필터식 BSF 문법 확인 //pc_fake.c#include int main(int argc,char **argv){ char errbuf[PCAP_ERRBUF_SIZE]; pcap_t *device = pcap_open_dead(0,1024); if(device == 0){ printf("fail open_dead...%s\n",errbuf); return 0; } struct bpf_program fcode; if(pcap_compile(device,&fcode,argv[1], 0,0)