From the NannyMUD documentation

LAST CHANGE

2005-01-15

FUNCTION

NAME
        is_admin - Is the object an admin?


LOCATION
        This function is located in /obj/player.

AVAILABILITY
        This function can be called by any object.

SYNTAX
        nomask int is_admin()

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