Iphlpapi.h&ipHlpApi.lib

#include<winsock2.h> #include<Iphlpapi.h> #include<stdio.h> #pragma comment(lib,"Iphlpapi.lib") int main() { PIP_ADAPTER_INFO pAdapterInfo; PIP_ADAPTER_INFO pAdapter = NULL; DWORD dwRetVal = 0; ULONG ulOutBufLen; pAdapterInfo=(PIP_ADAPTER_INFO)malloc(sizeof(IP_ADAPTER_INFO)); ulOutBufLen = sizeof(IP_ADAPTER_INFO); // 第一次调用GetAdapterInfo获取ulOutBufLen大小 if (GetAdaptersInfo( pAdapterInfo, &ulOutBufLen) == ERROR_BUFFER_OVERFLOW) { free(pAdapterInfo); pAdapterInfo = (IP_ADAPTER_INFO *) malloc (ulOutBufLen); } if ((dwRetVal = GetAdaptersInfo( pAdapterInfo, &ulOutBufLen)) == NO_ERROR) { pAdapter = pAdapterInfo; while (pAdapter) { printf("Adapter Name: \t%s\n", pAdapter->AdapterName); printf("Adapter Desc: \t%s\n", pAdapter->Description); printf("MAC Addr: \t%02x-%02x-%02x-%02x-%02x-%02x\n", pAdapter->Address[0], pAdapter->Address[1], pAdapter->Address[2], pAdapter->Address[3], pAdapter->Address[4], pAdapter->Address[5]); printf("IP Address: \t%s\n", pAdapter->IpAddressList.IpAddress.String); printf("IP Mask: \t%s\n", pAdapter->IpAddressList.IpMask.String); printf("Gateway: \t%s\n", pAdapter->GatewayList.IpAddress.String); pAdapter = pAdapter->Next; } } else { printf("Call to GetAdaptersInfo failed.\n"); } }