PEM_write_bio_SSL_SESSION
PEM_write_bio_SSL_SESSION(stmp,
PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
i = PEM_write_bio_SSL_SESSION(out, x);
int PEM_write_bio_SSL_SESSION(BIO *bp, SSL_SESSION *x);
if (PEM_write_bio_SSL_SESSION(bio, ss) == 0)