为什么一添加注释就报警告？
怎么解决呢？

注释删光可以通过没警告

struct stu
{
    char name[30];
    int rank;
};

int comp_int(const void* e1, const void* e2)
{
    return *(int*)e1 - *(int*)e2;
}

int comp_float(const void*e1, const void*e2)
{
   
    if (*(float*)e1 == *(float*)e2)
        return 0;
    else if (*(float*)e1 > *(float*)e2)
        return 1;
    else
        return -1;
}

int comp_struct_by_rank(const void*e1, const void*e2)
{
    return ((struct stu*)e1)->rank - ((struct stu*)e2)->rank;
}

int comp_struct_by_name(const void*e1, const void*e2)
{
    return strcmp(((struct stu*)e1)->name, ((struct stu*)e2)->name);
}


void exchange(char*e1, char* e2,int width)
{
    char tem;
    for (int i = 0; i < width; i++)
    {
        tem = *e1;
        *e1 = *e2;
        *e2 = tem;
        e1++;
        e2++;
    }
   
}

void bubble(void* arr, int num, int width,int(*comp)(const void*e1,const void*e2))
{
    int i = 0;
    int j = 0;
   
    for(i = 0; i < num - 1; i++)
    {
        
        for (j = 0; j < num - 1 - i; j++)
        {
            if (comp(      (char*)arr + (width * j), (char*)arr + (width * (j + 1))       ) > 0)
            {
               
                exchange((char*)arr + width * j, (char*)arr + width * (j + 1), width);
            }

        }
    }
}





void text1_int()
{
    int arr[10] = { 2,6,4,8,7,9,5,1,3,0 };
    int num = sizeof(arr) / sizeof(arr[0]);
    qsort(arr, num, sizeof(arr[0]), comp_int);
    for (int i = 0; i < 10; i++)
    {
        printf("%d ", arr[i]);
    }
}

void text2_float()
{
    float arr1[10] = { 2.6f,6.3f,4.5f,8.4f,7.9f,9.5f,5.3f,1.4f,3.7f,0.8f };
    int num = sizeof(arr1) / sizeof(arr1[0]);
    qsort(arr1, num,sizeof(arr1[0]), comp_float);
    for (int i = 0; i < 10; i++)
    {
        printf("%f ", arr1[i]);
    }
}

void text3_struct_rank()
{
    struct stu arr3[6] = { {"һ",6} ,{"һһ",4},{"һһһ",3}, {"һһһһ",7},{"һһһһһ",5} ,{"һһһһһһ",8} };
    int num = sizeof(arr3) / sizeof(arr3[0]);
    qsort(arr3, num, sizeof(arr3[0]), comp_struct_by_rank);
    for (int i = 0; i < 6; i++)
    {
        printf("%d ", arr3[i].rank);
    }
}

void text4_struct_name()
{
    struct stu arr3[6] = { {"asd",6} ,{"fgh",4},{"jkl",3}, {"zxc",7},{"vbn",5} ,{"qwe",8} };
    int num = sizeof(arr3) / sizeof(arr3[0]);
    qsort(arr3, num, sizeof(arr3[0]), comp_struct_by_name);
    for (int i = 0; i < 6; i++)
    {
        printf("%s ", arr3[i].name);
    }
   

}

void text5_bubble_int()
{
    int arr[10] = { 2,6,4,8,7,9,5,1,3,0 };
    int num = sizeof(arr) / sizeof(arr[0]);
    bubble(arr, num, sizeof(arr[0]), comp_int);
    for (int i = 0; i < 10; i++)
    {
        printf("%d ", arr[i]);
    }
}



int main()
{
   
    text1_int();
    printf("\n");
    text2_float();
    printf("\n");
    text3_struct_rank();
    printf("\n");
    text4_struct_name();
    printf("\n");

    text5_bubble_int();
    /*bubble*/
   
   
    return 0;
}

呃呃，你帮我改的内容，我还暂时看不懂。。。。，不知道原因

也就是这里的h不符合GB2312的存储方式？
之前这里我写的是一，一一，一一一等等，然后第二天编译了一下就变成h了。