code: def test_i38748_stackCorruption(self):
      callback_funcType = ctypes.WINFUNCTYPE(c_long, c_long, c_longlong)
  
      @callback_funcType
      def callback(a, b):
          c = a + b
          print(f"a={a}, b={b}, c={c}")
          return c
  
      dll = cdll[_ctypes_test.__file__]
      # With no fix for i38748, the next line will raise OSError and cause the test to fail.
      self.assertEqual(
          dll._test_i38748_runCallback(callback, 5, 10), 15
      )
  
imports: import _ctypes_test
  import ctypes
  import functools
  import gc
  import math
  import sys
  import unittest
  from _ctypes import CTYPES_MAX_ARGCOUNT
  from ctypes import CDLL, cdll, Structure, CFUNCTYPE, ArgumentError, POINTER, sizeof, c_byte, c_ubyte, c_char, c_short, c_ushort, c_int, c_uint, c_long, c_longlong, c_ulonglong, c_ulong, c_float, c_double, c_longdouble, py_object
  from ctypes.util import find_library
  from test import support
label_desc: Use image node_id 22 for calling the Callbacks obj's underlying member method code with example usage: obj.test_i38748_stackCorruption() and returns: c