/in/foo.c: In function 'main':
/in/foo.c:15:13: warning: 'main' is normally a non-static function [-Wmain]
   15 |         int main(){
      |             ^~~~
/in/foo.c:24:9: error: expected declaration or statement at end of input
   24 |         }
      |         ^
/in/foo.c: At top level:
/in/foo.c:15:13: warning: 'main' defined but not used [-Wunused-function]
   15 |         int main(){
      |             ^~~~