Nightmare mudlib living lfun: query_armour()
string *query_armour(string limb)
This returns a list of all the types of the armour worn on "limb". If there
are none then ({}) is returned. If "limb" does not exist then 0 is returned.
See also: query_weapon(), query_limbs(), equip_armour_to_limb(),
remove_armour_from_limb()