e><br/>
<code>#include &lt;<a class="el" href="a00498.html">lemon/core.h</a>&gt;</code><br/>
<code>#include &lt;<a class="el" href="a00539.html">lemon/maps.h</a>&gt;</code><br/>
<code>#include &lt;<a class="el" href="a00455.html">lemon/adaptors.h</a>&gt;</code><br/>
<code>#include &lt;<a class="el" href="a00493.html">lemon/concepts/digraph.h</a>&gt;</code><br/>
<code>#include &lt;<a class="el" href="a00494.html">lemon/concepts/graph.h</a>&gt;</code><br/>
<code>#include &lt;<a class="el" href="a00491.html">l