SSL_CTRL_MODE
SSL_CTX_ctrl((ctx), SSL_CTRL_MODE, (op), NULL)
SSL_CTX_ctrl((ctx), SSL_CTRL_MODE, 0, NULL)
SSL_ctrl((ssl), SSL_CTRL_MODE, (op), NULL)
SSL_ctrl((ssl), SSL_CTRL_MODE, 0, NULL)
case SSL_CTRL_MODE:
case SSL_CTRL_MODE: {
case SSL_CTRL_MODE: