public int read(byte[] b, int off, int len) throws IOException {
if (b == null) throw new NullPointerException();
else if (off < 0 || off > b.length || len < 0 || (off + len) > b.length || (off + len) < 0)
throw new IndexOutOfBoundsException();
else if (len == 0) return 0;
return nativeRead(impl.getFd(), b, off, len);
}
public int read() throws IOException {
return nativeRead(impl.getFd());
}
public void close() throws IOException {
impl.shutdownInput();
}
