rb_threadWaitVisibilityProc 4824 ext/tk/tcltklib.c static void rb_threadWaitVisibilityProc _((ClientData, XEvent *)); rb_threadWaitVisibilityProc 5277 ext/tk/tcltklib.c rb_threadWaitVisibilityProc, (ClientData) param); rb_threadWaitVisibilityProc 5301 ext/tk/tcltklib.c rb_threadWaitVisibilityProc,