From the NannyMUD documentation

LAST CHANGE

2001-01-06

FUNCTION

NAME
        _exit - called when an object is destructed


LOCATION
Can occur in any object.

SYNTAX
void _exit();

DESCRIPTION
	The _exit() function is called when the object containing it
	is destructed by destruct().  This allows you to do any last
	actions before the object disappears.


NOTE
	If your _exit function bugs, the destruct will fail.


SEE ALSO
        destruct in efun/object_related/destruct
        destruct in wizcommands/object/destruct


SEE ALSO
        _destruct in efun/object_related/_destruct