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diff --git a/include/sane/sanei_config.h b/include/sane/sanei_config.h
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+++ b/include/sane/sanei_config.h
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+/* sane - Scanner Access Now Easy.
+   Copyright (C) 1997 Jeffrey S. Freedman
+   This file is part of the SANE package.
+
+   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 2 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, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA.
+
+   As a special exception, the authors of SANE give permission for
+   additional uses of the libraries contained in this release of SANE.
+
+   The exception is that, if you link a SANE library with other files
+   to produce an executable, this does not by itself cause the
+   resulting executable to be covered by the GNU General Public
+   License.  Your use of that executable is in no way restricted on
+   account of linking the SANE library code into it.
+
+   This exception does not, however, invalidate any other reasons why
+   the executable file might be covered by the GNU General Public
+   License.
+
+   If you submit changes to SANE to the maintainers to be included in
+   a subsequent release, you agree by submitting the changes that
+   those changes may be distributed with this exception intact.
+
+   If you write modifications of your own for SANE, it is your choice
+   whether to permit this exception to apply to your modifications.
+   If you do not wish that, delete this exception notice.
+
+   This file provides generic configuration support.  */
+
+#ifndef sanei_config_h
+
+#include <stdio.h>
+
+extern FILE *sanei_config_open (const char *name);
+extern const char *sanei_config_skip_whitespace (const char *str);
+/* Scan a string constant from the string pointed to by STR and return
+   a malloced copy of it in *STRING_CONST (it's the responsibility of
+   the caller to free the returned string at an appropriate time).
+   Whitespace in front of the string constant is ignored.  Whitespace
+   can be included in the string constant by enclosing it in
+   double-quotes.  A return val of NULL indicates that no string
+   constant was found. */
+extern const char *sanei_config_get_string (const char *str,
+					    char **string_const);
+
+/* A convenience function to support expanding device name patterns
+   into a list of devices.  Apart from a normal device name
+   (such as /dev/sdb), this function currently supports SCSI
+   device specifications of the form:
+
+	scsi VENDOR MODEL TYPE BUS CHANNEL ID LUN
+
+   Where VENDOR is the desired vendor name.  MODEL is the desired
+   MODEL name.  TYPE is the desired device type.  All of these can be
+   set to * to match anything.  To include whitespace in these
+   strings, enclose them in double-quotes (").  BUS, ID, and LUN are
+   the desired SCSI bus, id, and logical-unit numbers.  These can be
+   set to * or simply omitted to match anything.  */
+extern void sanei_config_attach_matching_devices (const char *name,
+						  SANE_Status (*attach)
+						    (const char *dev));
+
+#endif	/* sanei_config_h */