This library is designed to make it easy to write games that run on UNIX,
Win32 and BeOS using the various native high-performance media interfaces,
(for video, audio, etc) and presenting a single source-code level API to
your application.  This is a fairly low level API, but using this, completely
portable applications can be written with a great deal of flexibility.

WWW: http://www.devolution.com/~slouken/SDL/