NAME
	query_air - Check if an object supplies air (OBSOLETE).

SYNOPSIS
	int query_air();

LOCATION
	Any object that can be carried around.

DESCRIPTION
	If this function returns true, the living carrying it can
	breathe under water. (This object somehow supplies the air
	necessary.) 

NOTES
	This way of doing it OBSOLETE: use property "air_supply" instead.

Help topics available:

LFUNS	MORE_LFUNS	query_info	query_air	reduce_hit_point
restore_spell_points	save_me_from_death