BIO_callback_ctrl
return BIO_callback_ctrl(b->next_bio, cmd, fp);
ret = BIO_callback_ctrl(b->next_bio, cmd, fp);
ret = BIO_callback_ctrl(b->next_bio, cmd, fp);
ret = BIO_callback_ctrl(b->next_bio, cmd, fp);
#define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)()))
#define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp);
LCRYPTO_ALIAS(BIO_callback_ctrl);
ret = BIO_callback_ctrl(b->next_bio, cmd, fp);
ret = BIO_callback_ctrl(bio->next_bio, cmd, fp);
ret = BIO_callback_ctrl(b->next_bio, cmd, fp);
LCRYPTO_USED(BIO_callback_ctrl);
ret = BIO_callback_ctrl(ssl->rbio, cmd, fp);