+int bus_message_read_strv_extend(sd_bus_message *m, char ***l);
+
+int bus_message_from_malloc(
+ void *buffer,
+ size_t length,
+ int *fds,
+ unsigned n_fds,
+ const struct ucred *ucred,
+ const char *label,
+ sd_bus_message **ret);
+
+const char* bus_message_get_arg(sd_bus_message *m, unsigned i);