RT-Thread/rt-thread: KM https://github.com/RT-Thread/rt-thread.git @ 6d7dafe090269ac0eb3633f81c4e3bf8774c2abf

Meco Man 4accfc410c 修改get_timeval的错误返回形式		5 anni fa
..
sys	677f9c5aa6 Merge pull request #4470 from mysterywolf/ioctl	5 anni fa
SConscript	b2d3317c6a remove minilibc	5 anni fa
readme.md	bf7a3af6fd update readme	5 anni fa
stdlib.c	3c05a4e719 [compoenets] auto & manual formatted	5 anni fa
termios.h	3c05a4e719 [compoenets] auto & manual formatted	5 anni fa
time.c	4accfc410c 修改get_timeval的错误返回形式	5 anni fa
unistd.c	3c05a4e719 [compoenets] auto & manual formatted	5 anni fa

Attentions

This folder is "common" for armlibc newlibc and dlib.
If you want to add new .c files, please do not forget to fix SConscript file too. eg:
```
if GetDepend('RT_USING_POSIX') == False:
    SrcRemove(src, ['unistd.c'])
```