nt_at)</div><div class="line">{</div><div class="line">  <span class="keyword">struct </span>my_data *data = (<span class="keyword">struct </span>my_data*)user_arg;</div><div class="line">  <span class="keywordtype">int</span> i;</div><div class="line">  <span class="keywordtype">double</span> dv;</div><div class="line">  <span class="keywordtype">double</span> sum;</div><div class="line"></div><div class="line">  <span class="keyword">const</span> <span class="keywordtype">double</span> *local_parameters;<