+int utils_create_lock_file(const char *filepath);
+int utils_recursive_rmdir(const char *path);
+int utils_truncate_stream_file(int fd, off_t length);
+int utils_show_help(int section, const char *page_name, const char *help_msg);
+int utils_get_memory_available(size_t *value);
+int utils_get_memory_total(size_t *value);
+int utils_change_working_directory(const char *path);
+
+/*
+ * Parse `str` as an unsigned long long value.
+ *
+ * Return 0 on success. Return -1 on failure which can be because:
+ *
+ * - `str` is zero length
+ * - `str` contains invalid
+ */
+LTTNG_HIDDEN
+int utils_parse_unsigned_long_long(const char *str,
+ unsigned long long *value);