#define ICB_INCLUDE_BAD (1<<1)
#define ICB_INCLUDE_INCOMPLETE (1<<2)
#define ICB_CIRCULAR_OUT (1<<3)
+#define ICB_INIT (1<<4)
+
+#define IOBUF_KEEP_BUFS 0
+#define IOBUF_FREE_BUFS 1
+
+#define MPLX_SWITCHING IOBUF_KEEP_BUFS
+#define MPLX_ALL_DONE IOBUF_FREE_BUFS
+#define MPLX_TO_BUFFERED 2
#define RL_EOL_NULLS (1<<0)
#define RL_DUMP_COMMENTS (1<<1)