Hallo,
On 7/8/07, Robin Lee Powell <[EMAIL PROTECTED]> wrote:
(I was ordered to complain by the Cowan)
I have code that calls (with easyffi) a C library function. One
argument is a function. I've defined, with define-external, the
scheme function play. I pass a pointer to play to the C library
function with (location play). This breaks if play is not defined
on the same Scheme source file as the C library function call.
I'll let jcowan speak to the details, as I don't get it.
18:17 < jcowan> You need (location play) because that's the only
way to pass a C pointer to a function (afaik)
I don't know if this applies to the easyFFI, but one can use the
functions defined with (define-external) in (foreign-lambda*) bodies,
which have been useful to me.
Cheers,
--
-alex
http://www.ventonegro.org/
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