lib/stdlib.in.h

   1 /* A GNU-like <stdlib.h>.
   2
   3    Copyright (C) 1995, 2001-2004, 2006-2020 Free Software Foundation, Inc.
   4
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 #if __GNUC__ >= 3
  19 @PRAGMA_SYSTEM_HEADER@
  20 #endif
  21 @PRAGMA_COLUMNS@
  22
  23 #if defined __need_system_stdlib_h || defined __need_malloc_and_calloc
  24 /* Special invocation conventions inside some gnulib header files,
  25    and inside some glibc header files, respectively.  */
  26
  27 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
  28
  29 #else
  30 /* Normal invocation convention.  */
  31
  32 #ifndef _@GUARD_PREFIX@_STDLIB_H
  33
  34 /* The include_next requires a split double-inclusion guard.  */
  35 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
  36
  37 #ifndef _@GUARD_PREFIX@_STDLIB_H
  38 #define _@GUARD_PREFIX@_STDLIB_H
  39
  40 /* NetBSD 5.0 mis-defines NULL.  */
  41 #include <stddef.h>
  42
  43 /* MirBSD 10 defines WEXITSTATUS in <sys/wait.h>, not in <stdlib.h>.  */
  44 #if @GNULIB_SYSTEM_POSIX@ && !defined WEXITSTATUS
  45 # include <sys/wait.h>
  46 #endif
  47
  48 /* Solaris declares getloadavg() in <sys/loadavg.h>.  */
  49 #if (@GNULIB_GETLOADAVG@ || defined GNULIB_POSIXCHECK) && @HAVE_SYS_LOADAVG_H@
  50 /* OpenIndiana has a bug: <sys/time.h> must be included before
  51    <sys/loadavg.h>.  */
  52 # include <sys/time.h>
  53 # include <sys/loadavg.h>
  54 #endif
  55
  56 /* Native Windows platforms declare mktemp() in <io.h>.  */
  57 #if 0 && (defined _WIN32 && ! defined __CYGWIN__)
  58 # include <io.h>
  59 #endif
  60
  61 #if @GNULIB_RANDOM_R@
  62
  63 /* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
  64    from <stdlib.h> if _REENTRANT is defined.  Include it whenever we need
  65    'struct random_data'.  */
  66 # if @HAVE_RANDOM_H@
  67 #  include <random.h>
  68 # endif
  69
  70 # if !@HAVE_STRUCT_RANDOM_DATA@ || @REPLACE_RANDOM_R@ || !@HAVE_RANDOM_R@
  71 #  include <stdint.h>
  72 # endif
  73
  74 # if !@HAVE_STRUCT_RANDOM_DATA@
  75 /* Define 'struct random_data'.
  76    But allow multiple gnulib generated <stdlib.h> replacements to coexist.  */
  77 #  if !GNULIB_defined_struct_random_data
  78 struct random_data
  79 {
  80   int32_t *fptr;                /* Front pointer.  */
  81   int32_t *rptr;                /* Rear pointer.  */
  82   int32_t *state;               /* Array of state values.  */
  83   int rand_type;                /* Type of random number generator.  */
  84   int rand_deg;                 /* Degree of random number generator.  */
  85   int rand_sep;                 /* Distance between front and rear.  */
  86   int32_t *end_ptr;             /* Pointer behind state table.  */
  87 };
  88 #   define GNULIB_defined_struct_random_data 1
  89 #  endif
  90 # endif
  91 #endif
  92
  93 #if (@GNULIB_MKSTEMP@ || @GNULIB_MKSTEMPS@ || @GNULIB_MKOSTEMP@ || @GNULIB_MKOSTEMPS@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ && !(defined _WIN32 && ! defined __CYGWIN__)
  94 /* On Mac OS X 10.3, only <unistd.h> declares mkstemp.  */
  95 /* On Mac OS X 10.5, only <unistd.h> declares mkstemps.  */
  96 /* On Mac OS X 10.13, only <unistd.h> declares mkostemp and mkostemps.  */
  97 /* On Cygwin 1.7.1, only <unistd.h> declares getsubopt.  */
  98 /* But avoid namespace pollution on glibc systems and native Windows.  */
  99 # include <unistd.h>
 100 #endif
 101
 102 /* The __attribute__ feature is available in gcc versions 2.5 and later.
 103    The attribute __pure__ was added in gcc 2.96.  */
 104 #ifndef _GL_ATTRIBUTE_PURE
 105 # if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) || defined __clang__
 106 #  define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
 107 # else
 108 #  define _GL_ATTRIBUTE_PURE /* empty */
 109 # endif
 110 #endif
 111
 112 /* The definition of _Noreturn is copied here.  */
 113
 114 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
 115
 116 /* The definition of _GL_ARG_NONNULL is copied here.  */
 117
 118 /* The definition of _GL_WARN_ON_USE is copied here.  */
 119
 120
 121 /* Some systems do not define EXIT_*, despite otherwise supporting C89.  */
 122 #ifndef EXIT_SUCCESS
 123 # define EXIT_SUCCESS 0
 124 #endif
 125 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
 126    with proper operation of xargs.  */
 127 #ifndef EXIT_FAILURE
 128 # define EXIT_FAILURE 1
 129 #elif EXIT_FAILURE != 1
 130 # undef EXIT_FAILURE
 131 # define EXIT_FAILURE 1
 132 #endif
 133
 134
 135 #if @GNULIB__EXIT@
 136 /* Terminate the current process with the given return code, without running
 137    the 'atexit' handlers.  */
 138 # if !@HAVE__EXIT@
 139 _GL_FUNCDECL_SYS (_Exit, _Noreturn void, (int status));
 140 # endif
 141 _GL_CXXALIAS_SYS (_Exit, void, (int status));
 142 _GL_CXXALIASWARN (_Exit);
 143 #elif defined GNULIB_POSIXCHECK
 144 # undef _Exit
 145 # if HAVE_RAW_DECL__EXIT
 146 _GL_WARN_ON_USE (_Exit, "_Exit is unportable - "
 147                  "use gnulib module _Exit for portability");
 148 # endif
 149 #endif
 150
 151
 152 #if @GNULIB_ATOLL@
 153 /* Parse a signed decimal integer.
