} DHCP6ClientStartMode;
typedef struct Link Link;
-typedef struct Request Request;
bool link_dhcp6_with_address_enabled(Link *link);
int dhcp6_check_ready(Link *link);
int dhcp6_start(Link *link);
int dhcp6_start_on_ra(Link *link, bool information_request);
-int dhcp6_process_request(Request *req, Link *link, void *userdata);
int link_request_dhcp6_client(Link *link);
int link_serialize_dhcp6_client(Link *link, FILE *f);