RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ b21d59b3dc5ed87c0745e1f848e8d0d3a43cf686

Bernard Xiong 677f9c5aa6 Merge pull request #4470 from mysterywolf/ioctl		4 vuotta sitten
..
sys	677f9c5aa6 Merge pull request #4470 from mysterywolf/ioctl	4 vuotta sitten
SConscript	b2d3317c6a remove minilibc	5 vuotta sitten
readme.md	bf7a3af6fd update readme	5 vuotta sitten
stdlib.c	3c05a4e719 [compoenets] auto & manual formatted	4 vuotta sitten
termios.h	3c05a4e719 [compoenets] auto & manual formatted	4 vuotta sitten
time.c	3c05a4e719 [compoenets] auto & manual formatted	4 vuotta sitten
unistd.c	3c05a4e719 [compoenets] auto & manual formatted	4 vuotta sitten

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'])
```