/**
  * Write a portion of an array of characters.
  *
  * @param cbuf Buffer of characters
  * @param off Offset from which to start writing characters
  * @param len Number of characters to write
  * @exception IOException If an I/O error occurs
  */
 public void write(char cbuf[], int off, int len) throws IOException {
   se.write(cbuf, off, len);
 }
 /**
  * Write a portion of a string.
  *
  * @param str A String
  * @param off Offset from which to start writing characters
  * @param len Number of characters to write
  * @exception IOException If an I/O error occurs
  */
 public void write(String str, int off, int len) throws IOException {
   se.write(str, off, len);
 }
 /**
  * Write a single character.
  *
  * @exception IOException If an I/O error occurs
  */
 public void write(int c) throws IOException {
   se.write(c);
 }