I don’t think macros is clearer, and the meaning of those so called
“magic numbers” like 0644 is clear enough. People are used to that.
As a result, it is not meaningful to replace them with macro.
> 在 2016年8月2日，19:46，Baole Ni 写道：
>
> I find that the developers often just specified the numeric
I find that the developers often just specified the numeric value
when calling a macro which is defined with a parameter for access permission.
As we know, these numeric value for access permission have had the
corresponding macro,
and that using macro can improve the robustness and readability of
