From the NannyMUD documentation

LAST CHANGE

2005-01-15

FUNCTION

NAME
        is_wizard - Is the object a wizard?


LOCATION
        This function is located in /obj/player.

AVAILABILITY
        This function can be called by any object.

SYNTAX
        nomask int is_wizard()

DESCRIPTION
        This function asserts that the object in which it exists fully
        qualifies as an wizard. It is mainly used internally in the
        player object, but is available to other objects for convenience.