队列的链式储存

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

typedef struct node{
    int data;
    struct node *pnext;
}node,*pnode;

typedef struct queue{
    pnode front;
    pnode rear;
}queue,*pqueue;

void initQueue(pqueue );
void insertQueue(pqueue ,int);
void deleteQueue(pqueue);
void traverseQueue(pqueue);

int main()
{
    pqueue qu = (pqueue)malloc(10*sizeof(queue));
    initQueue(qu);
    insertQueue(qu,1);
    insertQueue(qu,2);
    traverseQueue(qu);

}


void initQueue(pqueue qu){
    qu->front = qu->rear = (pnode)malloc(sizeof(node));
    if(NULL == qu->front){
        puts("error!");
        exit(-1);
    }
}

void insertQueue(pqueue qu,int idata){
    pnode pnew = (pnode)malloc(sizeof(node));
    if(NULL == pnew){
        puts("error!");
        exit(-1);
    }

    pnew->data = idata;
    pnew->pnext = NULL;
    qu->rear->pnext = pnew;
    qu->rear = pnew;
}

void deleteQueue(pqueue qu){

    qu->front = qu->front->pnext;

}

void traverseQueue(pqueue qu){
    pnode p = qu->front;
    while(qu->rear == p){
        printf("%d  ",p->data);
        p = p->pnext;
    }
}