1 /* A GNU-like <stdlib.h>.
3 Copyright (C) 1995, 2001-2004, 2006-2010 Free Software Foundation, Inc.
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.
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.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 @PRAGMA_SYSTEM_HEADER@
22 #if defined __need_malloc_and_calloc
23 /* Special invocation convention inside glibc header files. */
25 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
28 /* Normal invocation convention. */
32 /* The include_next requires a split double-inclusion guard. */
33 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
38 /* NetBSD 5.0 mis-defines NULL. */
41 /* Solaris declares getloadavg() in <sys/loadavg.h>. */
42 #if (@GNULIB_GETLOADAVG@ || defined GNULIB_POSIXCHECK) && @HAVE_SYS_LOADAVG_H@
43 # include <sys/loadavg.h>
46 /* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
47 from <stdlib.h> if _REENTRANT is defined. Include it always. */
52 #if !@HAVE_STRUCT_RANDOM_DATA@ || (@GNULIB_RANDOM_R@ && !@HAVE_RANDOM_R@) \
53 || defined GNULIB_POSIXCHECK
57 #if !@HAVE_STRUCT_RANDOM_DATA@
60 int32_t *fptr; /* Front pointer. */
61 int32_t *rptr; /* Rear pointer. */
62 int32_t *state; /* Array of state values. */
63 int rand_type; /* Type of random number generator. */
64 int rand_deg; /* Degree of random number generator. */
65 int rand_sep; /* Distance between front and rear. */
66 int32_t *end_ptr; /* Pointer behind state table. */
70 #if (@GNULIB_MKSTEMP@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__
71 /* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
72 /* On Cygwin 1.7.1, only <unistd.h> declares getsubopt. */
73 /* But avoid namespace pollution on glibc systems. */
77 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
79 /* The definition of _GL_ARG_NONNULL is copied here. */
81 /* The definition of _GL_WARN_ON_USE is copied here. */
84 /* Some systems do not define EXIT_*, despite otherwise supporting C89. */
86 # define EXIT_SUCCESS 0
88 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
89 with proper operation of xargs. */
91 # define EXIT_FAILURE 1
92 #elif EXIT_FAILURE != 1
94 # define EXIT_FAILURE 1
99 /* Parse a signed decimal integer.
100 Returns the value of the integer. Errors are not detected. */
102 _GL_FUNCDECL_SYS (atoll, long long, (const char *string) _GL_ARG_NONNULL ((1)));
104 _GL_CXXALIAS_SYS (atoll, long long, (const char *string));
105 _GL_CXXALIASWARN (atoll);
106 #elif defined GNULIB_POSIXCHECK
108 # if HAVE_RAW_DECL_ATOLL
109 _GL_WARN_ON_USE (atoll, "atoll is unportable - "
110 "use gnulib module atoll for portability");
114 #if @GNULIB_CALLOC_POSIX@
115 # if !@HAVE_CALLOC_POSIX@
116 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
118 # define calloc rpl_calloc
120 _GL_FUNCDECL_RPL (calloc, void *, (size_t nmemb, size_t size));
121 _GL_CXXALIAS_RPL (calloc, void *, (size_t nmemb, size_t size));
123 _GL_CXXALIAS_SYS (calloc, void *, (size_t nmemb, size_t size));
125 _GL_CXXALIASWARN (calloc);
126 #elif defined GNULIB_POSIXCHECK
128 /* Assume calloc is always declared. */
129 _GL_WARN_ON_USE (calloc, "calloc is not POSIX compliant everywhere - "
130 "use gnulib module calloc-posix for portability");
133 #if @GNULIB_CANONICALIZE_FILE_NAME@
134 # if @REPLACE_CANONICALIZE_FILE_NAME@
135 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
136 # define canonicalize_file_name rpl_canonicalize_file_name
138 _GL_FUNCDECL_RPL (canonicalize_file_name, char *, (const char *name)
139 _GL_ARG_NONNULL ((1)));
140 _GL_CXXALIAS_RPL (canonicalize_file_name, char *, (const char *name));
142 # if !@HAVE_CANONICALIZE_FILE_NAME@
143 _GL_FUNCDECL_SYS (canonicalize_file_name, char *, (const char *name)
144 _GL_ARG_NONNULL ((1)));
146 _GL_CXXALIAS_SYS (canonicalize_file_name, char *, (const char *name));
148 _GL_CXXALIASWARN (canonicalize_file_name);
149 #elif defined GNULIB_POSIXCHECK
150 # undef canonicalize_file_name
151 # if HAVE_RAW_DECL_CANONICALIZE_FILE_NAME
152 _GL_WARN_ON_USE (canonicalize_file_name, "canonicalize_file_name is unportable - "
153 "use gnulib module canonicalize-lgpl for portability");
157 #if @GNULIB_GETLOADAVG@
158 /* Store max(NELEM,3) load average numbers in LOADAVG[].
