BIO_lookup
if (BIO_lookup(h, p, BIO_LOOKUP_SERVER, AF_UNSPEC, SOCK_STREAM, &res) == 0)
if (BIO_lookup(str, NULL, BIO_LOOKUP_CLIENT, AF_INET, SOCK_STREAM, &res)) {
if (BIO_lookup(NULL, str, BIO_LOOKUP_CLIENT, AF_INET, SOCK_STREAM, &res)) {
if (BIO_lookup(c->param_addr, c->param_serv, BIO_LOOKUP_SERVER,
if (BIO_lookup(c->param_hostname, c->param_service,
int BIO_lookup(const char *host, const char *service,