code: def get_config_h_filename():
      
      if _PYTHON_BUILD:
          if os.name == "nt":
              inc_dir = os.path.join(_PROJECT_BASE, "PC")
          else:
              inc_dir = _PROJECT_BASE
      else:
          inc_dir = get_path('platinclude')
      return os.path.join(inc_dir, 'pyconfig.h')
docs: Return the path of pyconfig.h.