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/*°´ÊéÃû²éÕÒ·½·¨*/
int findBN()
{
  FILE *fp;
  char bookname[10];

  int i;

  fp=fopen("book.txt","r");
   
  printf("ÇëÊäÈëÄãÒª²éÕÒµÄÊéÃû\n");
  scanf("%s",bookname);

  for(i=0;fread(&book,sizeof(struct book),1,fp)!=0;i++)
  {


    if(strcmp(bookname,book[i].bookname)==0)
    {
      printf("Õâ±¾ÊéµÄÏêϸ×ÊÁÏÊÇ£º%d %d %s %s %f %d %d %d \n °´ÈÎÒâ¼ü·µ»Ø\n",
      book[i].ISBN,book[i].bookid,book[i].bookname,book[i].bookauthor,book[i].price,book[i].publicdata.year,book[i].publicdata.month,book[i].publicdata.day);

    }
    fclose(fp);
    return FALSE;
  }

  printf("ûÓÐÄãÒª²éÕÒµÄÊé¼®\n");
  fclose(fp);
  return FALSE;
}

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struct data
{
  int year;
  int month;
  int day;
};

struc


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  char x, y, z;
  int i;
  int a[16];
  for(i=0; i<=16; i++)
  {
  a[i] = 0;
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