159 The three numbers are the load average of the last 1 minute, the last 5
160 minutes, and the last 15 minutes, respectively.
161 LOADAVG is an array of NELEM numbers. */
162 # if !@HAVE_DECL_GETLOADAVG@
163 _GL_FUNCDECL_SYS (getloadavg, int, (double loadavg[], int nelem)
164 _GL_ARG_NONNULL ((1)));
166 _GL_CXXALIAS_SYS (getloadavg, int, (double loadavg[], int nelem));
167 _GL_CXXALIASWARN (getloadavg);
168 #elif defined GNULIB_POSIXCHECK
170 # if HAVE_RAW_DECL_GETLOADAVG
171 _GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - "
172 "use gnulib module getloadavg for portability");
176 #if @GNULIB_GETSUBOPT@
177 /* Assuming *OPTIONP is a comma separated list of elements of the form
178 "token" or "token=value", getsubopt parses the first of these elements.
179 If the first element refers to a "token" that is member of the given
180 NULL-terminated array of tokens:
181 - It replaces the comma with a NUL byte, updates *OPTIONP to point past
182 the first option and the comma, sets *VALUEP to the value of the
183 element (or NULL if it doesn't contain an "=" sign),
184 - It returns the index of the "token" in the given array of tokens.
185 Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
186 For more details see the POSIX:2001 specification.
187 http://www.opengroup.org/susv3xsh/getsubopt.html */
188 # if !@HAVE_GETSUBOPT@
189 _GL_FUNCDECL_SYS (getsubopt, int,
190 (char **optionp, char *const *tokens, char **valuep)
191 _GL_ARG_NONNULL ((1, 2, 3)));
193 _GL_CXXALIAS_SYS (getsubopt, int,
194 (char **optionp, char *const *tokens, char **valuep));
195 _GL_CXXALIASWARN (getsubopt);
196 #elif defined GNULIB_POSIXCHECK
198 # if HAVE_RAW_DECL_GETSUBOPT
199 _GL_WARN_ON_USE (getsubopt, "getsubopt is unportable - "
200 "use gnulib module getsubopt for portability");
204 #if @GNULIB_MALLOC_POSIX@
205 # if !@HAVE_MALLOC_POSIX@
206 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
208 # define malloc rpl_malloc
210 _GL_FUNCDECL_RPL (malloc, void *, (size_t size));
211 _GL_CXXALIAS_RPL (malloc, void *, (size_t size));
213 _GL_CXXALIAS_SYS (malloc, void *, (size_t size));
215 _GL_CXXALIASWARN (malloc);
216 #elif defined GNULIB_POSIXCHECK
218 /* Assume malloc is always declared. */
219 _GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
220 "use gnulib module malloc-posix for portability");
224 /* Create a unique temporary directory from TEMPLATE.
225 The last six characters of TEMPLATE must be "XXXXXX";
226 they are replaced with a string that makes the directory name unique.
227 Returns TEMPLATE, or a null pointer if it cannot get a unique name.
228 The directory is created mode 700. */
230 _GL_FUNCDECL_SYS (mkdtemp, char *, (char * /*template*/) _GL_ARG_NONNULL ((1)));
232 _GL_CXXALIAS_SYS (mkdtemp, char *, (char * /*template*/));
233 _GL_CXXALIASWARN (mkdtemp);
234 #elif defined GNULIB_POSIXCHECK
236 # if HAVE_RAW_DECL_MKDTEMP
237 _GL_WARN_ON_USE (mkdtemp, "mkdtemp is unportable - "
238 "use gnulib module mkdtemp for portability");
242 #if @GNULIB_MKOSTEMP@
243 /* Create a unique temporary file from TEMPLATE.
244 The last six characters of TEMPLATE must be "XXXXXX";
245 they are replaced with a string that makes the file name unique.
246 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
247 and O_TEXT, O_BINARY (defined in "binary-io.h").
