GL_RBTREE_OSET     32 maint/gnulib/lib/gl_rbtreehash_list.c #define OSET_TREE_FLAVOR GL_RBTREE_OSET
GL_RBTREE_OSET    690 maint/gnulib/lib/ssfmalloc.h         gl_oset_nx_create_empty (GL_RBTREE_OSET, compare_pages_by_free_space, NULL);
GL_RBTREE_OSET     96 maint/gnulib/tests/test-rbtree_oset.c     set2 = gl_oset_nx_create_empty (GL_RBTREE_OSET, (gl_setelement_compar_fn) strcmp, NULL);
GL_RBTREE_OSET    166 maint/gnulib/tests/test-rbtree_oset.c   test_update (GL_RBTREE_OSET);