 154    Returns the value of the integer.  Errors are not detected.  */
 155 # if !@HAVE_ATOLL@
 156 _GL_FUNCDECL_SYS (atoll, long long, (const char *string)
 157                                     _GL_ATTRIBUTE_PURE
 158                                     _GL_ARG_NONNULL ((1)));
 159 # endif
 160 _GL_CXXALIAS_SYS (atoll, long long, (const char *string));
 161 _GL_CXXALIASWARN (atoll);
 162 #elif defined GNULIB_POSIXCHECK
 163 # undef atoll
 164 # if HAVE_RAW_DECL_ATOLL
 165 _GL_WARN_ON_USE (atoll, "atoll is unportable - "
 166                  "use gnulib module atoll for portability");
 167 # endif
 168 #endif
 169
 170 #if @GNULIB_CALLOC_POSIX@
 171 # if @REPLACE_CALLOC@
 172 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 173 #   undef calloc
 174 #   define calloc rpl_calloc
 175 #  endif
 176 _GL_FUNCDECL_RPL (calloc, void *, (size_t nmemb, size_t size));
 177 _GL_CXXALIAS_RPL (calloc, void *, (size_t nmemb, size_t size));
 178 # else
 179 _GL_CXXALIAS_SYS (calloc, void *, (size_t nmemb, size_t size));
 180 # endif
 181 # if __GLIBC__ >= 2
 182 _GL_CXXALIASWARN (calloc);
 183 # endif
 184 #elif defined GNULIB_POSIXCHECK
 185 # undef calloc
 186 /* Assume calloc is always declared.  */
 187 _GL_WARN_ON_USE (calloc, "calloc is not POSIX compliant everywhere - "
 188                  "use gnulib module calloc-posix for portability");
 189 #endif
 190
 191 #if @GNULIB_CANONICALIZE_FILE_NAME@
 192 # if @REPLACE_CANONICALIZE_FILE_NAME@
 193 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 194 #   define canonicalize_file_name rpl_canonicalize_file_name
 195 #  endif
 196 _GL_FUNCDECL_RPL (canonicalize_file_name, char *, (const char *name)
 197                                                   _GL_ARG_NONNULL ((1)));
 198 _GL_CXXALIAS_RPL (canonicalize_file_name, char *, (const char *name));
 199 # else
 200 #  if !@HAVE_CANONICALIZE_FILE_NAME@
 201 _GL_FUNCDECL_SYS (canonicalize_file_name, char *, (const char *name)
 202                                                   _GL_ARG_NONNULL ((1)));
 203 #  endif
 204 _GL_CXXALIAS_SYS (canonicalize_file_name, char *, (const char *name));
 205 # endif
 206 # ifndef GNULIB_defined_canonicalize_file_name
 207 #  define GNULIB_defined_canonicalize_file_name \
 208      (!@HAVE_CANONICALIZE_FILE_NAME@ || @REPLACE_CANONICALIZE_FILE_NAME@)
 209 # endif
 210 _GL_CXXALIASWARN (canonicalize_file_name);
 211 #elif defined GNULIB_POSIXCHECK
 212 # undef canonicalize_file_name
 213 # if HAVE_RAW_DECL_CANONICALIZE_FILE_NAME
 214 _GL_WARN_ON_USE (canonicalize_file_name,
 215                  "canonicalize_file_name is unportable - "
 216                  "use gnulib module canonicalize-lgpl for portability");
 217 # endif
 218 #endif
 219
 220 #if defined _WIN32 && !defined __CYGWIN__
 221 # undef ecvt
 222 # define ecvt _ecvt
 223 #endif
 224
 225 #if defined _WIN32 && !defined __CYGWIN__
 226 # undef fcvt
 227 # define fcvt _fcvt
 228 #endif
 229
 230 #if defined _WIN32 && !defined __CYGWIN__
 231 # undef gcvt
 232 # define gcvt _gcvt
 233 #endif
 234
 235 #if @GNULIB_GETLOADAVG@
 236 /* Store max(NELEM,3) load average numbers in LOADAVG[].
 237    The three numbers are the load average of the last 1 minute, the last 5
 238    minutes, and the last 15 minutes, respectively.
 239    LOADAVG is an array of NELEM numbers.  */
 240 # if !@HAVE_DECL_GETLOADAVG@
 241 _GL_FUNCDECL_SYS (getloadavg, int, (double loadavg[], int nelem)
 242                                    _GL_ARG_NONNULL ((1)));
 243 # endif
 244 _GL_CXXALIAS_SYS (getloadavg, int, (double loadavg[], int nelem));
 245 _GL_CXXALIASWARN (getloadavg);
 246 #elif defined GNULIB_POSIXCHECK
 247 # undef getloadavg
 248 # if HAVE_RAW_DECL_GETLOADAVG
 249 _GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - "
 250                  "use gnulib module getloadavg for portability");
 251 # endif
 252 #endif
 253
 254 #if @GNULIB_GETSUBOPT@
 255 /* Assuming *OPTIONP is a comma separated list of elements of the form
 256    "token" or "token=value", getsubopt parses the first of these elements.
 257    If the first element refers to a "token" that is member of the given
 258    NULL-terminated array of tokens:
 259      - It replaces the comma with a NUL byte, updates *OPTIONP to point past
 260        the first option and the comma, sets *VALUEP to the value of the
 261        element (or NULL if it doesn't contain an "=" sign),
 262      - It returns the index of the "token" in the given array of tokens.
