rbtk_win32_SetHINSTANCE 1275 ext/tk/tcltklib.c       rbtk_win32_SetHINSTANCE(base);
rbtk_win32_SetHINSTANCE 1280 ext/tk/tcltklib.c       rbtk_win32_SetHINSTANCE(RSTRING_PTR(basename));