foo.cc:30:5: error: redefinition of 'int main()'
   30 | int main()
      |     ^~~~
foo.cc:3:5: note: 'int main()' previously defined here
    3 | int main()
      |     ^~~~
foo.cc:57:5: error: redefinition of 'int main()'
   57 | int main()
      |     ^~~~
foo.cc:3:5: note: 'int main()' previously defined here
    3 | int main()
      |     ^~~~
foo.cc:84:5: error: redefinition of 'int main()'
   84 | int main()
      |     ^~~~
foo.cc:3:5: note: 'int main()' previously defined here
    3 | int main()
      |     ^~~~
foo.cc:111:5: error: redefinition of 'int main()'
  111 | int main()
      |     ^~~~
foo.cc:3:5: note: 'int main()' previously defined here
    3 | int main()
      |     ^~~~
foo.cc:138:5: error: redefinition of 'int main()'
  138 | int main()
      |     ^~~~
foo.cc:3:5: note: 'int main()' previously defined here
    3 | int main()
      |     ^~~~
foo.cc:165:5: error: redefinition of 'int main()'
  165 | int main()
      |     ^~~~
foo.cc:3:5: note: 'int main()' previously defined here
    3 | int main()
      |     ^~~~
foo.cc:192:5: error: redefinition of 'int main()'
  192 | int main()
      |     ^~~~
foo.cc:3:5: note: 'int main()' previously defined here
    3 | int main()
      |     ^~~~
foo.cc:219:5: error: redefinition of 'int main()'
  219 | int main()
      |     ^~~~
foo.cc:3:5: note: 'int main()' previously defined here
    3 | int main()
      |     ^~~~
foo.cc:246:5: error: redefinition of 'int main()'
  246 | int main()
      |     ^~~~
foo.cc:3:5: note: 'int main()' previously defined here
    3 | int main()
      |     ^~~~

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