Programming C without variables is like, well, programming C without variables. They are so essential to the language that it doesn’t even require an analogy here. We can declare and use them… ...

What is abstract data type in C? Abstract data types (often written ADT for short) are data types whose implementation details are hidden from user view for the data structure, but ADTs can be ...

The fundamental data structure in a data processing system. Any unit of data defined for processing is a data element; for example, ACCOUNT NUMBER, NAME, ADDRESS and CITY. A data element is ...