stdio.h revision 1.101
1/* $NetBSD: stdio.h,v 1.101 2021/09/11 16:58:38 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 69/* 70 * This is fairly grotesque, but pure ANSI code must not inspect the 71 * innards of an fpos_t anyway. The library internally uses off_t, 72 * which we assume is exactly as big as eight chars. 73 */ 74typedef struct __sfpos { 75 __off_t _pos; 76 __mbstate_t _mbstate_in, _mbstate_out; 77} fpos_t; 78 79#define _FSTDIO /* Define for new stdio with functions. */ 80 81/* 82 * NB: to fit things in six character monocase externals, the stdio 83 * code uses the prefix `__s' for stdio objects, typically followed 84 * by a three-character attempt at a mnemonic. 85 */ 86 87/* stdio buffers */ 88struct __sbuf { 89 unsigned char *_base; 90 int _size; 91}; 92 93/* 94 * stdio state variables. 95 * 96 * The following always hold: 97 * 98 * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR), 99 * _lbfsize is -_bf._size, else _lbfsize is 0 100 * if _flags&__SRD, _w is 0 101 * if _flags&__SWR, _r is 0 102 * 103 * This ensures that the getc and putc macros (or inline functions) never 104 * try to write or read from a file that is in `read' or `write' mode. 105 * (Moreover, they can, and do, automatically switch from read mode to 106 * write mode, and back, on "r+" and "w+" files.) 107 * 108 * _lbfsize is used only to make the inline line-buffered output stream 109 * code as compact as possible. 110 * 111 * _ub, _up, and _ur are used when ungetc() pushes back more characters 112 * than fit in the current _bf, or when ungetc() pushes back a character 113 * that does not match the previous one in _bf. When this happens, 114 * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff 115 * _ub._base!=NULL) and _up and _ur save the current values of _p and _r. 116 * 117 * NB: see WARNING above before changing the layout of this structure! 118 */ 119typedef struct __sFILE { 120 unsigned char *_p; /* current position in (some) buffer */ 121 int _r; /* read space left for getc() */ 122 int _w; /* write space left for putc() */ 123 unsigned short _flags; /* flags, below; this FILE is free if 0 */ 124 short _file; /* fileno, if Unix descriptor, else -1 */ 125 struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */ 126 int _lbfsize; /* 0 or -_bf._size, for inline putc */ 127 128 /* operations */ 129 void *_cookie; /* cookie passed to io functions */ 130 int (*_close)(void *); 131 ssize_t (*_read) (void *, void *, size_t); 132 __off_t (*_seek) (void *, __off_t, int); 133 ssize_t (*_write)(void *, const void *, size_t); 134 135 /* file extension */ 136 struct __sbuf _ext; 137 138 /* separate buffer for long sequences of ungetc() */ 139 unsigned char *_up; /* saved _p when _p is doing ungetc data */ 140 int _ur; /* saved _r when _r is counting ungetc data */ 141 142 /* tricks to meet minimum requirements even when malloc() fails */ 143 unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */ 144 unsigned char _nbuf[1]; /* guarantee a getc() buffer */ 145 146 int (*_flush)(void *); 147 /* Formerly used by fgetln/fgetwln; kept for binary compatibility */ 148 char _lb_unused[sizeof(struct __sbuf) - sizeof(int (*)(void *))]; 149 150 /* Unix stdio files get aligned to block boundaries on fseek() */ 151 int _blksize; /* stat.st_blksize (may be != _bf._size) */ 152 __off_t _offset; /* current lseek offset */ 153} FILE; 154 155__BEGIN_DECLS 156extern FILE __sF[3]; 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() optimization */ 171#define __SNPT 0x0800 /* do not do fseek() optimization */ 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 */ 175 176/* 177 * The following three definitions are for ANSI C, which took them 178 * from System V, which brilliantly took internal interface macros and 179 * made them official arguments to setvbuf(), without renaming them. 180 * Hence, these ugly _IOxxx names are *supposed* to appear in user code. 181 * 182 * Although numbered as their counterparts above, the implementation 183 * does not rely on this. 184 */ 185#define _IOFBF 0 /* setvbuf should set fully buffered */ 186#define _IOLBF 1 /* setvbuf should set line buffered */ 187#define _IONBF 2 /* setvbuf should set unbuffered */ 188 189#define BUFSIZ 1024 /* size of buffer used by setbuf */ 190#define EOF (-1) 191 192/* 193 * FOPEN_MAX is a minimum maximum, and is the number of streams that 194 * stdio can provide without attempting to allocate further resources 195 * (which could fail). Do not use this for anything. 196 */ 197 /* must be == _POSIX_STREAM_MAX <limits.h> */ 198#define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */ 199#define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */ 200 201/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */ 202#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 203#define P_tmpdir "/tmp/" 204#endif 205#define L_tmpnam 1024 /* XXX must be == PATH_MAX */ 206/* Always ensure that this is consistent with <limits.h> */ 207#ifndef TMP_MAX 208#define TMP_MAX 308915776 /* Legacy */ 209#endif 210 211/* Always ensure that these are consistent with <fcntl.h> and <unistd.h>! */ 212#ifndef SEEK_SET 213#define SEEK_SET 0 /* set file offset to offset */ 214#endif 215#ifndef SEEK_CUR 216#define SEEK_CUR 1 /* set file offset to current plus offset */ 217#endif 218#ifndef SEEK_END 219#define SEEK_END 2 /* set file offset to EOF plus offset */ 220#endif 221 222#define stdin (&__sF[0]) 223#define stdout (&__sF[1]) 224#define stderr (&__sF[2]) 225 226/* 227 * Functions defined in ANSI C standard. 228 */ 229__BEGIN_DECLS 230void clearerr(FILE *); 231int fclose(FILE *); 232int feof(FILE *); 233int ferror(FILE *); 234int fflush(FILE *); 235int fgetc(FILE *); 236char *fgets(char * __restrict, int, FILE * __restrict); 237FILE *fopen(const char * __restrict , const char * __restrict); 238int fprintf(FILE * __restrict, const char * __restrict, ...) 239 __printflike(2, 3); 240int fputc(int, FILE *); 241int fputs(const char * __restrict, FILE * __restrict); 242size_t fread(void * __restrict, size_t, size_t, FILE * __restrict); 243FILE *freopen(const char * __restrict, const char * __restrict, 244 FILE * __restrict); 245int fscanf(FILE * __restrict, const char * __restrict, ...) 246 __scanflike(2, 3); 247int fseek(FILE *, long, int); 248long ftell(FILE *); 249size_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict); 250int getc(FILE *); 251int getchar(void); 252void perror(const char *); 253int printf(const char * __restrict, ...) 254 __printflike(1, 2); 255int putc(int, FILE *); 256int putchar(int); 257int puts(const char *); 258int remove(const char *); 259void rewind(FILE *); 260int scanf(const char * __restrict, ...) 261 __scanflike(1, 2); 262void setbuf(FILE * __restrict, char * __restrict); 263int setvbuf(FILE * __restrict, char * __restrict, int, size_t); 264int sscanf(const char * __restrict, const char * __restrict, ...) 265 __scanflike(2, 3); 266FILE *tmpfile(void); 267int ungetc(int, FILE *); 268int vfprintf(FILE * __restrict, const char * __restrict, __va_list) 269 __printflike(2, 0); 270int vprintf(const char * __restrict, __va_list) 271 __printflike(1, 0); 272 273#ifndef __AUDIT__ 274char *gets(char *); 275int sprintf(char * __restrict, const char * __restrict, ...) 