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 <sys/cdefs.h> 65#include <Availability.h> 66 67#include <_types.h> 68 69/* DO NOT REMOVE THIS COMMENT: fixincludes needs to see: 70 * __gnuc_va_list and include <stdarg.h> */ 71#include <sys/_types/_va_list.h> 72#include <sys/_types/_size_t.h> 73#include <sys/_types/_null.h> 74 75typedef __darwin_off_t fpos_t; 76 77#define _FSTDIO /* Define for new stdio with functions. */ 78 79/* 80 * NB: to fit things in six character monocase externals, the stdio 81 * code uses the prefix `__s' for stdio objects, typically followed 82 * by a three-character attempt at a mnemonic. 83 */ 84 85/* stdio buffers */ 86struct __sbuf { 87 unsigned char *_base; 88 int _size; 89}; 90 91/* hold a buncha junk that would grow the ABI */ 92struct __sFILEX; 93 94/* 95 * stdio state variables. 96 * 97 * The following always hold: 98 * 99 * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR), 100 * _lbfsize is -_bf._size, else _lbfsize is 0 101 * if _flags&__SRD, _w is 0 102 * if _flags&__SWR, _r is 0 103 * 104 * This ensures that the getc and putc macros (or inline functions) never 105 * try to write or read from a file that is in `read' or `write' mode. 106 * (Moreover, they can, and do, automatically switch from read mode to 107 * write mode, and back, on "r+" and "w+" files.) 108 * 109 * _lbfsize is used only to make the inline line-buffered output stream 110 * code as compact as possible. 111 * 112 * _ub, _up, and _ur are used when ungetc() pushes back more characters 113 * than fit in the current _bf, or when ungetc() pushes back a character 114 * that does not match the previous one in _bf. When this happens, 115 * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff 116 * _ub._base!=NULL) and _up and _ur save the current values of _p and _r. 117 * 118 * NB: see WARNING above before changing the layout of this structure! 119 */ 120typedef struct __sFILE { 121 unsigned char *_p; /* current position in (some) buffer */ 122 int _r; /* read space left for getc() */ 123 int _w; /* write space left for putc() */ 124 short _flags; /* flags, below; this FILE is free if 0 */ 125 short _file; /* fileno, if Unix descriptor, else -1 */ 126 struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */ 127 int _lbfsize; /* 0 or -_bf._size, for inline putc */ 128 129 /* operations */ 130 void *_cookie; /* cookie passed to io functions */ 131 int (*_close)(void *); 132 int (*_read) (void *, char *, int); 133 fpos_t (*_seek) (void *, fpos_t, int); 134 int (*_write)(void *, const char *, int); 135 136 /* separate buffer for long sequences of ungetc() */ 137 struct __sbuf _ub; /* ungetc buffer */ 138 struct __sFILEX *_extra; /* additions to FILE to not break ABI */ 139 int _ur; /* saved _r when _r is counting ungetc data */ 140 141 /* tricks to meet minimum requirements even when malloc() fails */ 142 unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */ 143 unsigned char _nbuf[1]; /* guarantee a getc() buffer */ 144 145 /* separate buffer for fgetln() when line crosses buffer boundary */ 146 struct __sbuf _lb; /* buffer for fgetln() */ 147 148 /* Unix stdio files get aligned to block boundaries on fseek() */ 149 int _blksize; /* stat.st_blksize (may be != _bf._size) */ 150 fpos_t _offset; /* current lseek offset (see WARNING) */ 151} FILE; 152 153__BEGIN_DECLS 154extern FILE *__stdinp; 155extern FILE *__stdoutp; 156extern FILE *__stderrp; 157__END_DECLS 158 159#define __SLBF 0x0001 /* line buffered */ 160#define __SNBF 0x0002 /* unbuffered */ 161#define __SRD 0x0004 /* OK to read */ 162#define __SWR 0x0008 /* OK to write */ 163 /* RD and WR are never simultaneously asserted */ 164#define __SRW 0x0010 /* open for reading & writing */ 165#define __SEOF 0x0020 /* found EOF */ 166#define __SERR 0x0040 /* found error */ 167#define __SMBF 0x0080 /* _buf is from malloc */ 168#define __SAPP 0x0100 /* fdopen()ed in append mode */ 169#define __SSTR 0x0200 /* this is an sprintf/snprintf string */ 170#define __SOPT 0x0400 /* do fseek() optimisation */ 171#define __SNPT 0x0800 /* do not do fseek() optimisation */ 172#define __SOFF 0x1000 /* set iff _offset is in fact correct */ 173#define __SMOD 0x2000 /* true => fgetln modified _p text */ 174#define __SALC 0x4000 /* allocate string space dynamically */ 175#define __SIGN 0x8000 /* ignore this file in _fwalk */ 176 177/* 178 * The following three definitions are for ANSI C, which took them 179 * from System V, which brilliantly took internal interface macros and 180 * made them official arguments to setvbuf(), without renaming them. 181 * Hence, these ugly _IOxxx names are *supposed* to appear in user code. 182 * 183 * Although numbered as their counterparts above, the implementation 184 * does not rely on this. 185 */ 186#define _IOFBF 0 /* setvbuf should set fully buffered */ 187#define _IOLBF 1 /* setvbuf should set line buffered */ 188#define _IONBF 2 /* setvbuf should set unbuffered */ 189 190#define BUFSIZ 1024 /* size of buffer used by setbuf */ 191#define EOF (-1) 192 193 /* must be == _POSIX_STREAM_MAX <limits.h> */ 194#define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */ 195#define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */ 196 197/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */ 198#ifndef _ANSI_SOURCE 199#define P_tmpdir "/var/tmp/" 200#endif 201#define L_tmpnam 1024 /* XXX must be == PATH_MAX */ 202#define TMP_MAX 308915776 203 204#ifndef SEEK_SET 205#define SEEK_SET 0 /* set file offset to offset */ 206#endif 207#ifndef SEEK_CUR 208#define SEEK_CUR 1 /* set file offset to current plus offset */ 209#endif 210#ifndef SEEK_END 211#define SEEK_END 2 /* set file offset to EOF plus offset */ 212#endif 213 214#define stdin __stdinp 215#define stdout __stdoutp 216#define stderr __stderrp 217 218#ifdef _DARWIN_UNLIMITED_STREAMS 219#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_3_2 220#error "_DARWIN_UNLIMITED_STREAMS specified, but -miphoneos-version-min version does not support it." 221#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_6 222#error "_DARWIN_UNLIMITED_STREAMS specified, but -mmacosx-version-min version does not support it." 223#endif 224#endif 225 226/* ANSI-C */ 227 228__BEGIN_DECLS 229void clearerr(FILE *); 230int fclose(FILE *); 231int feof(FILE *); 232int ferror(FILE *); 233int fflush(FILE *); 234int fgetc(FILE *); 235int fgetpos(FILE * __restrict, fpos_t *); 236char *fgets(char * __restrict, int, FILE *); 237#if defined(_DARWIN_UNLIMITED_STREAMS) || defined(_DARWIN_C_SOURCE) 238FILE *fopen(const char * __restrict, const char * __restrict) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_3_2, __DARWIN_EXTSN(fopen)); 239#else /* !_DARWIN_UNLIMITED_STREAMS && !