248 The file is then created, with the specified flags, ensuring it didn't exist
250 The file is created read-write (mask at least 0600 & ~umask), but it may be
251 world-readable and world-writable (mask 0666 & ~umask), depending on the
253 Returns the open file descriptor if successful, otherwise -1 and errno
255 # if !@HAVE_MKOSTEMP@
256 _GL_FUNCDECL_SYS (mkostemp, int, (char * /*template*/, int /*flags*/)
257 _GL_ARG_NONNULL ((1)));
259 _GL_CXXALIAS_SYS (mkostemp, int, (char * /*template*/, int /*flags*/));
260 _GL_CXXALIASWARN (mkostemp);
261 #elif defined GNULIB_POSIXCHECK
263 # if HAVE_RAW_DECL_MKOSTEMP
264 _GL_WARN_ON_USE (mkostemp, "mkostemp is unportable - "
265 "use gnulib module mkostemp for portability");
269 #if @GNULIB_MKOSTEMPS@
270 /* Create a unique temporary file from TEMPLATE.
271 The last six characters of TEMPLATE before a suffix of length
272 SUFFIXLEN must be "XXXXXX";
273 they are replaced with a string that makes the file name unique.
274 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
275 and O_TEXT, O_BINARY (defined in "binary-io.h").
276 The file is then created, with the specified flags, ensuring it didn't exist
278 The file is created read-write (mask at least 0600 & ~umask), but it may be
279 world-readable and world-writable (mask 0666 & ~umask), depending on the
281 Returns the open file descriptor if successful, otherwise -1 and errno
283 # if !@HAVE_MKOSTEMPS@
284 _GL_FUNCDECL_SYS (mkostemps, int,
285 (char * /*template*/, int /*suffixlen*/, int /*flags*/)
286 _GL_ARG_NONNULL ((1)));
288 _GL_CXXALIAS_SYS (mkostemps, int,
289 (char * /*template*/, int /*suffixlen*/, int /*flags*/));
290 _GL_CXXALIASWARN (mkostemps);
291 #elif defined GNULIB_POSIXCHECK
293 # if HAVE_RAW_DECL_MKOSTEMPS
294 _GL_WARN_ON_USE (mkostemps, "mkostemps is unportable - "
295 "use gnulib module mkostemps for portability");
300 /* Create a unique temporary file from TEMPLATE.
301 The last six characters of TEMPLATE must be "XXXXXX";
302 they are replaced with a string that makes the file name unique.
303 The file is then created, ensuring it didn't exist before.
304 The file is created read-write (mask at least 0600 & ~umask), but it may be
305 world-readable and world-writable (mask 0666 & ~umask), depending on the
307 Returns the open file descriptor if successful, otherwise -1 and errno
309 # if @REPLACE_MKSTEMP@
310 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
311 # define mkstemp rpl_mkstemp
313 _GL_FUNCDECL_RPL (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
314 _GL_CXXALIAS_RPL (mkstemp, int, (char * /*template*/));
316 _GL_CXXALIAS_SYS (mkstemp, int, (char * /*template*/));
318 _GL_CXXALIASWARN (mkstemp);
319 #elif defined GNULIB_POSIXCHECK
321 # if HAVE_RAW_DECL_MKSTEMP
322 _GL_WARN_ON_USE (mkstemp, "mkstemp is unportable - "
323 "use gnulib module mkstemp for portability");
327 #if @GNULIB_MKSTEMPS@
328 /* Create a unique temporary file from TEMPLATE.
329 The last six characters of TEMPLATE prior to a suffix of length
330 SUFFIXLEN must be "XXXXXX";
331 they are replaced with a string that makes the file name unique.
