1/* $NetBSD: stdio.h,v 1.104 2021/09/11 20:05:33 rillig Exp $ */ 2 3/*- 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Chris Torek. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)stdio.h 8.5 (Berkeley) 4/29/95 35 */ 36 37#ifndef _STDIO_H_ 38#define _STDIO_H_ 39 40#include <sys/cdefs.h> 41#include <sys/featuretest.h> 42#include <sys/ansi.h> 43 44#if (!defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \ 45 !defined(_XOPEN_SOURCE)) || ((_POSIX_C_SOURCE - 0) >= 200809L || \ 46 defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \ 47 (__cplusplus - 0) >= 201103L || defined(_NETBSD_SOURCE)) 48#define __STDIO_C99_FEATURES 49#endif 50 51#ifdef _BSD_SIZE_T_ 52typedef _BSD_SIZE_T_ size_t; 53#undef _BSD_SIZE_T_ 54#endif 55#ifdef _BSD_SSIZE_T_ 56typedef _BSD_SSIZE_T_ ssize_t; 57#undef _BSD_SSIZE_T_ 58#endif 59 60#if defined(_POSIX_C_SOURCE) 61#ifndef __VA_LIST_DECLARED 62typedef __va_list va_list; 63#define __VA_LIST_DECLARED 64#endif 65#endif 66 67#include <sys/null.h> 68 69typedef struct __sfpos { 70 __off_t _pos; 71 __mbstate_t _mbstate_in, _mbstate_out; 72} fpos_t; 73 74#define _FSTDIO /* Define for new stdio with functions. */ 75 76/* 77 * NB: to fit things in six character monocase externals, the stdio 78 * code uses the prefix `__s' for stdio objects, typically followed 79 * by a three-character attempt at a mnemonic. 80 */ 81 82/* stdio buffers */ 83struct __sbuf { 84 unsigned char *_base; 85 int _size; 86}; 87 88/* 89 * stdio state variables. 90 * 91 * The following always hold: 92 * 93 * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR), 94 * _lbfsize is -_bf._size, else _lbfsize is 0 95 * if _flags&__SRD, _w is 0 96 * if _flags&__SWR, _r is 0 97 * 98 * This ensures that the getc and putc macros (or inline functions) never 99 * try to write or read from a file that is in `read' or `write' mode. 100 * (Moreover, they can, and do, automatically switch from read mode to 101 * write mode, and back, on "r+" and "w+" files.) 102 * 103 * _lbfsize is used only to make the inline line-buffered output stream 104 * code as compact as possible. 105 * 106 * _ub (via _ext and struct __sfileext), _up, and _ur are used when ungetc() 107 * pushes back more characters than fit in the current _bf, or when ungetc() 108 * pushes back a character that does not match the previous one in _bf. 109 * When this happens, _ext._base becomes non-nil (i.e., a stream has ungetc() 110 * data iff _ub._base != NULL) and _up and _ur save the current values of _p 111 * and _r. 112 */ 113typedef struct __sFILE { 114 unsigned char *_p; /* current position in (some) buffer */ 115 int _r; /* read space left for getc() */ 116 int _w; /* write space left for putc() */ 117 unsigned short _flags; /* flags, below; this FILE is free if 0 */ 118 short _file; /* fileno, if Unix descriptor, else -1 */ 119 struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */ 120 int _lbfsize; /* 0 or -_bf._size, for inline putc */ 121 122 /* operations */ 123 void *_cookie; /* cookie passed to io functions */ 124 int (*_close)(void *); 125 ssize_t (*_read) (void *, void *, size_t); 126 __off_t (*_seek) (void *, __off_t, int); 127 ssize_t (*_write)(void *, const void *, size_t); 128 129 /* file extension */ 130 struct __sbuf _ext; 131 132 /* separate buffer for long sequences of ungetc() */ 133 unsigned char *_up; /* saved _p when _p is doing ungetc data */ 134 int _ur; /* saved _r when _r is counting ungetc data */ 135 136 /* tricks to meet minimum requirements even when malloc() fails */ 137 unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */ 138 unsigned char _nbuf[1]; /* guarantee a getc() buffer */ 139 140 int (*_flush)(void *); 141 /* Formerly used by fgetln/fgetwln; kept for binary compatibility */ 142 char _lb_unused[sizeof(struct __sbuf) - sizeof(int (*)(void *))]; 143 144 /* Unix stdio files get