源.c
f:\001上课资料\上课视频\lot1902\c++\02-代码\consoleapplication1\c语言\源.c(16): warning C4098: “fun”:“void”函数返回值
  c语言.vcxproj -> F:\001上课资料\上课视频\lot1902\c++\02-代码\ConsoleApplication1\Debug\c语言.exe
  c语言.vcxproj -> F:\001上课资料\上课视频\lot1902\c++\02-代码\ConsoleApplication1\Debug\c语言.pdb (Full PDB)