-extern const char *linkaddr_string(const u_char *, const unsigned int, const unsigned int);
-extern const char *etheraddr_string(const u_char *);
+extern const char *linkaddr_string(netdissect_options *, const u_char *, const unsigned int, const unsigned int);
+extern const char *etheraddr_string(netdissect_options *, const u_char *);
extern const char *le64addr_string(const u_char *);
extern const char *etherproto_string(u_short);
extern const char *tcpport_string(u_short);
extern const char *udpport_string(u_short);
extern const char *isonsap_string(const u_char *, register u_int);
extern const char *le64addr_string(const u_char *);
extern const char *etherproto_string(u_short);
extern const char *tcpport_string(u_short);
extern const char *udpport_string(u_short);
extern const char *isonsap_string(const u_char *, register u_int);