Different types of structure declaration in data structure

We can declare a structure using “struct ” keyword. A structure must be declared first before using it just like all other data type. Structure can be declared by two ways.

You begin a structure declaration with the Structure Statement, and you end it with the End Structure statement . Between these two statements you must declare at least one element. The elements can be of any data type, but at least one must be either a nonshared variable or a nonshared, noncustom event.

Structure is a group of variables of different data types represented by a single name . Lets take an example to understand the need of a structure in C programming. Lets say we need to store the data of students like student name, age, address, id etc.

Syntax

A normal C variable can hold only one data of one data type at a time. An array can hold group of data of same data type. A structure can hold group of data of different data types and Data types can be int, char, float, double and long double etc.

There are two ways to declare structure variable: By struct keyword within main() function.