C 语言 有关于文件的？

Question

<pre>void inb(sqlist &l) //添加图书信息到文件（仅管理员可用）{ FILE fp; book *p; int i; if((fp=fopen("C:\Users\Administrator\Desktop\library.txt","ab"))==NULL) {  printf("储存文件失败！");  return; } printf("请输入要添加的图书信息（图书编号为已有书数量'listsize+1'）:图书编号  书名  作者名  库存数量  最近归还剩余天数（初始化为0）"); scanf("%d%s%s%d%d",&p->number,p->bname,p->writer,&p->quantity,&p->time); if(l.listsize+1>l.length) {  printf("储存位置已满！");  return; } l.b[l.listsize]=*p; if(fwrite(&l.b[l.listsize],sizeof(struct book),1,fp)!=1)  printf("数据储存失败！"); l.listsize++; fclose(fp); return;}</pre>编写的是图书管理系统，这只是其中一段代码，就是这里卡住做不下去了，错误提示在下面。error C2679: binary '=' : no operator defined which takes a right-hand operand of type 'struct _iobuf *' (or there is no acceptable conversion)error C2664: 'fwrite' : cannot convert parameter 4 from 'struct _iobuf' to 'struct _iobuf *'No user-defined-conversion operator available that can perform this conversion, or the operator cannot be callederror C2664: 'fclose' : cannot convert parameter 1 from 'struct _iobuf' to 'struct _iobuf *'        No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called

Answer 1

fp应该是文件指针： FILE *fp;

Answer 2

对了。。上面多了<pre></pre>  是我从其他网站复制过来自带的 不用考虑这个