第一招没问题,万分抱歉
If you need mutable memory blocks, ctypes has a create_string_buffer() function which creates these in various ways.
这句话贴在doc一个十分隐蔽的地方,开始没看到,只看到
ctypes.create_string_buffer(init_or_size[, size]):
This function creates a mutable character buffer. The returned object is a ctypes array of c_char.
看来的确非常高效
再次深表感谢