 263    Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
 264    For more details see the POSIX specification.
 265    https://pubs.opengroup.org/onlinepubs/9699919799/functions/getsubopt.html */
 266 # if !@HAVE_GETSUBOPT@
 267 _GL_FUNCDECL_SYS (getsubopt, int,
 268                   (char **optionp, char *const *tokens, char **valuep)
 269                   _GL_ARG_NONNULL ((1, 2, 3)));
 270 # endif
 271 _GL_CXXALIAS_SYS (getsubopt, int,
 272                   (char **optionp, char *const *tokens, char **valuep));
 273 _GL_CXXALIASWARN (getsubopt);
 274 #elif defined GNULIB_POSIXCHECK
 275 # undef getsubopt
 276 # if HAVE_RAW_DECL_GETSUBOPT
 277 _GL_WARN_ON_USE (getsubopt, "getsubopt is unportable - "
 278                  "use gnulib module getsubopt for portability");
 279 # endif
 280 #endif
 281
 282 #if @GNULIB_GRANTPT@
 283 /* Change the ownership and access permission of the slave side of the
 284    pseudo-terminal whose master side is specified by FD.  */
 285 # if !@HAVE_GRANTPT@
 286 _GL_FUNCDECL_SYS (grantpt, int, (int fd));
 287 # endif
 288 _GL_CXXALIAS_SYS (grantpt, int, (int fd));
 289 _GL_CXXALIASWARN (grantpt);
 290 #elif defined GNULIB_POSIXCHECK
 291 # undef grantpt
 292 # if HAVE_RAW_DECL_GRANTPT
 293 _GL_WARN_ON_USE (grantpt, "grantpt is not portable - "
 294                  "use gnulib module grantpt for portability");
 295 # endif
 296 #endif
 297
 298 /* If _GL_USE_STDLIB_ALLOC is nonzero, the including module does not
 299    rely on GNU or POSIX semantics for malloc and realloc (for example,
 300    by never specifying a zero size), so it does not need malloc or
 301    realloc to be redefined.  */
 302 #if @GNULIB_MALLOC_POSIX@
 303 # if @REPLACE_MALLOC@
 304 #  if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
 305         || _GL_USE_STDLIB_ALLOC)
 306 #   undef malloc
 307 #   define malloc rpl_malloc
 308 #  endif
 309 _GL_FUNCDECL_RPL (malloc, void *, (size_t size));
 310 _GL_CXXALIAS_RPL (malloc, void *, (size_t size));
 311 # else
 312 _GL_CXXALIAS_SYS (malloc, void *, (size_t size));
 313 # endif
 314 # if __GLIBC__ >= 2
 315 _GL_CXXALIASWARN (malloc);
 316 # endif
 317 #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
 318 # undef malloc
 319 /* Assume malloc is always declared.  */
 320 _GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
 321                  "use gnulib module malloc-posix for portability");
 322 #endif
 323
 324 /* Convert a multibyte character to a wide character.  */
 325 #if @GNULIB_MBTOWC@
 326 # if @REPLACE_MBTOWC@
 327 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 328 #   undef mbtowc
 329 #   define mbtowc rpl_mbtowc
 330 #  endif
 331 _GL_FUNCDECL_RPL (mbtowc, int,
 332                   (wchar_t *restrict pwc, const char *restrict s, size_t n));
 333 _GL_CXXALIAS_RPL (mbtowc, int,
 334                   (wchar_t *restrict pwc, const char *restrict s, size_t n));
 335 # else
 336 #  if !@HAVE_MBTOWC@
 337 _GL_FUNCDECL_SYS (mbtowc, int,
 338                   (wchar_t *restrict pwc, const char *restrict s, size_t n));
 339 #  endif
 340 _GL_CXXALIAS_SYS (mbtowc, int,
 341                   (wchar_t *restrict pwc, const char *restrict s, size_t n));
 342 # endif
 343 # if __GLIBC__ >= 2
 344 _GL_CXXALIASWARN (mbtowc);
 345 # endif
 346 #elif defined GNULIB_POSIXCHECK
 347 # undef mbtowc
 348 # if HAVE_RAW_DECL_MBTOWC
 349 _GL_WARN_ON_USE (mbtowc, "mbtowc is not portable - "
 350                  "use gnulib module mbtowc for portability");
 351 # endif
 352 #endif
 353
 354 #if @GNULIB_MKDTEMP@
 355 /* Create a unique temporary directory from TEMPLATE.
 356    The last six characters of TEMPLATE must be "XXXXXX";
 357    they are replaced with a string that makes the directory name unique.
 358    Returns TEMPLATE, or a null pointer if it cannot get a unique name.
 359    The directory is created mode 700.  */
 360 # if !@HAVE_MKDTEMP@
 361 _GL_FUNCDECL_SYS (mkdtemp, char *, (char * /*template*/) _GL_ARG_NONNULL ((1)));
 362 # endif
 363 _GL_CXXALIAS_SYS (mkdtemp, char *, (char * /*template*/));
 364 _GL_CXXALIASWARN (mkdtemp);
 365 #elif defined GNULIB_POSIXCHECK
 366 # undef mkdtemp
 367 # if HAVE_RAW_DECL_MKDTEMP
 368 _GL_WARN_ON_USE (mkdtemp, "mkdtemp is unportable - "
 369                  "use gnulib module mkdtemp for portability");
 370 # endif
 371 #endif
 372
 373 #if @GNULIB_MKOSTEMP@
 374 /* Create a unique temporary file from TEMPLATE.
 375    The last six characters of TEMPLATE must be "XXXXXX";
 376    they are replaced with a string that makes the file name unique.
 377    The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
 378    and O_TEXT, O_BINARY (defined in "binary-io.h").
 379    The file is then created, with the specified flags, ensuring it didn't exist
 380    before.
 381    The file is created read-write (mask at least 0600 & ~umask), but it may be
 382    world-readable and world-writable (mask 0666 & ~umask), depending on the
 383    implementation.
 384    Returns the open file descriptor if successful, otherwise -1 and errno
 385    set.  */
 386 # if !@HAVE_MKOSTEMP@
 387 _GL_FUNCDECL_SYS (mkostemp, int, (char * /*template*/, int /*flags*/)
 388                                  _GL_ARG_NONNULL ((1)));
 389 # endif
 390 _GL_CXXALIAS_SYS (mkostemp, int, (char * /*template*/, int /*flags*/));
 391 _GL_CXXALIASWARN (mkostemp);
 392 #elif defined GNULIB_POSIXCHECK
 393 # undef mkostemp
 394 # if HAVE_RAW_DECL_MKOSTEMP
 395 _GL_WARN_ON_USE (mkostemp, "mkostemp is unportable - "
 396                  "use gnulib module mkostemp for portability");
 397 # endif
 398 #endif
 399
 400 #if @GNULIB_MKOSTEMPS@
 401 /* Create a unique temporary file from TEMPLATE.
 402    The last six characters of TEMPLATE before a suffix of length
 403    SUFFIXLEN must be "XXXXXX";
 404    they are replaced with a string that makes the file name unique.
 405    The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
 406    and O_TEXT, O_BINARY (defined in "binary-io.h").
 407    The file is then created, with the specified flags, ensuring it didn't exist
 408    before.
 409    The file is created read-write (mask at least 0600 & ~umask), but it may be
 410    world-readable and world-writable (mask 0666 & ~umask), depending on the
 411    implementation.
 412    Returns the open file descriptor if successful, otherwise -1 and errno
 413    set.  */
 414 # if !@HAVE_MKOSTEMPS@
 415 _GL_FUNCDECL_SYS (mkostemps, int,
 416                   (char * /*template*/, int /*suffixlen*/, int /*flags*/)
 417                   _GL_ARG_NONNULL ((1)));
 418 # endif
 419 _GL_CXXALIAS_SYS (mkostemps, int,
 420                   (char * /*template*/, int /*suffixlen*/, int /*flags*/));
 421 _GL_CXXALIASWARN (mkostemps);
 422 #elif defined GNULIB_POSIXCHECK
 423 # undef mkostemps
 424 # if HAVE_RAW_DECL_MKOSTEMPS
 425 _GL_WARN_ON_USE (mkostemps, "mkostemps is unportable - "
 426                  "use gnulib module mkostemps for portability");
 427 # endif
 428 #endif
 429
 430 #if @GNULIB_MKSTEMP@
 431 /* Create a unique temporary file from TEMPLATE.
