孟晓艺微博怎么没了:vc++编译成功但link.exe 时出错是怎么回事？

组建时信息如下：

--------------------Configuration: 5 - Win32 Debug--------------------
Linking...
main.obj : error LNK2001: unresolved external symbol _WSACleanup@0
main.obj : error LNK2001: unresolved external symbol _closesocket@4
main.obj : error LNK2001: unresolved external symbol _exec_timers
main.obj : error LNK2001: unresolved external symbol _WSAGetLastError@0
main.obj : error LNK2001: unresolved external symbol _select@20
main.obj : error LNK2001: unresolved external symbol _next_timer
main.obj : error LNK2001: unresolved external symbol _note_mass_notification
main.obj : error LNK2001: unresolved external symbol _note_dump
main.obj : error LNK2001: unresolved external symbol _chandb_dump
main.obj : error LNK2001: unresolved external symbol _add_timer
main.obj : error LNK2001: unresolved external symbol _WSAStartup@8
main.obj : error LNK2001: unresolved external symbol _Channel_Db
main.obj : error LNK2001: unresolved external symbol _list_free
main.obj : error LNK2001: unresolved external symbol _free_pointer
main.obj : error LNK2001: unresolved external symbol _my_ntoa
main.obj : error LNK2001: unresolved external symbol _listen@8
main.obj : error LNK2001: unresolved external symbol _bind_interface
main.obj : error LNK2001: unresolved external symbol _new_tcp_socket
main.obj : error LNK2001: unresolved external symbol _list_count
main.obj : error LNK2001: unresolved external symbol _lookup_ip
main.obj : error LNK2001: unresolved external symbol _init_server
main.obj : error LNK2001: unresolved external symbol _inet_addr@4
main.obj : error LNK2001: unresolved external symbol _optarg
main.obj : error LNK2001: unresolved external symbol __getopt
main.obj : error LNK2001: unresolved external symbol _remove_connection
main.obj : error LNK2001: unresolved external symbol _send_queued_data
main.obj : error LNK2001: unresolved external symbol _handle_connection
main.obj : error LNK2001: unresolved external symbol ___WSAFDIsSet@8
main.obj : error LNK2001: unresolved external symbol _set_keepalive
main.obj : error LNK2001: unresolved external symbol _set_nonblocking
main.obj : error LNK2001: unresolved external symbol _add_client
main.obj : error LNK2001: unresolved external symbol _ntohs@4
main.obj : error LNK2001: unresolved external symbol _new_connection
main.obj : error LNK2001: unresolved external symbol _inet_ntoa@4
main.obj : error LNK2001: unresolved external symbol _accept@12
Debug/5.exe : fatal error LNK1120: 35 unresolved externals
执行 link.exe 时出错.

5.exe - 1 error(s), 0 warning(s)