Socket error 0 - Directly send error 
Socket error 10004 - Interrupted function  //call 操作被终止 
Socket error 10013 - Permission denied  //c访问被拒绝 
Socket error 10014 - Bad address   //c地址错误 
Socket error 10022 - Invalid argument   //参数错误 
Socket error 10024 - Too many open files  // 打开太多的sockets 
Socket error 10035 - Resource temporarily unavailable // 没有可以获取的资料 
Socket error 10036 - Operation now in progress   // 一个阻塞操作正在进行中 
Socket error 10037 - Operation already in progress  // 操作正在进行中 
Socket error 10038 - Socket operation on non-socket //非法的socket对象在操作 
Socket error 10039 - Destination address required   //目标地址错误 
Socket error 10040 - Message too long            //数据太长 
Socket error 10041 - Protocol wrong type for socket //协议类型错误 
Socket error 10042 - Bad protocol option      // 错误的协议选项 
Socket error 10043 - Protocol not supported   //协议不被支持 
Socket error 10044 - Socket type not supported //socket类型不支持 
Socket error 10045 - Operation not supported   //不支持该操作 
Socket error 10046 - Protocol family not supported  //协议族不支持 
Socket error 10047 - Address family not supported by protocol family//使用的地址族不在支持之列 
Socket error 10048 - Address already in use   //地址已经被使用 
Socket error 10049 - Cannot assign requested address  //地址设置失败 
Socket error 10050 - Network is down    //网络关闭 
Socket error 10051 - Network is unreachable //网络不可达 
Socket error 10052 - Network dropped connection on reset  //网络被重置 
Socket error 10053 - Software caused connection abort  //软件导致连接退出 
Socket error 10054 - connection reset by peer   //连接被重置 
Socket error 10055 - No buffer space available   //缓冲区不足 
Socket error 10056 - Socket is already connected  // socket已经连接 
Socket error 10057 - Socket is not connected    //socket没有连接 
Socket error 10058 - Cannot send after socket shutdown  //socket已经关闭 
Socket error 10060 - Connection timed out   //超时 
Socket error 10061 - Connection refused     //连接被拒绝 
Socket error 10064 - Host is down    //主机已关闭 
Socket error 10065 - No route to host  // 没有可达的路由 
Socket error 10067 - Too many processes  //进程太多 
Socket error 10091 - Network subsystem is unavailable  //网络子系统不可用 
Socket error 10092 - WINSOCK.DLL version out of range //winsock.dll版本超出范围 
Socket error 10093 - Successful WSAStartup not yet performed //没有成功执行WSAStartup 
Socket error 10094 - Graceful shutdown in progress  //
Socket error 11001 - Host not found   //主机没有找到 
Socket error 11002 - Non-authoritative host not found   // 非授权的主机没有找到 
Socket error 11003 - This is a non-recoverable error  //这是个无法恢复的错误 
Socket error 11004 - Valid name, no data record of requested type  //请求的类型的名字或数据错误

WSAEADDRINUSE (10048) Address already in use 
WSAECONNABORTED (10053) Software caused connection abort 
WSAECONNREFUSED (10061) Connection refused 
WSAECONNRESET (10054) Connection reset by peer 
WSAEDESTADDRREQ (10039) Destination address required 
WSAEHOSTUNREACH (10065) No route to host 
WSAEMFILE (10024) Too many open files 
WSAENETDOWN (10050) Network is down 
WSAENETRESET (10052) Network dropped connection 
WSAENOBUFS (10055) No buffer space available 
WSAENETUNREACH (10051) Network is unreachable 
WSAETIMEDOUT (10060) Connection timed out 
WSAHOST_NOT_FOUND (11001) Host not found 
WSASYSNOTREADY (10091) Network sub-system is unavailable 
WSANOTINITIALISED (10093) WSAStartup() not performed 
WSANO_DATA (11004) Valid name, no data of that type 
WSANO_RECOVERY (11003) Non-recoverable query error 
WSATRY_AGAIN (11002) Non-authoritative host found 
WSAVERNOTSUPPORTED (10092) Wrong WinSock DLL version