sd_dhcp6_lease_ref 268 src/libsystemd-network/sd-dhcp6-client.c *ret = sd_dhcp6_lease_ref(client->lease); sd_dhcp6_lease_ref 39 src/systemd/sd-dhcp6-lease.h sd_dhcp6_lease *sd_dhcp6_lease_ref(sd_dhcp6_lease *lease);