BIO_f_ssl
LSSL_ALIAS(BIO_f_ssl);
LSSL_ALIAS(BIO_f_ssl);
if ((ret = BIO_new(BIO_f_ssl())) == NULL)
LSSL_USED(BIO_f_ssl);
const BIO_METHOD *BIO_f_ssl(void);
c_bio = BIO_new(BIO_f_ssl());
s_bio = BIO_new(BIO_f_ssl());
s_ssl_bio = BIO_new(BIO_f_ssl());
c_ssl_bio = BIO_new(BIO_f_ssl());
ssl_bio = BIO_new(BIO_f_ssl());