_DARWIN_C_SOURCE */ 240//Begin-Libc 241#ifndef LIBC_ALIAS_FOPEN 242//End-Libc 243FILE *fopen(const char * __restrict, const char * __restrict) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_2_0, __DARWIN_ALIAS(fopen)); 244//Begin-Libc 245#else /* LIBC_ALIAS_FOPEN */ 246FILE *fopen(const char * __restrict, const char * __restrict) LIBC_ALIAS(fopen); 247#endif /* !LIBC_ALIAS_FOPEN */ 248//End-Libc 249#endif /* (DARWIN_UNLIMITED_STREAMS || _DARWIN_C_SOURCE) */ 250int fprintf(FILE * __restrict, const char * __restrict, ...) __printflike(2, 3); 251int fputc(int, FILE *); 252//Begin-Libc 253#ifndef LIBC_ALIAS_FPUTS 254//End-Libc 255int fputs(const char * __restrict, FILE * __restrict) __DARWIN_ALIAS(fputs); 256//Begin-Libc 257#else /* LIBC_ALIAS_FPUTS */ 258int fputs(const char * __restrict, FILE * __restrict) LIBC_ALIAS(fputs); 259#endif /* !LIBC_ALIAS_FPUTS */ 260//End-Libc 261size_t fread(void * __restrict, size_t, size_t, FILE * __restrict); 262//Begin-Libc 263#ifndef LIBC_ALIAS_FREOPEN 264//End-Libc 265FILE *freopen(const char * __restrict, const char * __restrict, 266 FILE * __restrict) __DARWIN_ALIAS(freopen); 267//Begin-Libc 268#else /* LIBC_ALIAS_FREOPEN */ 269FILE *freopen(const char * __restrict, const char * __restrict, 270 FILE * __restrict) LIBC_ALIAS(freopen); 271#endif /* !LIBC_ALIAS_FREOPEN */ 272//End-Libc 273int fscanf(FILE * __restrict, const char * __restrict, ...) __scanflike(2, 3); 274int fseek(FILE *, long, int); 275int fsetpos(FILE *, const fpos_t *); 276long ftell(FILE *); 277//Begin-Libc 278#ifndef LIBC_ALIAS_FWRITE 279//End-Libc 280size_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict) __DARWIN_ALIAS(fwrite); 281//Begin-Libc 282#else /* LIBC_ALIAS_FWRITE */ 283size_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict) LIBC_ALIAS(fwrite); 284#endif /* !LIBC_ALIAS_FWRITE */ 285//End-Libc 286int getc(FILE *); 287int getchar(void); 288char *gets(char *); 289void perror(const char *); 290int printf(const char * __restrict, ...) __printflike(1, 2); 291int putc(int, FILE *); 292int putchar(int); 293int puts(const char *); 294int remove(const char *); 295int rename (const char *, const char *); 296void rewind(FILE *); 297int scanf(const char * __restrict, ...) __scanflike(1, 2); 298void setbuf(FILE * __restrict, char * __restrict); 299int setvbuf(FILE * __restrict, char * __restrict, int, size_t); 300int sprintf(char * __restrict, const char * __restrict, ...) __printflike(2, 3); 301int sscanf(const char * __restrict, const char * __restrict, ...) __scanflike(2, 3); 302FILE *tmpfile(void); 303 304#if !defined(_POSIX_C_SOURCE) 305__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.") 306#endif 307char *tmpnam(char *); 308int ungetc(int, FILE *); 309int vfprintf(FILE * __restrict, const char * __restrict, va_list) __printflike(2, 0); 310int vprintf(const char * __restrict, va_list) __printflike(1, 0); 311int vsprintf(char * __restrict, const char * __restrict, va_list) __printflike(2, 0); 312__END_DECLS 313 314 315 316/* Additional functionality provided by: 317 * POSIX.1-1988 318 */ 319 320#if __DARWIN_C_LEVEL >= 198808L 321#define L_ctermid 1024 /* size for ctermid(); PATH_MAX */ 322 323__BEGIN_DECLS 324#ifndef __CTERMID_DEFINED 325/* Multiply defined in stdio.h and unistd.h by SUS */ 326#define __CTERMID_DEFINED 1 327char *ctermid(char *); 328#endif 329 330#if defined(_DARWIN_UNLIMITED_STREAMS) || defined(_DARWIN_C_SOURCE) 331FILE *fdopen(int, const char *) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_3_2, __DARWIN_EXTSN(fdopen)); 332#else /* !_DARWIN_UNLIMITED_STREAMS && !