276 __printflike(2, 3); 277char *tmpnam(char *); 278int vsprintf(char * __restrict, const char * __restrict, 279 __va_list) 280 __printflike(2, 0); 281#endif 282 283#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) 284int rename (const char *, const char *) __RENAME(__posix_rename); 285#else 286int rename (const char *, const char *); 287#endif 288__END_DECLS 289 290#ifndef __LIBC12_SOURCE__ 291int fgetpos(FILE * __restrict, fpos_t * __restrict) __RENAME(__fgetpos50); 292int fsetpos(FILE *, const fpos_t *) __RENAME(__fsetpos50); 293#endif 294/* 295 * IEEE Std 1003.1-90 296 */ 297#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 298 defined(_NETBSD_SOURCE) 299#define L_ctermid 1024 /* size for ctermid(); PATH_MAX */ 300#define L_cuserid 9 /* size for cuserid(); UT_NAMESIZE + 1 */ 301 302__BEGIN_DECLS 303char *ctermid(char *); 304#ifndef __CUSERID_DECLARED 305#define __CUSERID_DECLARED 306/* also declared in unistd.h */ 307char *cuserid(char *); 308#endif /* __CUSERID_DECLARED */ 309FILE *fdopen(int, const char *); 310int fileno(FILE *); 311__END_DECLS 312#endif /* not ANSI */ 313 314/* 315 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2 316 */ 317#if defined(__STDIO_C99_FEATURES) || (_POSIX_C_SOURCE - 0) >= 199506L || \ 318 (_XOPEN_SOURCE - 0) >= 500 || defined(_REENTRANT) 319__BEGIN_DECLS 320void flockfile(FILE *); 321int ftrylockfile(FILE *); 322void funlockfile(FILE *); 323int getc_unlocked(FILE *); 324int getchar_unlocked(void); 325int putc_unlocked(int, FILE *); 326int putchar_unlocked(int); 327__END_DECLS 328#endif /* C99 || _POSIX_C_SOURCE >= 199506 || _XOPEN_SOURCE >= 500 || ... */ 329 330/* 331 * Functions defined in POSIX 1003.2 and XPG2 or later. 332 */ 333#if (_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 2 || \ 334 defined(_NETBSD_SOURCE) 335__BEGIN_DECLS 336int pclose(FILE *); 337FILE *popen(const char *, const char *); 338__END_DECLS 339#endif 340#ifdef _NETBSD_SOURCE 341__BEGIN_DECLS 342FILE *popenve(const char *, char *const *, char *const *, const char *); 343__END_DECLS 344#endif 345 346/* 347 * Functions defined in XPG4.2, ISO C99, POSIX 1003.1-2001 or later. 348 */ 349#if defined(__STDIO_C99_FEATURES) || (_POSIX_C_SOURCE - 0) >= 200112L || \ 350 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 351 (_XOPEN_SOURCE - 0) >= 500 352__BEGIN_DECLS 353int snprintf(char * __restrict, size_t, const char * __restrict, ...) 354 __printflike(3, 4); 355int vsnprintf(char * __restrict, size_t, const char * __restrict, 356 __va_list) 357 __printflike(3, 0); 358__END_DECLS 359#endif 360 361/* 362 * Functions defined in XPG4.2. 363 */ 364#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 365__BEGIN_DECLS 366int getw(FILE *); 367int putw(int, FILE *); 368 369#ifndef __AUDIT__ 370char *tempnam(const char *, const char *); 371#endif 372__END_DECLS 373#endif 374 375/* 376 * X/Open CAE Specification Issue 5 Version 2 377 */ 378#if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 500 || \ 379 defined(_NETBSD_SOURCE) 380#ifndef off_t 381typedef __off_t off_t; 382#define off_t __off_t 383#endif /* off_t */ 384 385__BEGIN_DECLS 386int fseeko(FILE *, off_t, int); 387off_t ftello(FILE *); 388__END_DECLS 389#endif /* (_POSIX_C_SOURCE - 0) >= 200112L || _XOPEN_SOURCE >= 500 || ... */ 390 391/* 392 * Functions defined in ISO C99. Still put under _NETBSD_SOURCE due to 393 * backward compatible. 