main.cpp

#include <iostream>

struct Node
{
   int data;
   struct Node *next;
};

void Print(Node *head)
{
  std::cout << head->data << std::endl;
  while (head->next != NULL) {
    head = head->next;
    std::cout << head->data << std::endl;
  }
}

// g++ main.cpp && ./a.out
int main()
{
    std::cout << "Hello world!" << std::endl;
    Node a;
    a.data = 1;
    Node b;
    b.data = 2;
    b.next = NULL;
    a.next = &b;
    Print(&a);
    Print(&b);
}