lib/stdlib.in.h

   1 /* A GNU-like <stdlib.h>.
   2
   3    Copyright (C) 1995, 2001-2004, 2006-2018 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 __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_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ && !((defined _WIN32 || 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 Cygwin 1.7.1, only <unistd.h> declares getsubopt.  */
  97 /* But avoid namespace pollution on glibc systems and native Windows.  */
  98 # include <unistd.h>
  99 #endif
 100
 101 /* The __attribute__ feature is available in gcc versions 2.5 and later.
 102    The attribute __pure__ was added in gcc 2.96.  */
 103 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
 104 # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
 105 #else
 106 # define _GL_ATTRIBUTE_PURE /* empty */
 107 #endif
 108
 109 /* The definition of _Noreturn is copied here.  */
 110
 111 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
 112
 113 /* The definition of _GL_ARG_NONNULL is copied here.  */
 114
 115 /* The definition of _GL_WARN_ON_USE is copied here.  */
 116
 117
 118 /* Some systems do not define EXIT_*, despite otherwise supporting C89.  */
 119 #ifndef EXIT_SUCCESS
 120 # define EXIT_SUCCESS 0
 121 #endif
 122 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
 123    with proper operation of xargs.  */
 124 #ifndef EXIT_FAILURE
 125 # define EXIT_FAILURE 1
 126 #elif EXIT_FAILURE != 1
 127 # undef EXIT_FAILURE
 128 # define EXIT_FAILURE 1
 129 #endif
 130
 131
 132 #if @GNULIB__EXIT@
 133 /* Terminate the current process with the given return code, without running
 134    the 'atexit' handlers.  */
 135 # if !@HAVE__EXIT@
 136 _GL_FUNCDECL_SYS (_Exit, _Noreturn void, (int status));
 137 # endif
 138 _GL_CXXALIAS_SYS (_Exit, void, (int status));
 139 _GL_CXXALIASWARN (_Exit);
 140 #elif defined GNULIB_POSIXCHECK
 141 # undef _Exit
 142 # if HAVE_RAW_DECL__EXIT
 143 _GL_WARN_ON_USE (_Exit, "_Exit is unportable - "
 144                  "use gnulib module _Exit for portability");
 145 # endif
 146 #endif
 147
 148
 149 #if @GNULIB_ATOLL@
 150 /* Parse a signed decimal integer.
 151    Returns the value of the integer.  Errors are not detected.  */
 152 # if !@HAVE_ATOLL@
 153 _GL_FUNCDECL_SYS (atoll, long long, (const char *string)
 154                                     _GL_ATTRIBUTE_PURE
 155                                     _GL_ARG_NONNULL ((1)));
 156 # endif
 157 _GL_CXXALIAS_SYS (atoll, long long, (const char *string));
 158 _GL_CXXALIASWARN (atoll);
 159 #elif defined GNULIB_POSIXCHECK
 160 # undef atoll
 161 # if HAVE_RAW_DECL_ATOLL
 162 _GL_WARN_ON_USE (atoll, "atoll is unportable - "
 163                  "use gnulib module atoll for portability");
 164 # endif
 165 #endif
 166
 167 #if @GNULIB_CALLOC_POSIX@
 168 # if @REPLACE_CALLOC@
 169 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 170 #   undef calloc
 171 #   define calloc rpl_calloc
 172 #  endif
 173 _GL_FUNCDECL_RPL (calloc, void *, (size_t nmemb, size_t size));
 174 _GL_CXXALIAS_RPL (calloc, void *, (size_t nmemb, size_t size));
 175 # else
 176 _GL_CXXALIAS_SYS (calloc, void *, (size_t nmemb, size_t size));
 177 # endif
 178 _GL_CXXALIASWARN (calloc);
 179 #elif defined GNULIB_POSIXCHECK
 180 # undef calloc
 181 /* Assume calloc is always declared.  */
 182 _GL_WARN_ON_USE (calloc, "calloc is not POSIX compliant everywhere - "
 183                  "use gnulib module calloc-posix for portability");
 184 #endif
 185
 186 #if @GNULIB_CANONICALIZE_FILE_NAME@
 187 # if @REPLACE_CANONICALIZE_FILE_NAME@
 188 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 189 #   define canonicalize_file_name rpl_canonicalize_file_name
 190 #  endif
 191 _GL_FUNCDECL_RPL (canonicalize_file_name, char *, (const char *name)
 192                                                   _GL_ARG_NONNULL ((1)));
 193 _GL_CXXALIAS_RPL (canonicalize_file_name, char *, (const char *name));
 194 # else
 195 #  if !@HAVE_CANONICALIZE_FILE_NAME@
 196 _GL_FUNCDECL_SYS (canonicalize_file_name, char *, (const char *name)
 197                                                   _GL_ARG_NONNULL ((1)));
 198 #  endif
 199 _GL_CXXALIAS_SYS (canonicalize_file_name, char *, (const char *name));
 200 # endif
 201 _GL_CXXALIASWARN (canonicalize_file_name);
 202 #elif defined GNULIB_POSIXCHECK
 203 # undef canonicalize_file_name
 204 # if HAVE_RAW_DECL_CANONICALIZE_FILE_NAME
 205 _GL_WARN_ON_USE (canonicalize_file_name,
 206                  "canonicalize_file_name is unportable - "
 207                  "use gnulib module canonicalize-lgpl for portability");
 208 # endif
 209 #endif
 210
 211 #if @GNULIB_GETLOADAVG@
 212 /* Store max(NELEM,3) load average numbers in LOADAVG[].
