Bernard Xiong a5cd7e7abd Merge pull request #3944 from mysterywolf/libc		5 vuotta sitten
..
sys	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
SConscript	b3ab8a99e1 Signed-off-by: mysterywolf	5 vuotta sitten
readme.md	c7aa6f0619 [fix bug] #3902	5 vuotta sitten
termios.h	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
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

Attention :

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'])
```