结构体数组 查找

#include "stdio.h"
typedef struct student{
int id; /*学生编号*/
char name[10]; /*学生姓名*/
float score; /*成绩*/
}Student;

int search(Student stu[],int n,int key){
int i;
for(i=0; i<n; i++)
if( stu[i].id == key ) /*查找成功*/
return i;
return -1; /*查找失败*/

}
main()
{
Student stu[4] = {{1004,"TOM",100} ,
{1002,"LILY",95},
{1001,"ANN",93},
{1003,"LUCY",98}
}; /*初始化结构体数组*/
int addr; /*要查找的记录的地址*/
addr = search(stu,4,1001);
printf("Student ID: %d\n",stu[addr].id); /*输出查找到的记录的信息*/
printf("Student name: %s\n",stu[addr].name);
printf("Student score: %f\n",stu[addr].score);
getche();
}