Lfun:	query_wc - return the amount of weapon class of a living

Synopsis:
	int query_wc()

Description:
	The query_wc call returns the amount of weapon class of a living.
	The weapon class is calculated from the weapon the living is
	wielding.

Return value:
	A positive integer indicating the weapon class.
	If no weapon is worn, 0 is returned.

Examples:
	int wc;
	wc=this_player()->query_wc();

Note:
	Even if the weapon class of a living is 0, it still hits with
	WEAPON_CLASS_OF_HANDS as it is defined in /etc/living.h.

See also: living/query_weapon, monster/query_def_wc, monster/set_wc, living/query_ac