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Re: [Chicken-users] Question about easyffi
From: |
felix winkelmann |
Subject: |
Re: [Chicken-users] Question about easyffi |
Date: |
Mon, 6 Aug 2007 10:03:22 +0200 |
On 8/6/07, Ivan Raikov <address@hidden> wrote:
>
> Splitting the #>! did help, thanks. Also, if a C function returns
> NULL, is the equivalent Scheme value #f, or is it a value that
> satisfies the null-pointer? predicate? It seems like my null-pointer?
> checks are complaining about bad argument type.
>
#f. null-pointer? is used to test actual pointer objects for having a zero
address slot. It is an accessor for the low-level machine-pointer object,
so to speak.
cheers,
felix
- [Chicken-users] Question about easyffi, Ivan Raikov, 2007/08/03
- Re: [Chicken-users] Question about easyffi, felix winkelmann, 2007/08/03
- Re: [Chicken-users] Question about easyffi, Ivan Raikov, 2007/08/06
- Re: [Chicken-users] Question about easyffi, felix winkelmann, 2007/08/06
- Re: [Chicken-users] Question about easyffi, Ivan Raikov, 2007/08/06
- Re: [Chicken-users] Question about easyffi, felix winkelmann, 2007/08/06
- Re: [Chicken-users] Question about easyffi, Ivan Raikov, 2007/08/06
- Re: [Chicken-users] Question about easyffi, felix winkelmann, 2007/08/06
- Re: [Chicken-users] Question about easyffi, Ivan Raikov, 2007/08/06
- Re: [Chicken-users] Question about easyffi,
felix winkelmann <=
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- [Chicken-users] Re: Problem with sqlite3 egg, Thomas Christian Chust, 2007/08/09
- [Chicken-users] Re: Problem with sqlite3 egg, Alejandro Forero Cuervo, 2007/08/10
- [Chicken-users] Re: Problem with sqlite3 egg, Thomas Christian Chust, 2007/08/10