HelenOS sources
ui_menu_set_cb 112 uspace/app/taskbar/tbsmenu.c ui_menu_set_cb(tbsmenu->smenu, &tbsmenu_smenu_cb, (void *)tbsmenu);
ui_menu_set_cb 53 uspace/lib/ui/include/ui/menu.h extern void ui_menu_set_cb(ui_menu_t *, ui_menu_cb_t *, void *);
ui_menu_set_cb 98 uspace/lib/ui/src/menudd.c ui_menu_set_cb(mdd->menu, &ui_menu_dd_menu_cb, (void *)mdd);
ui_menu_set_cb 253 uspace/lib/ui/src/window.c ui_menu_set_cb(window->sysmenu, &wnd_sysmenu_cb, (void *)window);
ui_menu_set_cb 104 uspace/lib/ui/test/menu.c ui_menu_set_cb(menu, &cb, (void *)&obj);
ui_menu_set_cb 682 uspace/lib/ui/test/menu.c ui_menu_set_cb(menu, &dummy_cb, NULL);
ui_menu_set_cb 705 uspace/lib/ui/test/menu.c ui_menu_set_cb(menu, &testmenu_cb, (void *)&resp);
ui_menu_set_cb 732 uspace/lib/ui/test/menu.c ui_menu_set_cb(menu, &testmenu_cb, (void *)&resp);
ui_menu_set_cb 758 uspace/lib/ui/test/menu.c ui_menu_set_cb(menu, &testmenu_cb, (void *)&resp);
ui_menu_set_cb 784 uspace/lib/ui/test/menu.c ui_menu_set_cb(menu, &testmenu_cb, (void *)&resp);
HelenOS homepage, sources at GitHub