#ifndef HASH_H
#define HASH_H
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

 typedef struct _hash *Hash;
 typedef struct _element *Element;
 
 struct _element {
	char *key;
	int value;
	Element next;
 };
 
 struct _hash {
	unsigned int size; //Size of vector
	Element *entries; //Pointer to vector
 };

 extern unsigned int hash(char *key, unsigned int size);
 extern void create_hash(Hash *h, unsigned int size );
 extern int put( Hash h, char *key, int value );
 extern int get( Hash h, char *key, int *value );
 extern int change_value( Hash h, char *key, int value );
 extern void print( Hash h );
#endif