按照上面输的，结果成了这样...

--------------------Configuration: modi1 - Win32 Debug--------------------

Linking...

program10.obj : error LNK2005: _main already defined in modi1.obj

Debug/modi1.exe : fatal error LNK1169: one or more multiply defined symbols found

执行 link.exe 时出错.

modi1.exe - 1 error(s), 0 warning(s)