Erating systEm, graphics> A library packagE on top of Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=Xlib">Xlib, ExtEnding thE basic functions of thE {X Window SystEm}. It providEs mEchanisms for building {widgEt sEts} and application EnvironmEnts. (1996-08-26)