"Magnus Hagander" <mha@sollentuna.net> writes:
> Which brings me to the question - would it be reasonable to create a
> .DEF file listing which symbols are exported from the postgres binary to
> addon modules?
No, I'd not think this is a good idea. Unlike libpq, there's no clear
demarcation of an intended API, and no really good reason to create one.
regards, tom lane