刚接触C++ Express，在遵循winsock教程后，出现了无数错误。
已将 Windows SDK 7.1 链接到属性。我缺少什么？
#include <winsock2.h>
#include <stdio.h>
#include <stdafx.h>
#pragma comment(lib, "Ws2_32.lib")
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
int main(int argc, char **argv)
{
WSADATA wsaData;
SOCKET SendingSocket;
// Server/receiver address
SOCKADDR_IN ServerAddr, ThisSenderInfo;
// Server/receiver port to connect to
unsigned int Port = 7171;
int RetCode;
// Be careful with the array bound, provide some checking mechanism...
char sendbuf[1024] = "This is a test string from sender";
int BytesSent, nlen;
// Initialize Winsock version 2.2
WSAStartup(MAKEWORD(2,2), &wsaData);
printf("Client: Winsock DLL status is %s.\n", wsaData.szSystemStatus);
// Create a new socket to make a client connection.
// AF_INET = 2, The Internet Protocol version 4 (IPv4) address family, TCP protocol
SendingSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(SendingSocket == INVALID_SOCKET)
{
printf("Client: socket() failed! Error code: %ld\n", WSAGetLastError());
// Do the clean up
WSACleanup();
// Exit with error
return -1;
}
else
printf("Client: socket() is OK!\n");
// Set up a SOCKADDR_IN structure that will be used to connect
// to a listening server on port 5150. For demonstration
// purposes, let's assume our server's IP address is 127.0.0.1 or localhost
// IPv4
ServerAddr.sin_family = AF_INET;
// Port no.
ServerAddr.sin_port = htons(Port);
// The IP address
ServerAddr.sin_addr.s_addr = inet_addr("127.0.0.1");
// Make a connection to the server with socket SendingSocket.
RetCode = connect(SendingSocket, (SOCKADDR *) &ServerAddr, sizeof(ServerAddr));
if(RetCode != 0)
{
printf("Client: connect() failed! Error code: %ld\n", WSAGetLastError());
// Close the socket
closesocket(SendingSocket);
// Do the clean up
WSACleanup();
// Exit with error
return -1;
}
else
{
printf("Client: connect() is OK, got connected...\n");
printf("Client: Ready for sending and/or receiving data...\n");
}
// At this point you can start sending or receiving data on
// the socket SendingSocket.
// Some info on the receiver side...
getsockname(SendingSocket, (SOCKADDR *)&ServerAddr, (int *)sizeof(ServerAddr));
printf("Client: Receiver IP(s) used: %s\n", inet_ntoa(ServerAddr.sin_addr));
printf("Client: Receiver port used: %d\n", htons(ServerAddr.sin_port));
// Sends some data to server/receiver...
BytesSent = send(SendingSocket, sendbuf, strlen(sendbuf), 0);
if(BytesSent == SOCKET_ERROR)
printf("Client: send() error %ld.\n", WSAGetLastError());
else
{
printf("Client: send() is OK - bytes sent: %ld\n", BytesSent);
// Some info on this sender side...
// Allocate the required resources
memset(&ThisSenderInfo, 0, sizeof(ThisSenderInfo));
nlen = sizeof(ThisSenderInfo);
getsockname(SendingSocket, (SOCKADDR *)&ThisSenderInfo, &nlen);
printf("Client: Sender IP(s) used: %s\n", inet_ntoa(ThisSenderInfo.sin_addr));
printf("Client: Sender port used: %d\n", htons(ThisSenderInfo.sin_port));
printf("Client: Those bytes represent: \"%s\"\n", sendbuf);
}
if( shutdown(SendingSocket, SD_SEND) != 0)
printf("Client: Well, there is something wrong with the shutdown().
The error code: %ld\n", WSAGetLastError());
else
printf("Client: shutdown() looks OK...\n");
// When you are finished sending and receiving data on socket SendingSocket,
// you should close the socket using the closesocket API. We will
// describe socket closure later in the chapter.
if(closesocket(SendingSocket) != 0)
printf("Client: Cannot close \"SendingSocket\" socket. Error code: %ld\n", WSAGetLastError());
else
printf("Client: Closing \"SendingSocket\" socket...\n");
// When your application is finished handling the connection, call WSACleanup.
if(WSACleanup() != 0)
printf("Client: WSACleanup() failed!...\n");
else
printf("Client: WSACleanup() is OK...\n");
return 0;
}
错误日志：
1>------ Build started: Project: ws, Configuration: Debug Win32 ------
1>Compiling...
