int sd_bus_get_server_id(sd_bus *bus, sd_id128_t *peer);
int sd_bus_get_peer_creds(sd_bus *bus, uint64_t creds_mask, sd_bus_creds **ret);
int sd_bus_get_name(sd_bus *bus, const char **name);
int sd_bus_get_server_id(sd_bus *bus, sd_id128_t *peer);
int sd_bus_get_peer_creds(sd_bus *bus, uint64_t creds_mask, sd_bus_creds **ret);
int sd_bus_get_name(sd_bus *bus, const char **name);