python ctypes模块中变量与c对应关系

最近用ctypes时，老是在有些变量的转化关系上不明确，好不容易找到一些常用变量的对应关系。

ctypes typec typePython typec_charchar1-character stringc_wcharwchar_t1-character unicode stringc_bytecharint/longc_ubyteunsigned charint/longc_shortshortint/longc_ushortunsigned shortint/longc_intintint/longc_uintunsigned intint/longc_longlongint/longc_ulongunsigned longint/longc_longlong__int64 or long longint/longc_ulonglongunsigned __int64 or unsigned long longint/longc_floatfloatfloatc_doubledoublefloatc_char_pchar * (NUL terminated)string or Nonec_wchar_pwchar_t * (NUL terminated)unicode or Nonec_void_pvoid *int/long or None