HelenOS sources

tbsmenu_add_sep   178 uspace/app/taskbar/tbsmenu.c 			rc = tbsmenu_add_sep(tbsmenu, &tentry);
tbsmenu_add_sep    59 uspace/app/taskbar/tbsmenu.h extern errno_t tbsmenu_add_sep(tbsmenu_t *, tbsmenu_entry_t **);
HelenOS homepage, sources at GitHub