`#include `

`pcap_t *handle = pcap_open_live(device, BUFSIZ, , -, errbuf);`

`char filter_exp[] = "port ";`

`bpf_program fcode;`

`if (pcap_compile(handle, &fcode, filter_exp, , netmask) < ) {`

`fprintf(stderr,"Error compiling filter\n");`

`exit();`

`}`

`if (pcap_setfilter(handle, &fcode) < ) {`

`fprintf(stderr,"Error setting the filter\n");`

`exit();`

`}`

`pcap_loop(handle, COUNT, callback, NULL);`

`void callback(u_char *userData, const struct pcap_pkthdr* pkthdr, const u_char* packet) {...}`

`pcap_close(handle);`

關(guān)于車聯(lián)網(wǎng)大數(shù)據(jù)分析用將解析出的IP數(shù)據(jù)包進行進步的分析，統(tǒng)計特定時間內(nèi)的車流量、車輛行駛速度等信息，這對于交通管理、道路規(guī)劃等具有重要的參考價值。