HelenOS sources

startmenu_down_entry_clicked   58 uspace/app/taskbar-cfg/startmenu.c static void startmenu_down_entry_clicked(ui_pbutton_t *, void *);
startmenu_down_entry_clicked   92 uspace/app/taskbar-cfg/startmenu.c 	.clicked = startmenu_down_entry_clicked
HelenOS homepage, sources at GitHub