RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ dfedf1ab92ce96157a34ee4727176ff2dd99e33b

mysterywolf ab75425540 update		5 vuotta sitten
..
sys	ab75425540 update	5 vuotta sitten
SConscript	b3ab8a99e1 Signed-off-by: mysterywolf	5 vuotta sitten
readme.md	d5f8830177 add newlib/dlib readme	5 vuotta sitten
termios.h	54143409ca 增加#include <rtconfig.h> 防止开启termios功能后报错	5 vuotta sitten
time.c	237a71de27 修复common文件夹，该文件夹为armlibc/newlib/dlib的共同文件的文件夹	5 vuotta sitten
unistd.c	96acad78ba 将posix_getline.h termios.h 头文件包含从<>改为""以防止路径出现分歧	5 vuotta sitten

Attentions

This folder is "common" for armlibc newlibc and dlib. It's not "common" for minilibc.
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'])
```