#define EFF_GROUP bit(3)
/* Table is allocated statically */
#define EFF_STATIC bit(4)
+/* Table has a sentinel (all zero, not counted as elt), implies EFF_MEM */
+#define EFF_SENTINEL bit(5)
/* All the immutable flags */
#define EFF_IMMUTABLE \
(EFF_TYPED | EFF_XY | EFF_OWNER | EFF_GROUP | EFF_STATIC)