 432    The last six characters of TEMPLATE must be "XXXXXX";
 433    they are replaced with a string that makes the file name unique.
 434    The file is then created, ensuring it didn't exist before.
 435    The file is created read-write (mask at least 0600 & ~umask), but it may be
 436    world-readable and world-writable (mask 0666 & ~umask), depending on the
 437    implementation.
 438    Returns the open file descriptor if successful, otherwise -1 and errno
 439    set.  */
 440 # if @REPLACE_MKSTEMP@
 441 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 442 #   define mkstemp rpl_mkstemp
 443 #  endif
 444 _GL_FUNCDECL_RPL (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
 445 _GL_CXXALIAS_RPL (mkstemp, int, (char * /*template*/));
 446 # else
 447 #  if ! @HAVE_MKSTEMP@
 448 _GL_FUNCDECL_SYS (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
 449 #  endif
 450 _GL_CXXALIAS_SYS (mkstemp, int, (char * /*template*/));
 451 # endif
 452 _GL_CXXALIASWARN (mkstemp);
 453 #elif defined GNULIB_POSIXCHECK
 454 # undef mkstemp
 455 # if HAVE_RAW_DECL_MKSTEMP
 456 _GL_WARN_ON_USE (mkstemp, "mkstemp is unportable - "
 457                  "use gnulib module mkstemp for portability");
 458 # endif
 459 #endif
 460
 461 #if @GNULIB_MKSTEMPS@
 462 /* Create a unique temporary file from TEMPLATE.
 463    The last six characters of TEMPLATE prior to a suffix of length
 464    SUFFIXLEN must be "XXXXXX";
 465    they are replaced with a string that makes the file name unique.
 466    The file is then created, ensuring it didn't exist before.
 467    The file is created read-write (mask at least 0600 & ~umask), but it may be
 468    world-readable and world-writable (mask 0666 & ~umask), depending on the
 469    implementation.
 470    Returns the open file descriptor if successful, otherwise -1 and errno
 471    set.  */
 472 # if !@HAVE_MKSTEMPS@
 473 _GL_FUNCDECL_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/)
 474                                  _GL_ARG_NONNULL ((1)));
 475 # endif
 476 _GL_CXXALIAS_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/));
 477 _GL_CXXALIASWARN (mkstemps);
 478 #elif defined GNULIB_POSIXCHECK
 479 # undef mkstemps
 480 # if HAVE_RAW_DECL_MKSTEMPS
 481 _GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
 482                  "use gnulib module mkstemps for portability");
 483 # endif
 484 #endif
 485
 486 #if defined _WIN32 && !defined __CYGWIN__
 487 # undef mktemp
 488 # define mktemp _mktemp
 489 #endif
 490
 491 #if @GNULIB_POSIX_OPENPT@
 492 /* Return an FD open to the master side of a pseudo-terminal.  Flags should
 493    include O_RDWR, and may also include O_NOCTTY.  */
 494 # if !@HAVE_POSIX_OPENPT@
 495 _GL_FUNCDECL_SYS (posix_openpt, int, (int flags));
 496 # endif
 497 _GL_CXXALIAS_SYS (posix_openpt, int, (int flags));
 498 _GL_CXXALIASWARN (posix_openpt);
 499 #elif defined GNULIB_POSIXCHECK
 500 # undef posix_openpt
 501 # if HAVE_RAW_DECL_POSIX_OPENPT
 502 _GL_WARN_ON_USE (posix_openpt, "posix_openpt is not portable - "
 503                  "use gnulib module posix_openpt for portability");
 504 # endif
 505 #endif
 506
 507 #if @GNULIB_PTSNAME@
 508 /* Return the pathname of the pseudo-terminal slave associated with
 509    the master FD is open on, or NULL on errors.  */
 510 # if @REPLACE_PTSNAME@
 511 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 512 #   undef ptsname
 513 #   define ptsname rpl_ptsname
 514 #  endif
 515 _GL_FUNCDECL_RPL (ptsname, char *, (int fd));
 516 _GL_CXXALIAS_RPL (ptsname, char *, (int fd));
 517 # else
 518 #  if !@HAVE_PTSNAME@
 519 _GL_FUNCDECL_SYS (ptsname, char *, (int fd));
 520 #  endif
 521 _GL_CXXALIAS_SYS (ptsname, char *, (int fd));
 522 # endif
 523 _GL_CXXALIASWARN (ptsname);
 524 #elif defined GNULIB_POSIXCHECK
 525 # undef ptsname
 526 # if HAVE_RAW_DECL_PTSNAME
 527 _GL_WARN_ON_USE (ptsname, "ptsname is not portable - "
 528                  "use gnulib module ptsname for portability");
 529 # endif
 530 #endif
 531
 532 #if @GNULIB_PTSNAME_R@
 533 /* Set the pathname of the pseudo-terminal slave associated with
 534    the master FD is open on and return 0, or set errno and return
 535    non-zero on errors.  */
 536 # if @REPLACE_PTSNAME_R@
 537 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 538 #   undef ptsname_r
 539 #   define ptsname_r rpl_ptsname_r
 540 #  endif
 541 _GL_FUNCDECL_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
 542 _GL_CXXALIAS_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
 543 # else
 544 #  if !@HAVE_PTSNAME_R@
 545 _GL_FUNCDECL_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
 546 #  endif
 547 _GL_CXXALIAS_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
 548 # endif
 549 # ifndef GNULIB_defined_ptsname_r
 550 #  define GNULIB_defined_ptsname_r (!@HAVE_PTSNAME_R@ || @REPLACE_PTSNAME_R@)
 551 # endif
 552 _GL_CXXALIASWARN (ptsname_r);
 553 #elif defined GNULIB_POSIXCHECK
 554 # undef ptsname_r
 555 # if HAVE_RAW_DECL_PTSNAME_R
 556 _GL_WARN_ON_USE (ptsname_r, "ptsname_r is not portable - "
 557                  "use gnulib module ptsname_r for portability");
 558 # endif
 559 #endif
 560
 561 #if @GNULIB_PUTENV@
 562 # if @REPLACE_PUTENV@
 563 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 564 #   undef putenv
 565 #   define putenv rpl_putenv
 566 #  endif
 567 _GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
 568 _GL_CXXALIAS_RPL (putenv, int, (char *string));
 569 # elif defined _WIN32 && !defined __CYGWIN__
 570 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 571 #   undef putenv
 572 #   define putenv _putenv
 573 #  endif
 574 _GL_CXXALIAS_MDA (putenv, int, (char *string));
 575 # else
 576 _GL_CXXALIAS_SYS (putenv, int, (char *string));
 577 # endif
 578 _GL_CXXALIASWARN (putenv);
 579 #elif defined _WIN32 && !defined __CYGWIN__
 580 # undef putenv
 581 # define putenv _putenv
 582 #endif
 583
 584 #if @GNULIB_QSORT_R@
 585 /* Sort an array of NMEMB elements, starting at address BASE, each element
 586    occupying SIZE bytes, in ascending order according to the comparison
