sk_GENERAL_SUBTREE_num
if (sk_GENERAL_SUBTREE_num(trees) > 0)
for (i = 0; i < sk_GENERAL_SUBTREE_num(trees); i++) {
sk_GENERAL_SUBTREE_num(nc->permittedSubtrees),
sk_GENERAL_SUBTREE_num(nc->excludedSubtrees))
for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->permittedSubtrees); i++) {
for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->excludedSubtrees); i++) {