From the NannyMUD documentation

LAST CHANGE

2000-12-12

FUNCTION

NAME
        _signal_lost_connection - _signal_lost_connection - player has gone linkdead.


LOCATION
        Can be in any object a player might carry.

SYNTAX
        void _signal_lost_connection();

DESCRIPTION
        When a player loses his connection (goes linkdead), this function
        is applied to his all_inventory() (everything he carries).


NOTE
        This might be used in guild lines which send a message that a guild
        member has gone linkdead.