X11 client-side library (development headers) This package provides a client interface to the X Window System, otherwise known as 'Xlib'. It provides a complete API for the basic functions of the window system. This package contains the development headers for the library found in libx11-6. Non-developers likely have little use for this package. More information about X.Org can be found at: <URL:http://www.X.org> <URL:http://xorg.freedesktop.org> <URL:http://lists.freedesktop.org/mailman/listinfo/xorg> This module can be found at git://anongit.freedesktop.org/git/xorg/lib/libX11