function addlinks($output,$os,$section='',$origin=''){
    global $vbulletin, $col2_f;
    $style = ' style="font-size:1.2em;" class="neo-man-link" ';
    if($_GET['apropos'] == '1' && $col2_f == '2')
    {
      define('REGEX7',"/(\w[-\:.\+\w]*)\s*\((\d)?(\w+)?\)/");
      $rep_string="<a $style href=\"/man-page/$os/$2$3/$1/\">$1($2$3)</a>";
    }
    elseif($_GET['apropos'] == '1' && $col2_f == '1')
    {
      define('REGEX7',"/(\w[\-\:.\+\w]*)\s*\(([0-9])\)/");
      $rep_string="<a $style href=\"/man-page/$os/$2/$1/\">$1($2)</a>";
      $set2=TRUE;
    }
    else
    {
      define('REGEX7',"/(\w[-\:.\+\w]*)\s*\((\d)(\w+)?\)/");
      $rep_string="<a $style href=\"/man-page/$os/$2$3/$1/\">$1($2$3)</a>";
    }

    if ($_GET['apropos'] == '1'){

            if($set2)
             {
              $save = $output;
              $out =preg_replace(REGEX7, $rep_string, $output);
              if(preg_match('/\d/',$output))
                  $output = strtolower($out);
              else
                  $output = $save;
             }
            else
              {
              $output =preg_replace(REGEX7, $rep_string, $output);
              }
            $output = trim($output);
     }
    else {
            if (preg_match("/(\w[\-\:\.\w]*)\((\d)(\w+)\)/",$output))
            {
                 $output=preg_replace(REGEX7, $rep_string, $output);
            }
            else 
            {
               $output=preg_replace("/(\w[\-\:\.\w]*)\((\d)\)/",
               "<a $style href=\"/man-page/$os/\\2/\\1/\">\\1(\\2)</a>",$output);
            }
        }
    $output=ltrim($output);
    return $output;
}