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

typedef struct ELEMENT
{
    char ch;
}ELEMENT;

typedef struct NODE
{
    ELEMENT data;
    struct NODE *next;
}NODE;

void free_space(NODE *p);

int main()
{
    ELEMENT string;
    NODE *stack = NULL,*p = NULL;

    while(1)
    {
        string.ch = getchar();
        if(!string.ch)
            break;
        p = (NODE *)malloc(sizeof(struct NODE));
        if(p == NULL)
        {
            printf("The space can not be assigned!\n");
            return 0;
        }
        p->data = string;
        p->next = stack;
        stack = p;
    }

    while(p)
    {
        putchar(p->data.ch);
        p = p->next;
    }

    putchar(10);

    free_space(p);

    return 0;
}
void free_space(NODE *p)
{
    NODE *q;
    while(q)
    {
        q = p->next;
        free(p);
        p = q;
    }
    free(q);
}

拜托啦，各位高手们····

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

typedef struct NODE
{
    char data;
    struct NODE *next;
}NODE;

void free_space(NODE *p)//直接递归释放就可以了
{
    if(p->next)
        free_space(p->next);
    free(p);
} 

int main()
{
    char string;
    NODE *head = NULL,*p = NULL;//链表都要有头结点 和头指针
    head = (NODE *)malloc(sizeof(struct NODE));
    head->next = NULL;
    while(EOF != scanf("%c",&string))
    {
        getchar();
        p = (NODE *)malloc(sizeof(struct NODE));//倒叙插入法  栈特性
        p->data = string;
        p->next = NULL;
        p->next = head->next;
        head->next = p;
    }

    while(p)
    {
        putchar(p->data);
        p = p->next;
    }

    putchar(10);

    free_space(p);

    return 0;
}

为什么在VC++上运行还是不能倒叙输出呢，而且好像输出结束不了啊，不知道怎么办？？
谢谢你帮我的哪个释放内存函数
在帮帮忙啊·

需要按两次Ctrl+z因为是 字符输入  具体为什么我也不太清楚

反正整数的一次EOF就可以

哈哈··谢谢你拉，对我有帮助