fr_optbits
fr->fr_optbits &= ~opts;
fr->fr_optbits |= opts;
fp->fr_optbits || fp->fr_optmask ||
if (fp->fr_optbits || fp->fr_optmask ||
optprint(sec, fp->fr_optmask, fp->fr_optbits);
fp->fr_optbits);
(fr1->fr_optbits == fr->fr_optbits)) {
fr->fr_optbits);