 213    The three numbers are the load average of the last 1 minute, the last 5
 214    minutes, and the last 15 minutes, respectively.
 215    LOADAVG is an array of NELEM numbers.  */
 216 # if !@HAVE_DECL_GETLOADAVG@
 217 _GL_FUNCDECL_SYS (getloadavg, int, (double loadavg[], int nelem)
 218                                    _GL_ARG_NONNULL ((1)));
 219 # endif
 220 _GL_CXXALIAS_SYS (getloadavg, int, (double loadavg[], int nelem));
 221 _GL_CXXALIASWARN (getloadavg);
 222 #elif defined GNULIB_POSIXCHECK
 223 # undef getloadavg
 224 # if HAVE_RAW_DECL_GETLOADAVG
 225 _GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - "
 226                  "use gnulib module getloadavg for portability");
 227 # endif
 228 #endif
 229
 230 #if @GNULIB_GETSUBOPT@
 231 /* Assuming *OPTIONP is a comma separated list of elements of the form
 232    "token" or "token=value", getsubopt parses the first of these elements.
 233    If the first element refers to a "token" that is member of the given
 234    NULL-terminated array of tokens:
 235      - It replaces the comma with a NUL byte, updates *OPTIONP to point past
 236        the first option and the comma, sets *VALUEP to the value of the
 237        element (or NULL if it doesn't contain an "=" sign),
 238      - It returns the index of the "token" in the given array of tokens.
 239    Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
 240    For more details see the POSIX:2001 specification.
 241    http://www.opengroup.org/susv3xsh/getsubopt.html */
 242 # if !@HAVE_GETSUBOPT@
 243 _GL_FUNCDECL_SYS (getsubopt, int,
 244                   (char **optionp, char *const *tokens, char **valuep)
 245                   _GL_ARG_NONNULL ((1, 2, 3)));
 246 # endif
 247 _GL_CXXALIAS_SYS (getsubopt, int,
 248                   (char **optionp, char *const *tokens, char **valuep));
 249 _GL_CXXALIASWARN (getsubopt);
 250 #elif defined GNULIB_POSIXCHECK
 251 # undef getsubopt
 252 # if HAVE_RAW_DECL_GETSUBOPT
 253 _GL_WARN_ON_USE (getsubopt, "getsubopt is unportable - "
 254                  "use gnulib module getsubopt for portability");
 255 # endif
 256 #endif
 257
 258 #if @GNULIB_GRANTPT@
 259 /* Change the ownership and access permission of the slave side of the
 260    pseudo-terminal whose master side is specified by FD.  */
 261 # if !@HAVE_GRANTPT@
 262 _GL_FUNCDECL_SYS (grantpt, int, (int fd));
 263 # endif
 264 _GL_CXXALIAS_SYS (grantpt, int, (int fd));
 265 _GL_CXXALIASWARN (grantpt);
 266 #elif defined GNULIB_POSIXCHECK
 267 # undef grantpt
 268 # if HAVE_RAW_DECL_GRANTPT
 269 _GL_WARN_ON_USE (grantpt, "grantpt is not portable - "
 270                  "use gnulib module grantpt for portability");
 271 # endif
 272 #endif
 273
 274 /* If _GL_USE_STDLIB_ALLOC is nonzero, the including module does not
 275    rely on GNU or POSIX semantics for malloc and realloc (for example,
 276    by never specifying a zero size), so it does not need malloc or
 277    realloc to be redefined.  */
 278 #if @GNULIB_MALLOC_POSIX@
 279 # if @REPLACE_MALLOC@
 280 #  if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
 281         || _GL_USE_STDLIB_ALLOC)
 282 #   undef malloc
 283 #   define malloc rpl_malloc
 284 #  endif
 285 _GL_FUNCDECL_RPL (malloc, void *, (size_t size));
 286 _GL_CXXALIAS_RPL (malloc, void *, (size_t size));
 287 # else
 288 _GL_CXXALIAS_SYS (malloc, void *, (size_t size));
 289 # endif
 290 _GL_CXXALIASWARN (malloc);
 291 #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
 292 # undef malloc
 293 /* Assume malloc is always declared.  */
 294 _GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
 295                  "use gnulib module malloc-posix for portability");
 296 #endif
 297
 298 /* Convert a multibyte character to a wide character.  */
 299 #if @GNULIB_MBTOWC@
 300 # if @REPLACE_MBTOWC@
 301 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 302 #   undef mbtowc
 303 #   define mbtowc rpl_mbtowc
 304 #  endif
 305 _GL_FUNCDECL_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
 306 _GL_CXXALIAS_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
 307 # else
 308 _GL_CXXALIAS_SYS (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
 309 # endif
 310 _GL_CXXALIASWARN (mbtowc);
 311 #endif
 312
 313 #if @GNULIB_MKDTEMP@
 314 /* Create a unique temporary directory from TEMPLATE.
 315    The last six characters of TEMPLATE must be "XXXXXX";
 316    they are replaced with a string that makes the directory name unique.
