structure.c

#include<stdio.h>
#include<string.h>

struct Class{
    int number;
    char name[20];
    float marks;
};

int main(){
    int x;
    struct Class student1 = {111,"Rao",72.50};
    struct Class student2 = {222,"Reddy",67.00};
    struct Class student3;
    //struct Class student3 = {269,"Rawat",67.00};

    student3 = student2;

    x = ((student3.number == student2.number) && (student3.marks == student2.marks)) ? 1 : 0;

    if(x == 1){
        printf("\nStudent2 and Student3 are same\n\n");

        printf("%d %s %.1f",student3.number, student3.name,student3.marks);
    }
    else{
        printf("\nStudent2 and Student3 are different");
    }
}

#include <stdio.h>
#include<string.h>

struct Class{
    char name[30];
    char address[50];
};

struct Class student[100];

struct Marks{
    int subject1;
    int subject2;
    int subject3;
};

int main(){
    strcpy(student[0].name,"Abhirup Saha");
    printf("%s\n",student[0].name);
    
    struct Marks student[3] = {{45,65,76},{76,45,23},{78,89,76}};
    printf("%d\n",student[1].subject2);
}