 the indentation and not enough to what your code is actually saying. But even though the C compiler doesn't care about your indentation, other things do. In particular, the C preprocessor requires that some of it's directives be written in certain places. If your #define macro appears anywhere other than the start of a new line, there will be an error.
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<li><b>Objects are not All the Same</b><br>
Since you probably will only learn C to the extent that you will start using it to learn other object