--- libaitsync/inc/defs.h	2012/07/22 22:09:47	1.3
+++ libaitsync/inc/defs.h	2012/11/13 10:00:30	1.3.2.1
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: defs.h,v 1.3 2012/07/22 22:09:47 misho Exp $
+* $Id: defs.h,v 1.3.2.1 2012/11/13 10:00:30 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -51,6 +51,10 @@ SUCH DAMAGE.
 #define STRSIZ		256
 #endif
 
+#define CHUNK_MAX	2048
+#define DLTSYNC_MAGIC	0xD34DC0D3
+#define SIGSYNC_MAGIC	0xDEADBEEF
+
 #define TABLESIZ	(1 << 16)
 #define NULL_TAG	(-1)
 
@@ -58,6 +62,25 @@ SUCH DAMAGE.
 #define GETTAG(sum)	GETTAG2((sum) & 0xFFFF, (sum) >> 16)
 
 #define SETERR	syncSetErr(errno, strerror(errno));
+
+
+typedef struct tagSyncChunk {
+	u_int sc_magic;
+	u_long sc_id;
+	off_t sc_off;
+	size_t sc_len;
+	u_int sc_roll;
+	u_char sc_cksum[MD5_DIGEST_LENGTH];
+} sync_chunk_t;
+
+
+struct tagDirName {
+	u_char	ch;
+	u_short tag;
+	u_int	hash;
+	char	name[MAXPATHLEN];
+	char	extra[STRSIZ];
+};
 
 
 typedef struct tagSyncTag {