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limits_linux_arm.go (41904B)


      1 // Code generated by 'ccgo limits/gen.c -crt-import-path "" -export-defines "" -export-enums "" -export-externs X -export-fields F -export-structs "" -export-typedefs "" -header -hide _OSSwapInt16,_OSSwapInt32,_OSSwapInt64 -o limits/limits_linux_arm.go -pkgname limits', DO NOT EDIT.
      2 
      3 package limits
      4 
      5 import (
      6 	"math"
      7 	"reflect"
      8 	"sync/atomic"
      9 	"unsafe"
     10 )
     11 
     12 var _ = math.Pi
     13 var _ reflect.Kind
     14 var _ atomic.Value
     15 var _ unsafe.Pointer
     16 
     17 const (
     18 	AIO_PRIO_DELTA_MAX                   = 20
     19 	BC_BASE_MAX                          = 99
     20 	BC_DIM_MAX                           = 2048
     21 	BC_SCALE_MAX                         = 99
     22 	BC_STRING_MAX                        = 1000
     23 	CHARCLASS_NAME_MAX                   = 2048
     24 	CHAR_BIT                             = 8
     25 	CHAR_MAX                             = 255
     26 	CHAR_MIN                             = 0
     27 	COLL_WEIGHTS_MAX                     = 255
     28 	DELAYTIMER_MAX                       = 2147483647
     29 	EXPR_NEST_MAX                        = 32
     30 	HOST_NAME_MAX                        = 64
     31 	INT_MAX                              = 2147483647
     32 	INT_MIN                              = -2147483648
     33 	LINE_MAX                             = 2048
     34 	LLONG_MAX                            = 9223372036854775807
     35 	LLONG_MIN                            = -9223372036854775808
     36 	LOGIN_NAME_MAX                       = 256
     37 	LONG_MAX                             = 2147483647
     38 	LONG_MIN                             = -2147483648
     39 	MAX_CANON                            = 255
     40 	MAX_INPUT                            = 255
     41 	MB_LEN_MAX                           = 16
     42 	MQ_PRIO_MAX                          = 32768
     43 	NAME_MAX                             = 255
     44 	NGROUPS_MAX                          = 65536
     45 	PATH_MAX                             = 4096
     46 	PIPE_BUF                             = 4096
     47 	PTHREAD_DESTRUCTOR_ITERATIONS        = 4
     48 	PTHREAD_KEYS_MAX                     = 1024
     49 	PTHREAD_STACK_MIN                    = 16384
     50 	RE_DUP_MAX                           = 32767
     51 	RTSIG_MAX                            = 32
     52 	SCHAR_MAX                            = 127
     53 	SCHAR_MIN                            = -128
     54 	SEM_VALUE_MAX                        = 2147483647
     55 	SHRT_MAX                             = 32767
     56 	SHRT_MIN                             = -32768
     57 	SSIZE_MAX                            = 2147483647
     58 	TTY_NAME_MAX                         = 32
     59 	UCHAR_MAX                            = 255
     60 	UINT_MAX                             = 4294967295
     61 	ULLONG_MAX                           = 18446744073709551615
     62 	ULONG_MAX                            = 4294967295
     63 	USHRT_MAX                            = 65535
     64 	XATTR_LIST_MAX                       = 65536
     65 	XATTR_NAME_MAX                       = 255
     66 	XATTR_SIZE_MAX                       = 65536
     67 	X_ATFILE_SOURCE                      = 1
     68 	X_BITS_POSIX1_LIM_H                  = 1
     69 	X_BITS_POSIX2_LIM_H                  = 1
     70 	X_DEFAULT_SOURCE                     = 1
     71 	X_FEATURES_H                         = 1
     72 	X_FILE_OFFSET_BITS                   = 64
     73 	X_GCC_LIMITS_H_                      = 0
     74 	X_LIBC_LIMITS_H_                     = 1
     75 	X_LIMITS_H___                        = 0
     76 	X_LINUX_LIMITS_H                     = 0
     77 	X_POSIX2_BC_BASE_MAX                 = 99
     78 	X_POSIX2_BC_DIM_MAX                  = 2048
     79 	X_POSIX2_BC_SCALE_MAX                = 99
     80 	X_POSIX2_BC_STRING_MAX               = 1000
     81 	X_POSIX2_CHARCLASS_NAME_MAX          = 14
     82 	X_POSIX2_COLL_WEIGHTS_MAX            = 2
     83 	X_POSIX2_EXPR_NEST_MAX               = 32
     84 	X_POSIX2_LINE_MAX                    = 2048
     85 	X_POSIX2_RE_DUP_MAX                  = 255
     86 	X_POSIX_AIO_LISTIO_MAX               = 2
     87 	X_POSIX_AIO_MAX                      = 1
     88 	X_POSIX_ARG_MAX                      = 4096
     89 	X_POSIX_CHILD_MAX                    = 25
     90 	X_POSIX_CLOCKRES_MIN                 = 20000000
     91 	X_POSIX_C_SOURCE                     = 200809
     92 	X_POSIX_DELAYTIMER_MAX               = 32
     93 	X_POSIX_HOST_NAME_MAX                = 255
     94 	X_POSIX_LINK_MAX                     = 8
     95 	X_POSIX_LOGIN_NAME_MAX               = 9
     96 	X_POSIX_MAX_CANON                    = 255
     97 	X_POSIX_MAX_INPUT                    = 255
     98 	X_POSIX_MQ_OPEN_MAX                  = 8
     99 	X_POSIX_MQ_PRIO_MAX                  = 32
    100 	X_POSIX_NAME_MAX                     = 14
    101 	X_POSIX_NGROUPS_MAX                  = 8
    102 	X_POSIX_OPEN_MAX                     = 20
    103 	X_POSIX_PATH_MAX                     = 256
    104 	X_POSIX_PIPE_BUF                     = 512
    105 	X_POSIX_RE_DUP_MAX                   = 255
    106 	X_POSIX_RTSIG_MAX                    = 8
    107 	X_POSIX_SEM_NSEMS_MAX                = 256
    108 	X_POSIX_SEM_VALUE_MAX                = 32767
    109 	X_POSIX_SIGQUEUE_MAX                 = 32
    110 	X_POSIX_SOURCE                       = 1
    111 	X_POSIX_SSIZE_MAX                    = 32767
    112 	X_POSIX_STREAM_MAX                   = 8
    113 	X_POSIX_SYMLINK_MAX                  = 255
    114 	X_POSIX_SYMLOOP_MAX                  = 8
    115 	X_POSIX_THREAD_DESTRUCTOR_ITERATIONS = 4
    116 	X_POSIX_THREAD_KEYS_MAX              = 128
