BEGIN {
   lang = 5; line = 0; keyline = 0; 
}
{
   if (NR == 1) 
   {
     print FILENAME, ";\n ;";
   }
   while($0 != /NULL/)
   {
     if(/{/)
     {  
	 keyword = $2
	 keyline = NR;
     }

     if(NR == keyline + lang)
     { 
	 if ($2 =="")
	 {
         print  keyword, ";" ;
	 }
     }
    next;
   }
}

END {
  print ";";
  print ";";
  print ";";
}