fr_optmask
fr->fr_optmask |= opts;
fr->fr_optmask |= (opts & ~0x0100);
fr->fr_optmask |= opts;
fp->fr_optbits || fp->fr_optmask ||
if (fp->fr_optbits || fp->fr_optmask ||
optprint(sec, fp->fr_optmask, fp->fr_optbits);
optprintv6(sec, fp->fr_optmask,
(fr1->fr_optmask == fr->fr_optmask) &&
if (fr->fr_optmask != 0)
fr->fr_optmask, 0xffffffff,