After learning the pointer for several days, what is it used for, and why does he use it?

xiaoweier · Posted on 12/15/2015 3:39:38 PM

C language pointers have many functions, in fact, to put it bluntly, it is to directly operate memory, or understand what are the advantages of directly operating memory
1. Higher efficiency, this is easy to understand, directly operating memory, the efficiency is bound to be higher
2. You can write more complex data structures, which is easy to understand, programmers can operate memory, and of course they can write flexible and complex data structures
3. Write a simple, compact and efficient program
In fact, to put it bluntly, it is to operate memory

[C] After learning the pointer for several days, what is it used for, and why does he use it?