MFC 字串切割

//========================================
//mapKey、*liAtkIP為一組IP+Port
//將port移除只保留IP
char szBuf[100];
char mapKeyIP[100];
const char *del = ":";
    
strcpy(szBuf, (LPCTSTR)*liAtkIP);
*liAtkIP = strtok( szBuf, del);
    
strcpy(mapKeyIP, (LPCTSTR)mapKey);
mapKey = strtok( szBuf, del);
//=========================================