github.com/afumu/libc@v0.0.6/limits/limits_linux_amd64.go (about)

     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 -ignore-unsupported-alignment -o limits/limits_linux_amd64.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                   // local_lim.h:78:1:
    19  	BC_BASE_MAX                          = 99                   // posix2_lim.h:63:1:
    20  	BC_DIM_MAX                           = 2048                 // posix2_lim.h:66:1:
    21  	BC_SCALE_MAX                         = 99                   // posix2_lim.h:69:1:
    22  	BC_STRING_MAX                        = 1000                 // posix2_lim.h:72:1:
    23  	CHARCLASS_NAME_MAX                   = 2048                 // posix2_lim.h:84:1:
    24  	CHAR_BIT                             = 8                    // limits.h:64:1:
    25  	CHAR_MAX                             = 127                  // limits.h:99:1:
    26  	CHAR_MIN                             = -128                 // limits.h:97:1:
    27  	COLL_WEIGHTS_MAX                     = 255                  // posix2_lim.h:75:1:
    28  	DELAYTIMER_MAX                       = 2147483647           // local_lim.h:84:1:
    29  	EXPR_NEST_MAX                        = 32                   // posix2_lim.h:78:1:
    30  	HOST_NAME_MAX                        = 64                   // local_lim.h:93:1:
    31  	INT_MAX                              = 2147483647           // limits.h:120:1:
    32  	INT_MIN                              = -2147483648          // limits.h:118:1:
    33  	LINE_MAX                             = 2048                 // posix2_lim.h:81:1:
    34  	LLONG_MAX                            = 9223372036854775807  // limits.h:142:1:
    35  	LLONG_MIN                            = -9223372036854775808 // limits.h:140:1:
    36  	LOGIN_NAME_MAX                       = 256                  // local_lim.h:90:1:
    37  	LONG_MAX                             = 9223372036854775807  // limits.h:131:1:
    38  	LONG_MIN                             = -9223372036854775808 // limits.h:129:1:
    39  	MAX_CANON                            = 255                  // limits.h:10:1:
    40  	MAX_INPUT                            = 255                  // limits.h:11:1:
    41  	MB_LEN_MAX                           = 16                   // limits.h:32:1:
    42  	MQ_PRIO_MAX                          = 32768                // local_lim.h:96:1:
    43  	NAME_MAX                             = 255                  // limits.h:12:1:
    44  	NGROUPS_MAX                          = 65536                // limits.h:7:1:
    45  	PATH_MAX                             = 4096                 // limits.h:13:1:
    46  	PIPE_BUF                             = 4096                 // limits.h:14:1:
    47  	PTHREAD_DESTRUCTOR_ITERATIONS        = 4                    // local_lim.h:69:1:
    48  	PTHREAD_KEYS_MAX                     = 1024                 // local_lim.h:64:1:
    49  	PTHREAD_STACK_MIN                    = 16384                // local_lim.h:81:1:
    50  	RE_DUP_MAX                           = 32767                // posix2_lim.h:88:1:
    51  	RTSIG_MAX                            = 32                   // limits.h:19:1:
    52  	SCHAR_MAX                            = 127                  // limits.h:75:1:
    53  	SCHAR_MIN                            = -128                 // limits.h:73:1:
    54  	SEM_VALUE_MAX                        = 2147483647           // local_lim.h:99:1:
    55  	SHRT_MAX                             = 32767                // limits.h:106:1:
    56  	SHRT_MIN                             = -32768               // limits.h:104:1:
    57  	SSIZE_MAX                            = 9223372036854775807  // posix1_lim.h:169:1:
    58  	TTY_NAME_MAX                         = 32                   // local_lim.h:87:1:
    59  	UCHAR_MAX                            = 255                  // limits.h:82:1:
    60  	UINT_MAX                             = 4294967295           // limits.h:124:1:
    61  	ULLONG_MAX                           = 18446744073709551615 // limits.h:146:1:
    62  	ULONG_MAX                            = 18446744073709551615 // limits.h:135:1:
    63  	USHRT_MAX                            = 65535                // limits.h:113:1:
    64  	XATTR_LIST_MAX                       = 65536                // limits.h:17:1:
    65  	XATTR_NAME_MAX                       = 255                  // limits.h:15:1:
    66  	XATTR_SIZE_MAX                       = 65536                // limits.h:16:1:
    67  	X_ATFILE_SOURCE                      = 1                    // features.h:342:1:
    68  	X_BITS_POSIX1_LIM_H                  = 1                    // posix1_lim.h:25:1:
    69  	X_BITS_POSIX2_LIM_H                  = 1                    // posix2_lim.h:23:1:
    70  	X_DEFAULT_SOURCE                     = 1                    // features.h:227:1:
    71  	X_FEATURES_H                         = 1                    // features.h:19:1:
    72  	X_FILE_OFFSET_BITS                   = 64                   // <builtin>:25:1:
    73  	X_GCC_LIMITS_H_                      = 0                    // limits.h:30:1:
    74  	X_LIBC_LIMITS_H_                     = 1                    // limits.h:23:1:
    75  	X_LIMITS_H___                        = 0                    // limits.h:60:1:
    76  	X_LINUX_LIMITS_H                     = 0                    // limits.h:3:1:
    77  	X_LP64                               = 1                    // <predefined>:284:1:
    78  	X_POSIX2_BC_BASE_MAX                 = 99                   // posix2_lim.h:27:1:
    79  	X_POSIX2_BC_DIM_MAX                  = 2048                 // posix2_lim.h:30:1:
