n class="type">cairo_pdf_version_t</span></a> const **versions</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> *num_versions</code></em>);
const <span class="returnvalue">char</span> *        <a class="link" href="cairo-PDF-Surfaces.html#cairo-pdf-version-to-string" title="cairo_pdf_version_to_string ()">cairo_pdf_version_to_string</a>         (<em class="parameter"><code><a class="link" href="cairo-PDF-Surfaces.html#cairo-pdf-v