我这个演示例好像不行：

char a[3][3]={"he","ll","o"};
void* b = a;
printf(" %s", *(char* b));   //出错

应该如何作可以让 b 指针正确的打印出 字符串"he";

char a[3][3]={"he","ll","o"};
char* b = a;
printf(" %s", b);   //

b 必须为void指针

char a[3][3]={"he","ll","o"};
void* b = a;
printf(" %s", (char*)b);