#ifndef _BHLIST_H
#define _BHLIST_H

#include<stdio.h>
#include<stdbool.h>
#include<stdlib.h>

typedef struct bnode {
    int data;
    struct bnode * prior;
    struct bnode * next;
} BNode;

typedef BNode * Blist;

void InitList (Blist * L);
bool AddElem (Blist * L, int e);
bool InsertElem (Blist * L, int e, int i);
bool DeleteElem (Blist * L, int e, int i);
void DestroyList (Blist * L);
void TraverseList (Blist * L);

#endif