[
 (stmt_list) {
  (for_statement) {
   for
   (
   (variable_declaration) {
    (decl_specifiers) {
     (builtintype) {
      int
     }
    }
    (definition_list) {
     (definition) {
      (lvalue) {
       i
      }
      (initializer) {
       =
       0
      }
     }
    }
    ;
   }
   (empty_statement) {
    ;
   }
   )
   (block_statement) {
    {
    }
   }
  }
 }
]