OSET_TREE_FLAVOR   32 maint/gnulib/lib/gl_avltreehash_list.c #define OSET_TREE_FLAVOR GL_AVLTREE_OSET
OSET_TREE_FLAVOR   32 maint/gnulib/lib/gl_rbtreehash_list.c #define OSET_TREE_FLAVOR GL_RBTREE_OSET