#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

// LINKED LIST
// - Introducing -> operator
//
// a -> f  is equivalent to  (*a).f
// 
// a must be the address of a struct object (ex: Node* a).

// Define a struct type called 'struct _Node' and with an alias 'Node'.
typedef struct _Node {
    int value;
    struct _Node* next;
} Node;

int main(int argc, char* argv[]) {
    // Linked list (aka "list") of size==0
    Node* head = NULL;

    Node* new_node = malloc(sizeof(*new_node)); // create one at a time
    // (*new_node).value = 1;
    new_node -> value = 1;

    // (*new_node).next  = NULL;  // new_node will be the tail (as well as the head)
    new_node -> next = NULL;

    head = new_node;

    // printf("value at first node:  %d\n", (*new_node).value);
    printf("value at first node:  %d\n", new_node -> value);
    
    return EXIT_SUCCESS;
}
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