---clog.c.origThuAug721:56:321997+++clog.cSunMar2402:33:492002@@-63,5+63,5@@/* some global variables (ugh!) */pcap_t*ip_socket;-FILE*logfile=stdout;+FILE*logfile;intresolve=0;intdlt_len=4;@@-92,4+92,5@@intc;+logfile=stdout;opterr=0;/* parse arguments */