 317    Returns TEMPLATE, or a null pointer if it cannot get a unique name.
 318    The directory is created mode 700.  */
 319 # if !@HAVE_MKDTEMP@
 320 _GL_FUNCDECL_SYS (mkdtemp, char *, (char * /*template*/) _GL_ARG_NONNULL ((1)));
 321 # endif
 322 _GL_CXXALIAS_SYS (mkdtemp, char *, (char * /*template*/));
 323 _GL_CXXALIASWARN (mkdtemp);
 324 #elif defined GNULIB_POSIXCHECK
 325 # undef mkdtemp
 326 # if HAVE_RAW_DECL_MKDTEMP
 327 _GL_WARN_ON_USE (mkdtemp, "mkdtemp is unportable - "
 328                  "use gnulib module mkdtemp for portability");
 329 # endif
 330 #endif
 331
 332 #if @GNULIB_MKOSTEMP@
 333 /* Create a unique temporary file from TEMPLATE.
 334    The last six characters of TEMPLATE must be "XXXXXX";
 335    they are replaced with a string that makes the file name unique.
 336    The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
 337    and O_TEXT, O_BINARY (defined in "binary-io.h").
 338    The file is then created, with the specified flags, ensuring it didn't exist
 339    before.
 340    The file is created read-write (mask at least 0600 & ~umask), but it may be
 341    world-readable and world-writable (mask 0666 & ~umask), depending on the
 342    implementation.
 343    Returns the open file descriptor if successful, otherwise -1 and errno
 344    set.  */
 345 # if !@HAVE_MKOSTEMP@
 346 _GL_FUNCDECL_SYS (mkostemp, int, (char * /*template*/, int /*flags*/)
 347                                  _GL_ARG_NONNULL ((1)));
 348 # endif
 349 _GL_CXXALIAS_SYS (mkostemp, int, (char * /*template*/, int /*flags*/));
 350 _GL_CXXALIASWARN (mkostemp);
 351 #elif defined GNULIB_POSIXCHECK
 352 # undef mkostemp
 353 # if HAVE_RAW_DECL_MKOSTEMP
 354 _GL_WARN_ON_USE (mkostemp, "mkostemp is unportable - "
 355                  "use gnulib module mkostemp for portability");
 356 # endif
 357 #endif
 358
 359 #if @GNULIB_MKOSTEMPS@
 360 /* Create a unique temporary file from TEMPLATE.
 361    The last six characters of TEMPLATE before a suffix of length
 362    SUFFIXLEN must be "XXXXXX";
 363    they are replaced with a string that makes the file name unique.
 364    The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
 365    and O_TEXT, O_BINARY (defined in "binary-io.h").
 366    The file is then created, with the specified flags, ensuring it didn't exist
 367    before.
 368    The file is created read-write (mask at least 0600 & ~umask), but it may be
 369    world-readable and world-writable (mask 0666 & ~umask), depending on the
 370    implementation.
 371    Returns the open file descriptor if successful, otherwise -1 and errno
 372    set.  */
 373 # if !@HAVE_MKOSTEMPS@
 374 _GL_FUNCDECL_SYS (mkostemps, int,
 375                   (char * /*template*/, int /*suffixlen*/, int /*flags*/)
 376                   _GL_ARG_NONNULL ((1)));
 377 # endif
 378 _GL_CXXALIAS_SYS (mkostemps, int,
 379                   (char * /*template*/, int /*suffixlen*/, int /*flags*/));
 380 _GL_CXXALIASWARN (mkostemps);
 381 #elif defined GNULIB_POSIXCHECK
 382 # undef mkostemps
 383 # if HAVE_RAW_DECL_MKOSTEMPS
 384 _GL_WARN_ON_USE (mkostemps, "mkostemps is unportable - "
 385                  "use gnulib module mkostemps for portability");
 386 # endif
 387 #endif
 388
 389 #if @GNULIB_MKSTEMP@
 390 /* Create a unique temporary file from TEMPLATE.
 391    The last six characters of TEMPLATE must be "XXXXXX";
 392    they are replaced with a string that makes the file name unique.
 393    The file is then created, ensuring it didn't exist before.
 394    The file is created read-write (mask at least 0600 & ~umask), but it may be
 395    world-readable and world-writable (mask 0666 & ~umask), depending on the
 396    implementation.
 397    Returns the open file descriptor if successful, otherwise -1 and errno
 398    set.  */
 399 # if @REPLACE_MKSTEMP@
 400 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 401 #   define mkstemp rpl_mkstemp
 402 #  endif
 403 _GL_FUNCDECL_RPL (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
 404 _GL_CXXALIAS_RPL (mkstemp, int, (char * /*template*/));
 405 # else
 406 #  if ! @HAVE_MKSTEMP@
 407 _GL_FUNCDECL_SYS (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
 408 #  endif
 409 _GL_CXXALIAS_SYS (mkstemp, int, (char * /*template*/));
 410 # endif
 411 _GL_CXXALIASWARN (mkstemp);
 412 #elif defined GNULIB_POSIXCHECK
 413 # undef mkstemp
 414 # if HAVE_RAW_DECL_MKSTEMP
 415 _GL_WARN_ON_USE (mkstemp, "mkstemp is unportable - "
 416                  "use gnulib module mkstemp for portability");
 417 # endif
 418 #endif
 419
 420 #if @GNULIB_MKSTEMPS@
 421 /* Create a unique temporary file from TEMPLATE.
