When a number of values all pertain to a single thing, we can keep them organized with structures. A structure is a user-defined type. There may be multiple values in a structure and they may be of the same type or different types. A structure, then, is a collection of information representing a complex object.
With structures, not only can we represent complex objects more realistically, but we can also create functions that manipulate the structure in relevant ways. Just like data within a structure is grouped together in a meaningful manner, we can also group functions that manipulate the structure together in meaningful ways.
C is not an object-oriented programming (OOP) language. However, OOP has been a primary focus of programming languages and programming since the early 1990s. It is extremely likely that after you learn C, you will, at the very least, be exposed to object...