Structure

0 structure initialize.c

#include<stdio.h>
struct student{
    int age;
    int roll;
    float marks;
};
struct student stu={18,20,100};
int main(){

printf(" printing data from Structure %d\n",stu.age);
printf(" printing data from Structure %d\n",stu.roll);
printf(" printing data from Structure %f\n",stu.marks);

return 0;
}

1 structure.c

#include<stdio.h>
#include<conio.h>
struct collect {

    char *student_name;
    int student_id;
    int student_age;

}student_data;
int main() {

char string[20];
char *name=string;
    printf("Please enter your name...");
    scanf("%s",name);
    printf("Please enter your id...");
    scanf("%d",&student_data.student_id);
    printf("Please enter your age...");
    scanf("%d",&student_data.student_age);
    student_data.student_name=name;
    printf("Student name is %s\n",student_data.student_name);
    printf("Student id is %d\n",student_data.student_id);
    printf("Student age is %d",student_data.student_age);






    return 0;

}

2StructStudentData.c

#include <stdio.h>
struct student
{
    char name[50];
    int roll;
    float marks;
} s[10];
int main()
{
    int i;
    printf("Enter information of students:\n");
    // storing information
    for(i=0; i<5; ++i)
    {
        s[i].roll = i+1;
        printf("\nFor roll number%d,\n",s[i].roll);
        printf("Enter name: ");
        scanf("%s",s[i].name);
        printf("Enter marks: ");
        scanf("%f",&s[i].marks);
        printf("\n");
    }
    printf("Displaying Information:\n\n");
    // displaying information
    for(i=0; i<5; ++i)
    {
        printf("\nRoll number: %d\n",i+1);
        printf("Name: ");
        puts(s[i].name);
        printf("Marks: %.1f",s[i].marks);
        printf("\n");
    }
    return 0;
}