status.i4.v = env_is_acnet_in_a_box()

	This routine tells the calling application whether or not it
	is running in an ACNET in a Box environment.

	This function returns status values as follows:

	TRUE			is ACNET in a Box
	FALSE			is not ACNET in a Box

	This function requires the following include files:

	cnsparam_h, clib_h

	Related functions:

	clib_environment, my_control_system_name

	C/C++ usage:

	int	status;

	status = env_is_acnet_in_a_box();