[
 (program) {
  (variable_declaration) {
   (decl_specifiers) {
    (builtintype) {
     void
    }
   }
   (definition_list) {
    (lvalue) {
     *
     (lvalue) {
      var
     }
    }
    ,
    (lvalue) {
     var1
    }
    ,
    (lvalue) {
     *
     (lvalue) {
      tt
     }
    }
   }
   ;
  }
 }
]