Deleted Added
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stdio.h (178287) stdio.h (178721)
1/*-
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Chris Torek.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)stdio.h 8.5 (Berkeley) 4/29/95
1/*-
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Chris Torek.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)stdio.h 8.5 (Berkeley) 4/29/95
37 * $FreeBSD: head/include/stdio.h 178287 2008-04-17 22:17:54Z jhb $
37 * $FreeBSD: head/include/stdio.h 178721 2008-05-02 15:25:07Z jhb $
38 */
39
40#ifndef _STDIO_H_
41#define _STDIO_H_
42
43#include <sys/cdefs.h>
44#include <sys/_null.h>
45#include <sys/_types.h>
46
47typedef __off_t fpos_t;
48
49#ifndef _SIZE_T_DECLARED
50typedef __size_t size_t;
51#define _SIZE_T_DECLARED
52#endif
53
54#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
55#ifndef _VA_LIST_DECLARED
56typedef __va_list va_list;
57#define _VA_LIST_DECLARED
58#endif
59#endif
60
61#define _FSTDIO /* Define for new stdio with functions. */
62
38 */
39
40#ifndef _STDIO_H_
41#define _STDIO_H_
42
43#include <sys/cdefs.h>
44#include <sys/_null.h>
45#include <sys/_types.h>
46
47typedef __off_t fpos_t;
48
49#ifndef _SIZE_T_DECLARED
50typedef __size_t size_t;
51#define _SIZE_T_DECLARED
52#endif
53
54#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
55#ifndef _VA_LIST_DECLARED
56typedef __va_list va_list;
57#define _VA_LIST_DECLARED
58#endif
59#endif
60
61#define _FSTDIO /* Define for new stdio with functions. */
62
63/*
64 * NB: to fit things in six character monocase externals, the stdio
65 * code uses the prefix `__s' for stdio objects, typically followed
66 * by a three-character attempt at a mnemonic.
67 */
63struct __sFILE;
64typedef struct __sFILE FILE;
68
65
69/* stdio buffers */
70struct __sbuf {
71 unsigned char *_base;
72 int _size;
73};
74
75/*
76 * stdio state variables.
77 *
78 * The following always hold:
79 *
80 * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
81 * _lbfsize is -_bf._size, else _lbfsize is 0
82 * if _flags&__SRD, _w is 0
83 * if _flags&__SWR, _r is 0
84 *
85 * This ensures that the getc and putc macros (or inline functions) never
86 * try to write or read from a file that is in `read' or `write' mode.
87 * (Moreover, they can, and do, automatically switch from read mode to
88 * write mode, and back, on "r+" and "w+" files.)
89 *
90 * _lbfsize is used only to make the inline line-buffered output stream
91 * code as compact as possible.
92 *
93 * _ub, _up, and _ur are used when ungetc() pushes back more characters
94 * than fit in the current _bf, or when ungetc() pushes back a character
95 * that does not match the previous one in _bf. When this happens,
96 * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
97 * _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
98 *
99 * Certain members of __sFILE are accessed directly via macros or
100 * inline functions. To preserve ABI compat, these members must not
101 * be disturbed. These members are marked below with (*).
