array type has incomplete element type

extern   struct  SoundReport SoundList[32];     ///// 多写了  struct

typedef struct

{

u8 SoundContent[50];//语音播报的内容 注:以null为结束标志

const char Priority; //语音播报优先级  注:10为最高,0为最低

char Len;
//声音数据长度

char Flag;
//标识位

// char *Str;
//声音标识

} SoundReport;

既然 已经  typedef  , 那么   SoundRepor 就 类似于 int , 不需要 在前面添加  struct  。

//// 摘录笔记

在C中定义一个结构体类型要用typedef:

    typedef
struct Student

    {

    int a;

    }Stu;

    于是在声明变量的时候就可:Stu stu1;(如果没有typedef就必须用struct
Student stu1;来声明)

    这里的Stu实际上就是struct Student的别名。Stu==struct
Student

    

另外这里也可以不写Student(于是也不能struct Student stu1;了,必须是Stu stu1;)

    typedef
struct

    {

    int a;

    }Stu;

    但在c++里很简单,直接

    struct
Student

    {

    int a;

    };    

    于是就定义了结构体类型Student,声明变量时直接Student stu2;

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