Packet sniffer program using pcap.h

header pcap.h. Used in wireshark/tcpdump

获取数据流量获取网络 流量-include < stdlib.h> #include < stdio.h> #include < pcap.h> void usage() void dispatcher_handler(u_char*, const struct pcap_pkthdr*, const u_char*) void main(int argc, char**argv){pcap_t*fp char errbuf[PCAP_ERRBUF_SIZE] struc