310 <col align="left" valign="top">
 311 <tbody>
 312 <tr>
 313 <td><p><span class="term"><em class="parameter"><code>info</code></em> :</span></p></td>
 314 <td>a <a class="link" href="gi-GIFunctionInfo.html#GIFunctionInfo" title="GIFunctionInfo"><span class="type">GIFunctionInfo</span></a> describing the function to invoke</td>
 315 </tr>
 316 <tr>
 317 <td><p><span class="term"><em class="parameter"><code>in_args</code></em> :</span></p></td>
 318 <td>an array of <span class="type">GIArgument</span>s, one for each in
 319 parameter of <em class="parameter"><code>info</code></em>. If there are no in parameter, <em class="parameter"><code>in_args</code></em>
 320 can be <a href="/src/build/jhbuild/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a>
 321 </td>
 322 </tr>
 323 <tr>
 324 <td><p><span class="term"><em class="parameter"><code>n_in_args</code></em> :</span></p></td>
 325 <td>the length of the <em class="parameter"><code>in_args</code></em> array</td>
 326 </tr>
 327 <tr>
 328 <td><p><span class="term"><em class="parameter"><code>out_args</code></em> :</span></p></td>
 329 <td>an array of <span class="type">GIArgument</span>s, one for each out
 330 parameter of <em class="parameter"><code>info</code></em>. If there are no out parameters, <em class="parameter"><code>out_args</code></em>
 331 may be <a href="/src/build/jhbuild/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a>
 332 </td>
 333 </tr>
 334 <tr>
 335 <td><p><span class="term"><em class="parameter"><code>n_out_args</code></em> :</span></p></td>
 336 <td>the length of the <em class="parameter"><code>out_args</code></em> array</td>
 337 </tr>
 338 <tr>
 339 <td><p><span class="term"><em class="parameter"><code>return_value</code></em> :</span></p></td>
 340 <td>return location for the return value of the
 341 function. If the function returns void, <em class="parameter"><code>return_value</code></em> may be
 342 <a href="/src/build/jhbuild/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a>
 343 </td>
 344 </tr>
 345 <tr>
 346 <td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
 347 <td>return location for detailed error information, or <a href="/src/build/jhbuild/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a>
 348 </td>
 349 </tr>
 350 <tr>
 351 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 352 <td>
 353 <code class="literal">TRUE</code> if the function has been invoked, <code class="literal">FALSE</code> if an
 354 error occurred.</td>
 355 </tr>
 356 </tbody>
 357 </table></div>
 358 </div>
 359 </div>
 360 </div>
 361 <div class="footer">
 362 <hr>
 363           Generated by GTK-Doc V1.18.1</div>
 364 </body>
 365 </html>