[issue8481] doc: ctypes no need to explicitly allocate writable memory with Structure

[Ray.Allen]

Ray.Allen <ysj.ray at gmail.com> added the comment:

I think not only Structures but also other ctypes can be passed with byref() to functions expecting pointer to mutable memory.

----------
nosy: +ysj.ray

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue8481>
_______________________________________