RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ d3c6a6abb68946a85aa48cd63c5c9928020269b7

огледало от https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

bernard.xiong 2de41d04ad add upd and tcp echo server.		преди 16 години
..
tcpecho.c	2de41d04ad add upd and tcp echo server.	преди 16 години
udpecho.c	2de41d04ad add upd and tcp echo server.	преди 16 години