请教怎么采用判断MAC地址的方式设置程序运行许可

请问如何采用判断MAC地址的方式设置程序运行许可？
我编的一个程序，希望用户运行时，判断一下所运行机器的mac地址，如果在列表范围内则运行，否则不运行，防止未经许可的用户使用。
请问如何在程序设置代码？

[解决办法]

C/C++ code

 
 //--------------------------------------- 
  
 #include  <vcl.h> 
 #include  <conio.h> 
  
 #pragma argsused 
  
 //--------------------------------------- 
 #include  <windows.h> 
 #include  <stdio.h> 
 #include  <time.h> 
 #include  <stdlib.h> 
 #include  <iostream.h> 
  
 #define MAX_ADAPTER_DESCRIPTION_LENGTH  128 // arb. 
 #define MAX_ADAPTER_NAME_LENGTH     256 // arb. 
 #define MAX_ADAPTER_ADDRESS_LENGTH    8   // arb. 
  
 typedef struct { 
   char String[4 * 4]; 
 } IP_ADDRESS_STRING, *PIP_ADDRESS_STRING, IP_MASK_STRING, *PIP_MASK_STRING; 
  
 typedef struct _IP_ADDR_STRING { 
   struct _IP_ADDR_STRING* Next; 
   IP_ADDRESS_STRING IpAddress; 
   IP_MASK_STRING IpMask; 
   DWORD Context; 
 } IP_ADDR_STRING, *PIP_ADDR_STRING; 
  
  
 typedef struct _IP_ADAPTER_INFO { 
   struct _IP_ADAPTER_INFO* Next; 
   DWORD ComboIndex; 
   char AdapterName[MAX_ADAPTER_NAME_LENGTH + 4]; 
   char Description[MAX_ADAPTER_DESCRIPTION_LENGTH + 4]; 
   UINT AddressLength; 
   BYTE Address[MAX_ADAPTER_ADDRESS_LENGTH]; 
   DWORD Index; 
   UINT Type; 
   UINT DhcpEnabled; 
   PIP_ADDR_STRING CurrentIpAddress; 
   IP_ADDR_STRING IpAddressList; 
   IP_ADDR_STRING GatewayList; 
   IP_ADDR_STRING DhcpServer; 
   BOOL HaveWins; 
   IP_ADDR_STRING PrimaryWinsServer; 
   IP_ADDR_STRING SecondaryWinsServer; 
   time_t LeaseObtained; 
   time_t LeaseExpires; 
 } IP_ADAPTER_INFO, *PIP_ADAPTER_INFO; 
  
 typedef DWORD (WINAPI* GetAdaptersInfoFunc)( 
 PIP_ADAPTER_INFO pAdapterInfo,  // buffer to receive data 
 PULONG pOutBufLen         // size of data returned 
 ); 
 /////////////////////////////////////////////////////////////////////////////// 
  
 void MacAddressToString(const LPBYTE Address, LPSTR lpsz, int nAddressLength = 6) 
 { 
 int n; 
 LPSTR p = lpsz; 
 for (n = 0; n  < nAddressLength; n++) 
 { 
 p += sprintf(p, n ? "-%02x" : "%02x", Address[n]); 
 } 
 } 
  
 void main() 
 { 
 HMODULE hLib; 
 GetAdaptersInfoFunc GetAdaptersInfo = NULL; 
  
 PIP_ADAPTER_INFO pai = NULL; 
 DWORD dwSize = 0; 
 CHAR szMac[64]; 
  
 hLib = LoadLibrary("Iphlpapi.dll"); 
 if (!hLib) 
 { 
 puts("Failed to load Iphlpapi.dll"); 
 exit(1); 
 } 
  
 GetAdaptersInfo = (GetAdaptersInfoFunc)GetProcAddress(hLib, "GetAdaptersInfo"); 
 if (GetAdaptersInfo == NULL) 
 { 
 puts("Failed to load GetAdaptersInfo in Iphlpapi.dll"); 
 } 
  
 // Get size of buffer needed: 
 GetAdaptersInfo(NULL, &dwSize); 
  
 pai = (PIP_ADAPTER_INFO)GlobalAlloc(GPTR, dwSize); 
 GetAdaptersInfo(pai, &dwSize); 
  
 PIP_ADAPTER_INFO p = pai; 
     cout < <p->AdapterName < <endl; 
      cout < <p->DhcpEnabled < <endl; 
 MacAddressToString(p->Address, szMac, p->AddressLength); 
 cout < <"mac地址:" < <szMac < <endl; 
  
 GlobalFree(pai); 
 FreeLibrary(hLib); 
 }