程序代码：

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

struct test
{
    int num;
    struct test *next;
};

int main(int argc,char *argv[])
{
    struct test* init();
    void relp(struct test *head);
    struct test *head;

    head=init();
    relp(head);
    return 0;
}

struct test* init()
{
    struct test *head,*p,*t;

    printf("依次输入各值\n");
    head=(int *)malloc(sizeof(int));
    scanf("%d",&head->num);
    p=t=head;
    p->next=NULL;

    while(p->num!=0)
    {
        t=(int *)malloc(sizeof(int));
        scanf("%d",&t->num);
        p->next=t;
        p=t;
    }
    p->next=NULL;
    return head;
}

void relp(struct test *head)
{
    struct test *p;
    p=head;
    while(p->next!=NULL)
    {
        free(p);
        p=head->next;
        head=head->next;
    }
    printf("释放完毕\n");
    return 0;
}
        

程序代码：

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

 
struct test

 {
     int num;
     struct test *next;

 };

 
int main(int argc,char *argv[])

 {
     struct test* init();
     void relp(struct test *head);
     struct test *head;

 
    head=init();
     relp(head);
     return 0;

 }

 
struct test* init()

 {
     struct test *head,*p,*t;

 
    printf("依次输入各值\n");
     head = (struct test *)malloc(sizeof(struct test)); //head=(int *)malloc(sizeof(int));
     scanf("%d",&head->num);
     p=t=head;
     p->next=NULL;

 
    while(p->num!=0)
     {
         t=(struct test *)malloc(sizeof(struct test));//t=(int *)malloc(sizeof(int));
         scanf("%d",&t->num);
         p->next=t;
         p=t;
     }
     p->next=NULL;
     return head;

 }

 
void relp(struct test *head)

 {
     struct test *p;
     p=head;
     /*while(p->next!=NULL)
     {
         free(p);
         p=head->next;
         head=head->next;
     }*/
     while(p != NULL)
     {
         head = p;
         p = p->next;
         free(head);
     }
     printf("释放完毕\n");
     //return 0;
 }