1/* $NetBSD: stdio.h,v 1.97 2016/03/17 00:42:49 christos 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#ifdef _BSD_SIZE_T_
45typedef _BSD_SIZE_T_ size_t;
46#undef _BSD_SIZE_T_
47#endif
48#ifdef _BSD_SSIZE_T_
49typedef _BSD_SSIZE_T_ ssize_t;
50#undef _BSD_SSIZE_T_
51#endif
52
53#if defined(_POSIX_C_SOURCE)
54#ifndef __VA_LIST_DECLARED
55typedef __va_list va_list;
56#define __VA_LIST_DECLARED
57#endif
58#endif
59
60#include <sys/null.h>
61
62/*
63 * This is fairly grotesque, but pure ANSI code must not inspect the
64 * innards of an fpos_t anyway. The library internally uses off_t,
65 * which we assume is exactly as big as eight chars.
66 */
67typedef struct __sfpos {
68 __off_t _pos;
69 __mbstate_t _mbstate_in, _mbstate_out;
70} fpos_t;
71
72#define _FSTDIO /* Define for new stdio with functions. */
73
74/*
75 * NB: to fit things in six character monocase externals, the stdio
76 * code uses the prefix `__s' for stdio objects, typically followed
77 * by a three-character attempt at a mnemonic.
78 */
79
80/* stdio buffers */
81struct __sbuf {
82 unsigned char *_base;
83 int _size;
84};
85
86/*
87 * stdio state variables.
88 *
89 * The following always hold:
90 *
91 * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
92 * _lbfsize is -_bf._size, else _lbfsize is 0
93 * if _flags&__SRD, _w is 0
94 * if _flags&__SWR, _r is 0
95 *
96 * This ensures that the getc and putc macros (or inline functions) never
97 * try to write or read from a file that is in `read' or `write' mode.
98 * (Moreover, they can, and do, automatically switch from read mode to
99 * write mode, and back, on "r+" and "w+" files.)
100 *
101 * _lbfsize is used only to make the inline line-buffered output stream
102 * code as compact as possible.
103 *
104 * _ub, _up, and _ur are used when ungetc() pushes back more characters
105 * than fit in the current _bf, or when ungetc() pushes back a character
106 * that does not match the previous one in _bf. When this happens,
107 * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
108 * _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
109 *
110 * NB: see WARNING above before changing the layout of this structure!
111 */
112typedef struct __sFILE {
113 unsigned char *_p; /* current position in (some) buffer */
114 int _r; /* read space left for getc() */
115 int _w; /* write space left for putc() */
116 unsigned short _flags; /* flags, below; this FILE is free if 0 */
117 short _file; /* fileno, if Unix descriptor, else -1 */
118 struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */
119 int _lbfsize; /* 0 or -_bf._size, for inline putc */
120
121 /* operations */
122 void *_cookie; /* cookie passed to io functions */
123 int (*_close)(void *);
124 ssize_t (*_read) (void *, void *, size_t);
125 __off_t (*_seek) (void *, __off_t, int);
126 ssize_t (*_write)(void *, const void *, size_t);
127
128 /* file extension */
129 struct __sbuf _ext;
130
131 /* separate buffer for long sequences of ungetc() */
132 unsigned char *_up; /* saved _p when _p is doing ungetc data */
133 int _ur; /* saved _r when _r is counting ungetc data */
134
135 /* tricks to meet minimum requirements even when malloc() fails */
136 unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */
137 unsigned char _nbuf[1]; /* guarantee a getc() buffer */
138
139 int (*_flush)(void *);
140 /* Formerly used by fgetln/fgetwln; kept for binary compatibility */
141 char _lb_unused[sizeof(struct __sbuf) - sizeof(int (*)(void *))];
142
143 /* Unix stdio files get aligned to block boundaries on fseek() */
144 int _blksize; /* stat.st_blksize (may be != _bf._size) */
145 __off_t _offset; /* current lseek offset */
146} FILE;
147
148__BEGIN_DECLS
149extern FILE __sF[3];
150__END_DECLS
151
152#define __SLBF 0x0001 /* line buffered */
153#define __SNBF 0x0002 /* unbuffered */
154#define __SRD 0x0004 /* OK to read */
155#define __SWR 0x0008 /* OK to write */
156 /* RD and WR are never simultaneously asserted */
157#define __SRW 0x0010 /* open for reading & writing */
158#define __SEOF 0x0020 /* found EOF */
159#define __SERR 0x0040 /* found error */
160#define __SMBF 0x0080 /* _buf is from malloc */
161#define __SAPP 0x0100 /* fdopen()ed in append mode */
162#define __SSTR 0x0200 /* this is an sprintf/snprintf string */
163#define __SOPT 0x0400 /* do fseek() optimization */
164#define __SNPT 0x0800 /* do not do fseek() optimization */
165#define __SOFF 0x1000 /* set iff _offset is in fact correct */
166#define __SMOD 0x2000 /* true => fgetln modified _p text */
167#define __SALC 0x4000 /* allocate string space dynamically */
168
169/*
170 * The following three definitions are for ANSI C, which took them
171 * from System V, which brilliantly took internal interface macros and
172 * made them official arguments to setvbuf(), without renaming them.
