From the NannyMUD documentation

LAST CHANGE

2003-04-09

FUNCTION

NAME
        query_can_drink_alcohol - Can the player drink this much/strong?


LOCATION
        This function is located in /obj/player.

AVAILABILITY
        This function can be called by any object.

SYNTAX
       int query_can_drink_alcohol(int strength)

DESCRIPTION
        This function can be called to see if the player can drink
	the drink with strength 'strenght'.


RETURN VALUES
        0 No, the player cannot drink that strong a drink.
        1 Yes, the player can drink that strong a drink.


SEE ALSO
        drink_alcohol in lfun/player/drink_alcohol