#include<stdio.h>
#include<malloc.h>
#include<string.h>
struct List_T
{
    int Mun;
    struct List_T * pNext;
};
int main()
{
    struct List_T * head = NULL;
    struct List_T * pOne;
    struct List_T * pTwo;
    struct List_T * pTem;
    head = (struct List_T *)malloc(sizeof(struct List_T));
    if (head == NULL)
    {
        perror("malloc error!");
        return 1;
    }
    memset(head, 0, sizeof(struct List_T));
    pOne = (struct List_T *)malloc(sizeof(struct List_T));
    if (pOne == NULL)
    {
        perror("malloc error!");
        return 1;
    }
    memset(pOne, 0, sizeof(struct List_T));
    pOne->Mun = 1;
    head->pNext = pOne;
    pTwo = (struct List_T *)malloc(sizeof(struct List_T));
    if (pTwo == NULL)
    {
        perror("malloc error!");
        return 1;
    }
    memset(pTwo, 0, sizeof(struct List_T));
    pTwo->Mun = 2;
    pOne->pNext = pTwo;
   
    pTem = head->pNext;
    while(pTem != NULL)
    {
        printf("%d\n",pTem->Mun);
        pTem = head->pNext;
    }
    return 0;

}  为什么我一运行就死循环了  一直111111111111111   麻烦帮我看下问题出在哪，谢谢！