Function m_useup

src/mthrowu.c:1161–1170

remove one instance of an item from a monster's inventory */

/* remove one instance of an item from a monster's inventory */
void
m_useup(struct monst *mon, struct obj *obj)
{
    if (obj->quan > 1L) {
        obj->quan--;
        obj->owt = weight(obj);
    } else {
        m_useupall(mon, obj);
    }
}

/* monster attempts ranged weapon attack against player */
void