XAtomQueue     XInput         XProperties    XScrnPxmp      X_PEX_Base  
XClient        XMessenger     XScreenType    XScrnTpRep     XtC  
XClientF       XPaint         XScrnCmap      XScrollQueue   XtE  
XEventQueue    XParam         XScrnCrsr      XSharedFree    XtN  
XExtensions    XPicture       XScrnFont      XSharedMem     XtR  
XGC            XPictureFree   XScrnPntOp     XTrestle       XtermModel