    117 	X_POSIX_THREAD_THREADS_MAX           = 64
    118 	X_POSIX_TIMER_MAX                    = 32
    119 	X_POSIX_TTY_NAME_MAX                 = 9
    120 	X_POSIX_TZNAME_MAX                   = 6
    121 	X_STDC_PREDEF_H                      = 1
    122 	X_SYS_CDEFS_H                        = 1
    123 	Linux                                = 1
    124 	Unix                                 = 1
    125 )
    126 
    127 type Ptrdiff_t = int32 /* <builtin>:3:26 */
    128 
    129 type Size_t = uint32 /* <builtin>:9:23 */
    130 
    131 type Wchar_t = uint32 /* <builtin>:15:24 */
    132 
    133 type X__builtin_va_list = uintptr /* <builtin>:46:14 */
    134 type X__float128 = float64        /* <builtin>:47:21 */
    135 
    136 // Copyright (C) 1992-2020 Free Software Foundation, Inc.
    137 //
    138 // This file is part of GCC.
    139 //
    140 // GCC is free software; you can redistribute it and/or modify it under
    141 // the terms of the GNU General Public License as published by the Free
    142 // Software Foundation; either version 3, or (at your option) any later
    143 // version.
    144 //
    145 // GCC is distributed in the hope that it will be useful, but WITHOUT ANY
    146 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
    147 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    148 // for more details.
    149 //
    150 // Under Section 7 of GPL version 3, you are granted additional
    151 // permissions described in the GCC Runtime Library Exception, version
    152 // 3.1, as published by the Free Software Foundation.
    153 //
    154 // You should have received a copy of the GNU General Public License and
    155 // a copy of the GCC Runtime Library Exception along with this program;
    156 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    157 // <http://www.gnu.org/licenses/>.
    158 
    159 // This administrivia gets added to the beginning of limits.h
    160 //    if the system has its own version of limits.h.
    161 
    162 // We use _GCC_LIMITS_H_ because we want this not to match
    163 //    any macros that the system's limits.h uses for its own purposes.
    164 
    165 // Use "..." so that we find syslimits.h only in this same directory.
    166 // syslimits.h stands for the system's own limits.h file.
    167 //    If we can use it ok unmodified, then we install this text.
    168 //    If fixincludes fixes it, then the fixed version is installed
    169 //    instead of this text.
    170 
    171 // Copyright (C) 1991-2020 Free Software Foundation, Inc.
    172 //    This file is part of the GNU C Library.
    173 //
    174 //    The GNU C Library is free software; you can redistribute it and/or
    175 //    modify it under the terms of the GNU Lesser General Public
    176 //    License as published by the Free Software Foundation; either
    177 //    version 2.1 of the License, or (at your option) any later version.
    178 //
    179 //    The GNU C Library is distributed in the hope that it will be useful,
    180 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
    181 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    182 //    Lesser General Public License for more details.
    183 //
    184 //    You should have received a copy of the GNU Lesser General Public
    185 //    License along with the GNU C Library; if not, see
    186 //    <https://www.gnu.org/licenses/>.
    187 
    188 //	ISO C99 Standard: 7.10/5.2.4.2.1 Sizes of integer types	<limits.h>
    189 
    190 // Handle feature test macros at the start of a header.
    191 //    Copyright (C) 2016-2020 Free Software Foundation, Inc.
    192 //    This file is part of the GNU C Library.
    193 //
    194 //    The GNU C Library is free software; you can redistribute it and/or
    195 //    modify it under the terms of the GNU Lesser General Public
    196 //    License as published by the Free Software Foundation; either
    197 //    version 2.1 of the License, or (at your option) any later version.
    198 //
    199 //    The GNU C Library is distributed in the hope that it will be useful,
    200 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
    201 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    202 //    Lesser General Public License for more details.
    203 //
    204 //    You should have received a copy of the GNU Lesser General Public
    205 //    License along with the GNU C Library; if not, see
    206 //    <https://www.gnu.org/licenses/>.
    207 
    208 // This header is internal to glibc and should not be included outside
    209 //    of glibc headers.  Headers including it must define
    210 //    __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION first.  This header
    211 //    cannot have multiple include guards because ISO C feature test
    212 //    macros depend on the definition of the macro when an affected
    213 //    header is included, not when the first system header is
    214 //    included.
    215 
    216 // Copyright (C) 1991-2020 Free Software Foundation, Inc.
    217 //    This file is part of the GNU C Library.
    218 //
    219 //    The GNU C Library is free software; you can redistribute it and/or
    220 //    modify it under the terms of the GNU Lesser General Public
    221 //    License as published by the Free Software Foundation; either
    222 //    version 2.1 of the License, or (at your option) any later version.
    223 //
    224 //    The GNU C Library is distributed in the hope that it will be useful,
    225 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
    226 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    227 //    Lesser General Public License for more details.
    228 //
    229 //    You should have received a copy of the GNU Lesser General Public
    230 //    License along with the GNU C Library; if not, see
    231 //    <https://www.gnu.org/licenses/>.
