[
 (expr_typecast) {
  (c_style_typecast_operator) {
   (
   (type) {
    (decl_specifiers) {
     (builtintype) {
      int
     }
    }
    (abstract_declarator) {
     *
    }
   }
   )
  }
  (preprocessor_stringify) {
   #
   a
  }
 }
]