New issue 2878: ctypes array instance does not support assignment operation of
its element created by method "from_buffer"
https://bitbucket.org/pypy/pypy/issues/2878/ctypes-array-instance-does-not-support
Sheng Zou:
Code snippet:
```
#!python
from ctypes import *
class SomeArray(Arr
New issue 2879: ctypes structure with custom __init__ which takes argument
does not support construction by "from_buffer_copy"
https://bitbucket.org/pypy/pypy/issues/2879/ctypes-structure-with-custom-__init__
Sheng Zou:
This is another case where ctypes lib in CPython and PyPy give different re