code: def _get_python_inc_posix_python(plat_specific):
      """
      Assume the executable is in the build directory. The
      pyconfig.h file should be in the same directory. Since
      the build directory may not be the source directory,
      use "srcdir" from the makefile to find the "Include"
      directory.
      """
      if not python_build:
          return
      if plat_specific:
          return _sys_home or project_base
      incdir = os.path.join(get_config_var("srcdir"), "Include")
      return os.path.normpath(incdir)
  
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 8 for calling a global function with example usage: _get_python_inc_posix_python(plat_specific) and returns: os, unknown