+/**
+ * next_lower() - get next codepoint converted to lower case
+ *
+ * @string: pointer to u16 string, on return advanced by one codepoint
+ * Return: first codepoint of string converted to lower case
+ */
+static s32 next_lower(const u16 **string)
+{
+ return utf_to_lower(utf16_get(string));
+}
+