-int sd_network_get_dhcp_lease(unsigned index, sd_dhcp_lease **ret);
-
-/* Returns true if link is configured to respect DNS entries received by DHCP */
-int sd_network_dhcp_use_dns(unsigned index);
-
-/* Get IPv4 DNS entries statically configured for the link */
-int sd_network_get_dns(unsigned index, struct in_addr **addr, size_t *addr_size);