/in/foo.c:2:6: warning: return type of 'main' is not 'int' [-Wmain]
 void main()
      ^~~~
/in/foo.c: In function 'main':
/in/foo.c:4:8: warning: missing terminating " character
 printf("Hello! Computer Science 5 family!\n”);
        ^
/in/foo.c:4:8: error: missing terminating " character
 printf("Hello! Computer Science 5 family!\n”);
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.c:5:1: error: expected expression before '}' token
 }
 ^
/in/foo.c:5:1: error: expected ';' before '}' token