 422    The last six characters of TEMPLATE prior to a suffix of length
 423    SUFFIXLEN must be "XXXXXX";
 424    they are replaced with a string that makes the file name unique.
 425    The file is then created, ensuring it didn't exist before.
 426    The file is created read-write (mask at least 0600 & ~umask), but it may be
 427    world-readable and world-writable (mask 0666 & ~umask), depending on the
 428    implementation.
 429    Returns the open file descriptor if successful, otherwise -1 and errno
 430    set.  */
 431 # if !@HAVE_MKSTEMPS@
 432 _GL_FUNCDECL_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/)
 433                                  _GL_ARG_NONNULL ((1)));
 434 # endif
 435 _GL_CXXALIAS_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/));
 436 _GL_CXXALIASWARN (mkstemps);
 437 #elif defined GNULIB_POSIXCHECK
 438 # undef mkstemps
 439 # if HAVE_RAW_DECL_MKSTEMPS
 440 _GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
 441                  "use gnulib module mkstemps for portability");
 442 # endif
 443 #endif
 444
 445 #if @GNULIB_POSIX_OPENPT@
 446 /* Return an FD open to the master side of a pseudo-terminal.  Flags should
 447    include O_RDWR, and may also include O_NOCTTY.  */
 448 # if !@HAVE_POSIX_OPENPT@
 449 _GL_FUNCDECL_SYS (posix_openpt, int, (int flags));
 450 # endif
 451 _GL_CXXALIAS_SYS (posix_openpt, int, (int flags));
 452 _GL_CXXALIASWARN (posix_openpt);
 453 #elif defined GNULIB_POSIXCHECK
 454 # undef posix_openpt
 455 # if HAVE_RAW_DECL_POSIX_OPENPT
 456 _GL_WARN_ON_USE (posix_openpt, "posix_openpt is not portable - "
 457                  "use gnulib module posix_openpt for portability");
 458 # endif
 459 #endif
 460
 461 #if @GNULIB_PTSNAME@
 462 /* Return the pathname of the pseudo-terminal slave associated with
 463    the master FD is open on, or NULL on errors.  */
 464 # if @REPLACE_PTSNAME@
 465 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 466 #   undef ptsname
 467 #   define ptsname rpl_ptsname
 468 #  endif
 469 _GL_FUNCDECL_RPL (ptsname, char *, (int fd));
 470 _GL_CXXALIAS_RPL (ptsname, char *, (int fd));
 471 # else
 472 #  if !@HAVE_PTSNAME@
 473 _GL_FUNCDECL_SYS (ptsname, char *, (int fd));
 474 #  endif
 475 _GL_CXXALIAS_SYS (ptsname, char *, (int fd));
 476 # endif
 477 _GL_CXXALIASWARN (ptsname);
 478 #elif defined GNULIB_POSIXCHECK
 479 # undef ptsname
 480 # if HAVE_RAW_DECL_PTSNAME
 481 _GL_WARN_ON_USE (ptsname, "ptsname is not portable - "
 482                  "use gnulib module ptsname for portability");
 483 # endif
 484 #endif
 485
 486 #if @GNULIB_PTSNAME_R@
 487 /* Set the pathname of the pseudo-terminal slave associated with
 488    the master FD is open on and return 0, or set errno and return
 489    non-zero on errors.  */
 490 # if @REPLACE_PTSNAME_R@
 491 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 492 #   undef ptsname_r
 493 #   define ptsname_r rpl_ptsname_r
 494 #  endif
 495 _GL_FUNCDECL_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
 496 _GL_CXXALIAS_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
 497 # else
 498 #  if !@HAVE_PTSNAME_R@
 499 _GL_FUNCDECL_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
 500 #  endif
 501 _GL_CXXALIAS_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
 502 # endif
 503 _GL_CXXALIASWARN (ptsname_r);
 504 #elif defined GNULIB_POSIXCHECK
 505 # undef ptsname_r
 506 # if HAVE_RAW_DECL_PTSNAME_R
 507 _GL_WARN_ON_USE (ptsname_r, "ptsname_r is not portable - "
 508                  "use gnulib module ptsname_r for portability");
 509 # endif
 510 #endif
 511
 512 #if @GNULIB_PUTENV@
 513 # if @REPLACE_PUTENV@
 514 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 515 #   undef putenv
 516 #   define putenv rpl_putenv
 517 #  endif
 518 _GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
 519 _GL_CXXALIAS_RPL (putenv, int, (char *string));
 520 # else
 521 _GL_CXXALIAS_SYS (putenv, int, (char *string));
 522 # endif
 523 _GL_CXXALIASWARN (putenv);
 524 #endif
 525
 526 #if @GNULIB_QSORT_R@
 527 /* Sort an array of NMEMB elements, starting at address BASE, each element
 528    occupying SIZE bytes, in ascending order according to the comparison
 529    function COMPARE.  */
 530 # if @REPLACE_QSORT_R@
 531 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 532 #   undef qsort_r
 533 #   define qsort_r rpl_qsort_r
 534 #  endif
 535 _GL_FUNCDECL_RPL (qsort_r, void, (void *base, size_t nmemb, size_t size,
 536                                   int (*compare) (void const *, void const *,
 537                                                   void *),
