static int bsd_compress __P((void *state, struct mbuf **mret,
struct mbuf *mp, int slen, int maxolen));
static void bsd_incomp __P((void *state, struct mbuf *dmsg));
static int bsd_compress __P((void *state, struct mbuf **mret,
struct mbuf *mp, int slen, int maxolen));
static void bsd_incomp __P((void *state, struct mbuf *dmsg));