int dhcp_lease_parse_options(uint8_t code, uint8_t len, const uint8_t *option,
void *user_data);
-int dhcp_lease_save(sd_dhcp_lease *lease, const char *lease_file);
-int dhcp_lease_load(const char *lease_file, sd_dhcp_lease **ret);
-
int dhcp_lease_set_default_subnet_mask(sd_dhcp_lease *lease);
DEFINE_TRIVIAL_CLEANUP_FUNC(sd_dhcp_lease*, sd_dhcp_lease_unref);