Pointer to Structure

struct structname {
data type member1;
data type member2;
}variable1, *ptrvariable1;     //Pointer to structure declaration

(*ptrvariable).member1;

*ptrvariable −> member1;

#include <stdio.h>
int main()
{
//Structure Declaration
struct student{
char name[40];
struct avg{
int sub1, sub2, sub3;
float average;
}avg;
}stud1, *studptr = &stud1;  //Pointer variable stores the address of structure variable
int total;
printf("Enter the Name of the student : ");
scanf("%s", (*studptr).name);
printf("\n------Enter the marks of the student------ ");
printf("\nEnter sub1 marks : ");
scanf("%d",&studptr->avg.sub1);
printf("\nEnter sub2 marks : ");
scanf("%d",&studptr->avg.sub2);
printf("\nEnter sub3 marks : ");
scanf("%d",&studptr->avg.sub3);
total = (studptr->avg.sub1 + studptr->avg.sub2 + studptr->avg.sub3);
studptr->avg.average = total / 3;
printf("\n-------Student Details-------\n ");
printf("Name: %s", studptr->name);
printf("\nsub1: %d ", studptr->avg.sub1);
printf("\nsub2: %d ", studptr->avg.sub2);
printf("\nsub3: %d ", studptr->avg.sub3);
printf("\nAverage: %f ", studptr->avg.average);
return 0;
}