-hex_and_ascii_print_with_offset(netdissect_options *ndo, register const char *ident,
- register const u_char *cp, register u_int length, register u_int oset)
+hex_and_ascii_print_with_offset(netdissect_options *ndo, const char *ident,
+ const u_char *cp, u_int length, u_int oset)