aligned to block boundaries on fseek() */ 145 int _blksize; /* stat.st_blksize (may be != _bf._size) */ 146 __off_t _offset; /* current lseek offset */ 147} FILE; 148 149__BEGIN_DECLS 150extern FILE __sF[3]; 151__END_DECLS 152 153#define __SLBF 0x0001 /* line buffered */ 154#define __SNBF 0x0002 /* unbuffered */ 155#define __SRD 0x0004 /* OK to read */ 156#define __SWR 0x0008 /* OK to write */ 157 /* RD and WR are never simultaneously asserted */ 158#define __SRW 0x0010 /* open for reading & writing */ 159#define __SEOF 0x0020 /* found EOF */ 160#define __SERR 0x0040 /* found error */ 161#define __SMBF 0x0080 /* _buf is from malloc */ 162#define __SAPP 0x0100 /* fdopen()ed in append mode */ 163#define __SSTR 0x0200 /* this is an sprintf/snprintf string */ 164#define __SOPT 0x0400 /* do fseek() optimization */ 165#define __SNPT 0x0800 /* do not do fseek() optimization */ 166#define __SOFF 0x1000 /* set iff _offset is in fact correct */ 167#define __SMOD 0x2000 /* true => fgetln modified _p text */ 168#define __SALC 0x4000 /* allocate string space dynamically */ 169 170/* 171 * The following three definitions are for ANSI C, which took them 172 * from System V, which brilliantly took internal interface macros and 173 * made them official arguments to setvbuf(), without renaming them. 174 * Hence, these ugly _IOxxx names are *supposed* to appear in user code. 175 * 176 * Although numbered as their counterparts above, the implementation 177 * does not rely on this. 178 */ 179#define _IOFBF 0 /* setvbuf should set fully buffered */ 180#define _IOLBF 1 /* setvbuf should set line buffered */ 181#define _IONBF 2 /* setvbuf should set unbuffered */ 182 183#define BUFSIZ 1024 /* size of buffer used by setbuf */ 184#define EOF (-1) 185 186/* 187 * FOPEN_MAX is a minimum maximum, and is the number of streams that 188 * stdio can provide without attempting to allocate further resources 189 * (which could fail). Do not use this for anything. 190 */ 191 /* must be == _POSIX_STREAM_MAX <limits.h> */ 192#define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */ 193#define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */ 194 195/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */ 196#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 197#define P_tmpdir "/tmp/" 198#endif 199#define L_tmpnam 1024 /* XXX must be == PATH_MAX */ 200/* Always ensure that this is consistent with <limits.h> */ 201#ifndef TMP_MAX 202#define TMP_MAX 308915776 /* Legacy */ 203#endif 204 205/* Always ensure that these are consistent with <fcntl.h> and <unistd.h>! */ 206#ifndef SEEK_SET 207#define SEEK_SET 0 /* set file offset to offset */ 208#endif 209#ifndef SEEK_CUR 210#define SEEK_CUR 1 /* set file offset to current plus offset */ 211#endif 212#ifndef SEEK_END 213#define SEEK_END 2 /* set file offset to EOF plus offset */ 214#endif 215 216#define stdin (&__sF[0]) 217#define stdout (&__sF[1]) 218#define stderr (&__sF[2]) 219 220/* 221 * Functions defined in ANSI C standard. 222 */ 223__BEGIN_DECLS 224void clearerr(FILE *); 225int fclose(FILE *); 226int feof(FILE *); 227int ferror(FILE *); 228int fflush(FILE *); 229int fgetc(FILE *); 230char *fgets(char * __restrict, int, FILE * __restrict); 231FILE *fopen(const char * __restrict , const char * __restrict); 232int fprintf(FILE * __restrict, const char * __restrict, ...) 233 __printflike(2, 3); 234int fputc(int, FILE *); 235int fputs(const char * __restrict, FILE * __restrict); 236size_t fread(void * __restrict, size_t, size_t, FILE * __restrict); 237FILE *freopen(const char * __restrict, const char * __restrict, 238 FILE * __restrict); 239int fscanf(FILE * __restrict, const char * __restrict, ...) 240 __scanflike(2, 3); 241int fseek(FILE *, long, int); 242long ftell(FILE *); 243size_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict); 244int getc(FILE *); 245int getchar(void); 246void perror(const char *); 247int printf(const char * __restrict, ...) 