/* Copyright (C) 1991-2018 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 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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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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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 the GNU C Library; if not, see

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<http://www.gnu.org/licenses/>. */

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/*

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* ISO C99 Standard: 7.10/5.2.4.2.1 Sizes of integer types <limits.h>

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*/

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#ifndef _LIBC_LIMITS_H_

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#define _LIBC_LIMITS_H_ 1

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#define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION

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#include <bits/libc-header-start.h>

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/* Maximum length of any multibyte character in any locale.

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We define this value here since the gcc header does not define

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the correct value. */

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#define MB_LEN_MAX 16

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/* If we are not using GNU CC we have to define all the symbols ourself.

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Otherwise use gcc's definitions (see below). */

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#if !defined __GNUC__ || __GNUC__ < 2

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/* We only protect from multiple inclusion here, because all the other

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#include's protect themselves, and in GCC 2 we may #include_next through

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multiple copies of this file before we get to GCC's. */

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# ifndef _LIMITS_H

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# define _LIMITS_H 1

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#include <bits/wordsize.h>

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/* We don't have #include_next.

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Define ANSI <limits.h> for standard 32-bit words. */

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/* These assume 8-bit `char's, 16-bit `short int's,

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and 32-bit `int's and `long int's. */

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/* Number of bits in a `char'. */

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# define CHAR_BIT 8

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/* Minimum and maximum values a `signed char' can hold. */

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# define SCHAR_MIN (-128)

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# define SCHAR_MAX 127

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/* Maximum value an `unsigned char' can hold. (Minimum is 0.) */

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# define UCHAR_MAX 255

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/* Minimum and maximum values a `char' can hold. */

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# ifdef __CHAR_UNSIGNED__

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# define CHAR_MIN 0

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# define CHAR_MAX UCHAR_MAX

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# else

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# define CHAR_MIN SCHAR_MIN

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# define CHAR_MAX SCHAR_MAX

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# endif

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/* Minimum and maximum values a `signed short int' can hold. */

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# define SHRT_MIN (-32768)

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# define SHRT_MAX 32767

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/* Maximum value an `unsigned short int' can hold. (Minimum is 0.) */

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# define USHRT_MAX 65535

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/* Minimum and maximum values a `signed int' can hold. */

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# define INT_MIN (-INT_MAX - 1)

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# define INT_MAX 2147483647

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/* Maximum value an `unsigned int' can hold. (Minimum is 0.) */

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# define UINT_MAX 4294967295U

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/* Minimum and maximum values a `signed long int' can hold. */

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# if __WORDSIZE == 64

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# define LONG_MAX 9223372036854775807L

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# else

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# define LONG_MAX 2147483647L

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# endif

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# define LONG_MIN (-LONG_MAX - 1L)

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/* Maximum value an `unsigned long int' can hold. (Minimum is 0.) */

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# if __WORDSIZE == 64

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# define ULONG_MAX 18446744073709551615UL

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# else

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# define ULONG_MAX 4294967295UL

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# endif

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# ifdef __USE_ISOC99

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/* Minimum and maximum values a `signed long long int' can hold. */

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# define LLONG_MAX 9223372036854775807LL

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# define LLONG_MIN (-LLONG_MAX - 1LL)

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/* Maximum value an `unsigned long long int' can hold. (Minimum is 0.) */

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# define ULLONG_MAX 18446744073709551615ULL

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# endif /* ISO C99 */

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# endif /* limits.h */

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#endif /* GCC 2. */

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#endif /* !_LIBC_LIMITS_H_ */

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/* Get the compiler's limits.h, which defines almost all the ISO constants.

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We put this #include_next outside the double inclusion check because

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it should be possible to include this file more than once and still get

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the definitions from gcc's header. */

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#if defined __GNUC__ && !defined _GCC_LIMITS_H_

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/* `_GCC_LIMITS_H_' is what GCC's file defines. */

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# include_next <limits.h>

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#endif

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/* The <limits.h> files in some gcc versions don't define LLONG_MIN,

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LLONG_MAX, and ULLONG_MAX. Instead only the values gcc defined for

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ages are available. */

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#if defined __USE_ISOC99 && defined __GNUC__

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# ifndef LLONG_MIN

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# define LLONG_MIN (-LLONG_MAX-1)

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# endif

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# ifndef LLONG_MAX

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# define LLONG_MAX __LONG_LONG_MAX__

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# endif

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# ifndef ULLONG_MAX

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# define ULLONG_MAX (LLONG_MAX * 2ULL + 1)

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# endif

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#endif

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/* The integer width macros are not defined by GCC's <limits.h> before

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GCC 7, or if _GNU_SOURCE rather than

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__STDC_WANT_IEC_60559_BFP_EXT__ is used to enable this feature. */

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#if __GLIBC_USE (IEC_60559_BFP_EXT)

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# ifndef CHAR_WIDTH

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# define CHAR_WIDTH 8

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# endif

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# ifndef SCHAR_WIDTH

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# define SCHAR_WIDTH 8

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# endif

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# ifndef UCHAR_WIDTH

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# define UCHAR_WIDTH 8

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# endif

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# ifndef SHRT_WIDTH

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# define SHRT_WIDTH 16

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# endif

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# ifndef USHRT_WIDTH

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# define USHRT_WIDTH 16

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# endif

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# ifndef INT_WIDTH

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# define INT_WIDTH 32

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# endif

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# ifndef UINT_WIDTH

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# define UINT_WIDTH 32

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# endif

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# ifndef LONG_WIDTH

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# define LONG_WIDTH __WORDSIZE

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# endif

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# ifndef ULONG_WIDTH

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# define ULONG_WIDTH __WORDSIZE

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# endif

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# ifndef LLONG_WIDTH

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# define LLONG_WIDTH 64

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# endif

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# ifndef ULLONG_WIDTH

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# define ULLONG_WIDTH 64

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# endif

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#endif /* Use IEC_60559_BFP_EXT. */

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#ifdef __USE_POSIX

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/* POSIX adds things to <limits.h>. */

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# include <bits/posix1_lim.h>

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#endif

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#ifdef __USE_POSIX2

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# include <bits/posix2_lim.h>

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#endif

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#ifdef __USE_XOPEN

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# include <bits/xopen_lim.h>

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#endif

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