ctypes.cast。
>>> import ctypes>>> c_long_p = ctypes.POINTER(ctypes.c_long)>>> some_long = ctypes.c_long(42)>>> ctypes.addressof(some_long)4300833936>>> ctypes.cast(4300833936, c_long_p)<__main__.LP_c_long object at 0x1005983b0>>>> ctypes.cast(4300833936, c_long_p).contentsc_long(42)