248 __printflike(1, 2); 249int putc(int, FILE *); 250int putchar(int); 251int puts(const char *); 252int remove(const char *); 253void rewind(FILE *); 254int scanf(const char * __restrict, ...) 255 __scanflike(1, 2); 256void setbuf(FILE * __restrict, char * __restrict); 257int setvbuf(FILE * __restrict, char * __restrict, int, size_t); 258int sscanf(const char * __restrict, const char * __restrict, ...) 259 __scanflike(2, 3); 260FILE *tmpfile(void); 261int ungetc(int, FILE *); 262int vfprintf(FILE * __restrict, const char * __restrict, __va_list) 263 __printflike(2, 0); 264int vprintf(const char * __restrict, __va_list) 265 __printflike(1, 0); 266 267#ifndef __AUDIT__ 268char *gets(char *); 269int sprintf(char * __restrict, const char * __restrict, ...) 270 __printflike(2, 3); 271char *tmpnam(char *); 272int vsprintf(char * __restrict, const char * __restrict, 273 __va_list) 274 __printflike(2, 0); 275#endif 276 277#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) 278int rename (const char *, const char *) __RENAME(__posix_rename); 279#else 280int rename (const char *, const char *); 281#endif 282__END_DECLS 283 284#ifndef __LIBC12_SOURCE__ 285int fgetpos(FILE * __restrict, fpos_t * __restrict) __RENAME(__fgetpos50); 286int fsetpos(FILE *, const fpos_t *) __RENAME(__fsetpos50); 287#endif 288/* 289 * IEEE Std 1003.1-90 290 */ 291#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 292 defined(_NETBSD_SOURCE) 293#define L_ctermid 1024 /* size for ctermid(); PATH_MAX */ 294#define L_cuserid 9 /* size for cuserid(); UT_NAMESIZE + 1 */ 295 296__BEGIN_DECLS 297char *ctermid(char *); 298#ifndef __CUSERID_DECLARED 299#define __CUSERID_DECLARED 300/* also declared in unistd.h */ 301char *cuserid(char *); 302#endif /* __CUSERID_DECLARED */ 303FILE *fdopen(int, const char *); 304int fileno(FILE *); 305__END_DECLS 306#endif /* not ANSI */ 307 308/* 309 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2 310 */ 311#if defined(__STDIO_C99_FEATURES) || (_POSIX_C_SOURCE - 0) >= 199506L || \ 312 (_XOPEN_SOURCE - 0) >= 500 || defined(_REENTRANT) 313__BEGIN_DECLS 314void flockfile(FILE *); 315int ftrylockfile(FILE *); 316void funlockfile(FILE *); 317int getc_unlocked(FILE *); 318int getchar_unlocked(void); 319int putc_unlocked(int, FILE *); 320int putchar_unlocked(int); 321__END_DECLS 322#endif /* C99 || _POSIX_C_SOURCE >= 199506 || _XOPEN_SOURCE >= 500 || ... */ 323 324/* 325 * Functions defined in POSIX 1003.2 and XPG2 or later. 326 */ 327#if (_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 2 || \ 328 defined(_NETBSD_SOURCE) 329__BEGIN_DECLS 330int pclose(FILE *); 331FILE *popen(const char *, const char *); 332__END_DECLS 333#endif 334#ifdef _NETBSD_SOURCE 335__BEGIN_DECLS 336FILE *popenve(const char *, char *const *, char *const *, const char *); 337__END_DECLS 338#endif 339 340/* 341 * Functions defined in XPG4.2, ISO C99, POSIX 1003.1-2001 or later. 342 */ 343#if defined(__STDIO_C99_FEATURES) || (_POSIX_C_SOURCE - 0) >= 200112L || \ 344 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 345 (_XOPEN_SOURCE - 0) >= 500 346__BEGIN_DECLS 347int snprintf(char * __restrict, size_t, const char * __restrict, ...) 348 __printflike(3, 4); 349int vsnprintf(char * __restrict, size_t, const char * __restrict, 350 __va_list) 351 __printflike(3, 0); 352__END_DECLS 353#endif 354 355/* 356 * Functions defined in XPG4.2. 357 */ 358#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 359__BEGIN_DECLS 360int getw(FILE *); 361int putw(int, FILE *); 362 363#ifndef __AUDIT__ 364char *tempnam(const char *, const char *); 365#endif 366__END_DECLS 367#endif 368 369/* 370 * X/Open CAE Specification Issue 5 Version 2 371 */ 372#if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 500 || \ 373 defined(_NETBSD_SOURCE) 374#ifndef off_t 375typedef __off_t off_t; 376#define off_t __off_t 377#endif /* off_t */ 378 379__BEGIN_DECLS 380int fseeko(FILE *, off_t, int); 381off_t ftello(FILE *); 382__END_DECLS 383#endif /* (_POSIX_C_SOURCE - 0) >= 200112L || _XOPEN_SOURCE >= 500 || ... */ 384 385/* 386 * Functions defined in ISO C99. 