The C language contains the typedef keyword to allow users to provide alternative names for the primitive (e.g.,​ int) and user-defined​ (e.g struct) data types. Remember, this keyword adds a new name for some existing data type but does not create a new type.

What is a typedef struct in C++?

typedef in C++ C++ Video Lectures. typedef keyword is used to assign a new name to any existing data-type. For example, if we want to declare some variables of type unsigned int, we have to write unsigned int in a program and it can be quite hectic for some of us.

Is typedef a function?

A typedef, or a function-type alias, helps to define pointers to executable code within memory. Simply put, a typedef can be used as a pointer that references a function.