#ifndef ENUM_H
#define ENUM_H

using namespace std;
#include <iostream>

enum retval { FAIL, OK };
enum boolean { FALSE, TRUE };

#endif

#ifndef COMMANDS_QUEUE_H
#define COMMANDS_QUEUE_H

// dichiarazioni per la gestione della coda di comandi

struct command {
  char c;
  int i;
};

struct node {
  command * cmd;
  node * next;
};

struct queue 
{
  node * tail;
  node * head;
};

void init (queue &);
retval enqueue(command *,queue &);
retval dequeue(command * &,queue &);
void print (queue);

#endif