173 * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
174 *
175 * Although numbered as their counterparts above, the implementation
176 * does not rely on this.
177 */
178#define _IOFBF 0 /* setvbuf should set fully buffered */
179#define _IOLBF 1 /* setvbuf should set line buffered */
180#define _IONBF 2 /* setvbuf should set unbuffered */
181
182#define BUFSIZ 1024 /* size of buffer used by setbuf */
183#define EOF (-1)
184
185/*
186 * FOPEN_MAX is a minimum maximum, and is the number of streams that
187 * stdio can provide without attempting to allocate further resources
188 * (which could fail). Do not use this for anything.
189 */
190 /* must be == _POSIX_STREAM_MAX <limits.h> */
191#define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */
192#define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */
193
194/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
195#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
196#define P_tmpdir "/var/tmp/"
197#endif
198#define L_tmpnam 1024 /* XXX must be == PATH_MAX */
199/* Always ensure that this is consistent with <limits.h> */
200#ifndef TMP_MAX
201#define TMP_MAX 308915776 /* Legacy */
202#endif
203
204/* Always ensure that these are consistent with <fcntl.h> and <unistd.h>! */
205#ifndef SEEK_SET
206#define SEEK_SET 0 /* set file offset to offset */
207#endif
208#ifndef SEEK_CUR
209#define SEEK_CUR 1 /* set file offset to current plus offset */
210#endif
211#ifndef SEEK_END
212#define SEEK_END 2 /* set file offset to EOF plus offset */
213#endif
214
215#define stdin (&__sF[0])
216#define stdout (&__sF[1])
217#define stderr (&__sF[2])
218
219/*
220 * Functions defined in ANSI C standard.
221 */
222__BEGIN_DECLS
223void clearerr(FILE *);
224int fclose(FILE *);
225int feof(FILE *);
226int ferror(FILE *);
227int fflush(FILE *);
228int fgetc(FILE *);
229char *fgets(char * __restrict, int, FILE * __restrict);
230FILE *fopen(const char * __restrict , const char * __restrict);
231int fprintf(FILE * __restrict, const char * __restrict, ...)
232 __printflike(2, 3);
233int fputc(int, FILE *);
234int fputs(const char * __restrict, FILE * __restrict);
235size_t fread(void * __restrict, size_t, size_t, FILE * __restrict);
236FILE *freopen(const char * __restrict, const char * __restrict,
237 FILE * __restrict);
238int fscanf(FILE * __restrict, const char * __restrict, ...)
239 __scanflike(2, 3);
240int fseek(FILE *, long, int);
241long ftell(FILE *);
242size_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict);
243int getc(FILE *);
244int getchar(void);
245void perror(const char *);
246int printf(const char * __restrict, ...)
247 __printflike(1, 2);
248int putc(int, FILE *);
249int putchar(int);
250int puts(const char *);
251int remove(const char *);
252void rewind(FILE *);
253int scanf(const char * __restrict, ...)
254 __scanflike(1, 2);
255void setbuf(FILE * __restrict, char * __restrict);
256int setvbuf(FILE * __restrict, char * __restrict, int, size_t);
257int sscanf(const char * __restrict, const char * __restrict, ...)
258 __scanflike(2, 3);
259FILE *tmpfile(void);
260int ungetc(int, FILE *);
261int vfprintf(FILE * __restrict, const char * __restrict, __va_list)
262 __printflike(2, 0);
263int vprintf(const char * __restrict, __va_list)
264 __printflike(1, 0);
265
266#ifndef __AUDIT__
267char *gets(char *);
268int sprintf(char * __restrict, const char * __restrict, ...)
