C:\dynamips>ethlist.exe Network devices: Number NAME (Description) 0 \Device\NPF_{3DF0EC5D-7FBE-46DF-ACF8-EF5D8679A473} (loopback) 1 \Device\NPF_{D9FBD118-B9DF-4C3C-BD9E-07A0E34D8F75} (Local Area Connection* 8) 2 \Device\NPF_{F5057901-6A30-413A-80E4-4765DA794B7C} (...
第二,请记住不是所有的操作系统都支持libpcap提供的网络程序接口,因此,如果我们想编写一个可移植的应用程序,我们就必须考虑在什么情况下,description 是null。本程序中,我们遇到这种情况时,会打印一个提示语句“No description available”。 最后要记住,当我们完成了设备列表的使用,我们要调用 pcap_freealldevs() 函...
DESCRIPTION pcap_compile(3) is used to compile a string into a filter program. The resulting filter program can then be applied to some stream of packets to determine which packets will be supplied to pcap_loop(3), pcap_dispatch(3), pcap_next(3), or pcap_next_ex(3). The filter expre...
其次,并不是所有的操作系统都支持libpcap提供的网络接口描述,因此如果我们想写一个可移植的程序,我们必须考虑description为null的情况:这个时候我们就输出字符串"No description available" 。 最后要提醒一下:一旦我们完成了这些动作,就应该释放用pcap_freealldevs()列表。 让我们编译并运行这段简单的代码。在unix或者...
printf(" (No descriptionavailable)\n"); } if (i==0) { fprintf(stderr,"No interfacesfound! Exiting.\n"); return -1; } printf("Enter the interface number(1-%d):",i); scanf("%d", &inum); if (inum < 1 || inum > i) ...
printf(" (No description available)n"); } if(i==0) { printf("nNo interfaces found! Make sure WinPcap is installed.n"); return -1; } printf("Enter the interface number (1-%d):",i); scanf("%d", &inum); if(inum < 1 || inum > i) ...
(and link-layer technologies). Analyzer 3.0 comes out with some event logging, LAN monitoring and traffic monitoring capabilities. However, Analyzer 3.0 most valuable point is the ability to parse network packets according to the protocol description contained into some external files, which can be ...
Descriptionpcap_compile(3PCAP) is used to compile a string into a filter program. The resulting filter program can then be applied to some stream of packets to determine which packets will be supplied to pcap_loop(3PCAP), pcap_dispatch(3PCAP), pcap_next(3PCAP), or pcap_next_ex(3PCAP)...
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