获得当前使用网卡名

#include <windows.h> #include <IPHlpApi.h>//for GetAdaptersInfo #include <stdio.h> #pragma comment(lib, "Iphlpapi.lib") void GetAdapterName(char* AdapterName) { unsigned long len=0; PIP_ADAPTER_INFO pinfo = NULL; GetAdaptersInfo(pinfo,&len);//第一次调用，用于获得pinfo长度 pinfo = (PIP_ADAPTER_INFO)malloc(len); GetAdaptersInfo(pinfo,&len); strcpy(AdapterName, "rpcap:////Device//NPF_");//为给pcap_open使用 strcat(AdapterName, pinfo->AdapterName); free(pinfo); } void main() { char AdapterName[128]; GetAdapterName(AdapterName); printf("%s/n", AdapterName); }