1>ws.cpp
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(1) : warning C4627: '#include <winsock2.h>': skipped when looking for precompiled header use
1> Add directive to 'stdafx.h' or rebuild precompiled header
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(7) : error C2065: 'WSADATA' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(7) : error C2146: syntax error : missing ';' before identifier 'wsaData'
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(7) : error C2065: 'wsaData' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(9) : error C2065: 'SOCKET' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(9) : error C2146: syntax error : missing ';' before identifier 'SendingSocket'
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(9) : error C2065: 'SendingSocket' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(13) : error C2065: 'SOCKADDR_IN' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(13) : error C2146: syntax error : missing ';' before identifier 'ServerAddr'
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(13) : error C2065: 'ServerAddr' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(13) : error C2065: 'ThisSenderInfo' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(31) : error C2065: 'wsaData' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(31) : error C3861: 'WSAStartup': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(31) : error C3861: 'MAKEWORD': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(33) : error C2065: 'wsaData' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(33) : error C2228: left of '.szSystemStatus' must have class/struct/union
1> type is ''unknown-type''
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(41) : error C2065: 'SendingSocket' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(41) : error C2065: 'AF_INET' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(41) : error C2065: 'SOCK_STREAM' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(41) : error C2065: 'IPPROTO_TCP' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(41) : error C3861: 'socket': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(43) : error C2065: 'SendingSocket' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(43) : error C2065: 'INVALID_SOCKET' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(47) : error C3861: 'WSAGetLastError': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(51) : error C3861: 'WSACleanup': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(75) : error C2065: 'ServerAddr' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(75) : error C2228: left of '.sin_family' must have class/struct/union
1> type is ''unknown-type''
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(75) : error C2065: 'AF_INET' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(79) : error C2065: 'ServerAddr' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(79) : error C2228: left of '.sin_port' must have class/struct/union
1> type is ''unknown-type''
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(79) : error C3861: 'htons': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(83) : error C2065: 'ServerAddr' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(83) : error C2228: left of '.sin_addr' must have class/struct/union
1> type is ''unknown-type''
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(83) : error C2228: left of '.s_addr' must have class/struct/union
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(83) : error C3861: 'inet_addr': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(89) : error C2065: 'SendingSocket' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(89) : error C2065: 'SOCKADDR' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(89) : error C2059: syntax error : ')'
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(89) : error C3861: 'connect': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(95) : error C3861: 'WSAGetLastError': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(99) : error C2065: 'SendingSocket' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(99) : error C3861: 'closesocket': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(103) : error C3861: 'WSACleanup': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(131) : error C2065: 'SendingSocket' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(131) : error C2065: 'SOCKADDR' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(131) : error C2059: syntax error : ')'
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(133) : error C2065: 'ServerAddr' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(133) : error C2228: left of '.sin_addr' must have class/struct/union
1> type is ''unknown-type''
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(131) : error C3861: 'getsockname': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(133) : error C3861: 'inet_ntoa': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(135) : error C2065: 'ServerAddr' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(135) : error C2228: left of '.sin_port' must have class/struct/union
1> type is ''unknown-type''
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(135) : error C3861: 'htons': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(141) : error C2065: 'SendingSocket' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(141) : error C3861: 'send': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(141) : error C3861: 'strlen': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(145) : error C2065: 'SOCKET_ERROR' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(147) : error C3861: 'WSAGetLastError': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(159) : error C2065: 'ThisSenderInfo' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(159) : error C2065: 'ThisSenderInfo' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(159) : error C2070: ''unknown-type'': illegal sizeof operand
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(159) : error C3861: 'memset': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(161) : error C2065: 'ThisSenderInfo' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(161) : error C2070: ''unknown-type'': illegal sizeof operand
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(165) : error C2065: 'SendingSocket' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(165) : error C2065: 'SOCKADDR' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(165) : error C2059: syntax error : ')'
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(167) : error C2065: 'ThisSenderInfo' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(167) : error C2228: left of '.sin_addr' must have class/struct/union
1> type is ''unknown-type''
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(165) : error C3861: 'getsockname': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(167) : error C3861: 'inet_ntoa': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(169) : error C2065: 'ThisSenderInfo' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(169) : error C2228: left of '.sin_port' must have class/struct/union
1> type is ''unknown-type''
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(169) : error C3861: 'htons': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(177) : error C2065: 'SendingSocket' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(177) : error C2065: 'SD_SEND' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(177) : error C3861: 'shutdown': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(179) : error C2001: newline in constant
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(181) : error C2146: syntax error : missing ')' before identifier 'The'
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(181) : error C2017: illegal escape sequence
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(181) : error C2001: newline in constant
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(193) : error C2065: 'SendingSocket' : undeclared identifier
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(193) : error C3861: 'closesocket': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(195) : error C3861: 'WSAGetLastError': identifier not found
1>c:\users\wildfire\documents\visual studio 2008\projects\ws\ws\ws.cpp(205) : error C3861: 'WSACleanup': identifier not found
1>Build log was saved at "file://c:\Users\Wildfire\Documents\Visual Studio 2008\Projects\ws\ws\Debug\BuildLog.htm"
1>ws - 84 error(s), 1 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
