NS2.35 Ubuntu 16.04新增APIT

Question

尊敬的ns2用户，在我编辑ns2.35中的cmu trace.cc文件添加APIT后，生成了许多错误。其中一些如下所示。请帮帮我。提前谢谢你。

 trace/cmu-trace.cc: In member function ‘void CMUTrace::format_apit(Packet*, int)’:
trace/cmu-trace.cc:1077:45: error: ‘HDR_APIT’ was not declared in this scope
             struct hdr_apit *wd = HDR_APIT(p);
                                             ^
trace/cmu-trace.cc:1078:60: error: ‘HDR_APIT_BEACON’ was not declared in this scope
             struct hdr_apit_beacon *bcn = HDR_APIT_BEACON(p);
                                                            ^
trace/cmu-trace.cc:1079:57: error: ‘HDR_APIT_RSSI’ was not declared in this scope
             struct hdr_apit_rssi *rssi = HDR_APIT_RSSI(p);
                                                         ^
.....