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<a href="intro.html"><h2>SQLite C Interface</h2></a>
<h2>Low-level system error code</h2>
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<blockquote><pre>
int sqlite3_system_errno(sqlite3*);
</pre></blockquote>
<p>
Attempt to return the underlying operating system error code or error
number that caused the most recent I/O error or failure to open a file.
The return value is OS-dependent. For example, on unix systems, after
<a href="../c3ref/open.html">sqlite3_open_v2()</a> returns <a href="../rescode.html#cantopen">SQLITE_CANTOPEN</a>, this interface could be
called to get back the underlying "errno" that caused the problem, such
as ENOSPC, EAUTH, EISDIR, and so forth.
</p><p>See also lists of
<a href="objlist.html">Objects</a>,
<a href="constlist.html">Constants</a>, and
<a href="funclist.html">Functions</a>.</p>
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