+/* Returns true if link is configured to respect DNS entries received by DHCP */
+int sd_network_dhcp_use_dns(unsigned index);
+
+/* Returns true if link is configured to respect NTP entries received by DHCP */
+int sd_network_dhcp_use_ntp(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);
+
+/* Get IPv4 NTP entries statically configured for the link */
+int sd_network_get_ntp(unsigned index, struct in_addr **addr, size_t *addr_size);
+
+/* Get IPv6 DNS entries statically configured for the link */
+int sd_network_get_dns6(unsigned index, struct in6_addr **addr, size_t *addr_size);
+
+/* Get IPv6 NTP entries statically configured for the link */
+int sd_network_get_ntp6(unsigned index, struct in6_addr **addr, size_t *addr_size);
+