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#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("can't open the 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);
}

void main()
{
  int i;
  printf("please enter data of student:");
  for(i;i <SIZE;i++)
  scanf("%s%d%d%s",stud[i].name,&stud[i].num,&stud[i].age,stud[i].addr);
  save();
}

ÔËÐл·¾³ÊÇvc++6.0 ÎļþÃûÊÇ10_4.cpp

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C/C++ code:

#include <stdio.h>
#define SIZE 10