#include<stdio.h>#include<stdlib.h>#define P 10//学生人数#define LEN sizeof(struct Student) //结构体长度，方便后面为其分配空间struct Student *Create(); //创建链表void Print(struct Student *head); //输出链表void Fang(struct Student **head); //释放链表struct Student{char xh[12];char name[10];int age;struct Student *next;};int main(){struct Student *head;head=Create();Print(head);Fang(&head);return 0;}struct Student *Create(){struct Student *head=NULL,*p,*p1;;int i=0;while(i<P){p=(struct Student *)malloc(LEN);printf("请输入第%d位同学的学号，姓名，年龄，以空格间隔:\n",i+1);scanf("%s%s%d",p->xh ,p->name ,&p->age );p->next =NULL;i++;if(head==NULL){head=p;p1=p;}else{p1->next=p;p1=p;}}return head;}void Print(struct Student *head){struct Student *p;p=head;while(p!=NULL){printf("%s,%s,%d\n",p->xh ,p->name ,p->age );p=p->next ;}}void Fang(struct Student **head){struct Student *p;while(*head!=NULL){p=*head;*head=(*head)->next ;free(p);}*head=NULL;}
（四川大学出版社C语言程序设计第二版课后习题）十个学生信息 学号 姓名 年龄 读出形成链表
