how to find the Node in linked list without using Null?

Question

How to find the median of simple linked list and add a node after it? C program would be helpful?

Answer 1

node *find_node (node *head, int data)
{
    for (; head; head=head->next)
        if(data == head->data)
            break;

    return head;
}

Answer 2

try something like this (no null)

while (node)
{
// if it is desired node 
//    break ;
// else
//    node=node->next;
}