    232 
    233 // These are defined by the user (or the compiler)
    234 //    to specify the desired environment:
    235 //
    236 //    __STRICT_ANSI__	ISO Standard C.
    237 //    _ISOC99_SOURCE	Extensions to ISO C89 from ISO C99.
    238 //    _ISOC11_SOURCE	Extensions to ISO C99 from ISO C11.
    239 //    _ISOC2X_SOURCE	Extensions to ISO C99 from ISO C2X.
    240 //    __STDC_WANT_LIB_EXT2__
    241 // 			Extensions to ISO C99 from TR 27431-2:2010.
    242 //    __STDC_WANT_IEC_60559_BFP_EXT__
    243 // 			Extensions to ISO C11 from TS 18661-1:2014.
    244 //    __STDC_WANT_IEC_60559_FUNCS_EXT__
    245 // 			Extensions to ISO C11 from TS 18661-4:2015.
    246 //    __STDC_WANT_IEC_60559_TYPES_EXT__
    247 // 			Extensions to ISO C11 from TS 18661-3:2015.
    248 //
    249 //    _POSIX_SOURCE	IEEE Std 1003.1.
    250 //    _POSIX_C_SOURCE	If ==1, like _POSIX_SOURCE; if >=2 add IEEE Std 1003.2;
    251 // 			if >=199309L, add IEEE Std 1003.1b-1993;
    252 // 			if >=199506L, add IEEE Std 1003.1c-1995;
    253 // 			if >=200112L, all of IEEE 1003.1-2004
    254 // 			if >=200809L, all of IEEE 1003.1-2008
    255 //    _XOPEN_SOURCE	Includes POSIX and XPG things.  Set to 500 if
    256 // 			Single Unix conformance is wanted, to 600 for the
    257 // 			sixth revision, to 700 for the seventh revision.
    258 //    _XOPEN_SOURCE_EXTENDED XPG things and X/Open Unix extensions.
    259 //    _LARGEFILE_SOURCE	Some more functions for correct standard I/O.
    260 //    _LARGEFILE64_SOURCE	Additional functionality from LFS for large files.
    261 //    _FILE_OFFSET_BITS=N	Select default filesystem interface.
    262 //    _ATFILE_SOURCE	Additional *at interfaces.
    263 //    _GNU_SOURCE		All of the above, plus GNU extensions.
    264 //    _DEFAULT_SOURCE	The default set of features (taking precedence over
    265 // 			__STRICT_ANSI__).
    266 //
    267 //    _FORTIFY_SOURCE	Add security hardening to many library functions.
    268 // 			Set to 1 or 2; 2 performs stricter checks than 1.
    269 //
    270 //    _REENTRANT, _THREAD_SAFE
    271 // 			Obsolete; equivalent to _POSIX_C_SOURCE=199506L.
    272 //
    273 //    The `-ansi' switch to the GNU C compiler, and standards conformance
    274 //    options such as `-std=c99', define __STRICT_ANSI__.  If none of
    275 //    these are defined, or if _DEFAULT_SOURCE is defined, the default is
    276 //    to have _POSIX_SOURCE set to one and _POSIX_C_SOURCE set to
    277 //    200809L, as well as enabling miscellaneous functions from BSD and
    278 //    SVID.  If more than one of these are defined, they accumulate.  For
    279 //    example __STRICT_ANSI__, _POSIX_SOURCE and _POSIX_C_SOURCE together
    280 //    give you ISO C, 1003.1, and 1003.2, but nothing else.
    281 //
    282 //    These are defined by this file and are used by the
    283 //    header files to decide what to declare or define:
    284 //
    285 //    __GLIBC_USE (F)	Define things from feature set F.  This is defined
    286 // 			to 1 or 0; the subsequent macros are either defined
    287 // 			or undefined, and those tests should be moved to
    288 // 			__GLIBC_USE.
    289 //    __USE_ISOC11		Define ISO C11 things.
    290 //    __USE_ISOC99		Define ISO C99 things.
    291 //    __USE_ISOC95		Define ISO C90 AMD1 (C95) things.
    292 //    __USE_ISOCXX11	Define ISO C++11 things.
    293 //    __USE_POSIX		Define IEEE Std 1003.1 things.
    294 //    __USE_POSIX2		Define IEEE Std 1003.2 things.
    295 //    __USE_POSIX199309	Define IEEE Std 1003.1, and .1b things.
    296 //    __USE_POSIX199506	Define IEEE Std 1003.1, .1b, .1c and .1i things.
    297 //    __USE_XOPEN		Define XPG things.
    298 //    __USE_XOPEN_EXTENDED	Define X/Open Unix things.
    299 //    __USE_UNIX98		Define Single Unix V2 things.
    300 //    __USE_XOPEN2K        Define XPG6 things.
    301 //    __USE_XOPEN2KXSI     Define XPG6 XSI things.
    302 //    __USE_XOPEN2K8       Define XPG7 things.
    303 //    __USE_XOPEN2K8XSI    Define XPG7 XSI things.
    304 //    __USE_LARGEFILE	Define correct standard I/O things.
    305 //    __USE_LARGEFILE64	Define LFS things with separate names.
    306 //    __USE_FILE_OFFSET64	Define 64bit interface as default.
    307 //    __USE_MISC		Define things from 4.3BSD or System V Unix.
    308 //    __USE_ATFILE		Define *at interfaces and AT_* constants for them.
    309 //    __USE_GNU		Define GNU extensions.
    310 //    __USE_FORTIFY_LEVEL	Additional security measures used, according to level.
    311 //
    312 //    The macros `__GNU_LIBRARY__', `__GLIBC__', and `__GLIBC_MINOR__' are
    313 //    defined by this file unconditionally.  `__GNU_LIBRARY__' is provided
    314 //    only for compatibility.  All new code should use the other symbols
    315 //    to test for features.
