where are classes ExternalLibrary and ExternalStructure

I tried loading the latest issue of the ODBC package.  The load failed
because classes   ExternalLibrary and ExternalStructure were not
found.
Where do I find these classes?
I am running  Squeak 3.10.2






--
Had a wife and kids in Florida, Jack (Nicklaus)
Went out for a "ride" but I couldn't get back
As a ten timer being hunted down
OR
When the wife found out who I was knowing (biblically speaking)
I hit a hydrant and I just kept going.
...

On 08.02.2010, at 15:41, Ralph Boland wrote:
>
> I tried loading the latest issue of the ODBC package.  The load failed
> because classes   ExternalLibrary and ExternalStructure were not
> found.
> Where do I find these classes?

FFI


- Bert -