#include "stdlib.h"

#ifndef NODES
#define NODES

struct node {
  struct node* node;
  void* data;
};

// Appends Node to list
void append_node(struct node*, struct node*);

// Creates node with value and appends
// Returns node that was created
struct node* appendv_node(struct node*, void*);

// Counts the number of nodes in a list
int count_nodes(struct node*);

// Iterates over every node in a list and runs the given function
void iterate_nodes(struct node*, void *func(void*, void*), void*);

#endif