    316 //
    317 //    All macros listed above as possibly being defined by this file are
    318 //    explicitly undefined if they are not explicitly defined.
    319 //    Feature-test macros that are not defined by the user or compiler
    320 //    but are implied by the other feature-test macros defined (or by the
    321 //    lack of any definitions) are defined by the file.
    322 //
    323 //    ISO C feature test macros depend on the definition of the macro
    324 //    when an affected header is included, not when the first system
    325 //    header is included, and so they are handled in
    326 //    <bits/libc-header-start.h>, which does not have a multiple include
    327 //    guard.  Feature test macros that can be handled from the first
    328 //    system header included are handled here.
    329 
    330 // Undefine everything, so we get a clean slate.
    331 
    332 // Suppress kernel-name space pollution unless user expressedly asks
    333 //    for it.
    334 
    335 // Convenience macro to test the version of gcc.
    336 //    Use like this:
    337 //    #if __GNUC_PREREQ (2,8)
    338 //    ... code requiring gcc 2.8 or later ...
    339 //    #endif
    340 //    Note: only works for GCC 2.0 and later, because __GNUC_MINOR__ was
    341 //    added in 2.0.
    342 
    343 // Similarly for clang.  Features added to GCC after version 4.2 may
    344 //    or may not also be available in clang, and clang's definitions of
    345 //    __GNUC(_MINOR)__ are fixed at 4 and 2 respectively.  Not all such
    346 //    features can be queried via __has_extension/__has_feature.
    347 
    348 // Whether to use feature set F.
    349 
    350 // _BSD_SOURCE and _SVID_SOURCE are deprecated aliases for
    351 //    _DEFAULT_SOURCE.  If _DEFAULT_SOURCE is present we do not
    352 //    issue a warning; the expectation is that the source is being
    353 //    transitioned to use the new macro.
    354 
    355 // If _GNU_SOURCE was defined by the user, turn on all the other features.
    356 
    357 // If nothing (other than _GNU_SOURCE and _DEFAULT_SOURCE) is defined,
    358 //    define _DEFAULT_SOURCE.
    359 
    360 // This is to enable the ISO C2X extension.
    361 
    362 // This is to enable the ISO C11 extension.
    363 
    364 // This is to enable the ISO C99 extension.
    365 
    366 // This is to enable the ISO C90 Amendment 1:1995 extension.
    367 
    368 // If none of the ANSI/POSIX macros are defined, or if _DEFAULT_SOURCE
    369 //    is defined, use POSIX.1-2008 (or another version depending on
    370 //    _XOPEN_SOURCE).
    371 
    372 // Some C libraries once required _REENTRANT and/or _THREAD_SAFE to be
    373 //    defined in all multithreaded code.  GNU libc has not required this
    374 //    for many years.  We now treat them as compatibility synonyms for
    375 //    _POSIX_C_SOURCE=199506L, which is the earliest level of POSIX with
    376 //    comprehensive support for multithreaded code.  Using them never
    377 //    lowers the selected level of POSIX conformance, only raises it.
    378 
    379 // The function 'gets' existed in C89, but is impossible to use
    380 //    safely.  It has been removed from ISO C11 and ISO C++14.  Note: for
    381 //    compatibility with various implementations of <cstdio>, this test
    382 //    must consider only the value of __cplusplus when compiling C++.
    383 
    384 // GNU formerly extended the scanf functions with modified format
    385 //    specifiers %as, %aS, and %a[...] that allocate a buffer for the
    386 //    input using malloc.  This extension conflicts with ISO C99, which
    387 //    defines %a as a standalone format specifier that reads a floating-
    388 //    point number; moreover, POSIX.1-2008 provides the same feature
    389 //    using the modifier letter 'm' instead (%ms, %mS, %m[...]).
    390 //
    391 //    We now follow C99 unless GNU extensions are active and the compiler
    392 //    is specifically in C89 or C++98 mode (strict or not).  For
    393 //    instance, with GCC, -std=gnu11 will have C99-compliant scanf with
    394 //    or without -D_GNU_SOURCE, but -std=c89 -D_GNU_SOURCE will have the
    395 //    old extension.
    396 
    397 // Get definitions of __STDC_* predefined macros, if the compiler has
    398 //    not preincluded this header automatically.
    399 // Copyright (C) 1991-2020 Free Software Foundation, Inc.
    400 //    This file is part of the GNU C Library.
    401 //
    402 //    The GNU C Library is free software; you can redistribute it and/or
    403 //    modify it under the terms of the GNU Lesser General Public
    404 //    License as published by the Free Software Foundation; either
    405 //    version 2.1 of the License, or (at your option) any later version.
    406 //
    407 //    The GNU C Library is distributed in the hope that it will be useful,
    408 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
    409 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    410 //    Lesser General Public License for more details.
    411 //
    412 //    You should have received a copy of the GNU Lesser General Public
    413 //    License along with the GNU C Library; if not, see
    414 //    <https://www.gnu.org/licenses/>.
    415 
    416 // This macro indicates that the installed library is the GNU C Library.
    417 //    For historic reasons the value now is 6 and this will stay from now
    418 //    on.  The use of this variable is deprecated.  Use __GLIBC__ and
    419 //    __GLIBC_MINOR__ now (see below) when you want to test for a specific
    420 //    GNU C library version and use the values in <gnu/lib-names.h> to get
    421 //    the sonames of the shared libraries.
    422 
    423 // Major and minor version number of the GNU C library package.  Use
    424 //    these macros to test for features in specific releases.
    425 
    426 // This is here only because every header file already includes this one.
    427 // Copyright (C) 1992-2020 Free Software Foundation, Inc.
    428 //    This file is part of the GNU C Library.
