Low level Bluetooth Programming in C++

I need a library (or API, ...) to do some low level Bluetooth programming using C++. Any reference or rich link will be great!

And i prefer to 开发者_如何学运维work in linux based opreration systems...

Thanks in advance... :)

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http://www.bluez.org/ for Linux

http://inthehand.com/content/32feet.aspx for Windows