checkdam
checkdam(newp, pp, pp->p_ident, STABDAM, KNIFE);
void checkdam(PLAYER *, PLAYER *, IDENT *, int, char);
checkdam(pp, NULL, NULL,
checkdam(pp, bp->b_owner, bp->b_score,
checkdam(pp, bp->b_owner, bp->b_score, MINDAM, bp->b_type);