-int lizzard_compress(byte *in, uns in_len, byte *out);
-int lizzard_decompress(byte *in, byte *out);
+/* lizard.c */
+int lizard_compress(byte *in, uns in_len, byte *out);
+int lizard_decompress(byte *in, byte *out);
+
+/* lizard-safe.c */
+struct sigaction;
+struct lizard_buffer {
+ uns len;
+ void *start, *ptr;
+ struct sigaction *old_sigsegv_handler;
+};
+
+struct lizard_buffer *lizard_alloc(uns max_len);
+void lizard_free(struct lizard_buffer *buf);
+int lizard_decompress_safe(byte *in, struct lizard_buffer *buf, uns expected_length);