host_v4
if (cont && (ipa = host_v4(s, mask == -1 ? 32 : mask)) != NULL)
struct ipsec_addr_wrap *host_v4(const char *, int);
hosts.src = host_v4("0.0.0.0/0", 1);
hosts.dst = host_v4("0.0.0.0/0", 1);
struct address *host_v4(const char *);
h = host_v4(s);
h = host_v4(s, port);
struct listener *host_v4(const char *, in_port_t);
static int host_v4(struct listen_opts *);
if (host_v4(lo))
static int host_v4(struct listen_opts *);
if (host_v4(lo))