ARB_MAXNODES
maxctds = ARB_MAXNODES(&CONSTVSD(tdgstclust32, tdgst)->ctdtree);
maxctds = ARB_MAXNODES(&CONSTVSD(tdgstclust64, tdgst)->ctdtree);
ARB_MAXNODES(ctd32tree)) {
ARB_MAXNODES(ctd64tree)) {
maxctds = remctds = ARB_MAXNODES(ctd32tree);
maxctds = remctds = ARB_MAXNODES(ctd64tree);
((((intptr_t)(idx) <= ARB_NULLIDX) || ((idx) >= ARB_MAXNODES(head))) ? \
ARB_SELFIDX(head, x) < ARB_MAXNODES(head); \
for ((x) = ARB_NODES(head) + (ARB_MAXNODES(head) - 1); \