NOECHO (ul_pccns)

	NOECHO(suppress.i2.r)

	This routine controls whether or not typed in characters are
	echoed to the screen by the INTYPE routine.  If SUPPRESS has
	a value of 1, echoing is suppressed.  Suppression of echoing
	in no way affects whether or not key press interrupts are
	received from INTYPE.  At initialization echoing is enabled.
	noechoc is a C-callable version of this routine.

	This function requires the following include files:

	ul_pccns_h:tvlib34_h