incompatible types when assigning to type 'CHANGE' from type

来源：学生作业帮编辑：拍题作业网作业帮分类：综合作业时间：2024/04/29 23:20:59

incompatible types when assigning to type 'CHANGE' from type 'struct CHANGE *'
typedef struct change
{
char str1[21];
char str2[21];
}CHANGE;
CHANGE *p=NULL;
p=(CHANGE*)calloc(3,sizeof(CHANGE*)); /*申请指针数组*/
p[0]=(CHANGE*)calloc(M,sizeof(CHANGE)); /把申请的地址存到指针数组里*/
大概就是这些...为什么会出错呢?

前两句改一下：
CHANGE **p=NULL;
p=(CHANGE**)calloc(3,sizeof(CHANGE*)); /*申请指针数组*/
再问：终于成功了...太感谢了！！
CHANGE **p是什么意思呢？不太懂...
也有char **p这样的吗？
再答：就是二维指针

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