[Pyrex] Problems with 'public' C functions in an extension

[Stefan Behnel]

Hi again,

Stefan Behnel wrote:
> I'm running into a number of problems when trying to declare C functions
> public in a Pyrex extension module. The first problem is that the generated
> header file declares them /before/ all extension types, which lets the C
> compiler complain about undeclared struct's, as these types appear in the
> function arguments:
> 
> In file included from src/lxml/test.c:35:
> src/lxml/etree.h:6: warning: 'struct LxmlNodeBase' declared inside parameter list
> src/lxml/etree.h:6: warning: its scope is only this definition or declaration,
> which is probably not what you want
> 
> But even when I fix that by moving them to the end of the header file by hand,
> I can't manage to use them in an external module. The import fails with an
> unknown symbol (the function name).

Here is a patch that fixes both problems.

Stefan

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