code: def _posix_lib(standard_lib, libpython, early_prefix, prefix):
      if standard_lib:
          return libpython
      else:
          return os.path.join(libpython, "site-packages")
  
imports: import os
  import re
  import sys
  import sysconfig
  import pathlib
  from .errors import DistutilsPlatformError
  from .None import py39compat
  from ._functools import pass_none
label_desc: Use image node_id 12 for calling a global function with example usage: _posix_lib(standard_lib, libpython, early_prefix, prefix) and returns: libpython, os