help needed to download ascii null f - (nf)

[edwards at uiucuxc.UUCP]

#R:hound:-38800:uiucuxc:29300004:000:292
uiucuxc!edwards    Jan 28 21:54:00 1984

	You could write a program that prints a null character
  and redirect it's output to a file.  Then all you would have
  to do is cat the file when you want a null character.   This
  program sends a null to my terminal just fine using 4.1cBSD.

	main() {
	  write ( 1, "", sizeof(char));
	}