Example-
First Linked list is 5->2->3
Second Linked list is 1->3->4
Addition is 6->5->7
Function:
void add(struct node *first1, struct node *first2)
{
printf("Sum of Both Linklost is");
while(first1!=NULL && first2!=NULL)
{
printf("%d",first1->data+first2->data);
}
}