 587    function COMPARE.  */
 588 # if @REPLACE_QSORT_R@
 589 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 590 #   undef qsort_r
 591 #   define qsort_r rpl_qsort_r
 592 #  endif
 593 _GL_FUNCDECL_RPL (qsort_r, void, (void *base, size_t nmemb, size_t size,
 594                                   int (*compare) (void const *, void const *,
 595                                                   void *),
 596                                   void *arg) _GL_ARG_NONNULL ((1, 4)));
 597 _GL_CXXALIAS_RPL (qsort_r, void, (void *base, size_t nmemb, size_t size,
 598                                   int (*compare) (void const *, void const *,
 599                                                   void *),
 600                                   void *arg));
 601 # else
 602 #  if !@HAVE_QSORT_R@
 603 _GL_FUNCDECL_SYS (qsort_r, void, (void *base, size_t nmemb, size_t size,
 604                                   int (*compare) (void const *, void const *,
 605                                                   void *),
 606                                   void *arg) _GL_ARG_NONNULL ((1, 4)));
 607 #  endif
 608 _GL_CXXALIAS_SYS (qsort_r, void, (void *base, size_t nmemb, size_t size,
 609                                   int (*compare) (void const *, void const *,
 610                                                   void *),
 611                                   void *arg));
 612 # endif
 613 _GL_CXXALIASWARN (qsort_r);
 614 #elif defined GNULIB_POSIXCHECK
 615 # undef qsort_r
 616 # if HAVE_RAW_DECL_QSORT_R
 617 _GL_WARN_ON_USE (qsort_r, "qsort_r is not portable - "
 618                  "use gnulib module qsort_r for portability");
 619 # endif
 620 #endif
 621
 622
 623 #if @GNULIB_RANDOM_R@
 624 # if !@HAVE_RANDOM_R@
 625 #  ifndef RAND_MAX
 626 #   define RAND_MAX 2147483647
 627 #  endif
 628 # endif
 629 #endif
 630
 631
 632 #if @GNULIB_RANDOM@
 633 # if @REPLACE_RANDOM@
 634 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 635 #   undef random
 636 #   define random rpl_random
 637 #  endif
 638 _GL_FUNCDECL_RPL (random, long, (void));
 639 _GL_CXXALIAS_RPL (random, long, (void));
 640 # else
 641 #  if !@HAVE_RANDOM@
 642 _GL_FUNCDECL_SYS (random, long, (void));
 643 #  endif
 644 /* Need to cast, because on Haiku, the return type is
 645                                int.  */
 646 _GL_CXXALIAS_SYS_CAST (random, long, (void));
 647 # endif
 648 _GL_CXXALIASWARN (random);
 649 #elif defined GNULIB_POSIXCHECK
 650 # undef random
 651 # if HAVE_RAW_DECL_RANDOM
 652 _GL_WARN_ON_USE (random, "random is unportable - "
 653                  "use gnulib module random for portability");
 654 # endif
 655 #endif
 656
 657 #if @GNULIB_RANDOM@
 658 # if @REPLACE_RANDOM@
 659 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 660 #   undef srandom
 661 #   define srandom rpl_srandom
 662 #  endif
 663 _GL_FUNCDECL_RPL (srandom, void, (unsigned int seed));
 664 _GL_CXXALIAS_RPL (srandom, void, (unsigned int seed));
 665 # else
 666 #  if !@HAVE_RANDOM@
 667 _GL_FUNCDECL_SYS (srandom, void, (unsigned int seed));
 668 #  endif
 669 /* Need to cast, because on FreeBSD, the first parameter is
 670                                        unsigned long seed.  */
 671 _GL_CXXALIAS_SYS_CAST (srandom, void, (unsigned int seed));
 672 # endif
 673 _GL_CXXALIASWARN (srandom);
 674 #elif defined GNULIB_POSIXCHECK
 675 # undef srandom
 676 # if HAVE_RAW_DECL_SRANDOM
 677 _GL_WARN_ON_USE (srandom, "srandom is unportable - "
 678                  "use gnulib module random for portability");
 679 # endif
 680 #endif
 681
 682 #if @GNULIB_RANDOM@
 683 # if @REPLACE_INITSTATE@
 684 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 685 #   undef initstate
 686 #   define initstate rpl_initstate
 687 #  endif
 688 _GL_FUNCDECL_RPL (initstate, char *,
 689                   (unsigned int seed, char *buf, size_t buf_size)
 690                   _GL_ARG_NONNULL ((2)));
 691 _GL_CXXALIAS_RPL (initstate, char *,
 692                   (unsigned int seed, char *buf, size_t buf_size));
 693 # else
 694 #  if !@HAVE_INITSTATE@ || !@HAVE_DECL_INITSTATE@
 695 _GL_FUNCDECL_SYS (initstate, char *,
 696                   (unsigned int seed, char *buf, size_t buf_size)
 697                   _GL_ARG_NONNULL ((2)));
 698 #  endif
 699 /* Need to cast, because on FreeBSD, the first parameter is
 700                         unsigned long seed.  */
 701 _GL_CXXALIAS_SYS_CAST (initstate, char *,
 702                        (unsigned int seed, char *buf, size_t buf_size));
 703 # endif
 704 _GL_CXXALIASWARN (initstate);
 705 #elif defined GNULIB_POSIXCHECK
 706 # undef initstate
 707 # if HAVE_RAW_DECL_INITSTATE
 708 _GL_WARN_ON_USE (initstate, "initstate is unportable - "
 709                  "use gnulib module random for portability");
 710 # endif
 711 #endif
 712
 713 #if @GNULIB_RANDOM@
 714 # if @REPLACE_SETSTATE@
 715 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 716 #   undef setstate
 717 #   define setstate rpl_setstate
 718 #  endif
 719 _GL_FUNCDECL_RPL (setstate, char *, (char *arg_state) _GL_ARG_NONNULL ((1)));
 720 _GL_CXXALIAS_RPL (setstate, char *, (char *arg_state));
 721 # else
 722 #  if !@HAVE_SETSTATE@ || !@HAVE_DECL_SETSTATE@
 723 _GL_FUNCDECL_SYS (setstate, char *, (char *arg_state) _GL_ARG_NONNULL ((1)));
 724 #  endif
 725 /* Need to cast, because on Mac OS X 10.13, HP-UX, Solaris the first parameter
 726    is                                     const char *arg_state.  */
 727 _GL_CXXALIAS_SYS_CAST (setstate, char *, (char *arg_state));
 728 # endif
 729 _GL_CXXALIASWARN (setstate);
 730 #elif defined GNULIB_POSIXCHECK
 731 # undef setstate
 732 # if HAVE_RAW_DECL_SETSTATE
 733 _GL_WARN_ON_USE (setstate, "setstate is unportable - "
 734                  "use gnulib module random for portability");
 735 # endif
 736 #endif
 737
 738
 739 #if @GNULIB_RANDOM_R@
 740 # if @REPLACE_RANDOM_R@
 741 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 742 #   undef random_r
 743 #   define random_r rpl_random_r
