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* Copyright (c) 2002-2010 BalaBit IT Ltd, Budapest, Hungary
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* Copyright (c) 1998-2010 Balázs Scheidler
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This 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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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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* As an additional exemption you are allowed to compile & link against the
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* OpenSSL libraries as published by the OpenSSL project. See the file
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* COPYING for details.
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#ifndef HAVE_INET_ATON
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int inet_aton(const char *cp, struct in_addr *addr)
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addr->s_addr = inet_addr(cp);
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if (addr->s_addr == -1)
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static int utent_fd = -1;
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#define _PATH_UTMP "/var/log/utmp"
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struct utmp *getutent(void)
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static struct utmp ut;
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utent_fd = open(_PATH_UTMP, O_RDONLY | O_NOCTTY);
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rc = read(utent_fd, &ut, sizeof(ut));