387 */ 388#if defined(__STDIO_C99_FEATURES) 389__BEGIN_DECLS 390int vscanf(const char * __restrict, __va_list) 391 __scanflike(1, 0); 392int vfscanf(FILE * __restrict, const char * __restrict, __va_list) 393 __scanflike(2, 0); 394int vsscanf(const char * __restrict, const char * __restrict, 395 __va_list) 396 __scanflike(2, 0); 397__END_DECLS 398#endif /* C99 */ 399 400/* 401 * Routines that are purely local. 402 */ 403#if defined(_NETBSD_SOURCE) 404 405#define FPARSELN_UNESCESC 0x01 406#define FPARSELN_UNESCCONT 0x02 407#define FPARSELN_UNESCCOMM 0x04 408#define FPARSELN_UNESCREST 0x08 409#define FPARSELN_UNESCALL 0x0f 410 411__BEGIN_DECLS 412int asprintf(char ** __restrict, const char * __restrict, ...) 413 __printflike(2, 3); 414char *fgetln(FILE * __restrict, size_t * __restrict); 415char *fparseln(FILE *, size_t *, size_t *, const char[3], int); 416int fpurge(FILE *); 417void setbuffer(FILE *, char *, int); 418int setlinebuf(FILE *); 419int vasprintf(char ** __restrict, const char * __restrict, 420 __va_list) 421 __printflike(2, 0); 422const char *fmtcheck(const char *, const char *) 423 __format_arg(2); 424__END_DECLS 425 426/* 427 * Stdio function-access interface. 428 */ 429__BEGIN_DECLS 430FILE *funopen(const void *, 431 int (*)(void *, char *, int), 432 int (*)(void *, const char *, int), 433 off_t (*)(void *, off_t, int), 434 int (*)(void *)); 435FILE *funopen2(const void *, 436 ssize_t (*)(void *, void *, size_t), 437 ssize_t (*)(void *, const void *, size_t), 438 off_t (*)(void *, off_t, int), 439 int (*)(void *), 440 int (*)(void *)); 441__END_DECLS 442#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0) 443#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0) 444#define fropen2(cookie, fn) funopen2(cookie, fn, 0, 0, 0, 0) 445#define fwopen2(cookie, fn) funopen2(cookie, 0, fn, 0, 0, 0) 446#endif /* _NETBSD_SOURCE */ 447 448/* 449 * Functions internal to the implementation. 450 */ 451__BEGIN_DECLS 452int __srget(FILE *); 453int __swbuf(int, FILE *); 454__END_DECLS 455 456/* 457 * The __sfoo macros are here so that we can 458 * define function versions in the C library. 459 */ 460#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++)) 461#if defined(__GNUC__) && defined(__STDC__) 462static __inline int __sputc(int _c, FILE *_p) { 463 if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n')) 464 return *_p->_p++ = (unsigned char)_c; 465 else 466 return __swbuf(_c, _p); 467} 468#else 469/* 470 * This has been tuned to generate reasonable code on the vax using pcc. 471 */ 472#define __sputc(c, p) \ 473 (--(p)->_w < 0 ? \ 474 (p)->_w >= (p)->_lbfsize ? \ 475 (*(p)->_p = (c)), *(p)->_p != '\n' ? \ 476 (int)*(p)->_p++ : \ 477 __swbuf('\n', p) : \ 478 __swbuf((int)(c), p) : \ 479 (*(p)->_p = (c), (int)*(p)->_p++)) 480#endif 481 482#define __sfeof(p) (((p)->_flags & __SEOF) != 0) 483#define __sferror(p) (((p)->_flags & __SERR) != 0) 484#define __sclearerr(p) ((void)((p)->_flags &= (unsigned short)~(__SERR|__SEOF))) 485#define __sfileno(p) \ 486 ((p)->_file == -1 ? -1 : (int)(unsigned short)(p)->_file) 487 488#if !defined(__lint__) && !defined(__cplusplus) 489#if !defined(_REENTRANT) && !defined(_PTHREADS) 490#define feof(p) __sfeof(p) 491#define ferror(p) __sferror(p) 492#define clearerr(p) __sclearerr(p) 493 494#define getc(fp) __sgetc(fp) 495#define putc(x, fp) __sputc(x, fp) 496#endif /* !_REENTRANT && !_PTHREADS */ 497 498#define getchar() getc(stdin) 499#define putchar(x) putc(x, stdout) 500 501#endif /* !__lint__ && !