include/stdio.h

   1 /*
   2  * Copyright (c) 2000, 2005, 2007, 2009, 2010 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*-
  24  * Copyright (c) 1990, 1993
  25  *      The Regents of the University of California.  All rights reserved.
  26  *
  27  * This code is derived from software contributed to Berkeley by
  28  * Chris Torek.
  29  *
  30  * Redistribution and use in source and binary forms, with or without
  31  * modification, are permitted provided that the following conditions
  32  * are met:
  33  * 1. Redistributions of source code must retain the above copyright
  34  *    notice, this list of conditions and the following disclaimer.
  35  * 2. Redistributions in binary form must reproduce the above copyright
  36  *    notice, this list of conditions and the following disclaimer in the
  37  *    documentation and/or other materials provided with the distribution.
  38  * 3. All advertising materials mentioning features or use of this software
  39  *    must display the following acknowledgement:
  40  *      This product includes software developed by the University of
  41  *      California, Berkeley and its contributors.
  42  * 4. Neither the name of the University nor the names of its contributors
  43  *    may be used to endorse or promote products derived from this software
  44  *    without specific prior written permission.
  45  *
  46  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  47  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  48  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  49  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  50  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  51  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  52  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  53  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  54  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  55  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  56  * SUCH DAMAGE.
  57  *
  58  *      @(#)stdio.h     8.5 (Berkeley) 4/29/95
  59  */
  60
  61 #ifndef _STDIO_H_
  62 #define _STDIO_H_
  63
  64 #include <_stdio.h>
  65
  66 __BEGIN_DECLS
  67 extern FILE *__stdinp;
  68 extern FILE *__stdoutp;
  69 extern FILE *__stderrp;
  70 __END_DECLS
  71
  72 #define __SLBF  0x0001          /* line buffered */
  73 #define __SNBF  0x0002          /* unbuffered */
  74 #define __SRD   0x0004          /* OK to read */
  75 #define __SWR   0x0008          /* OK to write */
  76         /* RD and WR are never simultaneously asserted */
  77 #define __SRW   0x0010          /* open for reading & writing */
  78 #define __SEOF  0x0020          /* found EOF */
  79 #define __SERR  0x0040          /* found error */
  80 #define __SMBF  0x0080          /* _buf is from malloc */
  81 #define __SAPP  0x0100          /* fdopen()ed in append mode */
  82 #define __SSTR  0x0200          /* this is an sprintf/snprintf string */
  83 #define __SOPT  0x0400          /* do fseek() optimisation */
  84 #define __SNPT  0x0800          /* do not do fseek() optimisation */
  85 #define __SOFF  0x1000          /* set iff _offset is in fact correct */
  86 #define __SMOD  0x2000          /* true => fgetln modified _p text */
  87 #define __SALC  0x4000          /* allocate string space dynamically */
  88 #define __SIGN  0x8000          /* ignore this file in _fwalk */
  89
  90 /*
  91  * The following three definitions are for ANSI C, which took them
  92  * from System V, which brilliantly took internal interface macros and
  93  * made them official arguments to setvbuf(), without renaming them.
  94  * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
  95  *
  96  * Although numbered as their counterparts above, the implementation
  97  * does not rely on this.
  98  */
  99 #define _IOFBF  0               /* setvbuf should set fully buffered */
 100 #define _IOLBF  1               /* setvbuf should set line buffered */
 101 #define _IONBF  2               /* setvbuf should set unbuffered */
 102
 103 #define BUFSIZ  1024            /* size of buffer used by setbuf */
 104 #define EOF     (-1)
 105
 106                                 /* must be == _POSIX_STREAM_MAX <limits.h> */
 107 #define FOPEN_MAX       20      /* must be <= OPEN_MAX <sys/syslimits.h> */
 108 #define FILENAME_MAX    1024    /* must be <= PATH_MAX <sys/syslimits.h> */
 109
 110 /* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
 111 #ifndef _ANSI_SOURCE
 112 #define P_tmpdir        "/var/tmp/"
 113 #endif
 114 #define L_tmpnam        1024    /* XXX must be == PATH_MAX */
 115 #define TMP_MAX         308915776
 116
 117 #ifndef SEEK_SET
 118 #define SEEK_SET        0       /* set file offset to offset */
 119 #endif
 120 #ifndef SEEK_CUR
 121 #define SEEK_CUR        1       /* set file offset to current plus offset */
 122 #endif
 123 #ifndef SEEK_END
 124 #define SEEK_END        2       /* set file offset to EOF plus offset */
 125 #endif
 126
 127 #define stdin   __stdinp
 128 #define stdout  __stdoutp
 129 #define stderr  __stderrp
 130
 131 #ifdef _DARWIN_UNLIMITED_STREAMS
 132 #if defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_3_2
 133 #error "_DARWIN_UNLIMITED_STREAMS specified, but -miphoneos-version-min version does not support it."
