/* Connections */
+int sd_bus_default_user(sd_bus **ret);
+int sd_bus_default_system(sd_bus **ret);
+
int sd_bus_open_user(sd_bus **ret);
int sd_bus_open_system(sd_bus **ret);
int sd_bus_open_system_remote(const char *host, sd_bus **ret);
int sd_bus_flush(sd_bus *bus);
sd_bus_message* sd_bus_get_current(sd_bus *bus);
+int sd_bus_get_tid(sd_bus *bus, pid_t *tid);
int sd_bus_attach_event(sd_bus *bus, sd_event *e, int priority);
int sd_bus_detach_event(sd_bus *bus);