RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ c4cd52a746d77fbf33d768d1ad3b9481b05121a2

Meco Man 153ab5c238 update poll sconscript		%!s(int64=4) %!d(string=hai) anos
..
getline	7973ede5a8 增加RT_USING_POSIX_FS	%!s(int64=4) %!d(string=hai) anos
io	153ab5c238 update poll sconscript	%!s(int64=4) %!d(string=hai) anos
ipc	ce8085befa [posix][ipc] add ipc header files	%!s(int64=4) %!d(string=hai) anos
pthreads	df9a23c534 [mutex] use RT_IPC_FLAG_PRIO to replace RT_IPC_FLAG_FIFO	%!s(int64=4) %!d(string=hai) anos
signal	f7548b934e [posix][dfs] move dfs_posix dfs_poll dfs_select.c to posix folder	%!s(int64=4) %!d(string=hai) anos
src	67e14adc4f [posix] 按照高级unix环境编程整理IO类别	%!s(int64=4) %!d(string=hai) anos
Kconfig	15435b6850 [posix][mmap] create the mman folder	%!s(int64=4) %!d(string=hai) anos
SConscript	b513d37cf2 [libc][posix] create 'posix' folder and move related files into it	%!s(int64=4) %!d(string=hai) anos
readme.md	1a9729f45e [libc][posix] add readme	%!s(int64=4) %!d(string=hai) anos

This folder provides functions that are not part of the standard C library but are part of the POSIX.1 (IEEE Standard 1003.1) standard.