--- libelwix/inc/elwix/aring.h	2026/02/18 11:41:47	1.9
+++ libelwix/inc/elwix/aring.h	2026/07/27 21:11:07	1.10
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aring.h,v 1.9 2026/02/18 11:41:47 misho Exp $
+* $Id: aring.h,v 1.10 2026/07/27 21:11:07 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -166,9 +166,10 @@ int rbuf_enqueue(ringbuf_t *rbuf, void *data, size_t l
  *
  * @rbuf = Ring buffer
  * @out = Data, if =NULL, just dequeue data
+ * @peek = Peek only data, keep the same tail position
  * return: -1 error, 1 buffer is empty or 0 ok
  */
-int rbuf_dequeue(ringbuf_t *rbuf, struct iovec **out);
+int rbuf_dequeue(ringbuf_t *rbuf, struct iovec **out, int peek);
 
 
 /*
@@ -223,9 +224,10 @@ int lrb_enqueue(lrbuf_t *lrb, void *data, size_t len, 
  * @lrb = Linear ring buffer
  * @data = Data, if =NULL, just dequeue data
  * @len = Length of data
+ * @peek = Peek only data, keep the same tail position
  * return: -1 error, 0 buffer is empty or >0 stored data bytes
  */
-int lrb_dequeue(lrbuf_t *lrb, void *data, size_t len);
+int lrb_dequeue(lrbuf_t *lrb, void *data, size_t len, int peek);
 /*
  * lrb_getw() - Get address for write
  *