code: def _extra_local_variables(self, tp, localvars, freelines):
      if isinstance(tp, model.PointerType):
          localvars.add("Py_ssize_t datasize")
          localvars.add("struct _cffi_freeme_s *large_args_free = NULL")
          freelines.add(
              "if (large_args_free != NULL)"
              " _cffi_free_array_arguments(large_args_free);"
          )
  
imports: import sys, imp
  from .None import model
  from .error import VerificationError
label_desc: Use image node_id 16 for calling the VCPythonEngine obj's underlying member method code with example usage: obj._extra_local_variables(tp, localvars, freelines) without return types