# include <stdio.h>
# include <stdlib.h>
struct node
{
int data;
struct node *link;
};
struct node *insert(struct node *p, int n){
struct node *temp;
if(p==NULL){
p=(struct node *)malloc(sizeof(struct node));
if(p==NULL) {
printf("Error\n");
exit(0);
}
p-> data = n;
p-> link = p;
} else {
temp = p;
while (temp-> link != p)
temp = temp-> link;
temp-> link = (struct node *)malloc(sizeof(struct node));
if(temp -> link == NULL){
printf("Error\n");
exit(0);
}
temp = temp-> link;
temp-> data = n;
temp-> link = p;
}
return (p);
}
void printlist ( struct node *p )
{
struct node *temp;
temp = p;
printf("The data values in the list are\n");
if(p!= NULL)
{
do
{
printf("%d\t",temp->data);
temp=temp->link;
} while (temp!= p);
}
else
printf("The list is empty\n");
}
void main()
{
int n;
int x;
struct node *start = NULL ;
start = insert ( start, 1 );
start = insert ( start, 2);
start = insert ( start, 3 );
start = insert ( start, 4 );
printf("The created list is\n");
printlist ( start );
}
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