394 */ 395#if defined(__STDIO_C99_FEATURES) 396__BEGIN_DECLS 397int vscanf(const char * __restrict, __va_list) 398 __scanflike(1, 0); 399int vfscanf(FILE * __restrict, const char * __restrict, __va_list) 400 __scanflike(2, 0); 401int vsscanf(const char * __restrict, const char * __restrict, 402 __va_list) 403 __scanflike(2, 0); 404__END_DECLS 405#endif /* C99 */ 406 407/* 408 * Routines that are purely local. 409 */ 410#if defined(_NETBSD_SOURCE) 411 412#define FPARSELN_UNESCESC 0x01 413#define FPARSELN_UNESCCONT 0x02 414#define FPARSELN_UNESCCOMM 0x04 415#define FPARSELN_UNESCREST 0x08 416#define FPARSELN_UNESCALL 0x0f 417 418__BEGIN_DECLS 419int asprintf(char ** __restrict, const char * __restrict, ...) 420 __printflike(2, 3); 421char *fgetln(FILE * __restrict, size_t * __restrict); 422char *fparseln(FILE *, size_t *, size_t *, const char[3], int); 423int fpurge(FILE *); 424void setbuffer(FILE *, char *, int); 425int setlinebuf(FILE *); 426int vasprintf(char ** __restrict, const char * __restrict, 427 __va_list) 428 __printflike(2, 0); 429const char *fmtcheck(const char *, const char *) 430 __format_arg(2); 431__END_DECLS 432 433/* 434 * Stdio function-access interface. 435 */ 436__BEGIN_DECLS 437FILE *funopen(const void *, 438 int (*)(void *, char *, int), 439 int (*)(void *, const char *, int), 440 off_t (*)(void *, off_t, int), 441 int (*)(void *)); 442FILE *funopen2(const void *, 443 ssize_t (*)(void *, void *, size_t), 444 ssize_t (*)(void *, const void *, size_t), 445 off_t (*)(void *, off_t, int), 446 int (*)(void *), 447 int (*)(void *)); 448__END_DECLS 449#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0) 450#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0) 451#define fropen2(cookie, fn) funopen2(cookie, fn, 0, 0, 0, 0) 452#define fwopen2(cookie, fn) funopen2(cookie, 0, fn, 0, 0, 0) 453#endif /* _NETBSD_SOURCE */ 454 455/* 456 * Functions internal to the implementation. 457 */ 458__BEGIN_DECLS 459int __srget(FILE *); 460int __swbuf(int, FILE *); 461__END_DECLS 462 463/* 464 * The __sfoo macros are here so that we can 465 * define function versions in the C library. 466 */ 467#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++)) 468#if defined(__GNUC__) && defined(__STDC__) 469static __inline int __sputc(int _c, FILE *_p) { 470 if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n')) 471 return *_p->_p++ = (unsigned char)_c; 472 else 473 return __swbuf(_c, _p); 474} 475#else 476/* 477 * This has been tuned to generate reasonable code on the vax using pcc. 478 */ 479#define __sputc(c, p) \ 480 (--(p)->_w < 0 ? \ 481 (p)->_w >= (p)->_lbfsize ? \ 482 (*(p)->_p = (c)), *(p)->_p != '\n' ? \ 483 (int)*(p)->_p++ : \ 484 __swbuf('\n', p) : \ 485 __swbuf((int)(c), p) : \ 486 (*(p)->_p = (c), (int)*(p)->_p++)) 487#endif 488 489#define __sfeof(p) (((p)->_flags & __SEOF) != 0) 490#define __sferror(p) (((p)->_flags & __SERR) != 0) 491#define __sclearerr(p) ((void)((p)->_flags &= (unsigned short)~(__SERR|__SEOF))) 492#define __sfileno(p) \ 493 ((p)->_file == -1 ? -1 : (int)(unsigned short)(p)->_file) 494 495#if !defined(__lint__) && !defined(__cplusplus) 496#if !defined(_REENTRANT) && !defined(_PTHREADS) 497#define feof(p) __sfeof(p) 498#define ferror(p) __sferror(p) 499#define clearerr(p) __sclearerr(p) 500 501#define getc(fp) __sgetc(fp) 502#define putc(x, fp) __sputc(x, fp) 503#endif /* !_REENTRANT && !_PTHREADS */ 504 505#define getchar() getc(stdin) 506#define putchar(x) putc(x, stdout) 507 508#endif /* !__lint__ && !__cplusplus */ 509 510#if (defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 511 defined(_NETBSD_SOURCE)) && !defined(__cplusplus) 512#if !defined(_REENTRANT) && !defined(_PTHREADS) 513#define fileno(p) __sfileno(p) 514#endif /* !_REENTRANT && !