--- a/libnnchat.c	Sat Jun 11 09:49:42 2011 +0300
+++ b/libnnchat.c	Sat Jun 11 10:03:44 2011 +0300
@@ -891,3 +891,29 @@
 }
 
 
+nn_window_t *nn_window_new(const char *id)
+{
+    nn_window_t *res = th_calloc(1, sizeof(nn_window_t));
+    
+    if (res == NULL) return NULL;
+
+    res->data = th_ringbuf_new(NN_BACKBUF_LEN, th_free);
+    if (res->data == NULL) {
+        th_free(res);
+        return NULL;
+    }
+
+    res->id = th_strdup(id);
+    
+    return res;
+}
+
+
+void nn_window_free(nn_window_t *win)
+{
+    if (win != NULL) {
+        th_ringbuf_free(win->data);
+        th_free(win->id);
+        th_free(win);
+    }
+}