Cannot open include file: 'stdafx.h'?

xbgcc 2011-12-31 01:29:07

#include "stdafx.h"
#include <WinSock.h>
#include <time.h>
#include <windows.h>

#pragma comment (lib,"Ws2_32")

struct NTP_Packet
{
int Control_Word;
int root_delay;
int root_dispersion;
int reference_identifier;
__int64 reference_timestamp;
__int64 originate_timestamp;
__int64 receive_timestamp;
int transmit_timestamp_seconds;
int transmit_timestamp_fractions;
};

/************************************************************************/
/* 函数说明:自动与时间服务器同步更新
/* 参数说明:无
/* 返回值:成功返回TRUE，失败返回FALSE
/************************************************************************/
BOOL UpdateSysTime()
{
WORD wVersionRequested;
WSADATA wsaData;

// 初始化版本
wVersionRequested = MAKEWORD( 1, 1 );
if (0!=WSAStartup(wVersionRequested, &wsaData))
{
WSACleanup();
return FALSE;
}
if (LOBYTE(wsaData.wVersion)!=1 || HIBYTE(wsaData.wVersion)!=1)
{
WSACleanup( );
return FALSE;
}

// 这个IP是中国大陆时间同步服务器地址，可自行修改
SOCKET soc=socket(AF_INET,SOCK_DGRAM,IPPROTO_UDP);
struct sockaddr_in addrSrv;
addrSrv.sin_addr.S_un.S_addr=inet_addr("192.43.244.18");
addrSrv.sin_family=AF_INET;
addrSrv.sin_port=htons(123);

NTP_Packet NTP_Send,NTP_Recv;
NTP_Send.Control_Word = htonl(0x0B000000);
NTP_Send.root_delay = 0;
NTP_Send.root_dispersion = 0;
NTP_Send.reference_identifier = 0;
NTP_Send.reference_timestamp = 0;
NTP_Send.originate_timestamp = 0;
NTP_Send.receive_timestamp = 0;
NTP_Send.transmit_timestamp_seconds = 0;
NTP_Send.transmit_timestamp_fractions = 0;

if(SOCKET_ERROR==sendto(soc,(const char*)&NTP_Send,sizeof(NTP_Send),
0,(struct sockaddr*)&addrSrv,sizeof(addrSrv)))
{
closesocket(soc);
return FALSE;
}
int sockaddr_Size =sizeof(addrSrv);
if(SOCKET_ERROR==recvfrom(soc,(char*)&NTP_Recv,sizeof(NTP_Recv),
0,(struct sockaddr*)&addrSrv,&sockaddr_Size))
{
closesocket(soc);
return FALSE;
}
closesocket(soc);
WSACleanup();

SYSTEMTIME newtime;
float Splitseconds;
struct tm *lpLocalTime;
time_t ntp_time;

// 获取时间服务器的时间
ntp_time = ntohl(NTP_Recv.transmit_timestamp_seconds)-2208988800;
lpLocalTime = localtime(&ntp_time);
if(lpLocalTime == NULL)
{
return FALSE;
}

// 获取新的时间
newtime.wYear =lpLocalTime->tm_year+1900;
newtime.wMonth =lpLocalTime->tm_mon+1;
newtime.wDayOfWeek =lpLocalTime->tm_wday;
newtime.wDay =lpLocalTime->tm_mday;
newtime.wHour =lpLocalTime->tm_hour;
newtime.wMinute =lpLocalTime->tm_min;
newtime.wSecond =lpLocalTime->tm_sec;

// 设置时间精度
Splitseconds=(float)ntohl(NTP_Recv.transmit_timestamp_fractions);
Splitseconds=(float)0.000000000200 * Splitseconds;
Splitseconds=(float)1000.0 * Splitseconds;
newtime.wMilliseconds = (unsigned short)Splitseconds;

// 修改本机系统时间
SetLocalTime(&newtime);
return TRUE;
}
此程序用于两台计算机对时与internet时间同步，
编译后出现错误:fatal error C1083: Cannot open include file: 'stdafx.h': No such file or directory
我创建的是windows console application，C/C++源程序，请问问题到底出在哪里呢？求指点

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