 134 #elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_6
 135 #error "_DARWIN_UNLIMITED_STREAMS specified, but -mmacosx-version-min version does not support it."
 136 #endif
 137 #endif
 138
 139 /* ANSI-C */
 140
 141 __BEGIN_DECLS
 142 void     clearerr(FILE *);
 143 int      fclose(FILE *);
 144 int      feof(FILE *);
 145 int      ferror(FILE *);
 146 int      fflush(FILE *);
 147 int      fgetc(FILE *);
 148 int      fgetpos(FILE * __restrict, fpos_t *);
 149 char    *fgets(char * __restrict, int, FILE *);
 150 #if defined(_DARWIN_UNLIMITED_STREAMS) || defined(_DARWIN_C_SOURCE)
 151 FILE    *fopen(const char * __restrict __filename, const char * __restrict __mode) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_3_2, __DARWIN_EXTSN(fopen));
 152 #else /* !_DARWIN_UNLIMITED_STREAMS && !_DARWIN_C_SOURCE */
 153 //Begin-Libc
 154 #ifndef LIBC_ALIAS_FOPEN
 155 //End-Libc
 156 FILE    *fopen(const char * __restrict __filename, const char * __restrict __mode) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_2_0, __DARWIN_ALIAS(fopen));
 157 //Begin-Libc
 158 #else /* LIBC_ALIAS_FOPEN */
 159 FILE    *fopen(const char * __restrict __filename, const char * __restrict __mode) LIBC_ALIAS(fopen);
 160 #endif /* !LIBC_ALIAS_FOPEN */
 161 //End-Libc
 162 #endif /* (DARWIN_UNLIMITED_STREAMS || _DARWIN_C_SOURCE) */
 163 int      fprintf(FILE * __restrict, const char * __restrict, ...) __printflike(2, 3);
 164 int      fputc(int, FILE *);
 165 //Begin-Libc
 166 #ifndef LIBC_ALIAS_FPUTS
 167 //End-Libc
 168 int      fputs(const char * __restrict, FILE * __restrict) __DARWIN_ALIAS(fputs);
 169 //Begin-Libc
 170 #else /* LIBC_ALIAS_FPUTS */
 171 int      fputs(const char * __restrict, FILE * __restrict) LIBC_ALIAS(fputs);
 172 #endif /* !LIBC_ALIAS_FPUTS */
 173 //End-Libc
 174 size_t   fread(void * __restrict __ptr, size_t __size, size_t __nitems, FILE * __restrict __stream);
 175 //Begin-Libc
 176 #ifndef LIBC_ALIAS_FREOPEN
 177 //End-Libc
 178 FILE    *freopen(const char * __restrict, const char * __restrict,
 179                  FILE * __restrict) __DARWIN_ALIAS(freopen);
 180 //Begin-Libc
 181 #else /* LIBC_ALIAS_FREOPEN */
 182 FILE    *freopen(const char * __restrict, const char * __restrict,
 183                  FILE * __restrict) LIBC_ALIAS(freopen);
 184 #endif /* !LIBC_ALIAS_FREOPEN */
 185 //End-Libc
 186 int      fscanf(FILE * __restrict, const char * __restrict, ...) __scanflike(2, 3);
 187 int      fseek(FILE *, long, int);
 188 int      fsetpos(FILE *, const fpos_t *);
 189 long     ftell(FILE *);
 190 //Begin-Libc
 191 #ifndef LIBC_ALIAS_FWRITE
 192 //End-Libc
 193 size_t   fwrite(const void * __restrict __ptr, size_t __size, size_t __nitems, FILE * __restrict __stream) __DARWIN_ALIAS(fwrite);
 194 //Begin-Libc
 195 #else /* LIBC_ALIAS_FWRITE */
 196 size_t   fwrite(const void * __restrict __ptr, size_t __size, size_t __nitems, FILE * __restrict __stream) LIBC_ALIAS(fwrite);
 197 #endif /* !LIBC_ALIAS_FWRITE */
 198 //End-Libc
 199 int      getc(FILE *);
 200 int      getchar(void);
 201 char    *gets(char *);
 202 void     perror(const char *);
 203 int      printf(const char * __restrict, ...) __printflike(1, 2);
 204 int      putc(int, FILE *);
 205 int      putchar(int);
 206 int      puts(const char *);
 207 int      remove(const char *);
 208 int      rename (const char *__old, const char *__new);
 209 void     rewind(FILE *);
 210 int      scanf(const char * __restrict, ...) __scanflike(1, 2);
 211 void     setbuf(FILE * __restrict, char * __restrict);
 212 int      setvbuf(FILE * __restrict, char * __restrict, int, size_t);
 213 int      sprintf(char * __restrict, const char * __restrict, ...) __printflike(2, 3) __swift_unavailable("Use snprintf instead.");
 214 int      sscanf(const char * __restrict, const char * __restrict, ...) __scanflike(2, 3);
 215 FILE    *tmpfile(void);
 216
 217 __swift_unavailable("Use mkstemp(3) instead.")
