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/*
compress.h
Author: Tatu Ylonen <ylo@cs.hut.fi>
Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
All rights reserved
Created: Wed Oct 25 22:12:46 1995 ylo
Interface to packet compression for ssh.
*/
/*
* $Id: compress.h,v 1.2 1997/03/26 07:11:32 kivinen Exp $
* $Log: compress.h,v $
* Revision 1.2 1997/03/26 07:11:32 kivinen
* Fixed prototypes.
*
* Revision 1.1.1.1 1996/02/18 21:38:11 ylo
* Imported ssh-1.2.13.
*
* $EndLog$
*/
#ifndef COMPRESS_H
#define COMPRESS_H
/* Initializes compression; level is compression level from 1 to 9 (as in
gzip). */
void buffer_compress_init(int level);
/* Frees any data structures allocated by buffer_compress_init. */
void buffer_compress_uninit(void);
/* Compresses the contents of input_buffer into output_buffer. All
packets compressed using this function will form a single
compressed data stream; however, data will be flushed at the end of
every call so that each output_buffer can be decompressed
independently (but in the appropriate order since they together
form a single compression stream) by the receiver. This appends
the compressed data to the output buffer. */
void buffer_compress(Buffer *input_buffer, Buffer *output_buffer);
/* Uncompresses the contents of input_buffer into output_buffer. All
packets uncompressed using this function will form a single
compressed data stream; however, data will be flushed at the end of
every call so that each output_buffer. This must be called for the
same size units that the buffer_compress was called, and in the
same order that buffers compressed with that. This appends the
uncompressed data to the output buffer. */
void buffer_uncompress(Buffer *input_buffer, Buffer *output_buffer);
#endif /* COMPRESS_H */
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