利用GetIfEntry获取本机网络流量，其中包含了需要使用到的IPHLPAPI.lib，和IPHLPAPI.h相关文件，采用vc6.0编译通过-GetIfEntry get the machine to use network traffic, which includes the need to use to the IPHLPAPI.lib, and IPHLPAPI.h relevant documents, compiled by using vc6.0