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/* sane - Scanner Access Now Easy.
This file is part of the SANE package.
SANE 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.
SANE 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 sane; see the file COPYING.
If not, see <https://www.gnu.org/licenses/>.
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.
Choose suitable implementation of alloca.
*/
#ifndef lalloca_h
#define lalloca_h
/* The idea how to do this is from the autoconf documentation */
/* AIX requires this to be the first thing in the file. */
#if defined(__GNUC__)
# define alloca __builtin_alloca
#else
# if HAVE_ALLOCA_H
# include <alloca.h>
# else
# ifdef _AIX
#pragma alloca
# else
# ifndef alloca /* predefined by HP cc +Olibcalls */
/* Remap to internal version name as not to conflict with
* other libraries that also add as util to their libraries.
*/
#define alloca sanei_alloca
# if __STDC__
void *alloca ();
# else
char *alloca ();
# endif
# endif
# endif
# endif
#endif
#endif /* lalloca_h */
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