status.i4.v = window_field_disable_c(field_id.i4.v)

	This routine will disable an interrupt callback field which was
	created by an earlier call to window_field_create_c.

	field_id	ID of desired field
			(returned by prior call to window_field_create_c)
			(Note:  If a negated window ID or a value of
			 WMNGR_BACKGROUND is passed, all fields in that
			 window will be disabled.)

	This function returns ACNET status values as follows:

	CBS_NO_SUCH		field or window does not exist
	otherwise		previous enable/disable state

	This function requires the following include files:

	cbslib_h, acnet_errors_h

	Related functions:

	window_field_enable_c, window_field_disable_all,
	window_field_enable_all, window_field_create_c,
	window_field_add_callback_c, window_field_delete_callback_c,
	window_field_delete_c, window_field_init_c, field_window_delete_c,
	field_window_set_exclusive_c, field_window_restore_exclusive,
	window_field_enable_all_occluded, window_field_disable_all_occluded,

	C/C++ usage:

	int	status;
	int	field_id;

	status = window_field_disable_c(field_id);