   <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line">        <span class="keyword">auto</span> file = fb.openFile(filename, <span class="stringliteral">&quot;wb&quot;</span>);</div>
<div class="line">        <span class="keywordtype">bool</span> success = downloadURL(url, file);</div>
<div class="line">        fclose(file);</div>
<div class="line">        <span class="keywordflow">if</span> (!success) {</div>
<div class="line">          fb.remove(filename)