RTC_HDR_64
head->ch_cnflags |= RTC_HDR_64;
if (!(head->ch_cnflags & RTC_HDR_64)) {
if (head->ch_cnflags & RTC_HDR_64)
if (!(crle->c_flags & CRLE_UPDATE) && (head->ch_cnflags & RTC_HDR_64)) {
if (head->ch_cnflags & RTC_HDR_64)
if (head->ch_cnflags & RTC_HDR_64)