dup_root 3744 maint/gnulib/lib/regcomp.c bin_tree_t *dup_root; dup_root 3745 maint/gnulib/lib/regcomp.c bin_tree_t **p_new = &dup_root, *dup_node = root->parent; dup_root 3772 maint/gnulib/lib/regcomp.c return dup_root;