 218 #if !defined(_POSIX_C_SOURCE)
 219 __deprecated_msg("This function is provided for compatibility reasons only.  Due to security concerns inherent in the design of tmpnam(3), it is highly recommended that you use mkstemp(3) instead.")
 220 #endif
 221 char    *tmpnam(char *);
 222 int      ungetc(int, FILE *);
 223 int      vfprintf(FILE * __restrict, const char * __restrict, va_list) __printflike(2, 0);
 224 int      vprintf(const char * __restrict, va_list) __printflike(1, 0);
 225 int      vsprintf(char * __restrict, const char * __restrict, va_list) __printflike(2, 0) __swift_unavailable("Use vsnprintf instead.");
 226 __END_DECLS
 227
 228
 229
 230 /* Additional functionality provided by:
 231  * POSIX.1-1988
 232  */
 233
 234 #if __DARWIN_C_LEVEL >= 198808L
 235 #define L_ctermid       1024    /* size for ctermid(); PATH_MAX */
 236
 237 __BEGIN_DECLS
 238 #ifndef __CTERMID_DEFINED
 239 /* Multiply defined in stdio.h and unistd.h by SUS */
 240 #define __CTERMID_DEFINED 1
 241 char    *ctermid(char *);
 242 #endif
 243
 244 #if defined(_DARWIN_UNLIMITED_STREAMS) || defined(_DARWIN_C_SOURCE)
 245 FILE    *fdopen(int, const char *) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_3_2, __DARWIN_EXTSN(fdopen));
 246 #else /* !_DARWIN_UNLIMITED_STREAMS && !_DARWIN_C_SOURCE */
 247 //Begin-Libc
 248 #ifndef LIBC_ALIAS_FDOPEN
 249 //End-Libc
 250 FILE    *fdopen(int, const char *) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_2_0, __DARWIN_ALIAS(fdopen));
 251 //Begin-Libc
 252 #else /* LIBC_ALIAS_FDOPEN */
 253 FILE    *fdopen(int, const char *) LIBC_ALIAS(fdopen);
 254 #endif /* !LIBC_ALIAS_FDOPEN */
 255 //End-Libc
 256 #endif /* (DARWIN_UNLIMITED_STREAMS || _DARWIN_C_SOURCE) */
 257 int      fileno(FILE *);
 258 __END_DECLS
 259 #endif /* __DARWIN_C_LEVEL >= 198808L */
 260
 261
 262 /* Additional functionality provided by:
 263  * POSIX.2-1992 C Language Binding Option
 264  */
 265 #if TARGET_OS_EMBEDDED
 266 #define __swift_unavailable_on(osx_msg, ios_msg) __swift_unavailable(ios_msg)
 267 #else
 268 #define __swift_unavailable_on(osx_msg, ios_msg) __swift_unavailable(osx_msg)
 269 #endif
 270
 271 #if __DARWIN_C_LEVEL >= 199209L
 272 __BEGIN_DECLS
 273 int      pclose(FILE *) __swift_unavailable_on("Use posix_spawn APIs or NSTask instead.", "Process spawning is unavailable.");
 274 #if defined(_DARWIN_UNLIMITED_STREAMS) || defined(_DARWIN_C_SOURCE)
 275 FILE    *popen(const char *, const char *) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_3_2, __DARWIN_EXTSN(popen)) __swift_unavailable_on("Use posix_spawn APIs or NSTask instead.", "Process spawning is unavailable.");
 276 #else /* !_DARWIN_UNLIMITED_STREAMS && !_DARWIN_C_SOURCE */
 277 //Begin-Libc
 278 #ifndef LIBC_ALIAS_POPEN
 279 //End-Libc
 280 FILE    *popen(const char *, const char *) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_2_0, __DARWIN_ALIAS(popen)) __swift_unavailable_on("Use posix_spawn APIs or NSTask instead.", "Process spawning is unavailable.");
 281 //Begin-Libc
 282 #else /* LIBC_ALIAS_POPEN */
 283 FILE    *popen(const char *, const char *) LIBC_ALIAS(popen);
 284 #endif /* !LIBC_ALIAS_POPEN */
 285 //End-Libc
 286 #endif /* (DARWIN_UNLIMITED_STREAMS || _DARWIN_C_SOURCE) */
 287 __END_DECLS
 288 #endif /* __DARWIN_C_LEVEL >= 199209L */
 289
 290 #undef __swift_unavailable_on
 291
 292 /* Additional functionality provided by:
 293  * POSIX.1c-1995,
 294  * POSIX.1i-1995,
 295  * and the omnibus ISO/IEC 9945-1: 1996
 296  */
 297
 298 #if __DARWIN_C_LEVEL >= 199506L
 299
 300 /* Functions internal to the implementation. */
 301 __BEGIN_DECLS
 302 int     __srget(FILE *);
 303 int     __svfscanf(FILE *, const char *, va_list) __scanflike(2, 0);
 304 int     __swbuf(int, FILE *);
 305 __END_DECLS
 306
 307 /*
 308  * The __sfoo macros are here so that we can
 309  * define function versions in the C library.
