host_v6
if (cont && (ipa = host_v6(ps, mask == -1 ? 128 : mask)) != NULL)
struct ipsec_addr_wrap *host_v6(const char *, int);
struct address *host_v6(const char *);
h = host_v6(s);
h = host_v6(s, port);
struct listener *host_v6(const char *, in_port_t);
static int host_v6(struct listen_opts *);
if (host_v6(lo))
static int host_v6(struct listen_opts *);
if (host_v6(lo))