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<?xml version="1.0"?>
<page id="GIRepository.field_info_get_field"
type="topic"
style="function"
xmlns="http://projectmallard.org/1.0/"
xmlns:api="http://projectmallard.org/experimental/api/"
xmlns:ui="http://projectmallard.org/experimental/ui/">
<info>
<link type="guide" xref="index" group="function"/>
<api:function>
<api:returns>
<api:type>gboolean</api:type>
</api:returns>
<api:name>g_field_info_get_field</api:name>
<api:arg>
<api:type>GIRepository.FieldInfo</api:type>
<api:name>field_info</api:name>
</api:arg>
<api:arg>
<api:type>gpointer</api:type>
<api:name>mem</api:name>
</api:arg>
<api:arg>
<api:type>None</api:type>
<api:name>value</api:name>
</api:arg>
</api:function>
</info>
<title>field_info_get_field</title>
<synopsis><code mime="text/x-python">
@accepts(GIRepository.FieldInfo, gpointer, None)
@returns(gboolean)
def field_info_get_field(field_info, mem, value)
</code></synopsis>
<p>Reads a field identified by a <link xref="GFieldInfo">GFieldInfo</link> from a C structure or
union. This only handles fields of simple C types. It will fail
for a field of a composite type like a nested structure or union
even if that is actually readable.</p>
<table>
<tr>
<td><p>field_info :</p></td>
<td><p>a <link xref="GIRepository.FieldInfo">GIFieldInfo</link></p></td>
</tr>
<tr>
<td><p>mem :</p></td>
<td><p>pointer to a block of memory representing a C structure or union</p></td>
</tr>
<tr>
<td><p>value :</p></td>
<td><p>a <link xref="GIArgument">GIArgument</link> into which to store the value retrieved</p></td>
</tr>
<tr>
<td><p>Returns :</p></td>
<td><p>True if reading the field succeeded, otherwise False</p></td>
</tr>
</table>
</page>
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