    80  	X_POSIX2_BC_SCALE_MAX                = 99                   // posix2_lim.h:33:1:
    81  	X_POSIX2_BC_STRING_MAX               = 1000                 // posix2_lim.h:36:1:
    82  	X_POSIX2_CHARCLASS_NAME_MAX          = 14                   // posix2_lim.h:55:1:
    83  	X_POSIX2_COLL_WEIGHTS_MAX            = 2                    // posix2_lim.h:40:1:
    84  	X_POSIX2_EXPR_NEST_MAX               = 32                   // posix2_lim.h:44:1:
    85  	X_POSIX2_LINE_MAX                    = 2048                 // posix2_lim.h:47:1:
    86  	X_POSIX2_RE_DUP_MAX                  = 255                  // posix2_lim.h:51:1:
    87  	X_POSIX_AIO_LISTIO_MAX               = 2                    // posix1_lim.h:32:1:
    88  	X_POSIX_AIO_MAX                      = 1                    // posix1_lim.h:35:1:
    89  	X_POSIX_ARG_MAX                      = 4096                 // posix1_lim.h:38:1:
    90  	X_POSIX_CHILD_MAX                    = 25                   // posix1_lim.h:42:1:
    91  	X_POSIX_CLOCKRES_MIN                 = 20000000             // posix1_lim.h:157:1:
    92  	X_POSIX_C_SOURCE                     = 200809               // features.h:281:1:
    93  	X_POSIX_DELAYTIMER_MAX               = 32                   // posix1_lim.h:48:1:
    94  	X_POSIX_HOST_NAME_MAX                = 255                  // posix1_lim.h:52:1:
    95  	X_POSIX_LINK_MAX                     = 8                    // posix1_lim.h:55:1:
    96  	X_POSIX_LOGIN_NAME_MAX               = 9                    // posix1_lim.h:58:1:
    97  	X_POSIX_MAX_CANON                    = 255                  // posix1_lim.h:61:1:
    98  	X_POSIX_MAX_INPUT                    = 255                  // posix1_lim.h:65:1:
    99  	X_POSIX_MQ_OPEN_MAX                  = 8                    // posix1_lim.h:68:1:
   100  	X_POSIX_MQ_PRIO_MAX                  = 32                   // posix1_lim.h:71:1:
   101  	X_POSIX_NAME_MAX                     = 14                   // posix1_lim.h:74:1:
   102  	X_POSIX_NGROUPS_MAX                  = 8                    // posix1_lim.h:78:1:
   103  	X_POSIX_OPEN_MAX                     = 20                   // posix1_lim.h:85:1:
   104  	X_POSIX_PATH_MAX                     = 256                  // posix1_lim.h:97:1:
   105  	X_POSIX_PIPE_BUF                     = 512                  // posix1_lim.h:100:1:
   106  	X_POSIX_RE_DUP_MAX                   = 255                  // posix1_lim.h:104:1:
   107  	X_POSIX_RTSIG_MAX                    = 8                    // posix1_lim.h:107:1:
   108  	X_POSIX_SEM_NSEMS_MAX                = 256                  // posix1_lim.h:110:1:
   109  	X_POSIX_SEM_VALUE_MAX                = 32767                // posix1_lim.h:113:1:
   110  	X_POSIX_SIGQUEUE_MAX                 = 32                   // posix1_lim.h:116:1:
   111  	X_POSIX_SOURCE                       = 1                    // features.h:279:1:
   112  	X_POSIX_SSIZE_MAX                    = 32767                // posix1_lim.h:119:1:
   113  	X_POSIX_STREAM_MAX                   = 8                    // posix1_lim.h:122:1:
   114  	X_POSIX_SYMLINK_MAX                  = 255                  // posix1_lim.h:125:1:
   115  	X_POSIX_SYMLOOP_MAX                  = 8                    // posix1_lim.h:129:1:
   116  	X_POSIX_THREAD_DESTRUCTOR_ITERATIONS = 4                    // local_lim.h:67:1:
   117  	X_POSIX_THREAD_KEYS_MAX              = 128                  // local_lim.h:62:1:
   118  	X_POSIX_THREAD_THREADS_MAX           = 64                   // local_lim.h:72:1:
   119  	X_POSIX_TIMER_MAX                    = 32                   // posix1_lim.h:132:1:
   120  	X_POSIX_TTY_NAME_MAX                 = 9                    // posix1_lim.h:135:1:
   121  	X_POSIX_TZNAME_MAX                   = 6                    // posix1_lim.h:139:1:
   122  	X_STDC_PREDEF_H                      = 1                    // <predefined>:162:1:
   123  	X_SYS_CDEFS_H                        = 1                    // cdefs.h:19:1:
   124  	Linux                                = 1                    // <predefined>:231:1:
   125  	Unix                                 = 1                    // <predefined>:177:1:
   126  )
   127  
   128  type Ptrdiff_t = int64 /* <builtin>:3:26 */
   129  
   130  type Size_t = uint64 /* <builtin>:9:23 */
   131  
   132  type Wchar_t = int32 /* <builtin>:15:24 */
   133  
   134  type X__int128_t = struct {
   135  	Flo int64
   136  	Fhi int64
   137  } /* <builtin>:21:43 */ // must match modernc.org/mathutil.Int128
   138  type X__uint128_t = struct {
   139  	Flo uint64
   140  	Fhi uint64
   141  } /* <builtin>:22:44 */ // must match modernc.org/mathutil.Int128
   142  
   143  type X__builtin_va_list = uintptr /* <builtin>:46:14 */
   144  type X__float128 = float64        /* <builtin>:47:21 */
   145  
   146  // Copyright (C) 1992-2020 Free Software Foundation, Inc.
   147  //
   148  // This file is part of GCC.
   149  //
   150  // GCC is free software; you can redistribute it and/or modify it under
   151  // the terms of the GNU General Public License as published by the Free
   152  // Software Foundation; either version 3, or (at your option) any later
   153  // version.
   154  //
   155  // GCC is distributed in the hope that it will be useful, but WITHOUT ANY
   156  // WARRANTY; without even the implied warranty of MERCHANTABILITY or
   157  // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   158  // for more details.
   159  //
   160  // Under Section 7 of GPL version 3, you are granted additional
   161  // permissions described in the GCC Runtime Library Exception, version
   162  // 3.1, as published by the Free Software Foundation.
