RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ v4.0.x

peilaus alkaen https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

liuxianliang ff4a936812 [add] the support of lwip 2.0.3.		4 vuotta sitten
..
test_mdns.c	ff4a936812 [add] the support of lwip 2.0.3.	4 vuotta sitten
test_mdns.h	ff4a936812 [add] the support of lwip 2.0.3.	4 vuotta sitten