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 | <!--
  libexplain - Explain errno values returned by libc functions
  Copyright (C) 2009, 2010 Peter Miller
  Written by Peter Miller <pmiller@opensource.org.au>
  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 3 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, see <http://www.gnu.org/licenses/>.
-->
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No Medium Found, 3.0
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This code:
<blockquote><pre>
int fd = explain_open_or_die("some/thing", O_RDONLY, 0);
</pre></blockquote>
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produces this message:
<blockquote><pre>
open(pathname = "some/file", flags = O_RDONLY) failed,
No such file or directory (2, ENOENT) because there is
no "some" directory in the current directory
</pre></blockquote>
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This breaks down into three pieces:
<blockquote>
<i>system-call</i> <tt>failed,</tt>
<i>system-error</i> <tt>because</tt>
<i>explanation</i>
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