RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ c48445a5f7cdf86d9724b1fa2ca9090b433845e7

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

Bernard Xiong 8da9f78d72 [libc] remove rtlibc		пре 4 година
..
net_netdb.c	8da9f78d72 [libc] remove rtlibc	пре 4 година
net_sockets.c	a5f7635f31 remove libc_errno.h & libc_limits.h	пре 4 година