    429 //
    430 //    The GNU C Library is free software; you can redistribute it and/or
    431 //    modify it under the terms of the GNU Lesser General Public
    432 //    License as published by the Free Software Foundation; either
    433 //    version 2.1 of the License, or (at your option) any later version.
    434 //
    435 //    The GNU C Library is distributed in the hope that it will be useful,
    436 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
    437 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    438 //    Lesser General Public License for more details.
    439 //
    440 //    You should have received a copy of the GNU Lesser General Public
    441 //    License along with the GNU C Library; if not, see
    442 //    <https://www.gnu.org/licenses/>.
    443 
    444 // We are almost always included from features.h.
    445 
    446 // The GNU libc does not support any K&R compilers or the traditional mode
    447 //    of ISO C compilers anymore.  Check for some of the combinations not
    448 //    anymore supported.
    449 
    450 // Some user header file might have defined this before.
    451 
    452 // All functions, except those with callbacks or those that
    453 //    synchronize memory, are leaf functions.
    454 
    455 // GCC can always grok prototypes.  For C++ programs we add throw()
    456 //    to help it optimize the function calls.  But this works only with
    457 //    gcc 2.8.x and egcs.  For gcc 3.2 and up we even mark C functions
    458 //    as non-throwing using a function attribute since programs can use
    459 //    the -fexceptions options for C code as well.
    460 
    461 // Compilers that are not clang may object to
    462 //        #if defined __clang__ && __has_extension(...)
    463 //    even though they do not need to evaluate the right-hand side of the &&.
    464 
    465 // These two macros are not used in glibc anymore.  They are kept here
    466 //    only because some other projects expect the macros to be defined.
    467 
    468 // For these things, GCC behaves the ANSI way normally,
    469 //    and the non-ANSI way under -traditional.
    470 
    471 // This is not a typedef so `const __ptr_t' does the right thing.
    472 
    473 // C++ needs to know that types and declarations are C, not C++.
    474 
    475 // Fortify support.
    476 
    477 // Support for flexible arrays.
    478 //    Headers that should use flexible arrays only if they're "real"
    479 //    (e.g. only if they won't affect sizeof()) should test
    480 //    #if __glibc_c99_flexarr_available.
    481 
    482 // __asm__ ("xyz") is used throughout the headers to rename functions
    483 //    at the assembly language level.  This is wrapped by the __REDIRECT
    484 //    macro, in order to support compilers that can do this some other
    485 //    way.  When compilers don't support asm-names at all, we have to do
    486 //    preprocessor tricks instead (which don't have exactly the right
    487 //    semantics, but it's the best we can do).
    488 //
    489 //    Example:
    490 //    int __REDIRECT(setpgrp, (__pid_t pid, __pid_t pgrp), setpgid);
    491 
    492 //
    493 // #elif __SOME_OTHER_COMPILER__
    494 //
    495 // # define __REDIRECT(name, proto, alias) name proto; 	_Pragma("let " #name " = " #alias)
    496 
    497 // GCC has various useful declarations that can be made with the
    498 //    `__attribute__' syntax.  All of the ways we use this do fine if
    499 //    they are omitted for compilers that don't understand it.
    500 
    501 // At some point during the gcc 2.96 development the `malloc' attribute
    502 //    for functions was introduced.  We don't want to use it unconditionally
    503 //    (although this would be possible) since it generates warnings.
    504 
    505 // Tell the compiler which arguments to an allocation function
    506 //    indicate the size of the allocation.
    507 
    508 // At some point during the gcc 2.96 development the `pure' attribute
    509 //    for functions was introduced.  We don't want to use it unconditionally
    510 //    (although this would be possible) since it generates warnings.
    511 
    512 // This declaration tells the compiler that the value is constant.
    513 
    514 // At some point during the gcc 3.1 development the `used' attribute
    515 //    for functions was introduced.  We don't want to use it unconditionally
    516 //    (although this would be possible) since it generates warnings.
    517 
    518 // Since version 3.2, gcc allows marking deprecated functions.
    519 
    520 // Since version 4.5, gcc also allows one to specify the message printed
    521 //    when a deprecated function is used.  clang claims to be gcc 4.2, but
    522 //    may also support this feature.
    523 
    524 // At some point during the gcc 2.8 development the `format_arg' attribute
    525 //    for functions was introduced.  We don't want to use it unconditionally
    526 //    (although this would be possible) since it generates warnings.
    527 //    If several `format_arg' attributes are given for the same function, in
    528 //    gcc-3.0 and older, all but the last one are ignored.  In newer gccs,
    529 //    all designated arguments are considered.
    530 
    531 // At some point during the gcc 2.97 development the `strfmon' format
    532 //    attribute for functions was introduced.  We don't want to use it
    533 //    unconditionally (although this would be possible) since it
    534 //    generates warnings.
    535 
    536 // The nonull function attribute allows to mark pointer parameters which
    537 //    must not be NULL.
    538 
    539 // If fortification mode, we warn about unused results of certain
    540 //    function calls which can lead to problems.
    541 
    542 // Forces a function to be always inlined.
    543 // The Linux kernel defines __always_inline in stddef.h (283d7573), and
    544 //    it conflicts with this definition.  Therefore undefine it first to
    545 //    allow either header to be included first.
    546 
    547 // Associate error messages with the source location of the call site rather
    548 //    than with the source location inside the function.
    549 
    550 // GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99
    551 //    inline semantics, unless -fgnu89-inline is used.  Using __GNUC_STDC_INLINE__
    552 //    or __GNUC_GNU_INLINE is not a good enough check for gcc because gcc versions
    553 //    older than 4.3 may define these macros and still not guarantee GNU inlining
    554 //    semantics.
    555 //
    556 //    clang++ identifies itself as gcc-4.2, but has support for GNU inlining
    557 //    semantics, that can be checked for by using the __GNUC_STDC_INLINE_ and
    558 //    __GNUC_GNU_INLINE__ macro definitions.
