Delete without head pointer

// This function should delete node from linked list. The function
// may assume that node exists in linked list and is not last node
// node: reference to the node which is to be deleted
void deleteNode(Node *node)
{
   Node *temp=node->next;
   int da;
   da=node->data;
   node->data=node->next->data;
   node->next->data=da;
   
   node->next=temp->next;
   free(temp);
}