 310  */
 311 #define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
 312 #if defined(__GNUC__) && defined(__STDC__)
 313 __header_always_inline int __sputc(int _c, FILE *_p) {
 314         if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
 315                 return (*_p->_p++ = _c);
 316         else
 317                 return (__swbuf(_c, _p));
 318 }
 319 #else
 320 /*
 321  * This has been tuned to generate reasonable code on the vax using pcc.
 322  */
 323 #define __sputc(c, p) \
 324         (--(p)->_w < 0 ? \
 325                 (p)->_w >= (p)->_lbfsize ? \
 326                         (*(p)->_p = (c)), *(p)->_p != '\n' ? \
 327                                 (int)*(p)->_p++ : \
 328                                 __swbuf('\n', p) : \
 329                         __swbuf((int)(c), p) : \
 330                 (*(p)->_p = (c), (int)*(p)->_p++))
 331 #endif
 332
 333 #define __sfeof(p)      (((p)->_flags & __SEOF) != 0)
 334 #define __sferror(p)    (((p)->_flags & __SERR) != 0)
 335 #define __sclearerr(p)  ((void)((p)->_flags &= ~(__SERR|__SEOF)))
 336 #define __sfileno(p)    ((p)->_file)
 337
 338 __BEGIN_DECLS
 339 void     flockfile(FILE *);
 340 int      ftrylockfile(FILE *);
 341 void     funlockfile(FILE *);
 342 int      getc_unlocked(FILE *);
 343 int      getchar_unlocked(void);
 344 int      putc_unlocked(int, FILE *);
 345 int      putchar_unlocked(int);
 346
 347 /* Removed in Issue 6 */
 348 #if !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 200112L
 349 int      getw(FILE *);
 350 int      putw(int, FILE *);
 351 #endif
 352
 353 __swift_unavailable("Use mkstemp(3) instead.")
 354 #if !defined(_POSIX_C_SOURCE)
 355 __deprecated_msg("This function is provided for compatibility reasons only.  Due to security concerns inherent in the design of tempnam(3), it is highly recommended that you use mkstemp(3) instead.")
