Accessing structures and their elements via pointers

We access the structure as a whole as we did with intrinsic variables so that *pAnniversary and anniversary refer to the same memory location.

To access one of the anniversary elements via the pointer, we might consider using *pAnniversary.month. However, because the . operator has higher precedence than the * operator, the element reference will fail evaluation and will be inaccessible. We can change the evaluation order with parentheses, as follows:

(*pAnniversary).day     <--  anniversary.day;
(*pAnniversary).month   <--  anniversary.month;
(*pAnniversary).year    <--  anniversary.year;

Because accessing structure elements via pointers is quite common, an alternative syntax to access structure elements via pointers is available. This is done using the --> operator and appears as follows:

pAnniversary->day     <--  (*pAnniversary).day;
pAnniversary->month   <--  (*pAnniversary...