s="type">cairo_region_t</span></a> *b</code></em>);</pre>
<p>Compares whether region_a is equivalent to region_b. <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> as an argument
is equal to itself, but not to any non-<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> region.</p>
<div class="refsect3">
<a name="cairo-region-equal.parameters"></a><h4>Parameters</h4>
<div class="informa