--- /dev/null
+/*
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ * Copyright (C) 2021 Michael Jeanson <mjeanson@efficios.com>
+ */
+
+#define LTTNG_UST_PROBE_DESC_PADDING 12
+struct lttng_probe_desc {
+ char padding[LTTNG_UST_PROBE_DESC_PADDING];
+};
+
+void init_usterr(void);
+
+/*
+ * The symbol used by liblttng-ust.so.1 to detect liblttng-ust.so.0 in a
+ * process.
+ */
+int ltt_probe_register(struct lttng_probe_desc *desc);