889:/d/Genesis/newmagic/spell.c (/d/Genesis/newmagic/spell.c)
(nomask public mixed) cast_spell(object caster, object *targets, string arg)
/*
 * Function name: cast_spell
 * Description:   This function handles the actual casting of the spell.
 * Arguments:     1. (object)   the caster
 *                2. (object *) the targets
 *                3. (string)   arguments to spell invocation
 * Returns:       1 - casting success
 *                0 - casting failure, default fail message
 *                string - casting failure, use string for fail message
 */
