RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ d718f64dfc3aaa48829d83f559be4bf433155b86

Bernard Xiong 2bf53d315d Merge pull request #4369 from mysterywolf/removeminilibc		4 lat temu
..
sys	598aa86f75 move clock_time_to_tick to time.c	4 lat temu
SConscript	b2d3317c6a remove minilibc	4 lat temu
readme.md	bf7a3af6fd update readme	4 lat temu
stdlib.c	2b98ac215a [kernel] rearrange rt_thread_control() - schedule the thread when close it	4 lat temu
termios.h	54143409ca 增加#include <rtconfig.h> 防止开启termios功能后报错	5 lat temu
time.c	598aa86f75 move clock_time_to_tick to time.c	4 lat temu
unistd.c	19c8cab8bd update	4 lat temu

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'])
```