GTK+ Foundation Classes (GFC) is a set of integrated C++ foundation classes for developing GTK+ applications. . GFC-UI is a collection of C++ modules that form the user interface library of GFC. This is the library you will primarily use to build your applications interface. . GFC-UI includes C++ wrappers for the ATK, GDK, GTK+, GdkPixbuf and Pango libraries. . This package provides the development files needed to compile programs that use GFC-UI.