Structures in C

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

// Struct definition — type बनवणे
struct Student {
    char name[50];
    int age;
    float marks;
    char grade;
};

int main() {
    // Struct variable declare करणे
    struct Student s1;

    // Members assign करणे
    strcpy(s1.name, "Rahul Patil");
    s1.age = 20;
    s1.marks = 87.5;
    s1.grade = 'A';

    // Members access करणे — dot (.) operator
    printf("Name:  %s\n", s1.name);
    printf("Age:   %d\n", s1.age);
    printf("Marks: %.1f\n", s1.marks);
    printf("Grade: %c\n", s1.grade);

    return 0;
}

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

struct Student {
    char name[50];
    int marks;
};

int main() {
    // Initialization at declaration
    struct Student s1 = {"Priya", 92};
    struct Student s2 = {"Rahul", 78};

    // Array of structs — multiple students
    struct Student class[3] = {
        {"Amit", 85},
        {"Sneha", 91},
        {"Ravi", 73}
    };

    // Loop करून print
    for (int i = 0; i < 3; i++) {
        printf("%s: %d\n", class[i].name, class[i].marks);
    }

    return 0;
}

#include <stdio.h>

// typedef वापरून "struct Point" ऐवजी फक्त "Point"
typedef struct {
    float x;
    float y;
} Point;

typedef struct {
    char name[50];
    int age;
    float marks;
} Student;

int main() {
    // आता "struct Student" ऐवजी "Student" लिहायला चालते
    Student s = {"Rahul", 20, 88.5};
    Point p = {3.0, 4.0};

    printf("%s, age %d, marks %.1f\n", s.name, s.age, s.marks);
    printf("Point: (%.1f, %.1f)\n", p.x, p.y);

    return 0;
}