extern void vrrp_print(const u_char *bp, u_int len, int ttl);
extern void cdp_print(const u_char *p, u_int length, u_int caplen,
const u_char *esrc, const u_char *edst);
extern void vrrp_print(const u_char *bp, u_int len, int ttl);
extern void cdp_print(const u_char *p, u_int length, u_int caplen,
const u_char *esrc, const u_char *edst);