The OP has since changed the article but IIRC `buffer` was an array of `int`s, in which case the `sizeof` operator would return 512. Generally you'd want `(i >=

The OP has since changed the article but IIRC `buffer` was an array of `int`s, in which case the `sizeof` operator would return 512. Generally you'd want `(i >= sizeof(buffer)/sizeof(buffer[0]))`.