* @param buff Buffer in which to place data, or NULL to count size
* @param buff_size Size of buffer
* @param needed Returns number of bytes used / needed
- * @return 0 if ok, -1 on error (buffer exhausted)
+ * Return: 0 if ok, -1 on error (buffer exhausted)
*/
int trace_list_functions(void *buff, size_t buff_size, size_t *needed);