102 */
103typedef struct __sFILE {
104 unsigned char *_p; /* (*) current position in (some) buffer */
105 int _r; /* (*) read space left for getc() */
106 int _w; /* (*) write space left for putc() */
107 short _flags; /* (*) flags, below; this FILE is free if 0 */
108 short _file; /* (*) fileno, if Unix descriptor, else -1 */
109 struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */
110 int _lbfsize; /* (*) 0 or -_bf._size, for inline putc */
111
112 /* operations */
113 void *_cookie; /* cookie passed to io functions */
114 int (*_close)(void *);
115 int (*_read)(void *, char *, int);
116 fpos_t (*_seek)(void *, fpos_t, int);
117 int (*_write)(void *, const char *, int);
118
119 /* separate buffer for long sequences of ungetc() */
120 struct __sbuf _ub; /* ungetc buffer */
121 unsigned char *_up; /* saved _p when _p is doing ungetc data */
122 int _ur; /* saved _r when _r is counting ungetc data */
123
124 /* tricks to meet minimum requirements even when malloc() fails */
125 unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */
126 unsigned char _nbuf[1]; /* guarantee a getc() buffer */
127
128 /* separate buffer for fgetln() when line crosses buffer boundary */
129 struct __sbuf _lb; /* buffer for fgetln() */
130
131 /* Unix stdio files get aligned to block boundaries on fseek() */
132 int _blksize; /* stat.st_blksize (may be != _bf._size) */
133 fpos_t _offset; /* current lseek offset */
134
135 struct pthread_mutex *_fl_mutex; /* used for MT-safety */
136 struct pthread *_fl_owner; /* current owner */
137 int _fl_count; /* recursive lock count */
138 int _orientation; /* orientation for fwide() */
139 __mbstate_t _mbstate; /* multibyte conversion state */
140} FILE;
141
142#ifndef _STDSTREAM_DECLARED
143__BEGIN_DECLS
144extern FILE *__stdinp;
145extern FILE *__stdoutp;
146extern FILE *__stderrp;
147__END_DECLS
148#define _STDSTREAM_DECLARED
149#endif
150
66#ifndef _STDSTREAM_DECLARED
67__BEGIN_DECLS
68extern FILE *__stdinp;
69extern FILE *__stdoutp;
70extern FILE *__stderrp;
71__END_DECLS
72#define _STDSTREAM_DECLARED
73#endif
74
151#define __SLBF 0x0001 /* line buffered */
152#define __SNBF 0x0002 /* unbuffered */
153#define __SRD 0x0004 /* OK to read */
154#define __SWR 0x0008 /* OK to write */
155 /* RD and WR are never simultaneously asserted */
156#define __SRW 0x0010 /* open for reading & writing */
157#define __SEOF 0x0020 /* found EOF */
158#define __SERR 0x0040 /* found error */
159#define __SMBF 0x0080 /* _buf is from malloc */
160#define __SAPP 0x0100 /* fdopen()ed in append mode */
161#define __SSTR 0x0200 /* this is an sprintf/snprintf string */
162#define __SOPT 0x0400 /* do fseek() optimization */
163#define __SNPT 0x0800 /* do not do fseek() optimization */
164#define __SOFF 0x1000 /* set iff _offset is in fact correct */
165#define __SMOD 0x2000 /* true => fgetln modified _p text */
166#define __SALC 0x4000 /* allocate string space dynamically */
167#define __SIGN 0x8000 /* ignore this file in _fwalk */
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.
75/*
76 * The following three definitions are for ANSI C, which took them
77 * from System V, which brilliantly took internal interface macros and
78 * made them official arguments to setvbuf(), without renaming them.
79 * 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#ifndef FOPEN_MAX
192#define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */
193#endif
194#define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */
195
196/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
197#if __XSI_VISIBLE
198#define P_tmpdir "/var/tmp/"
199#endif
200#define L_tmpnam 1024 /* XXX must be == PATH_MAX */
201#define TMP_MAX 308915776
202
203#ifndef SEEK_SET
204#define SEEK_SET 0 /* set file offset to offset */
205#endif
206#ifndef SEEK_CUR
207#define SEEK_CUR 1 /* set file offset to current plus offset */
208#endif
209#ifndef SEEK_END
210#define SEEK_END 2 /* set file offset to EOF plus offset */
211#endif
212
213#define stdin __stdinp
214#define stdout __stdoutp
215#define stderr __stderrp
216
217__BEGIN_DECLS
218/*
219 * Functions defined in ANSI C standard.
