#include <winsock2.h>
#include <Iphlpapi.h>
#include <stdio.h>
void byte2Hex(unsigned char bData,unsigned char hex[])
{
int high=bData/16,low =bData ;
hex[0] = (high <10)?('0'+high):('A'+high-10);
hex[1] = (low <10)?('0'+low):('A'+low-10);
}
int getLocalMac(unsigned char *mac) // 获取本机MAC地址
{
ULONG ulSize=0;
PIP_ADAPTER_INFO pInfo=NULL;
int temp=0;
temp = GetAdaptersInfo(pInfo,&ulSize);//第一次调用，获取缓冲区大小
pInfo=(PIP_ADAPTER_INFO)malloc(ulSize);
temp = GetAdaptersInfo(pInfo,&ulSize);
int iCount=0;
while( pInfo)//遍历每一张网卡
{
// pInfo->Address 是MAC地址
for(int i=0;i<(int)pInfo->AddressLength;i++)
{
byte2Hex(pInfo->Address[i],&mac[iCount]);
iCount+=2;
if(i<(int)pInfo->AddressLength-1)
{
mac[iCount++] = ':';
}else
{
mac[iCount++] = '#';
}
}
pInfo = pInfo->Next;
}
if(iCount >0)
{
mac[--iCount]='\0';
return iCount;
}
else return -1;
}
int main(int argc, char* argv[])
{
unsigned char address[1024];
if(getLocalMac(address)>0)
{
printf("mac-%s\n",address);
}else
{
printf("invoke getMAC error!\n");
}
return 0;
}