_DARWIN_C_SOURCE */ 333//Begin-Libc 334#ifndef LIBC_ALIAS_FDOPEN 335//End-Libc 336FILE *fdopen(int, const char *) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_2_0, __DARWIN_ALIAS(fdopen)); 337//Begin-Libc 338#else /* LIBC_ALIAS_FDOPEN */ 339FILE *fdopen(int, const char *) LIBC_ALIAS(fdopen); 340#endif /* !LIBC_ALIAS_FDOPEN */ 341//End-Libc 342#endif /* (DARWIN_UNLIMITED_STREAMS || _DARWIN_C_SOURCE) */ 343int fileno(FILE *); 344__END_DECLS 345#endif /* __DARWIN_C_LEVEL >= 198808L */ 346 347 348/* Additional functionality provided by: 349 * POSIX.2-1992 C Language Binding Option 350 */ 351 352#if __DARWIN_C_LEVEL >= 199209L 353__BEGIN_DECLS 354int pclose(FILE *); 355#if defined(_DARWIN_UNLIMITED_STREAMS) || defined(_DARWIN_C_SOURCE) 356FILE *popen(const char *, const char *) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_3_2, __DARWIN_EXTSN(popen)); 357#else /* !_DARWIN_UNLIMITED_STREAMS && !_DARWIN_C_SOURCE */ 358//Begin-Libc 359#ifndef LIBC_ALIAS_POPEN 360//End-Libc 361FILE *popen(const char *, const char *) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_2_0, __DARWIN_ALIAS(popen)); 362//Begin-Libc 363#else /* LIBC_ALIAS_POPEN */ 364FILE *popen(const char *, const char *) LIBC_ALIAS(popen); 365#endif /* !LIBC_ALIAS_POPEN */ 366//End-Libc 367#endif /* (DARWIN_UNLIMITED_STREAMS || _DARWIN_C_SOURCE) */ 368__END_DECLS 369#endif /* __DARWIN_C_LEVEL >= 199209L */ 370 371 372 373 374/* Additional functionality provided by: 375 * POSIX.1c-1995, 376 * POSIX.1i-1995, 377 * and the omnibus ISO/IEC 9945-1: 1996 378 */ 379 380#if __DARWIN_C_LEVEL >= 199506L 381 382/* Functions internal to the implementation. */ 383__BEGIN_DECLS 384int __srget(FILE *); 385int __svfscanf(FILE *, const char *, va_list) __scanflike(2, 0); 386int __swbuf(int, FILE *); 387__END_DECLS 388 389/* 390 * The __sfoo macros are here so that we can 391 * define function versions in the C library. 392 */ 393#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++)) 394#if defined(__GNUC__) && defined(__STDC__) 395__header_always_inline int __sputc(int _c, FILE *_p) { 396 if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n')) 397 return (*_p->_p++ = _c); 398 else 399 return (__swbuf(_c, _p)); 400} 401#else 402/* 403 * This has been tuned to generate reasonable code on the vax using pcc. 404 */ 405#define __sputc(c, p) \ 406 (--(p)->_w < 0 ? \ 407 (p)->_w >= (p)->_lbfsize ? \ 408 (*(p)->_p = (c)), *(p)->_p != '\n' ? \ 409 (int)*(p)->_p++ : \ 410 __swbuf('\n', p) : \ 411 __swbuf((int)(c), p) : \ 412 (*(p)->_p = (c), (int)*(p)->_p++)) 413#endif 414 415#define __sfeof(p) (((p)->_flags & __SEOF) != 0) 416#define __sferror(p) (((p)->_flags & __SERR) != 0) 417#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF))) 418#define __sfileno(p) ((p)->_file) 419 420__BEGIN_DECLS 421void flockfile(FILE *); 422int ftrylockfile(FILE *); 423void funlockfile(FILE *); 424int getc_unlocked(FILE *); 425int getchar_unlocked(void); 426int putc_unlocked(int, FILE *); 427int putchar_unlocked(int); 428 429/* Removed in Issue 6 */ 430#if !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 200112L 431int getw(FILE *); 432int putw(int, FILE *); 433#endif 434 435#if !defined(_POSIX_C_SOURCE) 436__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.") 