pub fn preadv2<Fd: AsFd>(
fd: Fd,
bufs: &mut [IoSliceMut<'_>],
offset: u64,
flags: ReadWriteFlags
) -> Result<usize>Expand description
preadv2(fd, bufs, offset, flags)—Reads data, with several options.
An offset of u64::MAX means to use and update the current file offset.