code: def test_param_1(self):
      BUF = c_char * 4
      buf = BUF()
  
file_path: cpython/Lib/test/test_ctypes/test_strings.py
imports: import unittest
  from ctypes import create_string_buffer, create_unicode_buffer, sizeof, byref, c_char, c_wchar
label_desc: Use image node_id 4 for calling the StringArrayTestCase obj's underlying member method code with example usage: obj.test_param_1() without return types