code: def test_BSTR(self):
      class BSTR(_SimpleCData):
          _type_ = "X"
  
      BSTR("abc")
  
file_path: cpython/Lib/test/test_ctypes/test_bytes.py
imports: import sys
  import unittest
  from _ctypes import _SimpleCData
  from ctypes import Structure, c_char, c_char_p, c_wchar, c_wchar_p
label_desc: Use image node_id 7 for calling the BytesTest obj's underlying member method code with example usage: obj.test_BSTR() without return types