Structures

Structures (also called structs) are a way to group several related variables into one place. Each variable in the structure is known as a member of the structure. Unlike an array, a structure can contain many different data types (int, float, char, etc.).

The following image shows the memory allocation of the structure employee that is defined in the above example.

Here, struct is the keyword; employee is the name of the structure; id, name, and salary are the members or fields of the structure.

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Syntax:

The struct keyword is used to define the structure.

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

Declaring Structure Variable

We can declare a variable for the structure so that we can access the member of the structure easily by struct keyword within main() function.

struct employee  
{   int id;  
    char name[50];  
    float salary;  
};  

Accessing member of the Structure

We access the id member of p1 variable by. (member) operator.

p1.id  

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Code

#include <stdio.h>


/* run this program using the console pauser or add your own getch, system("pause") or input loop */
struct Car_Details
{
	char company[20];
	char model[20];
	int manufacturing_year;
	float onroad_price;
	char category[8];
};
int main() {
	int i;
	struct Car_Details v[4]={"BMW","X7",2019,8500000,"SUV","Audi","Q8",2019,4500000,"Mini","Mercedes Benz","S-Class",2020,9500000,"Sedan","Range Rover","Defender",2022,22500000,"SUV"};
	
	for(i=0;i<4;i++){
	
	
		printf("Company: %s\n",&v[i].company);
		printf("Model: %s\n",&v[i].model);
		printf("Manufacturing Year: %d\n",&v[i].manufacturing_year);
		printf("Onroad Price: %f\n",&v[i].onroad_price);
		printf("Category: %s\n",&v[i].category);
		printf("\n");
	
	}

	
	//strcyp(v.company,"BMW");
	//v.company[20]="BMW";
	//strcyp(v.model,"X7");
	//v.model[20]="X7";
	//printf("Model: %s\n",v.model);
	
	//v.manufacturing_year=2019;
	//printf("Manufacturing Year: %d\n",v.manufacturing_year);
	
	//v.onroad_price=8500000;
	//printf("Onroad Price: %f\n",v.onroad_price);
	
	//strcyp(v.category,"SUV");
	//v.category[8]="SUV";
	//printf("Category: %s\n",v.category);
	
	return 0;
}

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Output