#include<stdio.h>
#define SIZE 10
struct Student_type
{ char name[10];
int num;
int age;
char addr[15];
}stud[SIZE];
void save()
{ FILE*fp;
int i;
if((fp=fopen("stu.dat","wb"))==NULL)
{ printf("cannot open file\n");
return;
}
for(i=0;i<SIZE;i++)
if(fwrite(&stud[i],sizeof(struct Student_type),1,fp)!=1)
printf("file write error\n");
fclose(fp);
}
int main()
{ int i;
printf("Please enter data of students:\n");
for(i=0;i<SIZE;i++)
scanf("%s%d%d%s",stud[i].name,&stud[i].num,&stud[i].age,stud[i].addr);
save();
return 0;
}
