A pointer to an array of pointers to array of ints解决思路

A pointer to an array of pointers to array of ints
A pointer to an array of pointers to array of ints
a function returning an array of pointers to array of floats
请问怎么用C语言描述？

[解决办法]
第一题：int (*(*x)[])[10];

第二题: C/C++不能返回数组，非要写的话，大概是这样
float (*x()[])[10];
[解决办法]