Best C++ library to interact with ICQ?

Question

I have a Qt-based windows application written in C++ that needs to report it's status via ICQ and react on some ICQ messages. Maybe anyone know a good library to interact with ICQ? I need to connect ICQ with registered login and password, send messages to specified contacts and receive messages from them.

Answer 1

I know of two streamline options:

libpurple - The core library behind Pidgin
Telepathy - The core behind Empathy

Answer 2

qoscar.googlecode.com - actual library, written on qt by me.