What is the purpose of the first “node” in the declaration: “typedef struct node { - - - } Node;”?

Question

I am studying code examples from my professor in order to become better acquainted with linked data structures.

In our linked-list.c example the professor defines a

Answer 1

Take a look at this declaration:

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

typedef struct node Node;

This can be combined into a single statement (simplifying a declaration):

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