the new location is better than nuttx/drivers/drivers.h since they are part of the file system api. Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
See the reference here: https://www.man7.org/linux/man-pages/man2/pipe2.2.html Change-Id: Ife19b9bdbde73c7421be381a094da67017819e63 Signed-off-by: chao.an <anchao@xiaomi.com>