From the NannyMUD documentation

LAST CHANGE

2001-08-12

FUNCTION

NAME
        value_add_hp_hook - 


AVAILABILITY
	/obj/living_functions

DESCRIPTION
	This hook is called whenever a living gets or loses hp. It is
	called after block_add_hp_hook, and only if that returns zero.
	The returned value is added to the hp change.

	ARGUMENTS

	value_add_hp_hook(
	  ({ The change (negative for hp loss),
	     The amount of hp before the adding,
	     The previous object, ie the caller,
	     The ignore flag, ie all checks are ignored.
	  }),
	  the living
	)


NOTE
	The values returned by value_add_hp_hook only will only be
	applied if they are negative.


SEE ALSO
        add_sp_hook in hooks/add_sp_hook


SEE ALSO
        block_add_sp_hook in hooks/block_add_sp_hook