-int lizard_compress(byte *in, uns in_len, byte *out);
-int lizard_decompress(byte *in, byte *out);
+/* lizard.c */
+int lizard_compress(const byte *in, uns in_len, byte *out);
+int lizard_decompress(const byte *in, byte *out);
+
+/* lizard-safe.c */
+struct lizard_buffer;
+
+struct lizard_buffer *lizard_alloc(void);
+void lizard_free(struct lizard_buffer *buf);
+byte *lizard_decompress_safe(const byte *in, struct lizard_buffer *buf, uns expected_length);
+
+/* adler32.c */
+uns update_adler32(uns adler, const byte *ptr, uns len);
+
+static inline uns
+adler32(const byte *buf, uns len)
+{
+ return update_adler32(1, buf, len);
+}
+
+#endif