RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ c34386cfcdd0b05bdc3efa89f7741d2e2f7d52ba

tangyuxin 1b68098f08 [libc] Fix Win32 compilation errors		4 anni fa
..
sys	1b68098f08 [libc] Fix Win32 compilation errors	4 anni fa
SConscript	b2d3317c6a remove minilibc	4 anni fa
readme.md	bf7a3af6fd update readme	4 anni fa
stdlib.c	3c05a4e719 [compoenets] auto & manual formatted	4 anni fa
termios.h	3c05a4e719 [compoenets] auto & manual formatted	4 anni fa
time.c	3c05a4e719 [compoenets] auto & manual formatted	4 anni fa
unistd.c	3c05a4e719 [compoenets] auto & manual formatted	4 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'])
```