rbtk_EventCheckProc 2589 ext/tk/tcltklib.c Tcl_CreateEventSource(rbtk_EventSetupProc, rbtk_EventCheckProc, (ClientData)args); rbtk_EventCheckProc 2643 ext/tk/tcltklib.c Tcl_DeleteEventSource(rbtk_EventSetupProc, rbtk_EventCheckProc, (ClientData)args);