269 __printflike(2, 3);
270char *tmpnam(char *);
271int vsprintf(char * __restrict, const char * __restrict,
272 __va_list)
273 __printflike(2, 0);
274#endif
275
276#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
277int rename (const char *, const char *) __RENAME(__posix_rename);
278#else
279int rename (const char *, const char *);
280#endif
281__END_DECLS
282
283#ifndef __LIBC12_SOURCE__
284int fgetpos(FILE * __restrict, fpos_t * __restrict) __RENAME(__fgetpos50);
285int fsetpos(FILE *, const fpos_t *) __RENAME(__fsetpos50);
286#endif
287/*
288 * IEEE Std 1003.1-90
289 */
290#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
291 defined(_NETBSD_SOURCE)
292#define L_ctermid 1024 /* size for ctermid(); PATH_MAX */
293#define L_cuserid 9 /* size for cuserid(); UT_NAMESIZE + 1 */
294
295__BEGIN_DECLS
296char *ctermid(char *);
297#ifndef __CUSERID_DECLARED
298#define __CUSERID_DECLARED
299/* also declared in unistd.h */
300char *cuserid(char *);
301#endif /* __CUSERID_DECLARED */
302FILE *fdopen(int, const char *);
303int fileno(FILE *);
304__END_DECLS
305#endif /* not ANSI */
306
307/*
308 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
309 */
310#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
311 defined(_REENTRANT) || defined(_NETBSD_SOURCE)
312__BEGIN_DECLS
313void flockfile(FILE *);
314int ftrylockfile(FILE *);
315void funlockfile(FILE *);
316int getc_unlocked(FILE *);
317int getchar_unlocked(void);
318int putc_unlocked(int, FILE *);
319int putchar_unlocked(int);
320__END_DECLS
321#endif /* _POSIX_C_SOURCE >= 1995056 || _XOPEN_SOURCE >= 500 || ... */
322
323/*
324 * Functions defined in POSIX 1003.2 and XPG2 or later.
325 */
326#if (_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 2 || \
327 defined(_NETBSD_SOURCE)
328__BEGIN_DECLS
329int pclose(FILE *);
330FILE *popen(const char *, const char *);
331__END_DECLS
332#endif
333#ifdef _NETBSD_SOURCE
334__BEGIN_DECLS
335FILE *popenve(const char *, char *const *, char *const *, const char *);
336__END_DECLS
337#endif
338
339/*
340 * Functions defined in ISO XPG4.2, ISO C99, POSIX 1003.1-2001 or later.
341 */
342#if ((__STDC_VERSION__ - 0) >= 199901L) || \
343 ((_POSIX_C_SOURCE - 0) >= 200112L) || \
344 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
345 ((_XOPEN_SOURCE - 0) >= 500) || \
346 defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)
347__BEGIN_DECLS
348int snprintf(char * __restrict, size_t, const char * __restrict, ...)
349 __printflike(3, 4);
350int vsnprintf(char * __restrict, size_t, const char * __restrict,
351 __va_list)
352 __printflike(3, 0);
353__END_DECLS
354#endif
355
356/*
357 * Functions defined in XPG4.2.
358 */
359#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
360__BEGIN_DECLS
361int getw(FILE *);
362int putw(int, FILE *);
363
364#ifndef __AUDIT__
365char *tempnam(const char *, const char *);
366#endif
367__END_DECLS
368#endif
369
370/*
371 * X/Open CAE Specification Issue 5 Version 2
372 */
373#if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 500 || \
374 defined(_NETBSD_SOURCE)
375#ifndef off_t
376typedef __off_t off_t;
377#define off_t __off_t
378#endif /* off_t */
379
380__BEGIN_DECLS
381int fseeko(FILE *, off_t, int);
382off_t ftello(FILE *);
383__END_DECLS
384#endif /* (_POSIX_C_SOURCE - 0) >= 200112L || _XOPEN_SOURCE >= 500 || ... */
385
386/*
387 * Functions defined in ISO C99. Still put under _NETBSD_SOURCE due to
388 * backward compatible.
