SSL_CTRL_SET_CLIENT_CERT_TYPES
SSL_CTX_ctrl(ctx, SSL_CTRL_SET_CLIENT_CERT_TYPES, clistlen, \
SSL_ctrl(s, SSL_CTRL_SET_CLIENT_CERT_TYPES, clistlen, (char *)(clist))
case SSL_CTRL_SET_CLIENT_CERT_TYPES:
case SSL_CTRL_SET_CLIENT_CERT_TYPES: