RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ 19871ac32e41590b1f3e3742d9ab023dc3147ba0

chenjh 055c3d3e1d [Update] Sync from v4.0.3		пре 5 година
..
sys	055c3d3e1d [Update] Sync from v4.0.3	пре 5 година
SConscript	055c3d3e1d [Update] Sync from v4.0.3	пре 5 година
readme.md	055c3d3e1d [Update] Sync from v4.0.3	пре 5 година
termios.h	055c3d3e1d [Update] Sync from v4.0.3	пре 5 година
time.c	4875ee8a3a Sync from master (75a3f3dd3a930eab1dc58fa0258a9d1605a0ac11)	пре 6 година
unistd.c	055c3d3e1d [Update] Sync from v4.0.3	пре 5 година

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'])
```