gl_tree_nx_create_empty 22 maint/gnulib/lib/gl_anytree_list2.h gl_tree_nx_create_empty (gl_list_implementation_t implementation, gl_tree_nx_create_empty 31 maint/gnulib/lib/gl_anytree_omap.h gl_tree_nx_create_empty (gl_omap_implementation_t implementation, gl_tree_nx_create_empty 31 maint/gnulib/lib/gl_anytree_oset.h gl_tree_nx_create_empty (gl_oset_implementation_t implementation,