+#ifdef CONFIG_UCW_CLEAN_ABI
+#define base224_decode ucw_base224_decode
+#define base224_encode ucw_base224_encode
+#endif
+
+/**
+ * Encodes @len bytes of data pointed to by @src by base224 encoding.
+ * Stores them in @dest and returns the number of bytes the output
+ * takes.
+ */