--- libaitio/inc/aitio.h	2011/10/07 10:41:11	1.11.2.25
+++ libaitio/inc/aitio.h	2011/10/14 07:28:16	1.11.2.26
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.11.2.25 2011/10/07 10:41:11 misho Exp $
+* $Id: aitio.h,v 1.11.2.26 2011/10/14 07:28:16 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -232,12 +232,25 @@ typedef struct {
 						AIT_LEN(__val) = 0; \
 					} while (0)
 
+struct io_ether_addr {
+	u_int8_t ether_addr_octet[6];
+};
 
+
 // io_GetErrno() Get error code of last operation
 inline int io_GetErrno();
 // io_GetError() Get error text of last operation
 inline const char *io_GetError();
 
+
+/*
+ * io_ether_ntoa() Convert ethernet address to string
+ * @n = ethernet address structure, like struct ether_addr
+ * @a = string
+ * @len = string length
+ * return: NULL error or !=NULL string a
+ */
+inline char *io_ether_ntoa(const struct io_ether_addr *n, char * __restrict a, int len);
 
 /*
  * io_vals2buffer() Marshaling data from array with variables to buffer