Re: [Chicken-users] working with bit- and byte-level structures

[Martin DeMello]

On Wed, Apr 16, 2008 at 12:09 PM, Hans Bulfone <address@hidden> wrote:
>  On Wed, Apr 16, 2008 at 11:38:44AM -0700, Martin DeMello wrote:
>  > Ah - okay, if it's serialisation-specific, it's not what I'm looking
>  > for. I was looking for an analogue to the C trick of interpreting a
>  > block of bits as a struct quickly and efficiently.
>
>  maybe you can use define-foreign-record to define the struct.
>  but this doesn't work at the bit level, afaik there is no way to say
>  e.g. unsigned int flag : 1;
>
>  see http://chicken.wiki.br/Accessing%20external%20objects
>  and http://chicken.wiki.br/Foreign%20type%20specifiers

Thanks, define-foreign-record looks like what I wanted. The
bit-accessors were just a hope - C doesn't really have much support
for them either.

martin