foo.c:6:2: error: stray '#' in program
    6 | }#include <stdio.h>
      |  ^
foo.c:6:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    6 | }#include <stdio.h>
      |           ^
foo.c:12:5: error: redefinition of 'main'
   12 | int main()
      |     ^~~~
foo.c:3:5: note: previous definition of 'main' with type 'int()'
    3 | int main()
      |     ^~~~

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