--- a/util.h	Sat May 26 06:18:19 2012 +0300
+++ b/util.h	Sat May 26 06:56:18 2012 +0300
@@ -15,7 +15,6 @@
 #define NN_TMPBUF_SIZE    (4096)
 #define NN_ALLOC_SIZE     (128)
 #define NN_NUM_BUCKETS    (256)
-#define NN_BACKBUF_LEN    (512)       // Backbuffer size (in lines)
 
 
 typedef struct _nn_user_t
@@ -72,24 +71,6 @@
 
 typedef struct
 {
-    qringbuf_t *data;   // "Backbuffer" data for this window
-    int pos;            // Current position in the window, 0 = real time
-    BOOL dirty;
-
-    char *id;           // Chatter ID, NULL = main window
-    int num;		// Window number
-
-    char *buf;
-    size_t len, bufsize;
-    size_t chlen;
-} nn_window_t;
-
-nn_window_t *nn_window_new(const char *);
-void        nn_window_free(nn_window_t *);
-
-
-typedef struct
-{
     size_t len;
     char *str;
 } nn_strtuple_t;