332 The file is then created, ensuring it didn't exist before.
333 The file is created read-write (mask at least 0600 & ~umask), but it may be
334 world-readable and world-writable (mask 0666 & ~umask), depending on the
336 Returns the open file descriptor if successful, otherwise -1 and errno
338 # if !@HAVE_MKSTEMPS@
339 _GL_FUNCDECL_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/)
340 _GL_ARG_NONNULL ((1)));
342 _GL_CXXALIAS_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/));
343 _GL_CXXALIASWARN (mkstemps);
344 #elif defined GNULIB_POSIXCHECK
346 # if HAVE_RAW_DECL_MKSTEMPS
347 _GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
348 "use gnulib module mkstemps for portability");
353 /* Return the pathname of the pseudo-terminal slave associated with
354 the master FD is open on, or NULL on errors. */
356 _GL_FUNCDECL_SYS (ptsname, char *, (int fd));
358 _GL_CXXALIAS_SYS (ptsname, char *, (int fd));
359 _GL_CXXALIASWARN (ptsname);
360 #elif defined GNULIB_POSIXCHECK
362 # if HAVE_RAW_DECL_PTSNAME
363 _GL_WARN_ON_USE (ptsname, "ptsname is not portable - "
364 "use gnulib module ptsname for portability");
369 # if @REPLACE_PUTENV@
370 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
372 # define putenv rpl_putenv
374 _GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
375 _GL_CXXALIAS_RPL (putenv, int, (char *string));
377 _GL_CXXALIAS_SYS (putenv, int, (char *string));
379 _GL_CXXALIASWARN (putenv);
383 #if @GNULIB_RANDOM_R@
384 # if !@HAVE_RANDOM_R@
386 # define RAND_MAX 2147483647
391 #if @GNULIB_RANDOM_R@
392 # if !@HAVE_RANDOM_R@
393 _GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
394 _GL_ARG_NONNULL ((1, 2)));
396 _GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
397 _GL_CXXALIASWARN (random_r);
398 #elif defined GNULIB_POSIXCHECK
400 # if HAVE_RAW_DECL_RANDOM_R
401 _GL_WARN_ON_USE (random_r, "random_r is unportable - "
402 "use gnulib module random_r for portability");
406 #if @GNULIB_RANDOM_R@
407 # if !@HAVE_RANDOM_R@
408 _GL_FUNCDECL_SYS (srandom_r, int,
409 (unsigned int seed, struct random_data *rand_state)
410 _GL_ARG_NONNULL ((2)));
412 _GL_CXXALIAS_SYS (srandom_r, int,
413 (unsigned int seed, struct random_data *rand_state));
414 _GL_CXXALIASWARN (srandom_r);
415 #elif defined GNULIB_POSIXCHECK
417 # if HAVE_RAW_DECL_SRANDOM_R
418 _GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
419 "use gnulib module random_r for portability");
423 #if @GNULIB_RANDOM_R@
424 # if !@HAVE_RANDOM_R@
425 _GL_FUNCDECL_SYS (initstate_r, int,
426 (unsigned int seed, char *buf, size_t buf_size,
427 struct random_data *rand_state)
428 _GL_ARG_NONNULL ((2, 4)));
430 _GL_CXXALIAS_SYS (initstate_r, int,
431 (unsigned int seed, char *buf, size_t buf_size,
432 struct random_data *rand_state));
433 _GL_CXXALIASWARN (initstate_r);
434 #elif defined GNULIB_POSIXCHECK
436 # if HAVE_RAW_DECL_INITSTATE_R
437 _GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
438 "use gnulib module random_r for portability");
442 #if @GNULIB_RANDOM_R@
443 # if !@HAVE_RANDOM_R@
444 _GL_FUNCDECL_SYS (setstate_r, int,
445 (char *arg_state, struct random_data *rand_state)
446 _GL_ARG_NONNULL ((1, 2)));
448 _GL_CXXALIAS_SYS (setstate_r, int,
449 (char *arg_state, struct random_data *rand_state));
450 _GL_CXXALIASWARN (setstate_r);
451 #elif defined GNULIB_POSIXCHECK
453 # if HAVE_RAW_DECL_SETSTATE_R
454 _GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
455 "use gnulib module random_r for portability");
460 #if @GNULIB_REALLOC_POSIX@
461 # if !@HAVE_REALLOC_POSIX@
462 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
464 # define realloc rpl_realloc
466 _GL_FUNCDECL_RPL (realloc, void *, (void *ptr, size_t size));
467 _GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
469 _GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
471 _GL_CXXALIASWARN (realloc);
472 #elif defined GNULIB_POSIXCHECK
474 /* Assume realloc is always declared. */
475 _GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
476 "use gnulib module realloc-posix for portability");
479 #if @GNULIB_REALPATH@
480 # if @REPLACE_REALPATH@
481 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
482 # define realpath rpl_realpath
484 _GL_FUNCDECL_RPL (realpath, char *, (const char *name, char *resolved)
485 _GL_ARG_NONNULL ((1)));
486 _GL_CXXALIAS_RPL (realpath, char *, (const char *name, char *resolved));
488 # if !@HAVE_REALPATH@
489 _GL_FUNCDECL_SYS (realpath, char *, (const char *name, char *resolved)
490 _GL_ARG_NONNULL ((1)));
492 _GL_CXXALIAS_SYS (realpath, char *, (const char *name, char *resolved));
494 _GL_CXXALIASWARN (realpath);
495 #elif defined GNULIB_POSIXCHECK
497 # if HAVE_RAW_DECL_REALPATH
498 _GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
499 "canonicalize or canonicalize-lgpl for portability");
504 /* Test a user response to a question.
