- ND_PRINT("%s%s%s%s%s%s%s",
- flags & TH_FIN ? "F" : "",
- flags & TH_SYN ? "S" : "",
- flags & TH_RST ? "R" : "",
- flags & TH_PUSH ? "P" : "",
- flags & TH_ACK ? "A" : "",
- flags & TH_URG ? "U" : "",
- flags ? " " : "");
+ if (flags)
+ ND_PRINT("%s ", bittok2str_nosep(tcp_flag_values, "", flags));