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68 lines
3.0 KiB
C
68 lines
3.0 KiB
C
/****************************************************************************
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* Copyright (c) 1998-2007,2013 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
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* and: Eric S. Raymond <esr@snark.thyrsus.com> *
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* and: Thomas E. Dickey 1996-on *
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****************************************************************************/
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/*
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* clear.c -- clears the terminal's screen
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*/
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#define USE_LIBTINFO
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#include <progs.priv.h>
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MODULE_ID("$Id: clear.c,v 1.13 2013/06/22 22:20:54 tom Exp $")
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static int
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putch(int c)
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{
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return putchar(c);
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}
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int
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main(
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int argc GCC_UNUSED,
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char *argv[]GCC_UNUSED)
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{
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char *E3;
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setupterm((char *) 0, STDOUT_FILENO, (int *) 0);
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/* Clear the scrollback buffer if possible. */
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E3 = tigetstr("E3");
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if (E3)
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(void) tputs(E3, lines > 0 ? lines : 1, putch);
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ExitProgram((tputs(clear_screen, lines > 0 ? lines : 1, putch) == ERR)
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? EXIT_FAILURE
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: EXIT_SUCCESS);
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}
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