    559 
    560 // GCC 4.3 and above allow passing all anonymous arguments of an
    561 //    __extern_always_inline function to some other vararg function.
    562 
    563 // It is possible to compile containing GCC extensions even if GCC is
    564 //    run in pedantic mode if the uses are carefully marked using the
    565 //    `__extension__' keyword.  But this is not generally available before
    566 //    version 2.8.
    567 
    568 // __restrict is known in EGCS 1.2 and above.
    569 
    570 // ISO C99 also allows to declare arrays as non-overlapping.  The syntax is
    571 //      array_name[restrict]
    572 //    GCC 3.1 supports this.
    573 
    574 // Describes a char array whose address can safely be passed as the first
    575 //    argument to strncpy and strncat, as the char array is not necessarily
    576 //    a NUL-terminated string.
    577 
    578 // Undefine (also defined in libc-symbols.h).
    579 // Copies attributes from the declaration or type referenced by
    580 //    the argument.
    581 
    582 // Copyright (C) 1999-2020 Free Software Foundation, Inc.
    583 //    This file is part of the GNU C Library.
    584 //
    585 //    The GNU C Library is free software; you can redistribute it and/or
    586 //    modify it under the terms of the GNU Lesser General Public
    587 //    License as published by the Free Software Foundation; either
    588 //    version 2.1 of the License, or (at your option) any later version.
    589 //
    590 //    The GNU C Library is distributed in the hope that it will be useful,
    591 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
    592 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    593 //    Lesser General Public License for more details.
    594 //
    595 //    You should have received a copy of the GNU Lesser General Public
    596 //    License along with the GNU C Library; if not, see
    597 //    <https://www.gnu.org/licenses/>.
    598 
    599 // Properties of long double type.
    600 //    Copyright (C) 2016-2020 Free Software Foundation, Inc.
    601 //    This file is part of the GNU C Library.
    602 //
    603 //    The GNU C Library is free software; you can redistribute it and/or
    604 //    modify it under the terms of the GNU Lesser General Public
    605 //    License  published by the Free Software Foundation; either
    606 //    version 2.1 of the License, or (at your option) any later version.
    607 //
    608 //    The GNU C Library is distributed in the hope that it will be useful,
    609 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
    610 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    611 //    Lesser General Public License for more details.
    612 //
    613 //    You should have received a copy of the GNU Lesser General Public
    614 //    License along with the GNU C Library; if not, see
    615 //    <https://www.gnu.org/licenses/>.
    616 
    617 // This header is included by <sys/cdefs.h>.
    618 //
    619 //    If long double is ABI-compatible with double, it should define
    620 //    __NO_LONG_DOUBLE_MATH to 1; otherwise, it should leave
    621 //    __NO_LONG_DOUBLE_MATH undefined.
    622 //
    623 //    If this build of the GNU C Library supports both long double
    624 //    ABI-compatible with double and some other long double format not
    625 //    ABI-compatible with double, it should define
    626 //    __LONG_DOUBLE_MATH_OPTIONAL to 1; otherwise, it should leave
    627 //    __LONG_DOUBLE_MATH_OPTIONAL undefined.
    628 //
    629 //    If __NO_LONG_DOUBLE_MATH is already defined, this header must not
    630 //    define anything; this is needed to work with the definition of
    631 //    __NO_LONG_DOUBLE_MATH in nldbl-compat.h.
    632 
    633 // In the default version of this header, long double is
    634 //    ABI-compatible with double.
    635 
    636 // __glibc_macro_warning (MESSAGE) issues warning MESSAGE.  This is
    637 //    intended for use in preprocessor macros.
    638 //
    639 //    Note: MESSAGE must be a _single_ string; concatenation of string
    640 //    literals is not supported.
    641 
    642 // Generic selection (ISO C11) is a C-only feature, available in GCC
    643 //    since version 4.9.  Previous versions do not provide generic
    644 //    selection, even though they might set __STDC_VERSION__ to 201112L,
    645 //    when in -std=c11 mode.  Thus, we must check for !defined __GNUC__
    646 //    when testing __STDC_VERSION__ for generic selection support.
    647 //    On the other hand, Clang also defines __GNUC__, so a clang-specific
    648 //    check is required to enable the use of generic selection.
    649 
    650 // If we don't have __REDIRECT, prototypes will be missing if
    651 //    __USE_FILE_OFFSET64 but not __USE_LARGEFILE[64].
    652 
    653 // Decide whether we can define 'extern inline' functions in headers.
    654 
    655 // This is here only because every header file already includes this one.
    656 //    Get the definitions of all the appropriate `__stub_FUNCTION' symbols.
    657 //    <gnu/stubs.h> contains `#define __stub_FUNCTION' when FUNCTION is a stub
    658 //    that will always return failure (and set errno to ENOSYS).
    659 // This file is automatically generated.
    660 //    This file selects the right generated file of `__stub_FUNCTION' macros
    661 //    based on the architecture being compiled for.
    662 
    663 // This file is automatically generated.
    664 //    It defines a symbol `__stub_FUNCTION' for each function
    665 //    in the C library which is a stub, meaning it will fail
    666 //    every time called, usually setting errno to ENOSYS.
    667 
    668 // ISO/IEC TR 24731-2:2010 defines the __STDC_WANT_LIB_EXT2__
    669 //    macro.
    670 
    671 // ISO/IEC TS 18661-1:2014 defines the __STDC_WANT_IEC_60559_BFP_EXT__
    672 //    macro.  Most but not all symbols enabled by that macro in TS
    673 //    18661-1 are enabled unconditionally in C2X; the symbols in Annex F
    674 //    still require that macro in C2X.