 538                                   void *arg) _GL_ARG_NONNULL ((1, 4)));
 539 _GL_CXXALIAS_RPL (qsort_r, void, (void *base, size_t nmemb, size_t size,
 540                                   int (*compare) (void const *, void const *,
 541                                                   void *),
 542                                   void *arg));
 543 # else
 544 #  if !@HAVE_QSORT_R@
 545 _GL_FUNCDECL_SYS (qsort_r, void, (void *base, size_t nmemb, size_t size,
 546                                   int (*compare) (void const *, void const *,
 547                                                   void *),
 548                                   void *arg) _GL_ARG_NONNULL ((1, 4)));
 549 #  endif
 550 _GL_CXXALIAS_SYS (qsort_r, void, (void *base, size_t nmemb, size_t size,
 551                                   int (*compare) (void const *, void const *,
 552                                                   void *),
 553                                   void *arg));
 554 # endif
 555 _GL_CXXALIASWARN (qsort_r);
 556 #elif defined GNULIB_POSIXCHECK
 557 # undef qsort_r
 558 # if HAVE_RAW_DECL_QSORT_R
 559 _GL_WARN_ON_USE (qsort_r, "qsort_r is not portable - "
 560                  "use gnulib module qsort_r for portability");
 561 # endif
 562 #endif
 563
 564
 565 #if @GNULIB_RANDOM_R@
 566 # if !@HAVE_RANDOM_R@
 567 #  ifndef RAND_MAX
 568 #   define RAND_MAX 2147483647
 569 #  endif
 570 # endif
 571 #endif
 572
 573
 574 #if @GNULIB_RANDOM@
 575 # if !@HAVE_RANDOM@
 576 _GL_FUNCDECL_SYS (random, long, (void));
 577 # endif
 578 _GL_CXXALIAS_SYS (random, long, (void));
 579 _GL_CXXALIASWARN (random);
 580 #elif defined GNULIB_POSIXCHECK
 581 # undef random
 582 # if HAVE_RAW_DECL_RANDOM
 583 _GL_WARN_ON_USE (random, "random is unportable - "
 584                  "use gnulib module random for portability");
 585 # endif
 586 #endif
 587
 588 #if @GNULIB_RANDOM@
 589 # if !@HAVE_RANDOM@
 590 _GL_FUNCDECL_SYS (srandom, void, (unsigned int seed));
 591 # endif
 592 _GL_CXXALIAS_SYS (srandom, void, (unsigned int seed));
 593 _GL_CXXALIASWARN (srandom);
 594 #elif defined GNULIB_POSIXCHECK
 595 # undef srandom
 596 # if HAVE_RAW_DECL_SRANDOM
 597 _GL_WARN_ON_USE (srandom, "srandom is unportable - "
 598                  "use gnulib module random for portability");
 599 # endif
 600 #endif
 601
 602 #if @GNULIB_RANDOM@
 603 # if !@HAVE_RANDOM@ || !@HAVE_DECL_INITSTATE@
 604 _GL_FUNCDECL_SYS (initstate, char *,
 605                   (unsigned int seed, char *buf, size_t buf_size)
 606                   _GL_ARG_NONNULL ((2)));
 607 # endif
 608 _GL_CXXALIAS_SYS (initstate, char *,
 609                   (unsigned int seed, char *buf, size_t buf_size));
 610 _GL_CXXALIASWARN (initstate);
 611 #elif defined GNULIB_POSIXCHECK
 612 # undef initstate
 613 # if HAVE_RAW_DECL_INITSTATE_R
 614 _GL_WARN_ON_USE (initstate, "initstate is unportable - "
 615                  "use gnulib module random for portability");
 616 # endif
 617 #endif
 618
 619 #if @GNULIB_RANDOM@
 620 # if !@HAVE_RANDOM@ || !@HAVE_DECL_SETSTATE@
 621 _GL_FUNCDECL_SYS (setstate, char *, (char *arg_state) _GL_ARG_NONNULL ((1)));
 622 # endif
 623 _GL_CXXALIAS_SYS (setstate, char *, (char *arg_state));
 624 _GL_CXXALIASWARN (setstate);
 625 #elif defined GNULIB_POSIXCHECK
 626 # undef setstate
 627 # if HAVE_RAW_DECL_SETSTATE_R
 628 _GL_WARN_ON_USE (setstate, "setstate is unportable - "
 629                  "use gnulib module random for portability");
 630 # endif
 631 #endif
 632
 633
 634 #if @GNULIB_RANDOM_R@
 635 # if @REPLACE_RANDOM_R@
 636 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 637 #   undef random_r
 638 #   define random_r rpl_random_r
 639 #  endif
 640 _GL_FUNCDECL_RPL (random_r, int, (struct random_data *buf, int32_t *result)
 641                                  _GL_ARG_NONNULL ((1, 2)));
 642 _GL_CXXALIAS_RPL (random_r, int, (struct random_data *buf, int32_t *result));
 643 # else
 644 #  if !@HAVE_RANDOM_R@
 645 _GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
 646                                  _GL_ARG_NONNULL ((1, 2)));
 647 #  endif
 648 _GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
 649 # endif
 650 _GL_CXXALIASWARN (random_r);
 651 #elif defined GNULIB_POSIXCHECK
 652 # undef random_r
 653 # if HAVE_RAW_DECL_RANDOM_R
 654 _GL_WARN_ON_USE (random_r, "random_r is unportable - "
 655                  "use gnulib module random_r for portability");
 656 # endif
 657 #endif
 658
 659 #if @GNULIB_RANDOM_R@
 660 # if @REPLACE_RANDOM_R@
 661 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 662 #   undef srandom_r
 663 #   define srandom_r rpl_srandom_r
 664 #  endif