 744 #  endif
 745 _GL_FUNCDECL_RPL (random_r, int, (struct random_data *buf, int32_t *result)
 746                                  _GL_ARG_NONNULL ((1, 2)));
 747 _GL_CXXALIAS_RPL (random_r, int, (struct random_data *buf, int32_t *result));
 748 # else
 749 #  if !@HAVE_RANDOM_R@
 750 _GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
 751                                  _GL_ARG_NONNULL ((1, 2)));
 752 #  endif
 753 _GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
 754 # endif
 755 _GL_CXXALIASWARN (random_r);
 756 #elif defined GNULIB_POSIXCHECK
 757 # undef random_r
 758 # if HAVE_RAW_DECL_RANDOM_R
 759 _GL_WARN_ON_USE (random_r, "random_r is unportable - "
 760                  "use gnulib module random_r for portability");
 761 # endif
 762 #endif
 763
 764 #if @GNULIB_RANDOM_R@
 765 # if @REPLACE_RANDOM_R@
 766 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 767 #   undef srandom_r
 768 #   define srandom_r rpl_srandom_r
 769 #  endif
 770 _GL_FUNCDECL_RPL (srandom_r, int,
 771                   (unsigned int seed, struct random_data *rand_state)
 772                   _GL_ARG_NONNULL ((2)));
 773 _GL_CXXALIAS_RPL (srandom_r, int,
 774                   (unsigned int seed, struct random_data *rand_state));
 775 # else
 776 #  if !@HAVE_RANDOM_R@
 777 _GL_FUNCDECL_SYS (srandom_r, int,
 778                   (unsigned int seed, struct random_data *rand_state)
 779                   _GL_ARG_NONNULL ((2)));
 780 #  endif
 781 _GL_CXXALIAS_SYS (srandom_r, int,
 782                   (unsigned int seed, struct random_data *rand_state));
 783 # endif
 784 _GL_CXXALIASWARN (srandom_r);
 785 #elif defined GNULIB_POSIXCHECK
 786 # undef srandom_r
 787 # if HAVE_RAW_DECL_SRANDOM_R
 788 _GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
 789                  "use gnulib module random_r for portability");
 790 # endif
 791 #endif
 792
 793 #if @GNULIB_RANDOM_R@
 794 # if @REPLACE_RANDOM_R@
 795 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 796 #   undef initstate_r
 797 #   define initstate_r rpl_initstate_r
 798 #  endif
 799 _GL_FUNCDECL_RPL (initstate_r, int,
 800                   (unsigned int seed, char *buf, size_t buf_size,
 801                    struct random_data *rand_state)
 802                   _GL_ARG_NONNULL ((2, 4)));
 803 _GL_CXXALIAS_RPL (initstate_r, int,
 804                   (unsigned int seed, char *buf, size_t buf_size,
 805                    struct random_data *rand_state));
 806 # else
 807 #  if !@HAVE_RANDOM_R@
 808 _GL_FUNCDECL_SYS (initstate_r, int,
 809                   (unsigned int seed, char *buf, size_t buf_size,
 810                    struct random_data *rand_state)
 811                   _GL_ARG_NONNULL ((2, 4)));
 812 #  endif
 813 /* Need to cast, because on Haiku, the third parameter is
 814                                                      unsigned long buf_size.  */
 815 _GL_CXXALIAS_SYS_CAST (initstate_r, int,
 816                        (unsigned int seed, char *buf, size_t buf_size,
 817                         struct random_data *rand_state));
 818 # endif
 819 _GL_CXXALIASWARN (initstate_r);
 820 #elif defined GNULIB_POSIXCHECK
 821 # undef initstate_r
 822 # if HAVE_RAW_DECL_INITSTATE_R
 823 _GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
 824                  "use gnulib module random_r for portability");
 825 # endif
 826 #endif
 827
 828 #if @GNULIB_RANDOM_R@
 829 # if @REPLACE_RANDOM_R@
 830 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 831 #   undef setstate_r
 832 #   define setstate_r rpl_setstate_r
 833 #  endif
 834 _GL_FUNCDECL_RPL (setstate_r, int,
 835                   (char *arg_state, struct random_data *rand_state)
 836                   _GL_ARG_NONNULL ((1, 2)));
 837 _GL_CXXALIAS_RPL (setstate_r, int,
 838                   (char *arg_state, struct random_data *rand_state));
 839 # else
 840 #  if !@HAVE_RANDOM_R@
 841 _GL_FUNCDECL_SYS (setstate_r, int,
 842                   (char *arg_state, struct random_data *rand_state)
 843                   _GL_ARG_NONNULL ((1, 2)));
 844 #  endif
 845 /* Need to cast, because on Haiku, the first parameter is
 846                         void *arg_state.  */
 847 _GL_CXXALIAS_SYS_CAST (setstate_r, int,
 848                        (char *arg_state, struct random_data *rand_state));
 849 # endif
 850 _GL_CXXALIASWARN (setstate_r);
 851 #elif defined GNULIB_POSIXCHECK
 852 # undef setstate_r
 853 # if HAVE_RAW_DECL_SETSTATE_R
 854 _GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
 855                  "use gnulib module random_r for portability");
 856 # endif
 857 #endif
 858
 859
 860 #if @GNULIB_REALLOC_POSIX@
 861 # if @REPLACE_REALLOC@
 862 #  if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
 863         || _GL_USE_STDLIB_ALLOC)
 864 #   undef realloc
 865 #   define realloc rpl_realloc
 866 #  endif
 867 _GL_FUNCDECL_RPL (realloc, void *, (void *ptr, size_t size));
 868 _GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
 869 # else
 870 _GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
 871 # endif
 872 # if __GLIBC__ >= 2
 873 _GL_CXXALIASWARN (realloc);
 874 # endif
 875 #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
 876 # undef realloc
 877 /* Assume realloc is always declared.  */
 878 _GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
 879                  "use gnulib module realloc-posix for portability");
 880 #endif
 881
 882
 883 #if @GNULIB_REALLOCARRAY@
 884 # if ! @HAVE_REALLOCARRAY@
 885 _GL_FUNCDECL_SYS (reallocarray, void *,
 886                   (void *ptr, size_t nmemb, size_t size));
 887 # endif
 888 _GL_CXXALIAS_SYS (reallocarray, void *,
 889                   (void *ptr, size_t nmemb, size_t size));
 890 _GL_CXXALIASWARN (reallocarray);
 891 #elif defined GNULIB_POSIXCHECK
 892 # undef reallocarray
 893 # if HAVE_RAW_DECL_REALLOCARRAY
 894 _GL_WARN_ON_USE (reallocarray, "reallocarray is not portable - "
 895                  "use gnulib module reallocarray for portability");
 896 # endif
 897 #endif
 898
 899 #if @GNULIB_REALPATH@
