--- libaitio/inc/aitio.h	2016/08/10 13:55:00	1.41.2.1
+++ libaitio/inc/aitio.h	2016/08/11 12:25:51	1.41.2.3
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.41.2.1 2016/08/10 13:55:00 misho Exp $
+* $Id: aitio.h,v 1.41.2.3 2016/08/11 12:25:51 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -633,6 +633,7 @@ FILE *io_fd2buf(int fd, const char *mode);
  * return: -1 error or open file handle
  */
 int io_dumbFile(const char *csFile, int mode, off_t size);
+#define io_emptyFile io_dumbFile
 
 
 /*
@@ -657,6 +658,7 @@ int io_etherOpen(const char *csIface, int flags, unsig
  */
 void io_etherClose(int eth, void **zcbuf);
 
+#ifndef __linux__
 /*
  * io_etherFilter() - BPF filter routine
  *
@@ -668,6 +670,7 @@ void io_etherClose(int eth, void **zcbuf);
  * return: -1 error or 0 ok
  */
 int io_etherFilter(int eth, int io, struct bpf_insn * __restrict insn, size_t insnlen);
+#endif
 
 /*
  * io_etherSend() - Send packet to bpf