[unwind]

Posting C++ in a thread about C is odd. In C it's:

    #include <stdio.h>

    int main(void)
    {
      printf("%zu\n", sizeof (int *));
      return 0;
    }

[MaxBarraclough]

There's a double-quote character missing.

[unwind]

Thanks. I suck at posting from my phone. Edited.