[Cython] More concerns over extern ctypedefs

[Greg Ewing]

Dag Sverre Seljebotn wrote:
> Just realized that a dynamic typestring could be generated at module 
> load time, which should be perfectly unnoticeable. So this might be the 
> way to go.

A simpler approach would be to disallow the use of
typedefed types to declare arguments to Python functions,
and require the use of explicit C types.

-- 
Greg