/*本例从键盘上输入两个学生数据，写入一个文件中，再读出这两个学生的数据显示在屏幕上。*/
#include<stdio.h>
typedef struct{
char name[31];
int no;
int age;
char addr[31];
}Student;
Student studentlist1[2],studentlist2[2];
void main()
{
FILE *fp;
int i;
fp=fopen("d:\student.txt","wb+");
printf("ninput data:n");
for(i=0;i<2;i++)
{
scanf("%s%d%d%s",&studentlist1[i].name,&studentlist1[i].no,&studentlist1[i].age,&studentlist1[i].addr);
}
fwrite(studentlist1,sizeof(Student),2,fp);
rewind(fp);
fread(studentlist2,sizeof(Student),2,fp);
printf("nnname number age addressn");
for(i=0;i<2;i++)
{
printf("%-30s %-60d %-3d %-30s",studentlist2[i].name,studentlist2[i].no,studentlist2[i].age,studentlist2[i].addr);
}
fclose(fp);
}