old_contents: from ctypes import _CFuncPtr
  
  _CFuncPtr.argtypes
  _CFuncPtr.errcheck
  _CFuncPtr.restype
  
new_contents: from ctypes import _CFuncPtr
  from ctypes import _Pointer
  
  _CFuncPtr.argtypes
  _CFuncPtr.errcheck
  _CFuncPtr.restype
  
  _Pointer.contents
  
subject: Add ctypes._Pointer.content to whitelist.