   163  //
   164  // You should have received a copy of the GNU General Public License and
   165  // a copy of the GCC Runtime Library Exception along with this program;
   166  // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
   167  // <http://www.gnu.org/licenses/>.
   168  
   169  // This administrivia gets added to the beginning of limits.h
   170  //    if the system has its own version of limits.h.
   171  
   172  // We use _GCC_LIMITS_H_ because we want this not to match
   173  //    any macros that the system's limits.h uses for its own purposes.
   174  
   175  // Use "..." so that we find syslimits.h only in this same directory.
   176  // syslimits.h stands for the system's own limits.h file.
   177  //    If we can use it ok unmodified, then we install this text.
   178  //    If fixincludes fixes it, then the fixed version is installed
   179  //    instead of this text.
   180  
   181  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   182  //    This file is part of the GNU C Library.
   183  //
   184  //    The GNU C Library is free software; you can redistribute it and/or
   185  //    modify it under the terms of the GNU Lesser General Public
   186  //    License as published by the Free Software Foundation; either
   187  //    version 2.1 of the License, or (at your option) any later version.
   188  //
   189  //    The GNU C Library is distributed in the hope that it will be useful,
   190  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   191  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   192  //    Lesser General Public License for more details.
   193  //
   194  //    You should have received a copy of the GNU Lesser General Public
   195  //    License along with the GNU C Library; if not, see
   196  //    <https://www.gnu.org/licenses/>.
   197  
   198  //	ISO C99 Standard: 7.10/5.2.4.2.1 Sizes of integer types	<limits.h>
   199  
   200  // Handle feature test macros at the start of a header.
   201  //    Copyright (C) 2016-2020 Free Software Foundation, Inc.
   202  //    This file is part of the GNU C Library.
   203  //
   204  //    The GNU C Library is free software; you can redistribute it and/or
   205  //    modify it under the terms of the GNU Lesser General Public
   206  //    License as published by the Free Software Foundation; either
   207  //    version 2.1 of the License, or (at your option) any later version.
   208  //
   209  //    The GNU C Library is distributed in the hope that it will be useful,
   210  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   211  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   212  //    Lesser General Public License for more details.
   213  //
   214  //    You should have received a copy of the GNU Lesser General Public
   215  //    License along with the GNU C Library; if not, see
   216  //    <https://www.gnu.org/licenses/>.
   217  
   218  // This header is internal to glibc and should not be included outside
   219  //    of glibc headers.  Headers including it must define
   220  //    __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION first.  This header
   221  //    cannot have multiple include guards because ISO C feature test
   222  //    macros depend on the definition of the macro when an affected
   223  //    header is included, not when the first system header is
   224  //    included.
   225  
   226  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   227  //    This file is part of the GNU C Library.
   228  //
   229  //    The GNU C Library is free software; you can redistribute it and/or
   230  //    modify it under the terms of the GNU Lesser General Public
   231  //    License as published by the Free Software Foundation; either
   232  //    version 2.1 of the License, or (at your option) any later version.
   233  //
   234  //    The GNU C Library is distributed in the hope that it will be useful,
   235  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   236  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   237  //    Lesser General Public License for more details.
   238  //
   239  //    You should have received a copy of the GNU Lesser General Public
   240  //    License along with the GNU C Library; if not, see
   241  //    <https://www.gnu.org/licenses/>.
   242  
   243  // These are defined by the user (or the compiler)
   244  //    to specify the desired environment:
   245  //
   246  //    __STRICT_ANSI__	ISO Standard C.
   247  //    _ISOC99_SOURCE	Extensions to ISO C89 from ISO C99.
   248  //    _ISOC11_SOURCE	Extensions to ISO C99 from ISO C11.
   249  //    _ISOC2X_SOURCE	Extensions to ISO C99 from ISO C2X.
   250  //    __STDC_WANT_LIB_EXT2__
   251  // 			Extensions to ISO C99 from TR 27431-2:2010.
   252  //    __STDC_WANT_IEC_60559_BFP_EXT__
   253  // 			Extensions to ISO C11 from TS 18661-1:2014.
   254  //    __STDC_WANT_IEC_60559_FUNCS_EXT__
   255  // 			Extensions to ISO C11 from TS 18661-4:2015.
   256  //    __STDC_WANT_IEC_60559_TYPES_EXT__
   257  // 			Extensions to ISO C11 from TS 18661-3:2015.
   258  //
   259  //    _POSIX_SOURCE	IEEE Std 1003.1.
   260  //    _POSIX_C_SOURCE	If ==1, like _POSIX_SOURCE; if >=2 add IEEE Std 1003.2;
   261  // 			if >=199309L, add IEEE Std 1003.1b-1993;
   262  // 			if >=199506L, add IEEE Std 1003.1c-1995;
   263  // 			if >=200112L, all of IEEE 1003.1-2004
   264  // 			if >=200809L, all of IEEE 1003.1-2008
   265  //    _XOPEN_SOURCE	Includes POSIX and XPG things.  Set to 500 if
   266  // 			Single Unix conformance is wanted, to 600 for the
   267  // 			sixth revision, to 700 for the seventh revision.
   268  //    _XOPEN_SOURCE_EXTENDED XPG things and X/Open Unix extensions.
   269  //    _LARGEFILE_SOURCE	Some more functions for correct standard I/O.
   270  //    _LARGEFILE64_SOURCE	Additional functionality from LFS for large files.
   271  //    _FILE_OFFSET_BITS=N	Select default filesystem interface.
   272  //    _ATFILE_SOURCE	Additional *at interfaces.
   273  //    _GNU_SOURCE		All of the above, plus GNU extensions.
   274  //    _DEFAULT_SOURCE	The default set of features (taking precedence over
   275  // 			__STRICT_ANSI__).
   276  //
   277  //    _FORTIFY_SOURCE	Add security hardening to many library functions.
   278  // 			Set to 1 or 2; 2 performs stricter checks than 1.