220 */
221void clearerr(FILE *);
222int fclose(FILE *);
223int feof(FILE *);
224int ferror(FILE *);
225int fflush(FILE *);
226int fgetc(FILE *);
227int fgetpos(FILE * __restrict, fpos_t * __restrict);
228char *fgets(char * __restrict, int, FILE * __restrict);
229FILE *fopen(const char * __restrict, const char * __restrict);
230int fprintf(FILE * __restrict, const char * __restrict, ...);
231int fputc(int, FILE *);
232int fputs(const char * __restrict, FILE * __restrict);
233size_t fread(void * __restrict, size_t, size_t, FILE * __restrict);
234FILE *freopen(const char * __restrict, const char * __restrict, FILE * __restrict);
235int fscanf(FILE * __restrict, const char * __restrict, ...);
236int fseek(FILE *, long, int);
237int fsetpos(FILE *, const fpos_t *);
238long ftell(FILE *);
239size_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict);
240int getc(FILE *);
241int getchar(void);
242char *gets(char *);
243void perror(const char *);
244int printf(const char * __restrict, ...);
245int putc(int, FILE *);
246int putchar(int);
247int puts(const char *);
248int remove(const char *);
249int rename(const char *, const char *);
250void rewind(FILE *);
251int scanf(const char * __restrict, ...);
252void setbuf(FILE * __restrict, char * __restrict);
253int setvbuf(FILE * __restrict, char * __restrict, int, size_t);
254int sprintf(char * __restrict, const char * __restrict, ...);
255int sscanf(const char * __restrict, const char * __restrict, ...);
256FILE *tmpfile(void);
257char *tmpnam(char *);
258int ungetc(int, FILE *);
259int vfprintf(FILE * __restrict, const char * __restrict,
260 __va_list);
261int vprintf(const char * __restrict, __va_list);
262int vsprintf(char * __restrict, const char * __restrict,
263 __va_list);
264
265#if __ISO_C_VISIBLE >= 1999
266int snprintf(char * __restrict, size_t, const char * __restrict,
267 ...) __printflike(3, 4);
268int vfscanf(FILE * __restrict, const char * __restrict, __va_list)
269 __scanflike(2, 0);
270int vscanf(const char * __restrict, __va_list) __scanflike(1, 0);
271int vsnprintf(char * __restrict, size_t, const char * __restrict,
272 __va_list) __printflike(3, 0);
273int vsscanf(const char * __restrict, const char * __restrict, __va_list)
274 __scanflike(2, 0);
275#endif
276
277/*
278 * Functions defined in all versions of POSIX 1003.1.
279 */
280#if __BSD_VISIBLE || __POSIX_VISIBLE <= 199506
281/* size for cuserid(3); UT_NAMESIZE + 1, see <utmp.h> */
282#define L_cuserid 17 /* legacy */
283#endif
284
285#if __POSIX_VISIBLE
286#define L_ctermid 1024 /* size for ctermid(3); PATH_MAX */
287
288char *ctermid(char *);
289FILE *fdopen(int, const char *);
290int fileno(FILE *);
291#endif /* __POSIX_VISIBLE */
292
293#if __POSIX_VISIBLE >= 199209
294int pclose(FILE *);
295FILE *popen(const char *, const char *);
296#endif
297
298#if __POSIX_VISIBLE >= 199506
299int ftrylockfile(FILE *);
300void flockfile(FILE *);
301void funlockfile(FILE *);
302
303/*
80 */
81#define _IOFBF 0 /* setvbuf should set fully buffered */
82#define _IOLBF 1 /* setvbuf should set line buffered */
83#define _IONBF 2 /* setvbuf should set unbuffered */
84
85#define BUFSIZ 1024 /* size of buffer used by setbuf */
86#define EOF (-1)
87
88/*
89 * FOPEN_MAX is a minimum maximum, and is the number of streams that
90 * stdio can provide without attempting to allocate further resources
91 * (which could fail). Do not use this for anything.
92 */
93 /* must be == _POSIX_STREAM_MAX <limits.h> */
94#ifndef FOPEN_MAX
95#define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */
96#endif
97#define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */
98
99/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
100#if __XSI_VISIBLE
101#define P_tmpdir "/var/tmp/"
102#endif
103#define L_tmpnam 1024 /* XXX must be == PATH_MAX */
104#define TMP_MAX 308915776
105
106#ifndef SEEK_SET
107#define SEEK_SET 0 /* set file offset to offset */
108#endif
109#ifndef SEEK_CUR
110#define SEEK_CUR 1 /* set file offset to current plus offset */
111#endif
112#ifndef SEEK_END
113#define SEEK_END 2 /* set file offset to EOF plus offset */
114#endif
115
116#define stdin __stdinp
117#define stdout __stdoutp
118#define stderr __stderrp
119
120__BEGIN_DECLS
121/*
122 * Functions defined in ANSI C standard.