389 */
390#if defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)
391__BEGIN_DECLS
392int vscanf(const char * __restrict, __va_list)
393 __scanflike(1, 0);
394int vfscanf(FILE * __restrict, const char * __restrict, __va_list)
395 __scanflike(2, 0);
396int vsscanf(const char * __restrict, const char * __restrict,
397 __va_list)
398 __scanflike(2, 0);
399__END_DECLS
400#endif /* _ISOC99_SOURCE || _NETBSD_SOURCE */
401
402/*
403 * Routines that are purely local.
404 */
405#if defined(_NETBSD_SOURCE)
406
407#define FPARSELN_UNESCESC 0x01
408#define FPARSELN_UNESCCONT 0x02
409#define FPARSELN_UNESCCOMM 0x04
410#define FPARSELN_UNESCREST 0x08
411#define FPARSELN_UNESCALL 0x0f
412
413__BEGIN_DECLS
414int asprintf(char ** __restrict, const char * __restrict, ...)
415 __printflike(2, 3);
416char *fgetln(FILE * __restrict, size_t * __restrict);
417char *fparseln(FILE *, size_t *, size_t *, const char[3], int);
418int fpurge(FILE *);
419void setbuffer(FILE *, char *, int);
420int setlinebuf(FILE *);
421int vasprintf(char ** __restrict, const char * __restrict,
422 __va_list)
423 __printflike(2, 0);
424const char *fmtcheck(const char *, const char *)
425 __format_arg(2);
426__END_DECLS
427
428/*
429 * Stdio function-access interface.
430 */
431__BEGIN_DECLS
432FILE *funopen(const void *,
433 int (*)(void *, char *, int),
434 int (*)(void *, const char *, int),
435 off_t (*)(void *, off_t, int),
436 int (*)(void *));
437FILE *funopen2(const void *,
438 ssize_t (*)(void *, void *, size_t),
439 ssize_t (*)(void *, const void *, size_t),
440 off_t (*)(void *, off_t, int),
441 int (*)(void *),
442 int (*)(void *));
443__END_DECLS
444#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
445#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
446#define fropen2(cookie, fn) funopen2(cookie, fn, 0, 0, 0, 0)
447#define fwopen2(cookie, fn) funopen2(cookie, 0, fn, 0, 0, 0)
448#endif /* _NETBSD_SOURCE */
449
450/*
451 * Functions internal to the implementation.
452 */
453__BEGIN_DECLS
454int __srget(FILE *);
455int __swbuf(int, FILE *);
456__END_DECLS
457
458/*
459 * The __sfoo macros are here so that we can
460 * define function versions in the C library.
461 */
462#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
463#if defined(__GNUC__) && defined(__STDC__)
464static __inline int __sputc(int _c, FILE *_p) {
465 if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
466 return *_p->_p++ = (unsigned char)_c;
467 else
468 return __swbuf(_c, _p);
469}
470#else
471/*
472 * This has been tuned to generate reasonable code on the vax using pcc.
473 */
474#define __sputc(c, p) \
475 (--(p)->_w < 0 ? \
476 (p)->_w >= (p)->_lbfsize ? \
477 (*(p)->_p = (c)), *(p)->_p != '\n' ? \
478 (int)*(p)->_p++ : \
479 __swbuf('\n', p) : \
480 __swbuf((int)(c), p) : \
481 (*(p)->_p = (c), (int)*(p)->_p++))
482#endif
483
484#define __sfeof(p) (((p)->_flags & __SEOF) != 0)
485#define __sferror(p) (((p)->_flags & __SERR) != 0)
486#define __sclearerr(p) ((void)((p)->_flags &= (unsigned short)~(__SERR|__SEOF)))
487#define __sfileno(p) \
488 ((p)->_file == -1 ? -1 : (int)(unsigned short)(p)->_file)
489
490#if !defined(__lint__) && !defined(__cplusplus)
491#if !defined(_REENTRANT) && !defined(_PTHREADS)
492#define feof(p) __sfeof(p)
493#define ferror(p) __sferror(p)
494#define clearerr(p) __sclearerr(p)
495
496#define getc(fp) __sgetc(fp)
497#define putc(x, fp) __sputc(x, fp)
498#endif /* !_REENTRANT && !_PTHREADS */
499
500#define getchar() getc(stdin)
501#define putchar(x) putc(x, stdout)
502
503#endif /* !__lint__ && !__cplusplus */
504
505#if (defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
506 defined(_NETBSD_SOURCE)) && !defined(__cplusplus)
507#if !defined(_REENTRANT) && !defined(_PTHREADS)
508#define fileno(p) __sfileno(p)
509#endif /* !_REENTRANT && !_PTHREADS */
510#endif /* !_ANSI_SOURCE && !__cplusplus*/
511
512#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
513__BEGIN_DECLS
514int vdprintf(int, const char * __restrict, __va_list)
515 __printflike(2, 0);
516int dprintf(int, const char * __restrict, ...)