   279  //
   280  //    _REENTRANT, _THREAD_SAFE
   281  // 			Obsolete; equivalent to _POSIX_C_SOURCE=199506L.
   282  //
   283  //    The `-ansi' switch to the GNU C compiler, and standards conformance
   284  //    options such as `-std=c99', define __STRICT_ANSI__.  If none of
   285  //    these are defined, or if _DEFAULT_SOURCE is defined, the default is
   286  //    to have _POSIX_SOURCE set to one and _POSIX_C_SOURCE set to
   287  //    200809L, as well as enabling miscellaneous functions from BSD and
   288  //    SVID.  If more than one of these are defined, they accumulate.  For
   289  //    example __STRICT_ANSI__, _POSIX_SOURCE and _POSIX_C_SOURCE together
   290  //    give you ISO C, 1003.1, and 1003.2, but nothing else.
   291  //
   292  //    These are defined by this file and are used by the
   293  //    header files to decide what to declare or define:
   294  //
   295  //    __GLIBC_USE (F)	Define things from feature set F.  This is defined
   296  // 			to 1 or 0; the subsequent macros are either defined
   297  // 			or undefined, and those tests should be moved to
   298  // 			__GLIBC_USE.
   299  //    __USE_ISOC11		Define ISO C11 things.
   300  //    __USE_ISOC99		Define ISO C99 things.
   301  //    __USE_ISOC95		Define ISO C90 AMD1 (C95) things.
   302  //    __USE_ISOCXX11	Define ISO C++11 things.
   303  //    __USE_POSIX		Define IEEE Std 1003.1 things.
   304  //    __USE_POSIX2		Define IEEE Std 1003.2 things.
   305  //    __USE_POSIX199309	Define IEEE Std 1003.1, and .1b things.
   306  //    __USE_POSIX199506	Define IEEE Std 1003.1, .1b, .1c and .1i things.
   307  //    __USE_XOPEN		Define XPG things.
   308  //    __USE_XOPEN_EXTENDED	Define X/Open Unix things.
   309  //    __USE_UNIX98		Define Single Unix V2 things.
   310  //    __USE_XOPEN2K        Define XPG6 things.
   311  //    __USE_XOPEN2KXSI     Define XPG6 XSI things.
   312  //    __USE_XOPEN2K8       Define XPG7 things.
   313  //    __USE_XOPEN2K8XSI    Define XPG7 XSI things.
   314  //    __USE_LARGEFILE	Define correct standard I/O things.
   315  //    __USE_LARGEFILE64	Define LFS things with separate names.
   316  //    __USE_FILE_OFFSET64	Define 64bit interface as default.
   317  //    __USE_MISC		Define things from 4.3BSD or System V Unix.
   318  //    __USE_ATFILE		Define *at interfaces and AT_* constants for them.
   319  //    __USE_GNU		Define GNU extensions.
   320  //    __USE_FORTIFY_LEVEL	Additional security measures used, according to level.
   321  //
   322  //    The macros `__GNU_LIBRARY__', `__GLIBC__', and `__GLIBC_MINOR__' are
   323  //    defined by this file unconditionally.  `__GNU_LIBRARY__' is provided
   324  //    only for compatibility.  All new code should use the other symbols
   325  //    to test for features.
   326  //
   327  //    All macros listed above as possibly being defined by this file are
   328  //    explicitly undefined if they are not explicitly defined.
   329  //    Feature-test macros that are not defined by the user or compiler
   330  //    but are implied by the other feature-test macros defined (or by the
   331  //    lack of any definitions) are defined by the file.
   332  //
   333  //    ISO C feature test macros depend on the definition of the macro
   334  //    when an affected header is included, not when the first system
   335  //    header is included, and so they are handled in
   336  //    <bits/libc-header-start.h>, which does not have a multiple include
   337  //    guard.  Feature test macros that can be handled from the first
   338  //    system header included are handled here.
   339  
   340  // Undefine everything, so we get a clean slate.
   341  
   342  // Suppress kernel-name space pollution unless user expressedly asks
   343  //    for it.
   344  
   345  // Convenience macro to test the version of gcc.
   346  //    Use like this:
   347  //    #if __GNUC_PREREQ (2,8)
   348  //    ... code requiring gcc 2.8 or later ...
   349  //    #endif
   350  //    Note: only works for GCC 2.0 and later, because __GNUC_MINOR__ was
   351  //    added in 2.0.
   352  
   353  // Similarly for clang.  Features added to GCC after version 4.2 may
   354  //    or may not also be available in clang, and clang's definitions of
   355  //    __GNUC(_MINOR)__ are fixed at 4 and 2 respectively.  Not all such
   356  //    features can be queried via __has_extension/__has_feature.
   357  
   358  // Whether to use feature set F.
   359  
   360  // _BSD_SOURCE and _SVID_SOURCE are deprecated aliases for
   361  //    _DEFAULT_SOURCE.  If _DEFAULT_SOURCE is present we do not
   362  //    issue a warning; the expectation is that the source is being
   363  //    transitioned to use the new macro.
   364  
   365  // If _GNU_SOURCE was defined by the user, turn on all the other features.
   366  
   367  // If nothing (other than _GNU_SOURCE and _DEFAULT_SOURCE) is defined,
   368  //    define _DEFAULT_SOURCE.
   369  
   370  // This is to enable the ISO C2X extension.
   371  
   372  // This is to enable the ISO C11 extension.
   373  
   374  // This is to enable the ISO C99 extension.
   375  
   376  // This is to enable the ISO C90 Amendment 1:1995 extension.
   377  
   378  // If none of the ANSI/POSIX macros are defined, or if _DEFAULT_SOURCE
   379  //    is defined, use POSIX.1-2008 (or another version depending on
   380  //    _XOPEN_SOURCE).
