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A self-referential structure contains a pointer member that points to a structure of the same structure type. Self-referential structure is used to create data type like linked list, trees etc.
struct student
{
char name[20];
struct node *link;
}Example: Displaying student name using self referential structure
#include<stdio.h>
#include<string.h>
struct student{
int rollno;
char name[20];
struct student *next;
};
int main()
{
struct student s1;
struct student s2 = {101, "UVW", NULL};
s1.rollno = 202;
strcpy(s1.name, "ABC");
s1.next = &s2; // s2 node is linked to s1 node
printf("%s\n",s1.name); // prints ABC
printf("%s",s1.next->name); // prints UVW
return 0;
}Output
enter sno, sname, marks:101
abc
90
details of the student areNumber = 101
name = abc
marks =90.000000Views: 0