PyCairo has a struct like
`    typedef struct { 
|    PyObject_HEAD |
|


|      cairo_t *ctx; |
|


|     PyObject *base; /* base object used to create context, or NULL */ |
|

    } PycairoContext;
`
And a #define that you can use to get pointer to ctx:
`    #define PycairoContext_GET(obj) (((PycairoContext *)(obj))->ctx)`
How can I get hold of the pointer *ctx in Pypy ?

I had a bit of a look at CFFI, but couldn't find anything using structures with 
PyObject_HEAD in them.



S++
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