class <a href="./VertexListGraph.html">VertexListGraph</a>, class <a href="./MutableGraph.html">MutableGraph</a>&gt; 
void copy_graph(const VertexListGraph&amp; G, MutableGraph&amp; G_copy,
    const bgl_named_params&lt;P, T, R&gt;&amp; params = <i>all defaults</i>)
</PRE>

This function copies all of the vertices and edges from graph
<tt>G</tt> into <tt>G_copy</tt>. Also, it copies the vertex and edge
properties, either by using the <tt>vertex_all</tt> and
<tt>edge_all</tt> property maps, or by user-suppli