Are arrays pointers?

New C/C++ programmers often have this confusion that all arrays are pointers. Well… they’re kinda, sorta, but not really. Let’s consider the following code:

Try compiling the code snippets using Coding Ground.

The pointer p points to the first character of arr. Remember that the index operator ([]) is automatically converted to addition then dereference.

Note: 2[p] would be evaluated to *(2 + p) giving us the same result as p[2]. It’s bad practice to use that form even if it works.

And dereferencing arr is similar to getting the first element

So when do arrays and pointers differ?

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