+/**
+ * Call this after the last @md5_update(). It will terminate the
+ * algorithm and return a pointer to the result.
+ *
+ * Note that the data it points to are stored inside the @context, so
+ * if you use it to compute another hash or it ceases to exist, the
+ * pointer becomes invalid.
+ *
+ * To convert the hash to its usual hexadecimal representation, see
+ * <<string:mem_to_hex()>>.
+ */