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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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<HTML
><HEAD
><TITLE
>Devices</TITLE
><meta name="MSSmartTagsPreventParsing" content="TRUE">
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NAME="FILEIO-DEVICES">Chapter 28. Devices</H1
><P
>Devices are accessed by means of a pseudo-filesystem, &quot;devfs&quot;, that is
mounted on &quot;/dev&quot;. Open operations are translated into calls to
<TT
CLASS="FUNCTION"
>cyg_io_lookup()</TT
> and if successful result in a file object whose
<TT
CLASS="STRUCTFIELD"
><I
>f_ops</I
></TT
> functions translate filesystem API functions into calls into
the device API.</P
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