public void write(byte b) throws IOException {
		checkOpen();
		write(new byte[] { b }, 0, 1);
	}
Writes a byte to this file, starting at the current file pointer. 
@param      b   the data.
@exception  IOException  if an I/O error occurs.
GPL/DMG/src/dmg/java/mobiledevices/dmg/ghidra/GRandomAccessFile.java