 665 _GL_FUNCDECL_RPL (srandom_r, int,
 666                   (unsigned int seed, struct random_data *rand_state)
 667                   _GL_ARG_NONNULL ((2)));
 668 _GL_CXXALIAS_RPL (srandom_r, int,
 669                   (unsigned int seed, struct random_data *rand_state));
 670 # else
 671 #  if !@HAVE_RANDOM_R@
 672 _GL_FUNCDECL_SYS (srandom_r, int,
 673                   (unsigned int seed, struct random_data *rand_state)
 674                   _GL_ARG_NONNULL ((2)));
 675 #  endif
 676 _GL_CXXALIAS_SYS (srandom_r, int,
 677                   (unsigned int seed, struct random_data *rand_state));
 678 # endif
 679 _GL_CXXALIASWARN (srandom_r);
 680 #elif defined GNULIB_POSIXCHECK
 681 # undef srandom_r
 682 # if HAVE_RAW_DECL_SRANDOM_R
 683 _GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
 684                  "use gnulib module random_r for portability");
 685 # endif
 686 #endif
 687
 688 #if @GNULIB_RANDOM_R@
 689 # if @REPLACE_RANDOM_R@
 690 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 691 #   undef initstate_r
 692 #   define initstate_r rpl_initstate_r
 693 #  endif
 694 _GL_FUNCDECL_RPL (initstate_r, int,
 695                   (unsigned int seed, char *buf, size_t buf_size,
 696                    struct random_data *rand_state)
 697                   _GL_ARG_NONNULL ((2, 4)));
 698 _GL_CXXALIAS_RPL (initstate_r, int,
 699                   (unsigned int seed, char *buf, size_t buf_size,
 700                    struct random_data *rand_state));
 701 # else
 702 #  if !@HAVE_RANDOM_R@
 703 _GL_FUNCDECL_SYS (initstate_r, int,
 704                   (unsigned int seed, char *buf, size_t buf_size,
 705                    struct random_data *rand_state)
 706                   _GL_ARG_NONNULL ((2, 4)));
 707 #  endif
 708 _GL_CXXALIAS_SYS (initstate_r, int,
 709                   (unsigned int seed, char *buf, size_t buf_size,
 710                    struct random_data *rand_state));
 711 # endif
 712 _GL_CXXALIASWARN (initstate_r);
 713 #elif defined GNULIB_POSIXCHECK
 714 # undef initstate_r
 715 # if HAVE_RAW_DECL_INITSTATE_R
 716 _GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
 717                  "use gnulib module random_r for portability");
 718 # endif
 719 #endif
 720
 721 #if @GNULIB_RANDOM_R@
 722 # if @REPLACE_RANDOM_R@
 723 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 724 #   undef setstate_r
 725 #   define setstate_r rpl_setstate_r
 726 #  endif
 727 _GL_FUNCDECL_RPL (setstate_r, int,
 728                   (char *arg_state, struct random_data *rand_state)
 729                   _GL_ARG_NONNULL ((1, 2)));
 730 _GL_CXXALIAS_RPL (setstate_r, int,
 731                   (char *arg_state, struct random_data *rand_state));
 732 # else
 733 #  if !@HAVE_RANDOM_R@
 734 _GL_FUNCDECL_SYS (setstate_r, int,
 735                   (char *arg_state, struct random_data *rand_state)
 736                   _GL_ARG_NONNULL ((1, 2)));
 737 #  endif
 738 _GL_CXXALIAS_SYS (setstate_r, int,
 739                   (char *arg_state, struct random_data *rand_state));
 740 # endif
 741 _GL_CXXALIASWARN (setstate_r);
 742 #elif defined GNULIB_POSIXCHECK
 743 # undef setstate_r
 744 # if HAVE_RAW_DECL_SETSTATE_R
 745 _GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
 746                  "use gnulib module random_r for portability");
 747 # endif
 748 #endif
 749
 750
 751 #if @GNULIB_REALLOC_POSIX@
 752 # if @REPLACE_REALLOC@
 753 #  if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
 754         || _GL_USE_STDLIB_ALLOC)
 755 #   undef realloc
 756 #   define realloc rpl_realloc
 757 #  endif
 758 _GL_FUNCDECL_RPL (realloc, void *, (void *ptr, size_t size));
 759 _GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
 760 # else
 761 _GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
 762 # endif
 763 _GL_CXXALIASWARN (realloc);
 764 #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
 765 # undef realloc
 766 /* Assume realloc is always declared.  */
 767 _GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
 768                  "use gnulib module realloc-posix for portability");
 769 #endif
 770
 771
 772 #if @GNULIB_REALLOCARRAY@
 773 # if ! @HAVE_REALLOCARRAY@
 774 _GL_FUNCDECL_SYS (reallocarray, void *,
 775                   (void *ptr, size_t nmemb, size_t size));
 776 # endif
 777 _GL_CXXALIAS_SYS (reallocarray, void *,
 778                   (void *ptr, size_t nmemb, size_t size));
 779 _GL_CXXALIASWARN (reallocarray);
 780 #elif defined GNULIB_POSIXCHECK
 781 # undef reallocarray
 782 # if HAVE_RAW_DECL_REALLOCARRAY
 783 _GL_WARN_ON_USE (reallocarray, "reallocarray is not portable - "
