在Mingw stdio上编译Windows Socket程序经常出现这样的错误
undefined reference to `inet_addr@4′
undefined reference to `gethostbyname@4′
undefined reference to `WSAGetLastError@0′
undefined reference to `inet_ntoa@4′
undefined reference to `WSAStartup@8′
undefined reference to `inet_ntoa@4′
undefined reference to `socket@12′
undefined reference to `htons@4′
undefined reference to `bind@12′
undefined reference to `listen@8′
undefined reference to `accept@12′
undefined reference to `recv@16′
undefined reference to `send@16′
undefined reference to `shutdown@8′
undefined reference to `closesocket@4′
undefined reference to `closesocket@4′
undefined reference to
`WSACleanup@0′
解决办法是
进入Project->Settings…->Link,在Extra linking options:一栏中加上-lwsock32