How to create a copy of a linked list? Write a C program to create a copy of a linked list.

Check out this C program which creates an exact copy of a linked list.

copy_linked_lists(struct node *q, struct node **s) 
{
      if(q!=NULL)
     {
         *s=malloc(sizeof(struct node));
        (*s)->data=q->data;
        (*s)->link=NULL;
        copy_linked_list(q->link, &((*s)->link));
       }
}