The Simple DirectMedia Layer (SDL for short) is a cross-platfrom library designed to make it easy to write multi-media software, such as games and emulators. The Simple DirectMedia Layer library source code is available from: http://www.libsdl.org/ This library is distributed under the terms of the GNU LGPLv2 license: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html