_PTHREADS */ 515#endif /* !_ANSI_SOURCE && !__cplusplus*/ 516 517#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE) 518__BEGIN_DECLS 519int vdprintf(int, const char * __restrict, __va_list) 520 __printflike(2, 0); 521int dprintf(int, const char * __restrict, ...) 522 __printflike(2, 3); 523__END_DECLS 524#endif /* (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE) */ 525 526#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \ 527 defined(_REENTRANT) || defined(_NETBSD_SOURCE) && !defined(__cplusplus) 528#define getc_unlocked(fp) __sgetc(fp) 529#define putc_unlocked(x, fp) __sputc(x, fp) 530 531#define getchar_unlocked() getc_unlocked(stdin) 532#define putchar_unlocked(x) putc_unlocked(x, stdout) 533#endif /* _POSIX_C_SOURCE >= 199506 || _XOPEN_SOURCE >= 500 || _REENTRANT... */ 534 535#if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ 536 defined(_NETBSD_SOURCE) 537__BEGIN_DECLS 538FILE *fmemopen(void * __restrict, size_t, const char * __restrict); 539FILE *open_memstream(char **, size_t *); 540ssize_t getdelim(char ** __restrict, size_t * __restrict, int, 541 FILE * __restrict); 542ssize_t getline(char ** __restrict, size_t * __restrict, FILE * __restrict); 543__END_DECLS 544#endif 545 546#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE) 547# ifndef __LOCALE_T_DECLARED 548typedef struct _locale *locale_t; 549# define __LOCALE_T_DECLARED 550# endif 551__BEGIN_DECLS 552int fprintf_l(FILE * __restrict, locale_t, const char * __restrict, ...) 553 __printflike(3, 4); 554int vfprintf_l(FILE * __restrict, locale_t, const char * __restrict, 555 __va_list) __printflike(3, 0); 556int printf_l(locale_t, const char * __restrict, ...) 557 __printflike(2, 3); 558int vprintf_l(locale_t, const char * __restrict, __va_list) 559 __printflike(2, 0); 560int asprintf_l(char ** __restrict, locale_t, const char * __restrict, ...) 561 __printflike(3, 4); 562int vasprintf_l(char ** __restrict, locale_t, const char * __restrict, 563 __va_list) 564 __printflike(3, 0); 565int vdprintf_l(int, locale_t, const char * __restrict, __va_list) 566 __printflike(3, 0); 567int dprintf_l(int, locale_t, const char * __restrict, ...) 568 __printflike(3, 4); 569int snprintf_l(char * __restrict, size_t, locale_t, 570 const char * __restrict, ...) __printflike(4, 5); 571int vsnprintf_l(char * __restrict, size_t, locale_t, 572 const char * __restrict, __va_list) __printflike(4, 0); 573#ifndef __AUDIT__ 574int sprintf_l(char * __restrict, locale_t, const char * __restrict, ...) 575 __printflike(3, 4); 576int vsprintf_l(char * __restrict, locale_t, const char * __restrict, 577 __va_list) __printflike(3, 0); 578#endif 579 580int fscanf_l(FILE * __restrict, locale_t, const char * __restrict, ...) 581 __scanflike(3, 4); 582int scanf_l(locale_t, const char * __restrict, ...) 583 __scanflike(2, 3); 584int sscanf_l(const char * __restrict, locale_t, 585 const char * __restrict, ...) __scanflike(3, 4); 586int vscanf_l(locale_t, const char * __restrict, __va_list) 587 __scanflike(2, 0); 588int vfscanf_l(FILE * __restrict, locale_t, const char * __restrict, 589 __va_list) __scanflike(3, 0); 590int vsscanf_l(const char * __restrict, locale_t, const char * __restrict, 591 __va_list) __scanflike(3, 0); 592#ifdef _NETBSD_SOURCE 593int snprintf_ss(char *restrict, size_t, const char * __restrict, ...) 594 __printflike(3, 4); 595int vsnprintf_ss(char *restrict, size_t, const char * __restrict, __va_list) 596 __printflike(3, 0); 597#endif 598__END_DECLS 599#endif 600 601#if _FORTIFY_SOURCE > 0 602#include <ssp/stdio.h> 603#endif 604 605#endif /* _STDIO_H_ */ 606