__cplusplus */ 502 503#if (defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 504 defined(_NETBSD_SOURCE)) && !defined(__cplusplus) 505#if !defined(_REENTRANT) && !defined(_PTHREADS) 506#define fileno(p) __sfileno(p) 507#endif /* !_REENTRANT && !_PTHREADS */ 508#endif /* !_ANSI_SOURCE && !__cplusplus*/ 509 510#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE) 511__BEGIN_DECLS 512int vdprintf(int, const char * __restrict, __va_list) 513 __printflike(2, 0); 514int dprintf(int, const char * __restrict, ...) 515 __printflike(2, 3); 516__END_DECLS 517#endif /* (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE) */ 518 519#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \ 520 defined(_REENTRANT) || defined(_NETBSD_SOURCE) && !defined(__cplusplus) 521#define getc_unlocked(fp) __sgetc(fp) 522#define putc_unlocked(x, fp) __sputc(x, fp) 523 524#define getchar_unlocked() getc_unlocked(stdin) 525#define putchar_unlocked(x) putc_unlocked(x, stdout) 526#endif /* _POSIX_C_SOURCE >= 199506 || _XOPEN_SOURCE >= 500 || _REENTRANT... */ 527 528#if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ 529 defined(_NETBSD_SOURCE) 530__BEGIN_DECLS 531FILE *fmemopen(void * __restrict, size_t, const char * __restrict); 532FILE *open_memstream(char **, size_t *); 533ssize_t getdelim(char ** __restrict, size_t * __restrict, int, 534 FILE * __restrict); 535ssize_t getline(char ** __restrict, size_t * __restrict, FILE * __restrict); 536__END_DECLS 537#endif 538 539#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE) 540# ifndef __LOCALE_T_DECLARED 541typedef struct _locale *locale_t; 542# define __LOCALE_T_DECLARED 543# endif 544__BEGIN_DECLS 545int fprintf_l(FILE * __restrict, locale_t, const char * __restrict, ...) 546 __printflike(3, 4); 547int vfprintf_l(FILE * __restrict, locale_t, const char * __restrict, 548 __va_list) __printflike(3, 0); 549int printf_l(locale_t, const char * __restrict, ...) 550 __printflike(2, 3); 551int vprintf_l(locale_t, const char * __restrict, __va_list) 552 __printflike(2, 0); 553int asprintf_l(char ** __restrict, locale_t, const char * __restrict, ...) 554 __printflike(3, 4); 555int vasprintf_l(char ** __restrict, locale_t, const char * __restrict, 556 __va_list) 557 __printflike(3, 0); 558int vdprintf_l(int, locale_t, const char * __restrict, __va_list) 559 __printflike(3, 0); 560int dprintf_l(int, locale_t, const char * __restrict, ...) 561 __printflike(3, 4); 562int snprintf_l(char * __restrict, size_t, locale_t, 563 const char * __restrict, ...) __printflike(4, 5); 564int vsnprintf_l(char * __restrict, size_t, locale_t, 565 const char * __restrict, __va_list) __printflike(4, 0); 566#ifndef __AUDIT__ 567int sprintf_l(char * __restrict, locale_t, const char * __restrict, ...) 568 __printflike(3, 4); 569int vsprintf_l(char * __restrict, locale_t, const char * __restrict, 570 __va_list) __printflike(3, 0); 571#endif 572 573int fscanf_l(FILE * __restrict, locale_t, const char * __restrict, ...) 574 __scanflike(3, 4); 575int scanf_l(locale_t, const char * __restrict, ...) 576 __scanflike(2, 3); 577int sscanf_l(const char * __restrict, locale_t, 578 const char * __restrict, ...) __scanflike(3, 4); 579int vscanf_l(locale_t, const char * __restrict, __va_list) 580 __scanflike(2, 0); 581int vfscanf_l(FILE * __restrict, locale_t, const char * __restrict, 582 __va_list) __scanflike(3, 0); 583int vsscanf_l(const char * __restrict, locale_t, const char * __restrict, 584 __va_list) __scanflike(3, 0); 585#ifdef _NETBSD_SOURCE 586int snprintf_ss(char *restrict, size_t, const char * __restrict, ...) 587 __printflike(3, 4); 588int vsnprintf_ss(char *restrict, size_t, const char * __restrict, __va_list) 589 __printflike(3, 0); 590#endif 591__END_DECLS 592#endif 593 594#if _FORTIFY_SOURCE > 0 595#include <ssp/stdio.h> 596#endif 597 598#endif /* _STDIO_H_ */ 599