<funcprototype>
<funcdef>void <function>sd_bus_unrefp</function></funcdef>
- <paramdef>sd_bus **<parameter>bus</parameter></paramdef>
+ <paramdef>sd_bus **<parameter>busp</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
…
}</programlisting>
- <para><function>sd_bus_ref()</function>,
- <function>sd_bus_unref()</function> and
- <function>sd_bus_unrefp()</function> execute no operation if the
- passed in bus object is <constant>NULL</constant>.</para>
+ <para><function>sd_bus_ref()</function> and <function>sd_bus_unref()</function>
+ execute no operation if the passed in bus object address is
+ <constant>NULL</constant>. <function>sd_bus_unrefp()</function> will first
+ dereference its argument, which must not be <constant>NULL</constant>, and will
+ execute no operation if <emphasis>that</emphasis> is <constant>NULL</constant>.
+ </para>
</refsect1>
<refsect1>