517 __printflike(2, 3);
518__END_DECLS
519#endif /* (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE) */
520
521#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
522 defined(_REENTRANT) || defined(_NETBSD_SOURCE) && !defined(__cplusplus)
523#define getc_unlocked(fp) __sgetc(fp)
524#define putc_unlocked(x, fp) __sputc(x, fp)
525
526#define getchar_unlocked() getc_unlocked(stdin)
527#define putchar_unlocked(x) putc_unlocked(x, stdout)
528#endif /* _POSIX_C_SOURCE >= 199506 || _XOPEN_SOURCE >= 500 || _REENTRANT... */
529
530#if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \
531 defined(_NETBSD_SOURCE)
532__BEGIN_DECLS
533FILE *fmemopen(void * __restrict, size_t, const char * __restrict);
534FILE *open_memstream(char **, size_t *);
535ssize_t getdelim(char ** __restrict, size_t * __restrict, int,
536 FILE * __restrict);
537ssize_t getline(char ** __restrict, size_t * __restrict, FILE * __restrict);
538__END_DECLS
539#endif
540
541#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
542# ifndef __LOCALE_T_DECLARED
543typedef struct _locale *locale_t;
544# define __LOCALE_T_DECLARED
545# endif
546__BEGIN_DECLS
547int fprintf_l(FILE * __restrict, locale_t, const char * __restrict, ...)
548 __printflike(3, 4);
549int vfprintf_l(FILE * __restrict, locale_t, const char * __restrict,
550 __va_list) __printflike(3, 0);
551int printf_l(locale_t, const char * __restrict, ...)
552 __printflike(2, 3);
553int vprintf_l(locale_t, const char * __restrict, __va_list)
554 __printflike(2, 0);
555int asprintf_l(char ** __restrict, locale_t, const char * __restrict, ...)
556 __printflike(3, 4);
557int vasprintf_l(char ** __restrict, locale_t, const char * __restrict,
558 __va_list)
559 __printflike(3, 0);
560int vdprintf_l(int, locale_t, const char * __restrict, __va_list)
561 __printflike(3, 0);
562int dprintf_l(int, locale_t, const char * __restrict, ...)
563 __printflike(3, 4);
564int snprintf_l(char * __restrict, size_t, locale_t,
565 const char * __restrict, ...) __printflike(4, 5);
566int vsnprintf_l(char * __restrict, size_t, locale_t,
567 const char * __restrict, __va_list) __printflike(4, 0);
568#ifndef __AUDIT__
569int sprintf_l(char * __restrict, locale_t, const char * __restrict, ...)
570 __printflike(3, 4);
571int vsprintf_l(char * __restrict, locale_t, const char * __restrict,
572 __va_list) __printflike(3, 0);
573#endif
574
575int fscanf_l(FILE * __restrict, locale_t, const char * __restrict, ...)
576 __scanflike(3, 4);
577int scanf_l(locale_t, const char * __restrict, ...)
578 __scanflike(2, 3);
579int sscanf_l(const char * __restrict, locale_t,
580 const char * __restrict, ...) __scanflike(3, 4);
581int vscanf_l(locale_t, const char * __restrict, __va_list)
582 __scanflike(2, 0);
583int vfscanf_l(FILE * __restrict, locale_t, const char * __restrict,
584 __va_list) __scanflike(3, 0);
585int vsscanf_l(const char * __restrict, locale_t, const char * __restrict,
586 __va_list) __scanflike(3, 0);
587#ifdef _NETBSD_SOURCE
588int snprintf_ss(char *restrict, size_t, const char * __restrict, ...)
589 __printflike(3, 4);
590int vsnprintf_ss(char *restrict, size_t, const char * __restrict, __va_list)
591 __printflike(3, 0);
592#endif
593__END_DECLS
594#endif
595
596#if _FORTIFY_SOURCE > 0
597#include <ssp/stdio.h>
598#endif
599
600#endif /* _STDIO_H_ */
601