    675 
    676 // ISO/IEC TS 18661-4:2015 defines the
    677 //    __STDC_WANT_IEC_60559_FUNCS_EXT__ macro.  Other than the reduction
    678 //    functions, the symbols from this TS are enabled unconditionally in
    679 //    C2X.
    680 
    681 // ISO/IEC TS 18661-3:2015 defines the
    682 //    __STDC_WANT_IEC_60559_TYPES_EXT__ macro.
    683 
    684 // Maximum length of any multibyte character in any locale.
    685 //    We define this value here since the gcc header does not define
    686 //    the correct value.
    687 
    688 // If we are not using GNU CC we have to define all the symbols ourself.
    689 //    Otherwise use gcc's definitions (see below).
    690 
    691 // Get the compiler's limits.h, which defines almost all the ISO constants.
    692 //
    693 //     We put this #include_next outside the double inclusion check because
    694 //     it should be possible to include this file more than once and still get
    695 //     the definitions from gcc's header.
    696 
    697 // The <limits.h> files in some gcc versions don't define LLONG_MIN,
    698 //    LLONG_MAX, and ULLONG_MAX.  Instead only the values gcc defined for
    699 //    ages are available.
    700 
    701 // The integer width macros are not defined by GCC's <limits.h> before
    702 //    GCC 7, or if _GNU_SOURCE rather than
    703 //    __STDC_WANT_IEC_60559_BFP_EXT__ is used to enable this feature.
    704 
    705 // POSIX adds things to <limits.h>.
    706 // Copyright (C) 1991-2020 Free Software Foundation, Inc.
    707 //    This file is part of the GNU C Library.
    708 //
    709 //    The GNU C Library is free software; you can redistribute it and/or
    710 //    modify it under the terms of the GNU Lesser General Public
    711 //    License as published by the Free Software Foundation; either
    712 //    version 2.1 of the License, or (at your option) any later version.
    713 //
    714 //    The GNU C Library is distributed in the hope that it will be useful,
    715 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
    716 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    717 //    Lesser General Public License for more details.
    718 //
    719 //    You should have received a copy of the GNU Lesser General Public
    720 //    License along with the GNU C Library; if not, see
    721 //    <https://www.gnu.org/licenses/>.
    722 
    723 //	POSIX Standard: 2.9.2 Minimum Values	Added to <limits.h>
    724 //
    725 //	Never include this file directly; use <limits.h> instead.
    726 
    727 // Copyright (C) 1999-2020 Free Software Foundation, Inc.
    728 //    This file is part of the GNU C Library.
    729 //
    730 //    The GNU C Library is free software; you can redistribute it and/or
    731 //    modify it under the terms of the GNU Lesser General Public
    732 //    License as published by the Free Software Foundation; either
    733 //    version 2.1 of the License, or (at your option) any later version.
    734 //
    735 //    The GNU C Library is distributed in the hope that it will be useful,
    736 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
    737 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    738 //    Lesser General Public License for more details.
    739 //
    740 //    You should have received a copy of the GNU Lesser General Public
    741 //    License along with the GNU C Library; if not, see
    742 //    <https://www.gnu.org/licenses/>.
    743 
    744 // These are the standard-mandated minimum values.
    745 
    746 // Minimum number of operations in one list I/O call.
    747 
    748 // Minimal number of outstanding asynchronous I/O operations.
    749 
    750 // Maximum length of arguments to `execve', including environment.
    751 
    752 // Maximum simultaneous processes per real user ID.
    753 
    754 // Minimal number of timer expiration overruns.
    755 
    756 // Maximum length of a host name (not including the terminating null)
    757 //    as returned from the GETHOSTNAME function.
    758 
    759 // Maximum link count of a file.
    760 
    761 // Maximum length of login name.
    762 
    763 // Number of bytes in a terminal canonical input queue.
    764 
    765 // Number of bytes for which space will be
    766 //    available in a terminal input queue.
    767 
    768 // Maximum number of message queues open for a process.
    769 
    770 // Maximum number of supported message priorities.
    771 
    772 // Number of bytes in a filename.
    773 
    774 // Number of simultaneous supplementary group IDs per process.
    775 
    776 // Number of files one process can have open at once.
    777 
    778 // Number of bytes in a pathname.
    779 
    780 // Number of bytes than can be written atomically to a pipe.
    781 
    782 // The number of repeated occurrences of a BRE permitted by the
    783 //    REGEXEC and REGCOMP functions when using the interval notation.
    784 
    785 // Minimal number of realtime signals reserved for the application.
    786 
    787 // Number of semaphores a process can have.
    788 
    789 // Maximal value of a semaphore.
    790 
    791 // Number of pending realtime signals.
    792 
    793 // Largest value of a `ssize_t'.
    794 
    795 // Number of streams a process can have open at once.
    796 
    797 // The number of bytes in a symbolic link.
    798 
    799 // The number of symbolic links that can be traversed in the
    800 //    resolution of a pathname in the absence of a loop.
    801 
    802 // Number of timer for a process.
    803 
    804 // Maximum number of characters in a tty name.
    805 
    806 // Maximum length of a timezone name (element of `tzname').
    807 
    808 // Maximum clock resolution in nanoseconds.
    809 
    810 // Get the implementation-specific values for the above.
    811 // Minimum guaranteed maximum values for system limits.  Linux version.
    812 //    Copyright (C) 1993-2020 Free Software Foundation, Inc.
    813 //    This file is part of the GNU C Library.
    814 //
    815 //    The GNU C Library is free software; you can redistribute it and/or
    816 //    modify it under the terms of the GNU Lesser General Public License as
    817 //    published by the Free Software Foundation; either version 2.1 of the
    818 //    License, or (at your option) any later version.
    819 //
    820 //    The GNU C Library is distributed in the hope that it will be useful,
    821 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
    822 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    823 //    Lesser General Public License for more details.
