Function dd_lib::io::copy::bytes

pub fn bytes<R, W, C, E>(
    r: R,
    w: &mut W,
    c: &C,
    err: &mut Option<E>,
    max_bytes: usize
) -> Result<Success>where
    R: BufRead,
    W: Write,
    C: ConvertSlice<u8>,
    E: Write,