</ol>
<dl>
- <dt>Jean-loup Gailly
+ <dt>Jean-loup Gailly
<dd><a href="mailto:jloup@gzip.org">jloup@gzip.org</a>
<dt>Mark Adler
<dd><a href="mailto:madler@alumni.caltech.edu">madler@alumni.caltech.edu</a>
Comments) 1950 to 1952 in the files
<a href="ftp://ds.internic.net/rfc/rfc1950.txt">
ftp://ds.internic.net/rfc/rfc1950.txt </a>
- (zlib format),
+ (zlib format),
<a href="ftp://ds.internic.net/rfc/rfc1951.txt">
rfc1951.txt </a>
- (<a href="#deflate">deflate</a> format) and
+ (<a href="#deflate">deflate</a> format) and
<a href="ftp://ds.internic.net/rfc/rfc1952.txt">
rfc1952.txt </a>
(gzip format).
<p>
- This manual is converted from zlib.h by
+ This manual is converted from zlib.h by
<a href="mailto:piaip@csie.ntu.edu.tw"> piaip </a>
<p>
Visit <a href="http://ftp.cdrom.com/pub/infozip/zlib/">
- http://ftp.cdrom.com/pub/infozip/zlib/</a>
+ http://ftp.cdrom.com/pub/infozip/zlib/</a>
for the official zlib web page.
<p>
<hr>
<a name="Utility functions"><h2> Utility functions </h2>
The following utility functions are implemented on top of the
- <a href="#Basic functions">basic stream-oriented functions</a>.
+ <a href="#Basic functions">basic stream-oriented functions</a>.
To simplify the interface, some
default options are assumed (compression level and memory usage,
standard memory allocation functions). The source code of these
enough room in the output buffer), <a href="#next_in">next_in</a> and <a href="#avail_in">avail_in</a> are updated and
processing will resume at this point for the next call of <a href="#deflate">deflate</a>().
- <li>
+ <li>
Provide more output starting at <a href="#next_out">next_out</a> and update <a href="#next_out">next_out</a> and <a href="#avail_out">avail_out</a>
accordingly. This action is forced if the parameter flush is non zero.
Forcing flush frequently degrades the compression ratio, so this parameter
<a href="#deflate">deflate</a> has returned <a href="#Z_STREAM_END">Z_STREAM_END</a>, the only possible operations on the
stream are <a href="#deflateReset">deflateReset</a> or <a href="#deflateEnd">deflateEnd</a>.
<p>
-
+
<a href="#Z_FINISH">Z_FINISH</a> can be used immediately after <a href="#deflateInit">deflateInit</a> if all the compression
is to be done in a single step. In this case, <a href="#avail_out">avail_out</a> must be at least
0.1% larger than <a href="#avail_in">avail_in</a> plus 12 bytes. If <a href="#deflate">deflate</a> does not return
<p>
<font color="Blue"><dt> int <a name="inflateInit">inflateInit</a> (<a href="#z_streamp">z_streamp</a> strm);</font>
-<dd>
+<dd>
Initializes the internal stream <a href="#state">state</a> for decompression. The fields
<a href="#next_in">next_in</a>, <a href="#avail_in">avail_in</a>, <a href="#zalloc">zalloc</a>, <a href="#zfree">zfree</a> and <a href="#opaque">opaque</a> must be initialized before by
the caller. If <a href="#next_in">next_in</a> is not <a href="#Z_NULL">Z_NULL</a> and <a href="#avail_in">avail_in</a> is large enough (the exact
enough room in the output buffer), <a href="#next_in">next_in</a> is updated and processing
will resume at this point for the next call of <a href="#inflate">inflate</a>().
- <li> Provide more output starting at <a href="#next_out">next_out</a> and update <a href="#next_out">next_out</a> and
- <a href="#avail_out">avail_out</a> accordingly. <a href="#inflate">inflate</a>() provides as much output as possible,
- until there is no more input data or no more space in the output buffer
+ <li> Provide more output starting at <a href="#next_out">next_out</a> and update <a href="#next_out">next_out</a> and
+ <a href="#avail_out">avail_out</a> accordingly. <a href="#inflate">inflate</a>() provides as much output as possible,
+ until there is no more input data or no more space in the output buffer
(see below about the flush parameter).
</ul> <p>
If a preset dictionary is needed at this point (see <a href="#inflateSetDictionary">inflateSetDictionary</a>
below), <a href="#inflate">inflate</a> sets strm-<a href="#adler">adler</a> to the <a href="#adler32">adler32</a> checksum of the
- dictionary chosen by the compressor and returns <a href="#Z_NEED_DICT">Z_NEED_DICT</a> ; otherwise
+ dictionary chosen by the compressor and returns <a href="#Z_NEED_DICT">Z_NEED_DICT</a> ; otherwise
it sets strm-> <a href="#adler">adler</a> to the <a href="#adler32">adler32</a> checksum of all output produced
so far (that is, <a href="#total_out">total_out</a> bytes) and returns <a href="#Z_OK">Z_OK</a>, <a href="#Z_STREAM_END">Z_STREAM_END</a> or
an error code as described below. At the end of the stream, <a href="#inflate">inflate</a>()
memory, <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if a parameter is invalid (such as an invalid
method). <a href="#msg">msg</a> is set to null if there is no error message. <a href="#deflateInit2">deflateInit2</a> does
not perform any compression: this will be done by <a href="#deflate">deflate</a>().<p>
-
+
<font color="Blue"><dt> int <a name="deflateSetDictionary">deflateSetDictionary</a> (<a href="#z_streamp">z_streamp</a> strm, const Bytef *dictionary, uInt dictLength);</font>
<dd>
Initializes the compression dictionary from the given byte sequence
Before the call of <a href="#deflateParams">deflateParams</a>, the stream <a href="#state">state</a> must be set as for
a call of <a href="#deflate">deflate</a>(), since the currently available input may have to
- be compressed and flushed. In particular, strm-> <a href="#avail_out">avail_out</a> must be
+ be compressed and flushed. In particular, strm-> <a href="#avail_out">avail_out</a> must be
non-zero.<p>
<a href="#deflateParams">deflateParams</a> returns <a href="#Z_OK">Z_OK</a> if success, <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if the source
uLong <a name="reserved">reserved</a>; /* <a href="#reserved">reserved</a> for future use */
} <a href="#z_stream_s">z_stream</a> ;
-typedef <a href="#z_stream_s">z_stream</a> FAR * <a name="z_streamp">z_streamp</a>; ÿ
+typedef <a href="#z_stream_s">z_stream</a> FAR * <a name="z_streamp">z_streamp</a>; ÿ
</pre>
</font>
The application must update <a href="#next_in">next_in</a> and <a href="#avail_in">avail_in</a> when <a href="#avail_in">avail_in</a> has
<font color="Blue">
<pre>
#define <a name="Z_NO_FLUSH">Z_NO_FLUSH</a> 0
-#define <a name="Z_PARTIAL_FLUSH">Z_PARTIAL_FLUSH</a> 1
+#define <a name="Z_PARTIAL_FLUSH">Z_PARTIAL_FLUSH</a> 1
/* will be removed, use <a href="#Z_SYNC_FLUSH">Z_SYNC_FLUSH</a> instead */
#define <a name="Z_SYNC_FLUSH">Z_SYNC_FLUSH</a> 2
#define <a name="Z_FULL_FLUSH">Z_FULL_FLUSH</a> 3
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