BIO_meth_set_ctrl
int BIO_meth_set_ctrl(BIO_METHOD *biom, long (*ctrl)(BIO *, int, long, void *));
LCRYPTO_ALIAS(BIO_meth_set_ctrl);
LCRYPTO_USED(BIO_meth_set_ctrl);
BIO_meth_set_ctrl(bio_method, bio_cb_ctrl);