isclr
if (isclr(cg_blksfree(&acg), bit))
rval = isclr(bitmap, rel);
if ((clr = isclr(bitmap, rel)) != 0)
if (isclr(iused, ipref))
if (isclr(iused, inot)) {
if (isclr(blksfree, bno + i)) {
if (isclr(blksfree, bno + i))
if (isclr(blksfree, curfrag)) {
if (isclr(cmap->cmap_candidate, cowchunk)) {
if (isclr(cmap->cmap_candidate, chunk)) {
if (isclr(cmap->cmap_hastrans, chunk)) {