a_struct.pmem_i; // the type is, wait for it, int* volatile (the pointer is volatile not the object it is pointing to) The second line is a very important point to keep in mind when declaring structs.

Does it ever make sense to declare a variable in C or C++ as both volatile (in other words, “ever-changing”) and const (“read-only”)? If so, why? And how should you combine volatile and const properly ...

In the world of software development the term ‘optimization’ is generally reason for experienced developers to start feeling decidedly nervous, especially when a feature is marked as an ‘easy and free ...