   381  
   382  // Some C libraries once required _REENTRANT and/or _THREAD_SAFE to be
   383  //    defined in all multithreaded code.  GNU libc has not required this
   384  //    for many years.  We now treat them as compatibility synonyms for
   385  //    _POSIX_C_SOURCE=199506L, which is the earliest level of POSIX with
   386  //    comprehensive support for multithreaded code.  Using them never
   387  //    lowers the selected level of POSIX conformance, only raises it.
   388  
   389  // The function 'gets' existed in C89, but is impossible to use
   390  //    safely.  It has been removed from ISO C11 and ISO C++14.  Note: for
   391  //    compatibility with various implementations of <cstdio>, this test
   392  //    must consider only the value of __cplusplus when compiling C++.
   393  
   394  // GNU formerly extended the scanf functions with modified format
   395  //    specifiers %as, %aS, and %a[...] that allocate a buffer for the
   396  //    input using malloc.  This extension conflicts with ISO C99, which
   397  //    defines %a as a standalone format specifier that reads a floating-
   398  //    point number; moreover, POSIX.1-2008 provides the same feature
   399  //    using the modifier letter 'm' instead (%ms, %mS, %m[...]).
   400  //
   401  //    We now follow C99 unless GNU extensions are active and the compiler
   402  //    is specifically in C89 or C++98 mode (strict or not).  For
   403  //    instance, with GCC, -std=gnu11 will have C99-compliant scanf with
   404  //    or without -D_GNU_SOURCE, but -std=c89 -D_GNU_SOURCE will have the
   405  //    old extension.
   406  
   407  // Get definitions of __STDC_* predefined macros, if the compiler has
   408  //    not preincluded this header automatically.
   409  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   410  //    This file is part of the GNU C Library.
   411  //
   412  //    The GNU C Library is free software; you can redistribute it and/or
   413  //    modify it under the terms of the GNU Lesser General Public
   414  //    License as published by the Free Software Foundation; either
   415  //    version 2.1 of the License, or (at your option) any later version.
   416  //
   417  //    The GNU C Library is distributed in the hope that it will be useful,
   418  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   419  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   420  //    Lesser General Public License for more details.
   421  //
   422  //    You should have received a copy of the GNU Lesser General Public
   423  //    License along with the GNU C Library; if not, see
   424  //    <https://www.gnu.org/licenses/>.
   425  
   426  // This macro indicates that the installed library is the GNU C Library.
   427  //    For historic reasons the value now is 6 and this will stay from now
   428  //    on.  The use of this variable is deprecated.  Use __GLIBC__ and
   429  //    __GLIBC_MINOR__ now (see below) when you want to test for a specific
   430  //    GNU C library version and use the values in <gnu/lib-names.h> to get
   431  //    the sonames of the shared libraries.
   432  
   433  // Major and minor version number of the GNU C library package.  Use
   434  //    these macros to test for features in specific releases.
   435  
   436  // This is here only because every header file already includes this one.
   437  // Copyright (C) 1992-2020 Free Software Foundation, Inc.
   438  //    This file is part of the GNU C Library.
   439  //
   440  //    The GNU C Library is free software; you can redistribute it and/or
   441  //    modify it under the terms of the GNU Lesser General Public
   442  //    License as published by the Free Software Foundation; either
   443  //    version 2.1 of the License, or (at your option) any later version.
   444  //
   445  //    The GNU C Library is distributed in the hope that it will be useful,
   446  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   447  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   448  //    Lesser General Public License for more details.
   449  //
   450  //    You should have received a copy of the GNU Lesser General Public
   451  //    License along with the GNU C Library; if not, see
   452  //    <https://www.gnu.org/licenses/>.
   453  
   454  // We are almost always included from features.h.
   455  
   456  // The GNU libc does not support any K&R compilers or the traditional mode
   457  //    of ISO C compilers anymore.  Check for some of the combinations not
   458  //    anymore supported.
   459  
   460  // Some user header file might have defined this before.
   461  
   462  // All functions, except those with callbacks or those that
   463  //    synchronize memory, are leaf functions.
   464  
   465  // GCC can always grok prototypes.  For C++ programs we add throw()
   466  //    to help it optimize the function calls.  But this works only with
   467  //    gcc 2.8.x and egcs.  For gcc 3.2 and up we even mark C functions
   468  //    as non-throwing using a function attribute since programs can use
   469  //    the -fexceptions options for C code as well.
   470  
   471  // Compilers that are not clang may object to
   472  //        #if defined __clang__ && __has_extension(...)
   473  //    even though they do not need to evaluate the right-hand side of the &&.
   474  
   475  // These two macros are not used in glibc anymore.  They are kept here
   476  //    only because some other projects expect the macros to be defined.
   477  
   478  // For these things, GCC behaves the ANSI way normally,
   479  //    and the non-ANSI way under -traditional.
   480  
   481  // This is not a typedef so `const __ptr_t' does the right thing.
   482  
   483  // C++ needs to know that types and declarations are C, not C++.
   484  
   485  // Fortify support.
   486  
   487  // Support for flexible arrays.
   488  //    Headers that should use flexible arrays only if they're "real"
   489  //    (e.g. only if they won't affect sizeof()) should test
   490  //    #if __glibc_c99_flexarr_available.
   491  
   492  // __asm__ ("xyz") is used throughout the headers to rename functions
   493  //    at the assembly language level.  This is wrapped by the __REDIRECT
   494  //    macro, in order to support compilers that can do this some other
   495  //    way.  When compilers don't support asm-names at all, we have to do
   496  //    preprocessor tricks instead (which don't have exactly the right
   497  //    semantics, but it's the best we can do).
   498  //
   499  //    Example:
   500  //    int __REDIRECT(setpgrp, (__pid_t pid, __pid_t pgrp), setpgid);
   501  
   502  //
   503  // #elif __SOME_OTHER_COMPILER__
   504  //
   505  // # define __REDIRECT(name, proto, alias) name proto; 	_Pragma("let " #name " = " #alias)
   506  
   507  // GCC has various useful declarations that can be made with the
   508  //    `__attribute__' syntax.  All of the ways we use this do fine if
   509  //    they are omitted for compilers that don't understand it.
