-extern void sl_compress_init(/* struct slcompress * */);
-extern u_char sl_compress_tcp(/* struct mbuf *, struct ip *,
- struct slcompress *, int compress_cid_flag */);
-extern int sl_uncompress_tcp(/* u_char **, int, u_char, struct slcompress * */);
+void sl_compress_init(struct slcompress *);
+void sl_compress_setup(struct slcompress *, int);
+u_int sl_compress_tcp(struct mbuf *,
+ struct ip *, struct slcompress *, int);
+int sl_uncompress_tcp(u_char **, int, u_int, struct slcompress *);
+int sl_uncompress_tcp_core(u_char *, int, int, u_int,
+ struct slcompress *, u_char **, u_int *);
+
+#endif /* _SLCOMPRESS_H_ */