+
+sd_dhcp_client *sd_dhcp_client_ref(sd_dhcp_client *client);
+sd_dhcp_client *sd_dhcp_client_unref(sd_dhcp_client *client);
+
+int sd_dhcp_client_new(sd_dhcp_client **ret);
+
+int sd_dhcp_client_attach_event(sd_dhcp_client *client, sd_event *event, int priority);
+int sd_dhcp_client_detach_event(sd_dhcp_client *client);
+sd_event *sd_dhcp_client_get_event(sd_dhcp_client *client);