   510  
   511  // At some point during the gcc 2.96 development the `malloc' attribute
   512  //    for functions was introduced.  We don't want to use it unconditionally
   513  //    (although this would be possible) since it generates warnings.
   514  
   515  // Tell the compiler which arguments to an allocation function
   516  //    indicate the size of the allocation.
   517  
   518  // At some point during the gcc 2.96 development the `pure' attribute
   519  //    for functions was introduced.  We don't want to use it unconditionally
   520  //    (although this would be possible) since it generates warnings.
   521  
   522  // This declaration tells the compiler that the value is constant.
   523  
   524  // At some point during the gcc 3.1 development the `used' 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  
   528  // Since version 3.2, gcc allows marking deprecated functions.
   529  
   530  // Since version 4.5, gcc also allows one to specify the message printed
   531  //    when a deprecated function is used.  clang claims to be gcc 4.2, but
   532  //    may also support this feature.
   533  
   534  // At some point during the gcc 2.8 development the `format_arg' attribute
   535  //    for functions was introduced.  We don't want to use it unconditionally
   536  //    (although this would be possible) since it generates warnings.
   537  //    If several `format_arg' attributes are given for the same function, in
   538  //    gcc-3.0 and older, all but the last one are ignored.  In newer gccs,
   539  //    all designated arguments are considered.
   540  
   541  // At some point during the gcc 2.97 development the `strfmon' format
   542  //    attribute for functions was introduced.  We don't want to use it
   543  //    unconditionally (although this would be possible) since it
   544  //    generates warnings.
   545  
   546  // The nonull function attribute allows to mark pointer parameters which
   547  //    must not be NULL.
   548  
   549  // If fortification mode, we warn about unused results of certain
   550  //    function calls which can lead to problems.
   551  
   552  // Forces a function to be always inlined.
   553  // The Linux kernel defines __always_inline in stddef.h (283d7573), and
   554  //    it conflicts with this definition.  Therefore undefine it first to
   555  //    allow either header to be included first.
   556  
   557  // Associate error messages with the source location of the call site rather
   558  //    than with the source location inside the function.
   559  
   560  // GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99
   561  //    inline semantics, unless -fgnu89-inline is used.  Using __GNUC_STDC_INLINE__
   562  //    or __GNUC_GNU_INLINE is not a good enough check for gcc because gcc versions
   563  //    older than 4.3 may define these macros and still not guarantee GNU inlining
   564  //    semantics.
   565  //
   566  //    clang++ identifies itself as gcc-4.2, but has support for GNU inlining
   567  //    semantics, that can be checked for by using the __GNUC_STDC_INLINE_ and
   568  //    __GNUC_GNU_INLINE__ macro definitions.
   569  
   570  // GCC 4.3 and above allow passing all anonymous arguments of an
   571  //    __extern_always_inline function to some other vararg function.
   572  
   573  // It is possible to compile containing GCC extensions even if GCC is
   574  //    run in pedantic mode if the uses are carefully marked using the
   575  //    `__extension__' keyword.  But this is not generally available before
   576  //    version 2.8.
   577  
   578  // __restrict is known in EGCS 1.2 and above.
   579  
   580  // ISO C99 also allows to declare arrays as non-overlapping.  The syntax is
   581  //      array_name[restrict]
   582  //    GCC 3.1 supports this.
   583  
   584  // Describes a char array whose address can safely be passed as the first
   585  //    argument to strncpy and strncat, as the char array is not necessarily
   586  //    a NUL-terminated string.
   587  
   588  // Undefine (also defined in libc-symbols.h).
   589  // Copies attributes from the declaration or type referenced by
   590  //    the argument.
   591  
   592  // Determine the wordsize from the preprocessor defines.
   593  
   594  // Both x86-64 and x32 use the 64-bit system call interface.
   595  // Properties of long double type.  ldbl-96 version.
   596  //    Copyright (C) 2016-2020 Free Software Foundation, Inc.
   597  //    This file is part of the GNU C Library.
   598  //
   599  //    The GNU C Library is free software; you can redistribute it and/or
   600  //    modify it under the terms of the GNU Lesser General Public
   601  //    License  published by the Free Software Foundation; either
   602  //    version 2.1 of the License, or (at your option) any later version.
   603  //
   604  //    The GNU C Library is distributed in the hope that it will be useful,
   605  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   606  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   607  //    Lesser General Public License for more details.
   608  //
   609  //    You should have received a copy of the GNU Lesser General Public
   610  //    License along with the GNU C Library; if not, see
   611  //    <https://www.gnu.org/licenses/>.
   612  
   613  // long double is distinct from double, so there is nothing to
   614  //    define here.
   615  
   616  // __glibc_macro_warning (MESSAGE) issues warning MESSAGE.  This is
   617  //    intended for use in preprocessor macros.
   618  //
   619  //    Note: MESSAGE must be a _single_ string; concatenation of string
   620  //    literals is not supported.
   621  
   622  // Generic selection (ISO C11) is a C-only feature, available in GCC
   623  //    since version 4.9.  Previous versions do not provide generic
   624  //    selection, even though they might set __STDC_VERSION__ to 201112L,
   625  //    when in -std=c11 mode.  Thus, we must check for !defined __GNUC__
   626  //    when testing __STDC_VERSION__ for generic selection support.
   627  //    On the other hand, Clang also defines __GNUC__, so a clang-specific
   628  //    check is required to enable the use of generic selection.
   629  
   630  // If we don't have __REDIRECT, prototypes will be missing if
   631  //    __USE_FILE_OFFSET64 but not __USE_LARGEFILE[64].
   632  
   633  // Decide whether we can define 'extern inline' functions in headers.
   634  
   635  // This is here only because every header file already includes this one.
   636  //    Get the definitions of all the appropriate `__stub_FUNCTION' symbols.
   637  //    <gnu/stubs.h> contains `#define __stub_FUNCTION' when FUNCTION is a stub
   638  //    that will always return failure (and set errno to ENOSYS).
