Qt-3 and networking

Hello!
What are opportunities for developers to implement cross-platform udp networking ? Are they limited to Qt only? Are there other open-source libraries that can be used in couple with Qt?
I'm new to cross-platform network programming and searching for "best choice".

BSD sockets?

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Originally Posted by wysota

BSD sockets?

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I've looked through article in wiki. Are you sure they cross-platform? What shared libraries i've to provide with application?

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Originally Posted by a550ee

Are you sure they cross-platform?

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Yes, thay are supported at least on different U*ix flavours and Windows.

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What shared libraries i've to provide with application?

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You don't have to provide any libraries. BSD sockets are bundled with the systems. Qt uses BSD sockets too, by the way.