Program to assign a structure variable to another structure variable

#include<stdio.h>
struct student
{
char name[20];
int rollno;
float marks;
};
main( )
{
struct student stu1 = {"Oliver", 12, 98},stu2;
stu2 = stu1;
printf("stu1 : %s   %d   %.2f\n", stu1.name, stu1.rollno, stu1.marks);
printf("stu2 : %s   %d   %.2f\n", stu2.name, stu2.rollno, stu2.marks);
}