   639  // This file is automatically generated.
   640  //    This file selects the right generated file of `__stub_FUNCTION' macros
   641  //    based on the architecture being compiled for.
   642  
   643  // This file is automatically generated.
   644  //    It defines a symbol `__stub_FUNCTION' for each function
   645  //    in the C library which is a stub, meaning it will fail
   646  //    every time called, usually setting errno to ENOSYS.
   647  
   648  // ISO/IEC TR 24731-2:2010 defines the __STDC_WANT_LIB_EXT2__
   649  //    macro.
   650  
   651  // ISO/IEC TS 18661-1:2014 defines the __STDC_WANT_IEC_60559_BFP_EXT__
   652  //    macro.  Most but not all symbols enabled by that macro in TS
   653  //    18661-1 are enabled unconditionally in C2X; the symbols in Annex F
   654  //    still require that macro in C2X.
   655  
   656  // ISO/IEC TS 18661-4:2015 defines the
   657  //    __STDC_WANT_IEC_60559_FUNCS_EXT__ macro.  Other than the reduction
   658  //    functions, the symbols from this TS are enabled unconditionally in
   659  //    C2X.
   660  
   661  // ISO/IEC TS 18661-3:2015 defines the
   662  //    __STDC_WANT_IEC_60559_TYPES_EXT__ macro.
   663  
   664  // Maximum length of any multibyte character in any locale.
   665  //    We define this value here since the gcc header does not define
   666  //    the correct value.
   667  
   668  // If we are not using GNU CC we have to define all the symbols ourself.
   669  //    Otherwise use gcc's definitions (see below).
   670  
   671  // Get the compiler's limits.h, which defines almost all the ISO constants.
   672  //
   673  //     We put this #include_next outside the double inclusion check because
   674  //     it should be possible to include this file more than once and still get
   675  //     the definitions from gcc's header.
   676  
   677  // The <limits.h> files in some gcc versions don't define LLONG_MIN,
   678  //    LLONG_MAX, and ULLONG_MAX.  Instead only the values gcc defined for
   679  //    ages are available.
   680  
   681  // The integer width macros are not defined by GCC's <limits.h> before
   682  //    GCC 7, or if _GNU_SOURCE rather than
   683  //    __STDC_WANT_IEC_60559_BFP_EXT__ is used to enable this feature.
   684  
   685  // POSIX adds things to <limits.h>.
   686  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   687  //    This file is part of the GNU C Library.
   688  //
   689  //    The GNU C Library is free software; you can redistribute it and/or
   690  //    modify it under the terms of the GNU Lesser General Public
   691  //    License as published by the Free Software Foundation; either
   692  //    version 2.1 of the License, or (at your option) any later version.
   693  //
   694  //    The GNU C Library is distributed in the hope that it will be useful,
   695  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   696  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   697  //    Lesser General Public License for more details.
   698  //
   699  //    You should have received a copy of the GNU Lesser General Public
   700  //    License along with the GNU C Library; if not, see
   701  //    <https://www.gnu.org/licenses/>.
   702  
   703  //	POSIX Standard: 2.9.2 Minimum Values	Added to <limits.h>
   704  //
   705  //	Never include this file directly; use <limits.h> instead.
   706  
   707  // Determine the wordsize from the preprocessor defines.
   708  
   709  // Both x86-64 and x32 use the 64-bit system call interface.
   710  
   711  // These are the standard-mandated minimum values.
   712  
   713  // Minimum number of operations in one list I/O call.
   714  
   715  // Minimal number of outstanding asynchronous I/O operations.
   716  
   717  // Maximum length of arguments to `execve', including environment.
   718  
   719  // Maximum simultaneous processes per real user ID.
   720  
   721  // Minimal number of timer expiration overruns.
   722  
   723  // Maximum length of a host name (not including the terminating null)
   724  //    as returned from the GETHOSTNAME function.
   725  
   726  // Maximum link count of a file.
   727  
   728  // Maximum length of login name.
   729  
   730  // Number of bytes in a terminal canonical input queue.
   731  
   732  // Number of bytes for which space will be
   733  //    available in a terminal input queue.
   734  
   735  // Maximum number of message queues open for a process.
   736  
   737  // Maximum number of supported message priorities.
   738  
   739  // Number of bytes in a filename.
   740  
   741  // Number of simultaneous supplementary group IDs per process.
   742  
   743  // Number of files one process can have open at once.
   744  
   745  // Number of bytes in a pathname.
   746  
   747  // Number of bytes than can be written atomically to a pipe.
   748  
   749  // The number of repeated occurrences of a BRE permitted by the
   750  //    REGEXEC and REGCOMP functions when using the interval notation.
   751  
   752  // Minimal number of realtime signals reserved for the application.
   753  
   754  // Number of semaphores a process can have.
   755  
   756  // Maximal value of a semaphore.
   757  
   758  // Number of pending realtime signals.
   759  
   760  // Largest value of a `ssize_t'.
   761  
   762  // Number of streams a process can have open at once.
   763  
   764  // The number of bytes in a symbolic link.
   765  
   766  // The number of symbolic links that can be traversed in the
   767  //    resolution of a pathname in the absence of a loop.
   768  
   769  // Number of timer for a process.
   770  
   771  // Maximum number of characters in a tty name.
   772  
   773  // Maximum length of a timezone name (element of `tzname').
   774  
   775  // Maximum clock resolution in nanoseconds.
   776  
   777  // Get the implementation-specific values for the above.
   778  // Minimum guaranteed maximum values for system limits.  Linux version.
   779  //    Copyright (C) 1993-2020 Free Software Foundation, Inc.
   780  //    This file is part of the GNU C Library.
   781  //
   782  //    The GNU C Library is free software; you can redistribute it and/or
   783  //    modify it under the terms of the GNU Lesser General Public License as
   784  //    published by the Free Software Foundation; either version 2.1 of the
   785  //    License, or (at your option) any later version.
