/in/foo.cc:1:9: error: ISO C++ forbids declaration of 'WinMain' with no type [-fpermissive]
 WinMain()
         ^
/in/foo.cc: In function 'int WinMain()':
/in/foo.cc:4:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^