class_do_check

	is_member.i4.v = class_do_check(mask.i4.v)

	This routine checks if the present console is a member of one of
	the classes indicated by "mask".

	mask		console class mask (can be the logical "OR" of
			multiple class mask values) (constants are in 'class')

	This function returns status values as follows:

	TRUE			console is a member of one of the classes
	FALSE			console is not a member of any of the classes

	This function requires the following include files:

	cnsparam_h, clib_h, class_h

	Related functions:

	class_get, class_get_sets, class_any_redirect, class_get_names,
	user_console_class_mask, class_alarms_cdf

	C/C++ usage:

	int	is_member;
	int	mask = CLASS_MCR;

	is_member = class_do_check(mask);