HelenOS sources

startmenu_up_entry_clicked   57 uspace/app/taskbar-cfg/startmenu.c static void startmenu_up_entry_clicked(ui_pbutton_t *, void *);
startmenu_up_entry_clicked   87 uspace/app/taskbar-cfg/startmenu.c 	.clicked = startmenu_up_entry_clicked
HelenOS homepage, sources at GitHub