求帮忙谢谢

[Error] case label not within a switch statement
[Error] break statement not within loop or switch
#include <stdio.h>
 int main()
 {
  char number;
  printf(“查询菜单\n”);
  scanf("%d",&number);
  switch(number) {
 case 1:printf(“按书名查找\n”);
  break;     
  case 2:printf(“按作者查找\n”);
   break;  
  case 3:printf(“按出版编号查找\n”); 
   break;     
  case 4:printf(“按出版社查找\n”);
   break;
  default: printf(“返回 !”);
    }
  return 0;
  }