#include"stdio.h"

#include"stdlib.h"

typedef int elementype;

typedef struct link{

int data;

struct link *next;

}link,*linklist;

int main()

{

linklist l,p,q,s;

int a,j=0;

l=(linklist )malloc(sizeof(linklist));

l->next=l;

p=l;

while(1)

{

printf("請輸入連結串列資料:");

scanf("%d",&a);

if(a==0) break;

s=(linklist )malloc(sizeof(linklist));

s->data=a;

s->next=p->next;

p->next=s;

}

p=l;

while(p->next!=l)

{

p=p->next;

j++;

}

printf("連結串列長度為:%d\n",j);

return 1;

}