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glibc-1.08.1
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__sysconf.c
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1993-06-25
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/* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <errno.h>
#include <unistd.h>
#include <time.h>
#include <limits.h>
/* Get the value of the system variable NAME. */
long int
DEFUN(__sysconf, (name), int name)
{
switch (name)
{
default:
errno = EINVAL;
return -1;
case _SC_TZNAME_MAX:
return __tzname_max ();
case _SC_ARG_MAX:
case _SC_CHILD_MAX:
case _SC_CLK_TCK:
case _SC_NGROUPS_MAX:
case _SC_OPEN_MAX:
case _SC_JOB_CONTROL:
case _SC_SAVED_IDS:
case _SC_VERSION:
case _SC_BC_BASE_MAX:
case _SC_BC_DIM_MAX:
case _SC_BC_SCALE_MAX:
case _SC_BC_STRING_MAX:
case _SC_EQUIV_CLASS_MAX:
case _SC_EXPR_NEST_MAX:
case _SC_LINE_MAX:
case _SC_RE_DUP_MAX:
case _SC_2_VERSION:
case _SC_2_C_BIND:
case _SC_2_C_DEV:
case _SC_2_FORT_DEV:
case _SC_2_SW_DEV:
break;
}
errno = ENOSYS;
return -1;
}