[Cython] PEP 3121 on extension module initialisation in Py3

[Stefan Behnel]

Lisandro Dalcin wrote:
> Furthermore, we can 'abuse' of this new feature to 'export' C API's
> from Cython-generated extension modules to other third-party
> Cython-generated modules, thus avoiding at all the need of relying on
> dynamic linking or dlopen hackery. Just some more good stuff for the
> near future ...

http://www.cosc.canterbury.ac.nz/greg.ewing/python/Pyrex/version/Doc/Manual/external.html#C_API_Declarations

Stefan