extern void wb_print(const void *, u_int);
extern int ah_print(register const u_char *, register const u_char *);
extern int esp_print(register const u_char *, register const u_char *, int *);
extern void isakmp_print(const u_char *, u_int, const u_char *);
extern int ipcomp_print(register const u_char *, register const u_char *, int *);
extern void rx_print(register const u_char *, int, int, int, u_char *);
extern void wb_print(const void *, u_int);
extern int ah_print(register const u_char *, register const u_char *);
extern int esp_print(register const u_char *, register const u_char *, int *);
extern void isakmp_print(const u_char *, u_int, const u_char *);
extern int ipcomp_print(register const u_char *, register const u_char *, int *);
extern void rx_print(register const u_char *, int, int, int, u_char *);