ARB_MIN
lb = cur = (void *)(ctd32 = ARB_MIN(ctdth32, ctd32tree));
lb = cur = (void *)(ctd64 = ARB_MIN(ctdth64, ctd64tree));
|| ARB_MIN(ctdth64, ctd64tree) !=
for ((x) = ARB_MIN(name, head); \
for ((x) = ARB_MIN(name, head); \
ins = ARB_MIN(tree, root);