 784                  "use gnulib module reallocarray for portability");
 785 # endif
 786 #endif
 787
 788 #if @GNULIB_REALPATH@
 789 # if @REPLACE_REALPATH@
 790 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 791 #   define realpath rpl_realpath
 792 #  endif
 793 _GL_FUNCDECL_RPL (realpath, char *, (const char *name, char *resolved)
 794                                     _GL_ARG_NONNULL ((1)));
 795 _GL_CXXALIAS_RPL (realpath, char *, (const char *name, char *resolved));
 796 # else
 797 #  if !@HAVE_REALPATH@
 798 _GL_FUNCDECL_SYS (realpath, char *, (const char *name, char *resolved)
 799                                     _GL_ARG_NONNULL ((1)));
 800 #  endif
 801 _GL_CXXALIAS_SYS (realpath, char *, (const char *name, char *resolved));
 802 # endif
 803 _GL_CXXALIASWARN (realpath);
 804 #elif defined GNULIB_POSIXCHECK
 805 # undef realpath
 806 # if HAVE_RAW_DECL_REALPATH
 807 _GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
 808                  "canonicalize or canonicalize-lgpl for portability");
 809 # endif
 810 #endif
 811
 812 #if @GNULIB_RPMATCH@
 813 /* Test a user response to a question.
 814    Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear.  */
 815 # if !@HAVE_RPMATCH@
 816 _GL_FUNCDECL_SYS (rpmatch, int, (const char *response) _GL_ARG_NONNULL ((1)));
 817 # endif
 818 _GL_CXXALIAS_SYS (rpmatch, int, (const char *response));
 819 _GL_CXXALIASWARN (rpmatch);
 820 #elif defined GNULIB_POSIXCHECK
 821 # undef rpmatch
 822 # if HAVE_RAW_DECL_RPMATCH
 823 _GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
 824                  "use gnulib module rpmatch for portability");
 825 # endif
 826 #endif
 827
 828 #if @GNULIB_SECURE_GETENV@
 829 /* Look up NAME in the environment, returning 0 in insecure situations.  */
 830 # if !@HAVE_SECURE_GETENV@
 831 _GL_FUNCDECL_SYS (secure_getenv, char *,
 832                   (char const *name) _GL_ARG_NONNULL ((1)));
 833 # endif
 834 _GL_CXXALIAS_SYS (secure_getenv, char *, (char const *name));
 835 _GL_CXXALIASWARN (secure_getenv);
 836 #elif defined GNULIB_POSIXCHECK
 837 # undef secure_getenv
 838 # if HAVE_RAW_DECL_SECURE_GETENV
 839 _GL_WARN_ON_USE (secure_getenv, "secure_getenv is unportable - "
 840                  "use gnulib module secure_getenv for portability");
 841 # endif
 842 #endif
 843
 844 #if @GNULIB_SETENV@
 845 /* Set NAME to VALUE in the environment.
 846    If REPLACE is nonzero, overwrite an existing value.  */
 847 # if @REPLACE_SETENV@
 848 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 849 #   undef setenv
 850 #   define setenv rpl_setenv
 851 #  endif
 852 _GL_FUNCDECL_RPL (setenv, int,
 853                   (const char *name, const char *value, int replace)
 854                   _GL_ARG_NONNULL ((1)));
 855 _GL_CXXALIAS_RPL (setenv, int,
 856                   (const char *name, const char *value, int replace));
 857 # else
 858 #  if !@HAVE_DECL_SETENV@
 859 _GL_FUNCDECL_SYS (setenv, int,
 860                   (const char *name, const char *value, int replace)
 861                   _GL_ARG_NONNULL ((1)));
 862 #  endif
 863 _GL_CXXALIAS_SYS (setenv, int,
 864                   (const char *name, const char *value, int replace));
 865 # endif
 866 # if !(@REPLACE_SETENV@ && !@HAVE_DECL_SETENV@)
 867 _GL_CXXALIASWARN (setenv);
 868 # endif
 869 #elif defined GNULIB_POSIXCHECK
 870 # undef setenv
 871 # if HAVE_RAW_DECL_SETENV
 872 _GL_WARN_ON_USE (setenv, "setenv is unportable - "
 873                  "use gnulib module setenv for portability");
 874 # endif
 875 #endif
 876
 877 #if @GNULIB_STRTOD@
 878  /* Parse a double from STRING, updating ENDP if appropriate.  */
 879 # if @REPLACE_STRTOD@
 880 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 881 #   define strtod rpl_strtod
 882 #  endif
 883 _GL_FUNCDECL_RPL (strtod, double, (const char *str, char **endp)
 884                                   _GL_ARG_NONNULL ((1)));
 885 _GL_CXXALIAS_RPL (strtod, double, (const char *str, char **endp));
 886 # else
 887 #  if !@HAVE_STRTOD@
 888 _GL_FUNCDECL_SYS (strtod, double, (const char *str, char **endp)
 889                                   _GL_ARG_NONNULL ((1)));
 890 #  endif
 891 _GL_CXXALIAS_SYS (strtod, double, (const char *str, char **endp));
 892 # endif
 893 _GL_CXXALIASWARN (strtod);
 894 #elif defined GNULIB_POSIXCHECK
 895 # undef strtod
 896 # if HAVE_RAW_DECL_STRTOD
 897 _GL_WARN_ON_USE (strtod, "strtod is unportable - "
 898                  "use gnulib module strtod for portability");
 899 # endif
 900 #endif
 901
 902 #if @GNULIB_STRTOLL@
 903 /* Parse a signed integer whose textual representation starts at STRING.
