-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 *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 *ipproto_string(u_int);
-extern const char *getname(const u_char *);
-#ifdef INET6
-extern const char *getname6(const u_char *);
-#endif
-extern const char *intoa(u_int32_t);
+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(netdissect_options *, const u_char *);
+extern const char *etherproto_string(netdissect_options *, u_short);
+extern const char *tcpport_string(netdissect_options *, u_short);
+extern const char *udpport_string(netdissect_options *, u_short);
+extern const char *isonsap_string(netdissect_options *, const u_char *, register u_int);
+extern const char *dnaddr_string(netdissect_options *, u_short);
+extern const char *protoid_string(netdissect_options *, const u_char *);
+extern const char *ipxsap_string(netdissect_options *, u_short);
+extern const char *getname(netdissect_options *, const u_char *);
+extern const char *getname6(netdissect_options *, const u_char *);
+extern const char *intoa(uint32_t);