 900 # if @REPLACE_REALPATH@
 901 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 902 #   define realpath rpl_realpath
 903 #  endif
 904 _GL_FUNCDECL_RPL (realpath, char *,
 905                   (const char *restrict name, char *restrict resolved)
 906                   _GL_ARG_NONNULL ((1)));
 907 _GL_CXXALIAS_RPL (realpath, char *,
 908                   (const char *restrict name, char *restrict resolved));
 909 # else
 910 #  if !@HAVE_REALPATH@
 911 _GL_FUNCDECL_SYS (realpath, char *,
 912                   (const char *restrict name, char *restrict resolved)
 913                   _GL_ARG_NONNULL ((1)));
 914 #  endif
 915 _GL_CXXALIAS_SYS (realpath, char *,
 916                   (const char *restrict name, char *restrict resolved));
 917 # endif
 918 _GL_CXXALIASWARN (realpath);
 919 #elif defined GNULIB_POSIXCHECK
 920 # undef realpath
 921 # if HAVE_RAW_DECL_REALPATH
 922 _GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
 923                  "canonicalize or canonicalize-lgpl for portability");
 924 # endif
 925 #endif
 926
 927 #if @GNULIB_RPMATCH@
 928 /* Test a user response to a question.
 929    Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear.  */
 930 # if !@HAVE_RPMATCH@
 931 _GL_FUNCDECL_SYS (rpmatch, int, (const char *response) _GL_ARG_NONNULL ((1)));
 932 # endif
 933 _GL_CXXALIAS_SYS (rpmatch, int, (const char *response));
 934 _GL_CXXALIASWARN (rpmatch);
 935 #elif defined GNULIB_POSIXCHECK
 936 # undef rpmatch
 937 # if HAVE_RAW_DECL_RPMATCH
 938 _GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
 939                  "use gnulib module rpmatch for portability");
 940 # endif
 941 #endif
 942
 943 #if @GNULIB_SECURE_GETENV@
 944 /* Look up NAME in the environment, returning 0 in insecure situations.  */
 945 # if !@HAVE_SECURE_GETENV@
 946 _GL_FUNCDECL_SYS (secure_getenv, char *,
 947                   (char const *name) _GL_ARG_NONNULL ((1)));
 948 # endif
 949 _GL_CXXALIAS_SYS (secure_getenv, char *, (char const *name));
 950 _GL_CXXALIASWARN (secure_getenv);
 951 #elif defined GNULIB_POSIXCHECK
 952 # undef secure_getenv
 953 # if HAVE_RAW_DECL_SECURE_GETENV
 954 _GL_WARN_ON_USE (secure_getenv, "secure_getenv is unportable - "
 955                  "use gnulib module secure_getenv for portability");
 956 # endif
 957 #endif
 958
 959 #if @GNULIB_SETENV@
 960 /* Set NAME to VALUE in the environment.
 961    If REPLACE is nonzero, overwrite an existing value.  */
 962 # if @REPLACE_SETENV@
 963 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 964 #   undef setenv
 965 #   define setenv rpl_setenv
 966 #  endif
 967 _GL_FUNCDECL_RPL (setenv, int,
 968                   (const char *name, const char *value, int replace)
 969                   _GL_ARG_NONNULL ((1)));
 970 _GL_CXXALIAS_RPL (setenv, int,
 971                   (const char *name, const char *value, int replace));
 972 # else
 973 #  if !@HAVE_DECL_SETENV@
 974 _GL_FUNCDECL_SYS (setenv, int,
 975                   (const char *name, const char *value, int replace)
 976                   _GL_ARG_NONNULL ((1)));
 977 #  endif
 978 _GL_CXXALIAS_SYS (setenv, int,
 979                   (const char *name, const char *value, int replace));
 980 # endif
 981 # if !(@REPLACE_SETENV@ && !@HAVE_DECL_SETENV@)
 982 _GL_CXXALIASWARN (setenv);
 983 # endif
 984 #elif defined GNULIB_POSIXCHECK
 985 # undef setenv
 986 # if HAVE_RAW_DECL_SETENV
 987 _GL_WARN_ON_USE (setenv, "setenv is unportable - "
 988                  "use gnulib module setenv for portability");
 989 # endif
 990 #endif
 991
 992 #if @GNULIB_STRTOD@
 993  /* Parse a double from STRING, updating ENDP if appropriate.  */
 994 # if @REPLACE_STRTOD@
 995 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 996 #   define strtod rpl_strtod
 997 #  endif
 998 #  define GNULIB_defined_strtod_function 1
 999 _GL_FUNCDECL_RPL (strtod, double,
1000                   (const char *restrict str, char **restrict endp)
1001                   _GL_ARG_NONNULL ((1)));
1002 _GL_CXXALIAS_RPL (strtod, double,
1003                   (const char *restrict str, char **restrict endp));
1004 # else
1005 #  if !@HAVE_STRTOD@
1006 _GL_FUNCDECL_SYS (strtod, double,
1007                   (const char *restrict str, char **restrict endp)
1008                   _GL_ARG_NONNULL ((1)));
1009 #  endif
1010 _GL_CXXALIAS_SYS (strtod, double,
1011                   (const char *restrict str, char **restrict endp));
1012 # endif
1013 # if __GLIBC__ >= 2
1014 _GL_CXXALIASWARN (strtod);
1015 # endif
1016 #elif defined GNULIB_POSIXCHECK
1017 # undef strtod
1018 # if HAVE_RAW_DECL_STRTOD
1019 _GL_WARN_ON_USE (strtod, "strtod is unportable - "
1020                  "use gnulib module strtod for portability");
1021 # endif
1022 #endif
1023
1024 #if @GNULIB_STRTOLD@
1025  /* Parse a 'long double' from STRING, updating ENDP if appropriate.  */
1026 # if @REPLACE_STRTOLD@
1027 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1028 #   define strtold rpl_strtold
1029 #  endif
1030 #  define GNULIB_defined_strtold_function 1
1031 _GL_FUNCDECL_RPL (strtold, long double,
1032                   (const char *restrict str, char **restrict endp)
1033                   _GL_ARG_NONNULL ((1)));
1034 _GL_CXXALIAS_RPL (strtold, long double,
1035                   (const char *restrict str, char **restrict endp));
1036 # else
1037 #  if !@HAVE_STRTOLD@
1038 _GL_FUNCDECL_SYS (strtold, long double,
1039                   (const char *restrict str, char **restrict endp)
1040                   _GL_ARG_NONNULL ((1)));
1041 #  endif
1042 _GL_CXXALIAS_SYS (strtold, long double,
1043                   (const char *restrict str, char **restrict endp));
1044 # endif
1045 _GL_CXXALIASWARN (strtold);
1046 #elif defined GNULIB_POSIXCHECK
1047 # undef strtold
1048 # if HAVE_RAW_DECL_STRTOLD
1049 _GL_WARN_ON_USE (strtold, "strtold is unportable - "
1050                  "use gnulib module strtold for portability");
1051 # endif
1052 #endif
1053
1054 #if @GNULIB_STRTOLL@
1055 /* Parse a signed integer whose textual representation starts at STRING.