505 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
507 _GL_FUNCDECL_SYS (rpmatch, int, (const char *response) _GL_ARG_NONNULL ((1)));
509 _GL_CXXALIAS_SYS (rpmatch, int, (const char *response));
510 _GL_CXXALIASWARN (rpmatch);
511 #elif defined GNULIB_POSIXCHECK
513 # if HAVE_RAW_DECL_RPMATCH
514 _GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
515 "use gnulib module rpmatch for portability");
520 /* Set NAME to VALUE in the environment.
521 If REPLACE is nonzero, overwrite an existing value. */
522 # if @REPLACE_SETENV@
523 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
525 # define setenv rpl_setenv
527 _GL_FUNCDECL_RPL (setenv, int,
528 (const char *name, const char *value, int replace)
529 _GL_ARG_NONNULL ((1)));
530 _GL_CXXALIAS_RPL (setenv, int,
531 (const char *name, const char *value, int replace));
534 _GL_FUNCDECL_SYS (setenv, int,
535 (const char *name, const char *value, int replace)
536 _GL_ARG_NONNULL ((1)));
538 _GL_CXXALIAS_SYS (setenv, int,
539 (const char *name, const char *value, int replace));
541 _GL_CXXALIASWARN (setenv);
542 #elif defined GNULIB_POSIXCHECK
544 # if HAVE_RAW_DECL_SETENV
545 _GL_WARN_ON_USE (setenv, "setenv is unportable - "
546 "use gnulib module setenv for portability");
551 /* Parse a double from STRING, updating ENDP if appropriate. */
552 # if @REPLACE_STRTOD@
553 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
554 # define strtod rpl_strtod
556 _GL_FUNCDECL_RPL (strtod, double, (const char *str, char **endp)
557 _GL_ARG_NONNULL ((1)));
558 _GL_CXXALIAS_RPL (strtod, double, (const char *str, char **endp));
561 _GL_FUNCDECL_SYS (strtod, double, (const char *str, char **endp)
562 _GL_ARG_NONNULL ((1)));
564 _GL_CXXALIAS_SYS (strtod, double, (const char *str, char **endp));
566 _GL_CXXALIASWARN (strtod);
567 #elif defined GNULIB_POSIXCHECK
569 # if HAVE_RAW_DECL_STRTOD
570 _GL_WARN_ON_USE (strtod, "strtod is unportable - "
571 "use gnulib module strtod for portability");
576 /* Parse a signed integer whose textual representation starts at STRING.
577 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
578 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
580 If ENDPTR is not NULL, the address of the first byte after the integer is
582 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
585 _GL_FUNCDECL_SYS (strtoll, long long,
586 (const char *string, char **endptr, int base)
587 _GL_ARG_NONNULL ((1)));
589 _GL_CXXALIAS_SYS (strtoll, long long,
590 (const char *string, char **endptr, int base));
591 _GL_CXXALIASWARN (strtoll);
592 #elif defined GNULIB_POSIXCHECK
594 # if HAVE_RAW_DECL_STRTOLL
595 _GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
596 "use gnulib module strtoll for portability");
600 #if @GNULIB_STRTOULL@
601 /* Parse an unsigned integer whose textual representation starts at STRING.
602 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
603 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
605 If ENDPTR is not NULL, the address of the first byte after the integer is
607 Upon overflow, the return value is ULLONG_MAX, and errno is set to
609 # if !@HAVE_STRTOULL@
610 _GL_FUNCDECL_SYS (strtoull, unsigned long long,
611 (const char *string, char **endptr, int base)
612 _GL_ARG_NONNULL ((1)));
614 _GL_CXXALIAS_SYS (strtoull, unsigned long long,
615 (const char *string, char **endptr, int base));
616 _GL_CXXALIASWARN (strtoull);
617 #elif defined GNULIB_POSIXCHECK
619 # if HAVE_RAW_DECL_STRTOULL
620 _GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
621 "use gnulib module strtoull for portability");
625 #if @GNULIB_UNSETENV@
626 /* Remove the variable NAME from the environment. */
627 # if @REPLACE_UNSETENV@
628 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
630 # define unsetenv rpl_unsetenv
632 _GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
633 _GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
635 # if !@HAVE_UNSETENV@
636 _GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
638 _GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
640 _GL_CXXALIASWARN (unsetenv);
641 #elif defined GNULIB_POSIXCHECK
643 # if HAVE_RAW_DECL_UNSETENV
644 _GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
645 "use gnulib module unsetenv for portability");
650 #endif /* _GL_STDLIB_H */
651 #endif /* _GL_STDLIB_H */