This is a Linux/i386 binary port of GLib, version 2.X.

from the home page:

	GLib is the low-level core library that forms the basis of
	GTK+ and GNOME.  It provides data structure handling for C,
	portability wrappers, and interfaces for such runtime
	functionality as an event loop, threads, dynamic loading,
	and an object system.

WWW:  http://gtk.org