// PQ.h
#ifndef PQ_H_INCLUDED
#define PQ_H_INCLUDED

// Scelta tra Quasi ADT per le code a priorità o Item adhoc
#include "Item.h"

typedef struct pqueue *PQ;

PQ PQinit(int maxN);
void PQfree(PQ pq);
int PQempty(PQ pq);
void PQinsert(PQ pq, Item val);
Item PQextractMax(PQ pq);
Item PQshowMax(PQ pq);
void PQdisplay(PQ pq);
int PQsize(PQ pq);
void PQchange(PQ pq, Item val);




#endif // PQ_H_INCLUDED

// Item.h
// Quasi ADT Item per le code a priorità
#ifndef ITEM_H_INCLUDED
#define ITEM_H_INCLUDED

#include "Constants.h"

typedef struct {
    char name[MAX_C+1];
    int prio;

} Item;

typedef char* Name;

Item ITEMscan();
void ITEMshow(Item val);
Item ITEMsetNull();
int ITEMcheckNull(Item val);

Name NAMEget(Item* pval);
int NAMEcmp(Name n1, Name n2);
int PRIOget(Item val);




#endif // ITEM_H_INCLUDED