 904    The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
 905    it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
 906    "0x").
 907    If ENDPTR is not NULL, the address of the first byte after the integer is
 908    stored in *ENDPTR.
 909    Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
 910    to ERANGE.  */
 911 # if !@HAVE_STRTOLL@
 912 _GL_FUNCDECL_SYS (strtoll, long long,
 913                   (const char *string, char **endptr, int base)
 914                   _GL_ARG_NONNULL ((1)));
 915 # endif
 916 _GL_CXXALIAS_SYS (strtoll, long long,
 917                   (const char *string, char **endptr, int base));
 918 _GL_CXXALIASWARN (strtoll);
 919 #elif defined GNULIB_POSIXCHECK
 920 # undef strtoll
 921 # if HAVE_RAW_DECL_STRTOLL
 922 _GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
 923                  "use gnulib module strtoll for portability");
 924 # endif
 925 #endif
 926
 927 #if @GNULIB_STRTOULL@
 928 /* Parse an unsigned integer whose textual representation starts at STRING.
 929    The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
 930    it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
 931    "0x").
 932    If ENDPTR is not NULL, the address of the first byte after the integer is
 933    stored in *ENDPTR.
 934    Upon overflow, the return value is ULLONG_MAX, and errno is set to
 935    ERANGE.  */
 936 # if !@HAVE_STRTOULL@
 937 _GL_FUNCDECL_SYS (strtoull, unsigned long long,
 938                   (const char *string, char **endptr, int base)
 939                   _GL_ARG_NONNULL ((1)));
 940 # endif
 941 _GL_CXXALIAS_SYS (strtoull, unsigned long long,
 942                   (const char *string, char **endptr, int base));
 943 _GL_CXXALIASWARN (strtoull);
 944 #elif defined GNULIB_POSIXCHECK
 945 # undef strtoull
 946 # if HAVE_RAW_DECL_STRTOULL
 947 _GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
 948                  "use gnulib module strtoull for portability");
 949 # endif
 950 #endif
 951
 952 #if @GNULIB_UNLOCKPT@
 953 /* Unlock the slave side of the pseudo-terminal whose master side is specified
 954    by FD, so that it can be opened.  */
 955 # if !@HAVE_UNLOCKPT@
 956 _GL_FUNCDECL_SYS (unlockpt, int, (int fd));
 957 # endif
 958 _GL_CXXALIAS_SYS (unlockpt, int, (int fd));
 959 _GL_CXXALIASWARN (unlockpt);
 960 #elif defined GNULIB_POSIXCHECK
 961 # undef unlockpt
 962 # if HAVE_RAW_DECL_UNLOCKPT
 963 _GL_WARN_ON_USE (unlockpt, "unlockpt is not portable - "
 964                  "use gnulib module unlockpt for portability");
 965 # endif
 966 #endif
 967
 968 #if @GNULIB_UNSETENV@
 969 /* Remove the variable NAME from the environment.  */
 970 # if @REPLACE_UNSETENV@
 971 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 972 #   undef unsetenv
 973 #   define unsetenv rpl_unsetenv
 974 #  endif
 975 _GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
 976 _GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
 977 # else
 978 #  if !@HAVE_DECL_UNSETENV@
 979 _GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
 980 #  endif
 981 _GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
 982 # endif
 983 # if !(@REPLACE_UNSETENV@ && !@HAVE_DECL_UNSETENV@)
 984 _GL_CXXALIASWARN (unsetenv);
 985 # endif
 986 #elif defined GNULIB_POSIXCHECK
 987 # undef unsetenv
 988 # if HAVE_RAW_DECL_UNSETENV
 989 _GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
 990                  "use gnulib module unsetenv for portability");
 991 # endif
 992 #endif
 993
 994 /* Convert a wide character to a multibyte character.  */
 995 #if @GNULIB_WCTOMB@
 996 # if @REPLACE_WCTOMB@
 997 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 998 #   undef wctomb
 999 #   define wctomb rpl_wctomb
1000 #  endif
1001 _GL_FUNCDECL_RPL (wctomb, int, (char *s, wchar_t wc));
1002 _GL_CXXALIAS_RPL (wctomb, int, (char *s, wchar_t wc));
1003 # else
1004 _GL_CXXALIAS_SYS (wctomb, int, (char *s, wchar_t wc));
1005 # endif
1006 _GL_CXXALIASWARN (wctomb);
1007 #endif
1008
1009
1010 #endif /* _@GUARD_PREFIX@_STDLIB_H */
1011 #endif /* _@GUARD_PREFIX@_STDLIB_H */
1012 #endif