error LNK2001

  temp3.obj   :   error   LNK2001:   unresolved   external   symbol   _WSACleanup@0  
  temp3.obj   :   error   LNK2001:   unresolved   external   symbol   _WSAStartup@8  
  temp3.obj   :   error   LNK2001:   unresolved   external   symbol   _send@16  
  temp3.obj   :   error   LNK2001:   unresolved   external   symbol   _connect@12  
  temp3.obj   :   error   LNK2001:   unresolved   external   symbol   _socket@12  
  temp3.obj   :   error   LNK2001:   unresolved   external   symbol   _inet_addr@4  
  temp3.obj   :   error   LNK2001:   unresolved   external   symbol   _htons@4  

해결법 : Header:   Declared   in   winsock2.h.  (헤더파일에 추가)
             Import   Library:   Link   with   ws2_32.lib.(링커 -> 입력)

후... 중국 사이트에서 찾아냄-_-