在一个局域网环境中，用C 语言实现下面的基本功能：（1）确定截包的方法：包括RAW 模式SOCKET、PACKET32和直接作为驱驱动程序挂在NDIS上（2）要求截获以下包的类型并分析：以太网帧格式、IP包、ICMP包、TCP报文段、UDP报文等相关字段进行描述。

-In a LAN environment, using the C language to achieve the following basic functions: (1) to determine the cut-off package: including of RAW mode the SOCKET, PACKET32 and directly as the type of drive drivers hanging in the NDIS on a (2) requires the following packages intercepted and analysis: Ethernet frame format, IP packets, ICMP packets, TCP segment, UDP packets and other related fields to describe.