437#endif 438//Begin-Libc 439#ifndef LIBC_ALIAS_TEMPNAM 440//End-Libc 441char *tempnam(const char *, const char *) __DARWIN_ALIAS(tempnam); 442//Begin-Libc 443#else /* LIBC_ALIAS_TEMPNAM */ 444char *tempnam(const char *, const char *) LIBC_ALIAS(tempnam); 445#endif /* !LIBC_ALIAS_TEMPNAM */ 446//End-Libc 447__END_DECLS 448 449#ifndef lint 450#define getc_unlocked(fp) __sgetc(fp) 451#define putc_unlocked(x, fp) __sputc(x, fp) 452#endif /* lint */ 453 454#define getchar_unlocked() getc_unlocked(stdin) 455#define putchar_unlocked(x) putc_unlocked(x, stdout) 456#endif /* __DARWIN_C_LEVEL >= 199506L */ 457 458 459 460/* Additional functionality provided by: 461 * POSIX.1-2001 462 * ISO C99 463 */ 464 465#if __DARWIN_C_LEVEL >= 200112L 466#include <sys/_types/_off_t.h> 467 468__BEGIN_DECLS 469int fseeko(FILE *, off_t, int); 470off_t ftello(FILE *); 471__END_DECLS 472#endif /* __DARWIN_C_LEVEL >= 200112L */ 473 474#if __DARWIN_C_LEVEL >= 200112L || defined(_C99_SOURCE) || defined(__cplusplus) 475__BEGIN_DECLS 476int snprintf(char * __restrict, size_t, const char * __restrict, ...) __printflike(3, 4); 477int vfscanf(FILE * __restrict, const char * __restrict, va_list) __scanflike(2, 0); 478int vscanf(const char * __restrict, va_list) __scanflike(1, 0); 479int vsnprintf(char * __restrict, size_t, const char * __restrict, va_list) __printflike(3, 0); 480int vsscanf(const char * __restrict, const char * __restrict, va_list) __scanflike(2, 0); 481__END_DECLS 482#endif /* __DARWIN_C_LEVEL >= 200112L || defined(_C99_SOURCE) || defined(__cplusplus) */ 483 484 485 486/* Additional functionality provided by: 487 * POSIX.1-2008 488 */ 489 490#if __DARWIN_C_LEVEL >= 200809L 491#include <sys/_types/_ssize_t.h> 492 493__BEGIN_DECLS 494int dprintf(int, const char * __restrict, ...) __printflike(2, 3) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); 495int vdprintf(int, const char * __restrict, va_list) __printflike(2, 0) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); 496ssize_t getdelim(char ** __restrict, size_t * __restrict, int, FILE * __restrict) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); 497ssize_t getline(char ** __restrict, size_t * __restrict, FILE * __restrict) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); 498__END_DECLS 499#endif /* __DARWIN_C_LEVEL >= 200809L */ 500 501 502 503/* Darwin extensions */ 504 505#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL 506__BEGIN_DECLS 507extern __const int sys_nerr; /* perror(3) external variables */ 508extern __const char *__const sys_errlist[]; 509 510int asprintf(char ** __restrict, const char * __restrict, ...) __printflike(2, 3); 511char *ctermid_r(char *); 512char *fgetln(FILE *, size_t *); 513__const char *fmtcheck(const char *, const char *); 514int fpurge(FILE *); 515void setbuffer(FILE *, char *, int); 516int setlinebuf(FILE *); 517int vasprintf(char ** __restrict, const char * __restrict, va_list) __printflike(2, 0); 518FILE *zopen(const char *, const char *, int); 519 520 521/* 522 * Stdio function-access interface. 523 */ 524FILE *funopen(const void *, 525 int (*)(void *, char *, int), 526 int (*)(void *, const char *, int), 527 fpos_t (*)(void *, fpos_t, int), 528 int (*)(void *)); 529__END_DECLS 530#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0) 531#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0) 532 533#define feof_unlocked(p) __sfeof(p) 534#define ferror_unlocked(p) __sferror(p) 535#define clearerr_unlocked(p) __sclearerr(p) 536#define fileno_unlocked(p) __sfileno(p) 537 538#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 539 540 541#ifdef _USE_EXTENDED_LOCALES_ 542#include <xlocale/_stdio.h> 543#endif /* _USE_EXTENDED_LOCALES_ */ 544 545#if defined (__GNUC__) && _FORTIFY_SOURCE > 0 && !defined (__cplusplus) 546/* Security checking functions. */ 547#include <secure/_stdio.h> 548#endif 549 550#endif /* _STDIO_H_ */ 551