 356 #endif
 357 //Begin-Libc
 358 #ifndef LIBC_ALIAS_TEMPNAM
 359 //End-Libc
 360 char    *tempnam(const char *__dir, const char *__prefix) __DARWIN_ALIAS(tempnam);
 361 //Begin-Libc
 362 #else /* LIBC_ALIAS_TEMPNAM */
 363 char    *tempnam(const char *__dir, const char *__prefix) LIBC_ALIAS(tempnam);
 364 #endif /* !LIBC_ALIAS_TEMPNAM */
 365 //End-Libc
 366 __END_DECLS
 367
 368 #ifndef lint
 369 #define getc_unlocked(fp)       __sgetc(fp)
 370 #define putc_unlocked(x, fp)    __sputc(x, fp)
 371 #endif /* lint */
 372
 373 #define getchar_unlocked()      getc_unlocked(stdin)
 374 #define putchar_unlocked(x)     putc_unlocked(x, stdout)
 375 #endif /* __DARWIN_C_LEVEL >= 199506L */
 376
 377
 378
 379 /* Additional functionality provided by:
 380  * POSIX.1-2001
 381  * ISO C99
 382  */
 383
 384 #if __DARWIN_C_LEVEL >= 200112L
 385 #include <sys/_types/_off_t.h>
 386
 387 __BEGIN_DECLS
 388 int      fseeko(FILE * __stream, off_t __offset, int __whence);
 389 off_t    ftello(FILE * __stream);
 390 __END_DECLS
 391 #endif /* __DARWIN_C_LEVEL >= 200112L */
 392
 393 #if __DARWIN_C_LEVEL >= 200112L || defined(_C99_SOURCE) || defined(__cplusplus)
 394 __BEGIN_DECLS
 395 int      snprintf(char * __restrict __str, size_t __size, const char * __restrict __format, ...) __printflike(3, 4);
 396 int      vfscanf(FILE * __restrict __stream, const char * __restrict __format, va_list) __scanflike(2, 0);
 397 int      vscanf(const char * __restrict __format, va_list) __scanflike(1, 0);
 398 int      vsnprintf(char * __restrict __str, size_t __size, const char * __restrict __format, va_list) __printflike(3, 0);
 399 int      vsscanf(const char * __restrict __str, const char * __restrict __format, va_list) __scanflike(2, 0);
 400 __END_DECLS
 401 #endif /* __DARWIN_C_LEVEL >= 200112L || defined(_C99_SOURCE) || defined(__cplusplus) */
 402
 403
 404
 405 /* Additional functionality provided by:
 406  * POSIX.1-2008
 407  */
 408
 409 #if __DARWIN_C_LEVEL >= 200809L
 410 #include <sys/_types/_ssize_t.h>
 411
 412 __BEGIN_DECLS
 413 int     dprintf(int, const char * __restrict, ...) __printflike(2, 3) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
 414 int     vdprintf(int, const char * __restrict, va_list) __printflike(2, 0) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
 415 ssize_t getdelim(char ** __restrict __linep, size_t * __restrict __linecapp, int __delimiter, FILE * __restrict __stream) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
 416 ssize_t getline(char ** __restrict __linep, size_t * __restrict __linecapp, FILE * __restrict __stream) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
 417 FILE *fmemopen(void * __restrict __buf, size_t __size, const char * __restrict __mode) __API_AVAILABLE(macos(10.13), ios(11.0), tvos(11.0), watchos(4.0));
 418 FILE *open_memstream(char **__bufp, size_t *__sizep) __API_AVAILABLE(macos(10.13), ios(11.0), tvos(11.0), watchos(4.0));
 419 __END_DECLS
 420 #endif /* __DARWIN_C_LEVEL >= 200809L */
 421
 422
 423
 424 /* Darwin extensions */
 425
 426 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
 427 __BEGIN_DECLS
 428 extern __const int sys_nerr;            /* perror(3) external variables */
 429 extern __const char *__const sys_errlist[];
 430
 431 int      asprintf(char ** __restrict, const char * __restrict, ...) __printflike(2, 3);
 432 char    *ctermid_r(char *);
 433 char    *fgetln(FILE *, size_t *);
 434 __const char *fmtcheck(const char *, const char *);
 435 int      fpurge(FILE *);
 436 void     setbuffer(FILE *, char *, int);
 437 int      setlinebuf(FILE *);
 438 int      vasprintf(char ** __restrict, const char * __restrict, va_list) __printflike(2, 0);
 439 FILE    *zopen(const char *, const char *, int);
 440
 441
 442 /*
 443  * Stdio function-access interface.
 444  */
 445 FILE    *funopen(const void *,
 446                  int (* _Nullable)(void *, char *, int),
 447                  int (* _Nullable)(void *, const char *, int),
 448                  fpos_t (* _Nullable)(void *, fpos_t, int),
 449                  int (* _Nullable)(void *));
 450 __END_DECLS
 451 #define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
 452 #define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
 453
 454 #define feof_unlocked(p)        __sfeof(p)
 455 #define ferror_unlocked(p)      __sferror(p)
 456 #define clearerr_unlocked(p)    __sclearerr(p)
 457 #define fileno_unlocked(p)      __sfileno(p)
 458
 459 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
 460
 461
 462 #ifdef _USE_EXTENDED_LOCALES_
 463 #include <xlocale/_stdio.h>
 464 #endif /* _USE_EXTENDED_LOCALES_ */
 465
 466 #if defined (__GNUC__) && _FORTIFY_SOURCE > 0 && !defined (__cplusplus)
 467 /* Security checking functions.  */
 468 #include <secure/_stdio.h>
 469 #endif
 470
 471 #endif /* _STDIO_H_ */