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<!DOCTYPE html>
<html>
<!-- This is an automatically generated file. Do not edit.
zip_fseek.mdoc -- seek in file
Copyright (C) 2016-2022 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <info@libzip.org>
Redistribution and use in source and binary forms, with or without
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<head>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<link rel="stylesheet" href="../nih-man.css" type="text/css" media="all"/>
<title>ZIP_FSEEK(3)</title>
</head>
<body>
<table class="head">
<tr>
<td class="head-ltitle">ZIP_FSEEK(3)</td>
<td class="head-vol">Library Functions Manual</td>
<td class="head-rtitle">ZIP_FSEEK(3)</td>
</tr>
</table>
<div class="manual-text">
<section class="Sh">
<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
<p class="Pp"><code class="Nm">zip_fseek</code>,
<code class="Nm">zip_file_is_seekable</code> — <span class="Nd">seek
in file</span></p>
</section>
<section class="Sh">
<h1 class="Sh" id="LIBRARY"><a class="permalink" href="#LIBRARY">LIBRARY</a></h1>
<p class="Pp">libzip (-lzip)</p>
</section>
<section class="Sh">
<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
<p class="Pp"><code class="In">#include
<<a class="In">zip.h</a>></code></p>
<p class="Pp"><var class="Ft">zip_int8_t</var>
<br/>
<code class="Fn">zip_fseek</code>(<var class="Fa" style="white-space: nowrap;">zip_file_t
*file</var>, <var class="Fa" style="white-space: nowrap;">zip_int64_t
offset</var>, <var class="Fa" style="white-space: nowrap;">int
whence</var>);</p>
<p class="Pp"><var class="Ft">int</var>
<br/>
<code class="Fn">zip_file_is_seekable</code>(<var class="Fa" style="white-space: nowrap;">zip_file_t
*file</var>);</p>
</section>
<section class="Sh">
<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
<p class="Pp">The
<a class="permalink" href="#zip_fseek"><code class="Fn" id="zip_fseek">zip_fseek</code></a>()
function seeks to the specified <var class="Ar">offset</var> relative to
<var class="Ar">whence</var>, just like
<a class="Xr" href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/fseek.html">fseek(3)</a>.</p>
<p class="Pp"><code class="Nm">zip_fseek</code> only works on uncompressed
(stored), unencrypted data. When called on compressed or encrypted data it
will return an error.</p>
<p class="Pp" id="zip_file_is_seekable">The
<a class="permalink" href="#zip_file_is_seekable"><code class="Fn">zip_file_is_seekable</code></a>()
function returns 1 if a file is seekable.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="RETURN_VALUES"><a class="permalink" href="#RETURN_VALUES">RETURN
VALUES</a></h1>
<p class="Pp">If successful, <code class="Fn">zip_fseek</code>() returns 0.
Otherwise, -1 is returned.</p>
<p class="Pp"><code class="Fn">zip_file_is_seekable</code>() returns 1 if a file
is seekable and 0 if not. On an invalid argument, it returns -1.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
ALSO</a></h1>
<p class="Pp"><a class="Xr" href="libzip.html">libzip(3)</a>,
<a class="Xr" href="zip_fclose.html">zip_fclose(3)</a>,
<a class="Xr" href="zip_file_get_error.html">zip_file_get_error(3)</a>,
<a class="Xr" href="zip_fopen.html">zip_fopen(3)</a>,
<a class="Xr" href="zip_fread.html">zip_fread(3)</a>,
<a class="Xr" href="zip_ftell.html">zip_ftell(3)</a></p>
</section>
<section class="Sh">
<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1>
<p class="Pp"><code class="Fn">zip_fseek</code>() was added in libzip 1.2.0.
<code class="Fn">zip_file_is_seekable</code>() was added in libzip
1.9.0.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
<p class="Pp"><span class="An">Dieter Baron</span>
<<a class="Mt" href="mailto:dillo@nih.at">dillo@nih.at</a>> and
<span class="An">Thomas Klausner</span>
<<a class="Mt" href="mailto:wiz@gatalith.at">wiz@gatalith.at</a>></p>
</section>
</div>
<table class="foot">
<tr>
<td class="foot-date">September 11, 2024</td>
<td class="foot-os">NiH</td>
</tr>
</table>
</body>
</html>
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