This is an excellent question. Zero-length arrays, also known as flexible arrays, are used to implement variable-length arrays, primarily in structures. That's a little confusing, so let's look at ...

To put this in context, for one of my classes in College we have to code Hunt The Wumpus, so is it possible to populate a 2D array with Structs (rooms) and assign each a numerical value so i can ...

Alternatively, the struct can be initialized directly while declaring it. C offers two different ways to do so: pretending it was an array or using designated initializers.