SSL_CTRL_SET_TMP_ECDH_CB
case SSL_CTRL_SET_TMP_ECDH_CB:
case SSL_CTRL_SET_TMP_ECDH_CB:
case SSL_CTRL_SET_TMP_ECDH_CB:
case SSL_CTRL_SET_TMP_ECDH_CB:
SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_ECDH_CB,
SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);