H_PARCHANGE
if (!(hp->h_flag & H_PARCHANGE))
hp->h_flag &= ~H_PARCHANGE;
if (hp->h_flag & H_PARCHANGE)
hp->h_flag |= (H_CHANGE | H_PARCHANGE);
hp->h_flag |= (H_CHANGE | H_PARCHANGE);
hp->h_flag |= H_PARCHANGE;
if (hp->h_flag & H_PARCHANGE) {