prev_node        3371 ext/mbstring/oniguruma/regcomp.c   Node *top_root, *root, *snode, *prev_node;
prev_node        3382 ext/mbstring/oniguruma/regcomp.c   top_root = root = prev_node = snode = NULL_NODE;
prev_node        3397 ext/mbstring/oniguruma/regcomp.c 	if (IS_NULL(root) && IS_NOT_NULL(prev_node)) {
prev_node        3398 ext/mbstring/oniguruma/regcomp.c 	  top_root = root = onig_node_list_add(NULL_NODE, prev_node);
prev_node        3400 ext/mbstring/oniguruma/regcomp.c 	    onig_node_free(prev_node);
prev_node        3405 ext/mbstring/oniguruma/regcomp.c 	prev_node = snode = onig_node_new_str(NULL, NULL);
prev_node        3422 ext/mbstring/oniguruma/regcomp.c       if (IS_NULL(root) && IS_NOT_NULL(prev_node)) {
prev_node        3423 ext/mbstring/oniguruma/regcomp.c 	top_root = root = onig_node_list_add(NULL_NODE, prev_node);
prev_node        3425 ext/mbstring/oniguruma/regcomp.c 	  onig_node_free(prev_node);
prev_node        3430 ext/mbstring/oniguruma/regcomp.c       r = expand_case_fold_string_alt(n, items, p, len, end, reg, &prev_node);
prev_node        3434 ext/mbstring/oniguruma/regcomp.c 	  top_root = prev_node;
prev_node        3437 ext/mbstring/oniguruma/regcomp.c 	  if (IS_NULL(onig_node_list_add(root, prev_node))) {
prev_node        3438 ext/mbstring/oniguruma/regcomp.c 	    onig_node_free(prev_node);
prev_node        3443 ext/mbstring/oniguruma/regcomp.c 	root = NCAR(prev_node);
prev_node        3447 ext/mbstring/oniguruma/regcomp.c 	  if (IS_NULL(onig_node_list_add(root, prev_node))) {
prev_node        3448 ext/mbstring/oniguruma/regcomp.c 	    onig_node_free(prev_node);
prev_node        3466 ext/mbstring/oniguruma/regcomp.c     if (IS_NOT_NULL(prev_node) && IS_NULL(root)) {
prev_node        3467 ext/mbstring/oniguruma/regcomp.c       top_root = root = onig_node_list_add(NULL_NODE, prev_node);
prev_node        3470 ext/mbstring/oniguruma/regcomp.c 	onig_node_free(prev_node);
prev_node        3476 ext/mbstring/oniguruma/regcomp.c       prev_node = srem;
prev_node        3487 ext/mbstring/oniguruma/regcomp.c   top_root = (IS_NOT_NULL(top_root) ? top_root : prev_node);