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{
Miranda NG: the free IM client for Microsoft* Windows*
Copyright 2012 Miranda NG team,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
}
{$IFNDEF M_ZLIB}
{$DEFINE M_ZLIB}
const
ZlibDLL = 'zlib.mir';
Z_NO_FLUSH = 0;
Z_PARTIAL_FLUSH = 1;
Z_SYNC_FLUSH = 2;
Z_FULL_FLUSH = 3;
Z_FINISH = 4;
Z_BLOCK = 5;
Z_TREES = 6;
Z_OK = 0;
Z_STREAM_END = 1;
Z_NEED_DICT = 2;
Z_ERRNO = -1;
Z_STREAM_ERROR = -2;
Z_DATA_ERROR = -3;
Z_MEM_ERROR = -4;
Z_BUF_ERROR = -5;
Z_VERSION_ERROR = -6;
Z_NO_COMPRESSION = 0;
Z_BEST_SPEED = 1;
Z_BEST_COMPRESSION = 9;
Z_DEFAULT_COMPRESSION = -1;
Z_FILTERED = 1;
Z_HUFFMAN_ONLY = 2;
Z_RLE = 3;
Z_FIXED = 4;
Z_DEFAULT_STRATEGY = 0;
Z_BINARY = 0;
Z_TEXT = 1;
Z_ASCII = 1;
Z_UNKNOWN = 2;
Z_DEFLATED = 8;
type
alloc_func = function(opaque: pointer; items, size: integer): pointer; cdecl;
free_func = procedure(opaque, address: pointer); cdecl;
in_func = function(opaque: pointer; var buf: PByte): integer; cdecl;
out_func = function(opaque: pointer; buf: PByte; size: integer): integer; cdecl;
z_streamp = ^z_stream;
z_stream = packed record
next_in: PChar; (* next input byte *)
avail_in: integer; (* number of bytes available at next_in *)
total_in: LongInt; (* total nb of input bytes read so far *)
next_out: PChar; (* next output byte should be put there *)
avail_out: integer; (* remaining free space at next_out *)
total_out: LongInt; (* total nb of bytes output so far *)
msg: PChar; (* last error message, NULL if no error *)
state: pointer; (* not visible by applications *)
zalloc: alloc_func; (* used to allocate the internal state *)
zfree: free_func; (* used to free the internal state *)
opaque: pointer; (* private data object passed to zalloc and zfree *)
data_type: integer; (* best guess about the data type: ascii or binary *)
adler: LongInt; (* adler32 value of the uncompressed data *)
reserved: LongInt; (* reserved for future use *)
end;
function deflateInit(var strm: z_stream; level: integer): integer; cdecl;
external ZlibDLL name 'deflateInit_';
function deflate(var strm: z_stream; flush: integer): integer; cdecl;
external ZlibDLL name 'deflate';
function deflateEnd(var strm: z_stream): integer; cdecl;
external ZlibDLL name 'deflateEnd';
function inflateInit(var strm: z_stream): integer; cdecl;
external ZlibDLL name 'inflateInit_';
function inflate(var strm: z_stream; flush: integer): integer; cdecl;
external ZlibDLL name 'inflate';
function inflateEnd(var strm: z_stream): integer; cdecl;
external ZlibDLL name 'inflateEnd';
{$ENDIF}
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