code: def _check_retval_(value):
      # Receives a CHECKED instance.
      return str(value.value)
  
file_path: cpython/Lib/test/test_ctypes/test_checkretval.py
imports: import _ctypes_test
  import ctypes
  import unittest
  from ctypes import CDLL, c_int
label_desc: Use image node_id 1 for calling the CHECKED obj's underlying member method code with example usage: obj._check_retval_(value) and returns: str