求助：vc++6.0编译成功，但是出现LINKING 错误该如何解决？多谢各位。
--------------------Configuration: winmain - Win32 Debug--------------------
Linking...
LIBCD.lib(crt0.obj) : error LNK2001: unresolved external symbol _main
Debug/winmain.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.
winmain.exe - 2 error(s), 0 warning(s)
