dbus-list-namesdbus-list-names is a compiled Lisp function in `
dbus.el'. (dbus-list-names BUS) Return the service names registered at D-Bus BUS. The result is a list of strings, which is `nil' when there are no registered service names at all. Well known names are strings like "org.freedesktop.DBus". Names starting with ":" are unique names for services.