#include <stdio.h>
struct Student{
	int num;
	float score;
	struct Student *next;
};
int main()
{
	struct Student a, b, c, *head, *p;
	a.num = 10101;
	a.score = 89.5;
	b.num = 10103;
	b.score = 90;
	c.num = 10107;
	c.score = 85;
	head = &a;
	a.next = &b;
	b.next = &c;
	c.next = NULL;
	p = head;
	do{
		printf("%ld %5.1f\n", p->num, p->score);
		p=p->next;
	}while(p!=NULL);
}

【运行结果】