#include <stdio.h>
#include <malloc.h>
#include <stdlib.h>
typedef struct Node
{
int data;
struct Node *pNext;
}NODE,*PNODE;
PNODE creat_link();
void show_link(PNODE pHead);
int ListLength( PNODE L );
int main()
{
PNODE pHead=NULL;
pHead=creat_link();
int len = ListLength(pHead);
printf("%d\n",len);
return 0;
}
PNODE creat_link()
{
int len;
int i;
int val;
printf("请输入要创建链表节点的个数：\n");
scanf("%d",&len);
PNODE pHead=(PNODE)malloc(sizeof(NODE));
if(NULL==pHead)
{
printf("动态内存分配失败！\n");
exit(-1);
}
PNODE pTail=pHead;
pTail->pNext=NULL;
for(i=0;i<len;i++)
{
printf("请输入要创建第%d个节点的值\n",i+1);
scanf("%d",&val);
PNODE pNew=(PNODE)malloc(sizeof(NODE));
pNew->data=val;
pTail->pNext=pNew;
pNew->pNext=NULL;
pTail=pNew;
}
return pHead;
}
int ListLength( PNODE L ){
int j=0;
PNODE p;
p=L->pNext;
while(p!=NULL)
{
p=p->pNext;
j++;
}
return j;
}