#include
#include
struct student
{
int num;
char name[20];
int age;
struct student *next;
};
int main()
{
struct student a,b,c,*head,*p;
int e;
a.num=10101;strcpy(a.name,"song");a.age=21;
b.num=10103;strcpy(b.name,"son");b.age=19;
c.num=10107;strcpy(c.name,"so");c.age=20;
head=&a;
a.next=&b;
b.next=&c;
c.next=NULL;
p=head;
printf("请输入年龄\n");
scanf("%d",&e);
while(p!=NULL)
{
if(e==p->age)
{printf("%d %s %d",p->num,p->name,p->age);
break;
}
else
p=p->next;
}
return 0;
}