foo.cc:8:12: warning: multi-character character constant [-Wmultichar]
     for(c!='/0')
            ^~~~
foo.cc: In function 'int main()':
foo.cc:8:16: error: expected ';' before ')' token
     for(c!='/0')
                ^
foo.cc:8:10: warning: statement has no effect [-Wunused-value]
     for(c!='/0')
         ~^~~~~~
foo.cc:13:5: error: expected primary-expression before 'return'
     return 0;
     ^~~~~~
foo.cc:13:5: error: expected ')' before 'return'

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