i found this in ibase.h...it is somewhat confusing and i am not sure how to
implement it. are there any examples/manuals you can point me to...i can
see how to populate the struct to a certain extent, but a pointer to the
variable, not sure how to do that from firebird to the udf, easy to do in
reverse though.



""Ann W. Harrison"" <aharrison@...> wrote in message
news:5.1.0.14.2.20021004160039.0545bbb0@......

> At 03:40 PM 10/4/2002 -0400, Jonathan M. Freedman wrote:
> >so u pass 123456 in one var (intcomponent) and another (-3) in a second
> >variable (deccomponent)
>
> And 0 or 1 in a third variable, (nulcomponent).
>
>
> >?, and what is a descriptor?
>
> Rather than passing fields by reference or value, you pass a
> reference to a structure that includes the datatype, scale,
> null state, length (for some datatypes), subtype, and address
> of the actual data.
>
>
>
> Regards,
>
> Ann
> www.ibphoenix.com
> We have answers.
>
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