bio_call_callback
if ((ret = (int)bio_call_callback(bio, BIO_CB_FREE, NULL, 0, 0,
if ((ret = (int)bio_call_callback(b, BIO_CB_READ, out, outl, 0,
ret = (int)bio_call_callback(b, BIO_CB_READ | BIO_CB_RETURN,
if ((ret = (int)bio_call_callback(b, BIO_CB_WRITE, in, inl, 0,
ret = (int)bio_call_callback(b, BIO_CB_WRITE | BIO_CB_RETURN,
if ((ret = (int)bio_call_callback(b, BIO_CB_PUTS, in, 0, 0, 0L,
ret = (int)bio_call_callback(b, BIO_CB_PUTS | BIO_CB_RETURN,
if ((ret = (int)bio_call_callback(b, BIO_CB_GETS, in, inl, 0, 0L,
ret = (int)bio_call_callback(b, BIO_CB_GETS | BIO_CB_RETURN, in,
if ((ret = bio_call_callback(b, BIO_CB_CTRL, parg, 0, cmd, larg,
ret = bio_call_callback(b, BIO_CB_CTRL | BIO_CB_RETURN, parg, 0,
if ((ret = bio_call_callback(b, BIO_CB_CTRL, (void *)&fp, 0,
ret = bio_call_callback(b, BIO_CB_CTRL | BIO_CB_RETURN,