GetAdaptersInfo - AdapterName - shows GUID instead of real name

Hello,
I use IPHlpAPI to enumerate my NIC Settings.

AdapterName shows something like this:
{3CF3184D-D440-433B-B4F0-652EC6946DED}

but I expect that it look like
"Local Area Connection"

So the Question ist, how can I get the name of the connection of the
Adapter?
I have D6 Prof and Win XP.