librsync man page on ElementaryOS

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librsync(3)							   librsync(3)

       librsync - library for delta compression of streams

	#include <stdio.h>
	#include <stdlib.h>
	#include <librsync.h>

	cc ... -lrsync

       The  librsync  library  implements network delta-compression of streams
       and files.  The algorithm is similar to that used in the	 rsync(1)  and
       xdelta(2)  programs,  but  specialized for transfer of arbitrary-length
       octet streams.  Unlike most diff programs, librsync  does  not  require
       access  to  both	 of  the  files on the same machine, but rather only a
       short ``signature'' of the old file and the complete  contents  of  the
       new file.

       The canonical use of librsync is in the rproxy(8) reference implementa‐
       tion of the rsync proposed extension to HTTP.   It  may	be  useful  to
       other  programs	which  wish to do delta-compression in HTTP, or within
       their own protocol.  There are HTTP-specific utility  functions	within
       librsync, but they need not be used.

       A  number of tools such as rdiff(1) provide command-line and scriptable
       access to rsync functions.


       rdiff and librsync Manual


       The rsync protocol is still evolving.  There may be bugs in the	imple‐
       mentation.   The interface may change in the future, but it is becoming
       more stable.

       Many routines will panic in case of  error  rather  than	 returning  an
       error  code to the caller.  Patches to fix this are welcome, but at the
       current state of development aborting seems as useful  as  trusting  to
       possibly-incomplete checking in the client.

       Martin Pool <>, with Andrew Tridgell <>.

       rdiff  development  has	been  supported by Linuxcare, Inc and VA Linux

Martin Pool		 $Date: 2003/06/12 06:03:32 $		   librsync(3)

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