   786  //
   787  //    The GNU C Library is distributed in the hope that it will be useful,
   788  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   789  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   790  //    Lesser General Public License for more details.
   791  //
   792  //    You should have received a copy of the GNU Lesser General Public
   793  //    License along with the GNU C Library; see the file COPYING.LIB.  If
   794  //    not, see <https://www.gnu.org/licenses/>.
   795  
   796  // The kernel header pollutes the namespace with the NR_OPEN symbol
   797  //    and defines LINK_MAX although filesystems have different maxima.  A
   798  //    similar thing is true for OPEN_MAX: the limit can be changed at
   799  //    runtime and therefore the macro must not be defined.  Remove this
   800  //    after including the header if necessary.
   801  
   802  // The kernel sources contain a file with all the needed information.
   803  // SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
   804  
   805  // Have to remove NR_OPEN?
   806  // Have to remove LINK_MAX?
   807  // Have to remove OPEN_MAX?
   808  // Have to remove ARG_MAX?
   809  
   810  // The number of data keys per process.
   811  // This is the value this implementation supports.
   812  
   813  // Controlling the iterations of destructors for thread-specific data.
   814  // Number of iterations this implementation does.
   815  
   816  // The number of threads per process.
   817  // We have no predefined limit on the number of threads.
   818  
   819  // Maximum amount by which a process can descrease its asynchronous I/O
   820  //    priority level.
   821  
   822  // Minimum size for a thread.  We are free to choose a reasonable value.
   823  
   824  // Maximum number of timer expiration overruns.
   825  
   826  // Maximum tty name length.
   827  
   828  // Maximum login name length.  This is arbitrary.
   829  
   830  // Maximum host name length.
   831  
   832  // Maximum message queue priority level.
   833  
   834  // Maximum value the semaphore can have.
   835  
   836  // ssize_t is not formally required to be the signed type
   837  //    corresponding to size_t, but it is for all configurations supported
   838  //    by glibc.
   839  
   840  // This value is a guaranteed minimum maximum.
   841  //    The current maximum can be got from `sysconf'.
   842  
   843  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   844  //    This file is part of the GNU C Library.
   845  //
   846  //    The GNU C Library is free software; you can redistribute it and/or
   847  //    modify it under the terms of the GNU Lesser General Public
   848  //    License as published by the Free Software Foundation; either
   849  //    version 2.1 of the License, or (at your option) any later version.
   850  //
   851  //    The GNU C Library is distributed in the hope that it will be useful,
   852  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   853  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   854  //    Lesser General Public License for more details.
   855  //
   856  //    You should have received a copy of the GNU Lesser General Public
   857  //    License along with the GNU C Library; if not, see
   858  //    <https://www.gnu.org/licenses/>.
   859  
   860  // Never include this file directly; include <limits.h> instead.
   861  
   862  // The maximum `ibase' and `obase' values allowed by the `bc' utility.
   863  
   864  // The maximum number of elements allowed in an array by the `bc' utility.
   865  
   866  // The maximum `scale' value allowed by the `bc' utility.
   867  
   868  // The maximum length of a string constant accepted by the `bc' utility.
   869  
   870  // The maximum number of weights that can be assigned to an entry of
   871  //    the LC_COLLATE `order' keyword in the locale definition file.
   872  
   873  // The maximum number of expressions that can be nested
   874  //    within parentheses by the `expr' utility.
   875  
   876  // The maximum length, in bytes, of an input line.
   877  
   878  // The maximum number of repeated occurrences of a regular expression
   879  //    permitted when using the interval notation `\{M,N\}'.
   880  
   881  // The maximum number of bytes in a character class name.  We have no
   882  //    fixed limit, 2048 is a high number.
   883  
   884  // These values are implementation-specific,
   885  //    and may vary within the implementation.
   886  //    Their precise values can be obtained from sysconf.
   887  
   888  // This value is defined like this in regex.h.
   889  
   890  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   891  //
   892  // This file is part of GCC.
   893  //
   894  // GCC is free software; you can redistribute it and/or modify it under
   895  // the terms of the GNU General Public License as published by the Free
   896  // Software Foundation; either version 3, or (at your option) any later
   897  // version.
   898  //
   899  // GCC is distributed in the hope that it will be useful, but WITHOUT ANY
   900  // WARRANTY; without even the implied warranty of MERCHANTABILITY or
   901  // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   902  // for more details.
   903  //
   904  // Under Section 7 of GPL version 3, you are granted additional
   905  // permissions described in the GCC Runtime Library Exception, version
   906  // 3.1, as published by the Free Software Foundation.
   907  //
   908  // You should have received a copy of the GNU General Public License and
   909  // a copy of the GCC Runtime Library Exception along with this program;
   910  // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
   911  // <http://www.gnu.org/licenses/>.
   912  
   913  // Number of bits in a `char'.
   914  
   915  // Maximum length of a multibyte character.
   916  
   917  // Minimum and maximum values a `signed char' can hold.
   918  
   919  // Maximum value an `unsigned char' can hold.  (Minimum is 0).
   920  
   921  // Minimum and maximum values a `char' can hold.
   922  
   923  // Minimum and maximum values a `signed short int' can hold.
   924  
   925  // Maximum value an `unsigned short int' can hold.  (Minimum is 0).
   926  
   927  // Minimum and maximum values a `signed int' can hold.
   928  
   929  // Maximum value an `unsigned int' can hold.  (Minimum is 0).
   930  
   931  // Minimum and maximum values a `signed long int' can hold.
   932  //    (Same as `int').
   933  
   934  // Maximum value an `unsigned long int' can hold.  (Minimum is 0).
   935  
   936  // Minimum and maximum values a `signed long long int' can hold.
   937  
   938  // Maximum value an `unsigned long long int' can hold.  (Minimum is 0).
   939  
   940  // This administrivia gets added to the end of limits.h
   941  //    if the system has its own version of limits.h.
   942  
   943  var _ int8 /* gen.c:2:13: */