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# Check for setmode, DOS style.
# Copyright (C) 2001, 2002 Free Software Foundation, Inc.
# 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, 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.
AC_DEFUN([AC_FUNC_SETMODE_DOS],
[AC_CHECK_HEADERS(fcntl.h unistd.h)
AC_CACHE_CHECK([for DOS-style setmode],
[ac_cv_func_setmode_dos],
[AC_TRY_LINK(
[#include <io.h>
#if HAVE_FCNTL_H
# include <fcntl.h>
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif],
[int ret = setmode && setmode (1, O_BINARY);],
[ac_cv_func_setmode_dos=yes],
[ac_cv_func_setmode_dos=no])])
if test $ac_cv_func_setmode_dos = yes; then
AC_DEFINE(HAVE_SETMODE_DOS, 1,
[Define to 1 if you have the DOS-style `setmode' function.])
fi])
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