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45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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/* Copyright (C) 1992 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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#include <errno.h>
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#include <stddef.h>
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#include <termios.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <sysv_termio.h>
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/* Flush pending data on FD. */
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int
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DEFUN(tcflush, (fd, queue_selector), int fd AND int queue_selector)
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{
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switch (queue_selector)
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{
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case TCIFLUSH:
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return __ioctl (fd, _TCFLSH, 0);
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case TCOFLUSH:
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return __ioctl (fd, _TCFLSH, 1);
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case TCIOFLUSH:
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return __ioctl (fd, _TCFLSH, 2);
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default:
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errno = EINVAL;
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return -1;
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}
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}
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