    824 //
    825 //    You should have received a copy of the GNU Lesser General Public
    826 //    License along with the GNU C Library; see the file COPYING.LIB.  If
    827 //    not, see <https://www.gnu.org/licenses/>.
    828 
    829 // The kernel header pollutes the namespace with the NR_OPEN symbol
    830 //    and defines LINK_MAX although filesystems have different maxima.  A
    831 //    similar thing is true for OPEN_MAX: the limit can be changed at
    832 //    runtime and therefore the macro must not be defined.  Remove this
    833 //    after including the header if necessary.
    834 
    835 // The kernel sources contain a file with all the needed information.
    836 // SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
    837 
    838 // Have to remove NR_OPEN?
    839 // Have to remove LINK_MAX?
    840 // Have to remove OPEN_MAX?
    841 // Have to remove ARG_MAX?
    842 
    843 // The number of data keys per process.
    844 // This is the value this implementation supports.
    845 
    846 // Controlling the iterations of destructors for thread-specific data.
    847 // Number of iterations this implementation does.
    848 
    849 // The number of threads per process.
    850 // We have no predefined limit on the number of threads.
    851 
    852 // Maximum amount by which a process can descrease its asynchronous I/O
    853 //    priority level.
    854 
    855 // Minimum size for a thread.  We are free to choose a reasonable value.
    856 
    857 // Maximum number of timer expiration overruns.
    858 
    859 // Maximum tty name length.
    860 
    861 // Maximum login name length.  This is arbitrary.
    862 
    863 // Maximum host name length.
    864 
    865 // Maximum message queue priority level.
    866 
    867 // Maximum value the semaphore can have.
    868 
    869 // ssize_t is not formally required to be the signed type
    870 //    corresponding to size_t, but it is for all configurations supported
    871 //    by glibc.
    872 
    873 // This value is a guaranteed minimum maximum.
    874 //    The current maximum can be got from `sysconf'.
    875 
    876 // Copyright (C) 1991-2020 Free Software Foundation, Inc.
    877 //    This file is part of the GNU C Library.
    878 //
    879 //    The GNU C Library is free software; you can redistribute it and/or
    880 //    modify it under the terms of the GNU Lesser General Public
    881 //    License as published by the Free Software Foundation; either
    882 //    version 2.1 of the License, or (at your option) any later version.
    883 //
    884 //    The GNU C Library is distributed in the hope that it will be useful,
    885 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
    886 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    887 //    Lesser General Public License for more details.
    888 //
    889 //    You should have received a copy of the GNU Lesser General Public
    890 //    License along with the GNU C Library; if not, see
    891 //    <https://www.gnu.org/licenses/>.
    892 
    893 // Never include this file directly; include <limits.h> instead.
    894 
    895 // The maximum `ibase' and `obase' values allowed by the `bc' utility.
    896 
    897 // The maximum number of elements allowed in an array by the `bc' utility.
    898 
    899 // The maximum `scale' value allowed by the `bc' utility.
    900 
    901 // The maximum length of a string constant accepted by the `bc' utility.
    902 
    903 // The maximum number of weights that can be assigned to an entry of
    904 //    the LC_COLLATE `order' keyword in the locale definition file.
    905 
    906 // The maximum number of expressions that can be nested
    907 //    within parentheses by the `expr' utility.
    908 
    909 // The maximum length, in bytes, of an input line.
    910 
    911 // The maximum number of repeated occurrences of a regular expression
    912 //    permitted when using the interval notation `\{M,N\}'.
    913 
    914 // The maximum number of bytes in a character class name.  We have no
    915 //    fixed limit, 2048 is a high number.
    916 
    917 // These values are implementation-specific,
    918 //    and may vary within the implementation.
    919 //    Their precise values can be obtained from sysconf.
    920 
    921 // This value is defined like this in regex.h.
    922 
    923 // Copyright (C) 1991-2020 Free Software Foundation, Inc.
    924 //
    925 // This file is part of GCC.
    926 //
    927 // GCC is free software; you can redistribute it and/or modify it under
    928 // the terms of the GNU General Public License as published by the Free
    929 // Software Foundation; either version 3, or (at your option) any later
    930 // version.
    931 //
    932 // GCC is distributed in the hope that it will be useful, but WITHOUT ANY
    933 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
    934 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    935 // for more details.
    936 //
    937 // Under Section 7 of GPL version 3, you are granted additional
    938 // permissions described in the GCC Runtime Library Exception, version
    939 // 3.1, as published by the Free Software Foundation.
    940 //
    941 // You should have received a copy of the GNU General Public License and
    942 // a copy of the GCC Runtime Library Exception along with this program;
    943 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    944 // <http://www.gnu.org/licenses/>.
    945 
    946 // Number of bits in a `char'.
    947 
    948 // Maximum length of a multibyte character.
    949 
    950 // Minimum and maximum values a `signed char' can hold.
    951 
    952 // Maximum value an `unsigned char' can hold.  (Minimum is 0).
    953 
    954 // Minimum and maximum values a `char' can hold.
    955 
    956 // Minimum and maximum values a `signed short int' can hold.
    957 
    958 // Maximum value an `unsigned short int' can hold.  (Minimum is 0).
    959 
    960 // Minimum and maximum values a `signed int' can hold.
    961 
    962 // Maximum value an `unsigned int' can hold.  (Minimum is 0).
    963 
    964 // Minimum and maximum values a `signed long int' can hold.
    965 //    (Same as `int').
    966 
    967 // Maximum value an `unsigned long int' can hold.  (Minimum is 0).
    968 
    969 // Minimum and maximum values a `signed long long int' can hold.
    970 
    971 // Maximum value an `unsigned long long int' can hold.  (Minimum is 0).
    972 
    973 // This administrivia gets added to the end of limits.h
    974 //    if the system has its own version of limits.h.
    975 
    976 var _ uint8 /* gen.c:2:13: */