--- libaitio/inc/defs.h	2011/12/13 02:23:07	1.3
+++ libaitio/inc/defs.h	2012/02/02 15:32:02	1.3.2.1
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: defs.h,v 1.3 2011/12/13 02:23:07 misho Exp $
+* $Id: defs.h,v 1.3.2.1 2012/02/02 15:32:02 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -47,13 +47,27 @@ SUCH DAMAGE.
 #define __DEFS_H
 
 
-#define STRSIZ		256
-#define RECV_TIMEOUT	5000
+#define STRSIZ			256
+#define RECV_TIMEOUT		5000
 
+#define BUFIO_MODE_LIMIT	0
+#define BUFIO_MODE_INFINIT	1
+
 #define LOGERR	{ \
 			io_Errno = errno; \
 			strlcpy(io_Error, strerror(errno), STRSIZ); \
 		}
+
+struct tagBufIO {
+	int		buf_mode;
+	struct {
+		void	*buf_base;
+		off_t	buf_size;
+	};
+	off_t		buf_offset;
+
+	void 		(*buf_unmap)();
+};
 
 
 extern int io_Errno;