1056    The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
1057    it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
1058    "0x").
1059    If ENDPTR is not NULL, the address of the first byte after the integer is
1060    stored in *ENDPTR.
1061    Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
1062    to ERANGE.  */
1063 # if !@HAVE_STRTOLL@
1064 _GL_FUNCDECL_SYS (strtoll, long long,
1065                   (const char *restrict string, char **restrict endptr,
1066                    int base)
1067                   _GL_ARG_NONNULL ((1)));
1068 # endif
1069 _GL_CXXALIAS_SYS (strtoll, long long,
1070                   (const char *restrict string, char **restrict endptr,
1071                    int base));
1072 _GL_CXXALIASWARN (strtoll);
1073 #elif defined GNULIB_POSIXCHECK
1074 # undef strtoll
1075 # if HAVE_RAW_DECL_STRTOLL
1076 _GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
1077                  "use gnulib module strtoll for portability");
1078 # endif
1079 #endif
1080
1081 #if @GNULIB_STRTOULL@
1082 /* Parse an unsigned integer whose textual representation starts at STRING.
1083    The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
1084    it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
1085    "0x").
1086    If ENDPTR is not NULL, the address of the first byte after the integer is
1087    stored in *ENDPTR.
1088    Upon overflow, the return value is ULLONG_MAX, and errno is set to
1089    ERANGE.  */
1090 # if !@HAVE_STRTOULL@
1091 _GL_FUNCDECL_SYS (strtoull, unsigned long long,
1092                   (const char *restrict string, char **restrict endptr,
1093                    int base)
1094                   _GL_ARG_NONNULL ((1)));
1095 # endif
1096 _GL_CXXALIAS_SYS (strtoull, unsigned long long,
1097                   (const char *restrict string, char **restrict endptr,
1098                    int base));
1099 _GL_CXXALIASWARN (strtoull);
1100 #elif defined GNULIB_POSIXCHECK
1101 # undef strtoull
1102 # if HAVE_RAW_DECL_STRTOULL
1103 _GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
1104                  "use gnulib module strtoull for portability");
1105 # endif
1106 #endif
1107
1108 #if @GNULIB_UNLOCKPT@
1109 /* Unlock the slave side of the pseudo-terminal whose master side is specified
1110    by FD, so that it can be opened.  */
1111 # if !@HAVE_UNLOCKPT@
1112 _GL_FUNCDECL_SYS (unlockpt, int, (int fd));
1113 # endif
1114 _GL_CXXALIAS_SYS (unlockpt, int, (int fd));
1115 _GL_CXXALIASWARN (unlockpt);
1116 #elif defined GNULIB_POSIXCHECK
1117 # undef unlockpt
1118 # if HAVE_RAW_DECL_UNLOCKPT
1119 _GL_WARN_ON_USE (unlockpt, "unlockpt is not portable - "
1120                  "use gnulib module unlockpt for portability");
1121 # endif
1122 #endif
1123
1124 #if @GNULIB_UNSETENV@
1125 /* Remove the variable NAME from the environment.  */
1126 # if @REPLACE_UNSETENV@
1127 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1128 #   undef unsetenv
1129 #   define unsetenv rpl_unsetenv
1130 #  endif
1131 _GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
1132 _GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
1133 # else
1134 #  if !@HAVE_DECL_UNSETENV@
1135 _GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
1136 #  endif
1137 _GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
1138 # endif
1139 # if !(@REPLACE_UNSETENV@ && !@HAVE_DECL_UNSETENV@)
1140 _GL_CXXALIASWARN (unsetenv);
1141 # endif
1142 #elif defined GNULIB_POSIXCHECK
1143 # undef unsetenv
1144 # if HAVE_RAW_DECL_UNSETENV
1145 _GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
1146                  "use gnulib module unsetenv for portability");
1147 # endif
1148 #endif
1149
1150 /* Convert a wide character to a multibyte character.  */
1151 #if @GNULIB_WCTOMB@
1152 # if @REPLACE_WCTOMB@
1153 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1154 #   undef wctomb
1155 #   define wctomb rpl_wctomb
1156 #  endif
1157 _GL_FUNCDECL_RPL (wctomb, int, (char *s, wchar_t wc));
1158 _GL_CXXALIAS_RPL (wctomb, int, (char *s, wchar_t wc));
1159 # else
1160 _GL_CXXALIAS_SYS (wctomb, int, (char *s, wchar_t wc));
1161 # endif
1162 # if __GLIBC__ >= 2
1163 _GL_CXXALIASWARN (wctomb);
1164 # endif
1165 #endif
1166
1167
1168 #endif /* _@GUARD_PREFIX@_STDLIB_H */
1169 #endif /* _@GUARD_PREFIX@_STDLIB_H */
1170 #endif