RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ d5072dba67c3a15173a588fd3925cddd8781ba3a

Man, Jianting (Meco) bb1084556f [console] 解决在没有定义RT_USING_DEVICE的情况下使用device报错的问题		vor 4 Jahren
..
delay	bb1084556f [console] 解决在没有定义RT_USING_DEVICE的情况下使用device报错的问题	vor 4 Jahren
io	bb1084556f [console] 解决在没有定义RT_USING_DEVICE的情况下使用device报错的问题	vor 4 Jahren
ipc	bb1084556f [console] 解决在没有定义RT_USING_DEVICE的情况下使用device报错的问题	vor 4 Jahren
pthreads	6369e89502 [posix] POSIX standard implementation for PSE51 (#5384)	vor 4 Jahren
signal	ed09f38012 [libc] remove RT_USING_LIBC	vor 4 Jahren
src	c8dcf7cc68 [libc]rename group name	vor 4 Jahren
Kconfig	918ee6147c add RT_USING_POSIX_STDIO	vor 4 Jahren
SConscript	b513d37cf2 [libc][posix] create 'posix' folder and move related files into it	vor 4 Jahren
readme.md	6369e89502 [posix] POSIX standard implementation for PSE51 (#5384)	vor 4 Jahren

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.

NOTE

For consistency of compilation results across the different of platforms(gcc, keil, iar) , you better use #include <sys/time.h> to instead of #include <time.h>.