> I've got the IB6 pdf but is there anything better or more recent?
>
> what I'm trying to do is call a selectable SP, from C, passing in 1 paramenter.
>
> the sql looks like "select a, b from mysp ( ? )"
>
> I setup 2 xsqlca areas, call
> isc_start_transaction, #
> isc_dsql_allocate_statement,
> isc_dsql_prepare (passing output xsqlca)
> isc_dsql_describe_bind (passing input xsqlca)
> isc_dsql_execute2(passing both input & output xsqlc)
> at this point I get an error
> Invalid token
> SQL error code = -104
> - Unexpected end of command

You should use isc_dsql_execute() with "select ...",
isc_dsql_execute2() is for "execute procedure ..."

Ivan