//申明下述函數：
//InitPort
//CheckMacLink
//ChangeComSet
//Realtime
//OpenAccountEx
//DelAccountEx
//RestoreMachEx
//ClosePort
//-------------------------------------
//---------實時通信-------------------------
int main(int Port, int MacNo)
{
    void *hIc;
    char szBuff[25];
    int nCount = 0
    hIc = InitPort(Port);//端口初始
    if (!CheckMacLink(hIc, MacNo)//測試連接是否成功
        goto labExit;
    RestoreMachEx(hIc);//機器復位
    if (!ChangeComSet(hIc, 0))//改變端口設置
        goto labExit;

    while (nCount < 10)
    {
        memset(szBuff, '\0', 25);
        Realtime(hIc, 3, szBuff);//時實讀刷卡信息
        if ((AnsiString)szBuff != "" && (AnsiString)szBuff != "000000")
        {
            nCount++;
            printf("%03d\tCard No：%s\0", szBuff);
        }
    }
labExit:
    ClosePort(hIc);//關閉通信
}

//------------實時下傳開戶---------------
int main(int Port, int MacNo)
{
    void *hIc;
    char CardInfo[25];
    int nCount = 0
    hIc = InitPort(Port);//端口初始
    if (!CheckMacLink(hIc, MacNo)//測試連接是否成功
        goto labExit;
    if (!ChangeComSet(hIc, 1))//改變端口設置
        goto labExit;

    while (nCount < 10)
    {
	memset(CardInfo, '\0', 25);
{
	..........//將卡信息置入CardInfo (KKKKKKWWWWWWNNNNNN)
	OpenAccountEx(hIc, CardInfo);//開戶
}
//或
{
	//..........//將卡信息置入CardInfo (KKKKKK)
	//DelAccountEx(hIc, CardInfo);銷戶
}
    }
labExit:
    RestoreMachEx(hIc);//機器復位
    ClosePort(hIc);//關閉通信
}
==============delphi 的例子==========================================================
function InitPort(Port: integer): Longint; stdcall external 'ic_dll.dll';
function CheckMacLink(Port:Longint; Mach: integer): boolean; stdcall external 'ic_dll.dll';
function ClosePort(Port: Longint): integer; stdcall external 'ic_dll.dll';
procedure RestoreMachEx(Prot:longint); stdcall external 'ic_dll.dll';
function ChangeComSet(Port:Longint; Mode: integer): boolean; stdcall external 'ic_dll.dll';
function Realtime(Port:Longint; Mach: integer; var kh: array of char): boolean; stdcall external 'ic_dll.dll';

procedure TForm1.Button1Click(Sender: TObject);
var i, n: Longint;
  s: array[0..7] of char;
  j: string;
begin
  i := InitPort(1);                //初始化端口
  if CheckMacLink(i, 3) then       //測試通信是否成功
  begin
   sleep(100);
   RestoreMachEx(i) ;             //機器復位
   sleep(100);
    if ChangeComSet(i, 0) then     //改變端口設置
      for n := 1 to 1000 do
      begin
        Realtime(i, 3, s);         //返回值
        j := string(s);
        if (j <> '') and (j <> '000000') then
          memo1.Lines.Add(j);
      end;
  end;
  ClosePort(i);
end;