RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ 60287b69fdff377ea9fdfd2f06b4ea3f6f34e32a

зеркало из https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

liuxianliang de1fd2bfc4 [add] lwIP 2.1.2 transplantation on RT-Thread.		5 лет назад
..
include	de1fd2bfc4 [add] lwIP 2.1.2 transplantation on RT-Thread.	5 лет назад
sys_arch.c	de1fd2bfc4 [add] lwIP 2.1.2 transplantation on RT-Thread.	5 лет назад