编译没错，build提示有link问题，修改了project->setting的subsystem后还错，不知错哪了，请教各位！谢啦！

程序如下：

#include<string>
#include<iostream>
#include<fstream>
using namespace std;

int mian()
{
ifstream in("test_sys.cpp");
ofstream out("test1.cpp");
string s;
while(getline(in,s))
out<<s<<"\n";
return 1;
}
--------------------Configuration: test1 - Win32 Debug--------------------
Linking...
LIBCD.lib(crt0.obj) : error LNK2001: unresolved external symbol _main
Debug/SSymm.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.

我的project->setting 里link的project option里是这样的：
kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /incremental:yes /pdb:"Debug/SSymm.pdb" /debug /machine:I386 /out:"Debug/SSymm.exe" /pdbtype:sept

没谁碰到这个问题吗？！！！！

非常感谢~