Structure

A structure is a composite data type that defines a grouped list of variables that are to be placed under one name in a block of memory. It allows different variables to be accessed by using a single pointer to the structure.

Syntax

struct structure_name 
{
    data_type member1;
    data_type member2;
    .
    .
    data_type memeber;
};

Advantages

It can hold variables of different data types.
We can create objects containing different types of attributes.
It allows us to re-use the data layout across programs.
It is used to implement other data structures like linked lists, stacks, queues, trees, graphs etc.

Program

#include<stdio.h>
#include<conio.h>
void main( )
{
struct employee
{
int id ;
float salary ;
int mobile ;
} ;
struct employee e1,e2,e3 ;
clrscr();
printf ("\nEnter ids, salary & mobile no. of 3 employee\n"
scanf ("%d %f %d", &e1.id, &e1.salary, &e1.mobile);
scanf ("%d%f %d", &e2.id, &e2.salary, &e2.mobile);
scanf ("%d %f %d", &e3.id, &e3.salary, &e3.mobile);
printf ("\n Entered Result ");
printf ("\n%d %f %d", e1.id, e1.salary, e1.mobile);
printf ("\n%d%f %d", e2.id, e2.salary, e2.mobile);
printf ("\n%d %f %d", e3.id, e3.salary, e3.mobile);
getch();
}

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