123 */
124void clearerr(FILE *);
125int fclose(FILE *);
126int feof(FILE *);
127int ferror(FILE *);
128int fflush(FILE *);
129int fgetc(FILE *);
130int fgetpos(FILE * __restrict, fpos_t * __restrict);
131char *fgets(char * __restrict, int, FILE * __restrict);
132FILE *fopen(const char * __restrict, const char * __restrict);
133int fprintf(FILE * __restrict, const char * __restrict, ...);
134int fputc(int, FILE *);
135int fputs(const char * __restrict, FILE * __restrict);
136size_t fread(void * __restrict, size_t, size_t, FILE * __restrict);
137FILE *freopen(const char * __restrict, const char * __restrict, FILE * __restrict);
138int fscanf(FILE * __restrict, const char * __restrict, ...);
139int fseek(FILE *, long, int);
140int fsetpos(FILE *, const fpos_t *);
141long ftell(FILE *);
142size_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict);
143int getc(FILE *);
144int getchar(void);
145char *gets(char *);
146void perror(const char *);
147int printf(const char * __restrict, ...);
148int putc(int, FILE *);
149int putchar(int);
150int puts(const char *);
151int remove(const char *);
152int rename(const char *, const char *);
153void rewind(FILE *);
154int scanf(const char * __restrict, ...);
155void setbuf(FILE * __restrict, char * __restrict);
156int setvbuf(FILE * __restrict, char * __restrict, int, size_t);
157int sprintf(char * __restrict, const char * __restrict, ...);
158int sscanf(const char * __restrict, const char * __restrict, ...);
159FILE *tmpfile(void);
160char *tmpnam(char *);
161int ungetc(int, FILE *);
162int vfprintf(FILE * __restrict, const char * __restrict,
163 __va_list);
164int vprintf(const char * __restrict, __va_list);
165int vsprintf(char * __restrict, const char * __restrict,
166 __va_list);
167
168#if __ISO_C_VISIBLE >= 1999
169int snprintf(char * __restrict, size_t, const char * __restrict,
170 ...) __printflike(3, 4);
171int vfscanf(FILE * __restrict, const char * __restrict, __va_list)
172 __scanflike(2, 0);
173int vscanf(const char * __restrict, __va_list) __scanflike(1, 0);
174int vsnprintf(char * __restrict, size_t, const char * __restrict,
175 __va_list) __printflike(3, 0);
176int vsscanf(const char * __restrict, const char * __restrict, __va_list)
177 __scanflike(2, 0);
178#endif
179
180/*
181 * Functions defined in all versions of POSIX 1003.1.
182 */
183#if __BSD_VISIBLE || __POSIX_VISIBLE <= 199506
184/* size for cuserid(3); UT_NAMESIZE + 1, see <utmp.h> */
185#define L_cuserid 17 /* legacy */
186#endif
187
188#if __POSIX_VISIBLE
189#define L_ctermid 1024 /* size for ctermid(3); PATH_MAX */
190
191char *ctermid(char *);
192FILE *fdopen(int, const char *);
193int fileno(FILE *);
194#endif /* __POSIX_VISIBLE */
195
196#if __POSIX_VISIBLE >= 199209
197int pclose(FILE *);
198FILE *popen(const char *, const char *);
199#endif
200
201#if __POSIX_VISIBLE >= 199506
202int ftrylockfile(FILE *);
203void flockfile(FILE *);
204void funlockfile(FILE *);
205
206/*
304 * These are normally used through macros as defined below, but POSIX
305 * requires functions as well.
207 * See ISO/IEC 9945-1 ANSI/IEEE Std 1003.1 Second Edition 1996-07-12
208 * B.8.2.7 for the rationale behind the *_unlocked() functions.
306 */
307int getc_unlocked(FILE *);
308int getchar_unlocked(void);
309int putc_unlocked(int, FILE *);
310int putchar_unlocked(int);
311#endif
312#if __BSD_VISIBLE
313void clearerr_unlocked(FILE *);
314int feof_unlocked(FILE *);
315int ferror_unlocked(FILE *);
316int fileno_unlocked(FILE *);
317#endif
318
319#if __POSIX_VISIBLE >= 200112
320int fseeko(FILE *, __off_t, int);
321__off_t ftello(FILE *);
322#endif
323
324#if __BSD_VISIBLE || __XSI_VISIBLE > 0 && __XSI_VISIBLE < 600
325int getw(FILE *);
326int putw(int, FILE *);
327#endif /* BSD or X/Open before issue 6 */
328
329#if __XSI_VISIBLE
330char *tempnam(const char *, const char *);
331#endif
332
333/*
334 * Routines that are purely local.
335 */
336#if __BSD_VISIBLE
337int asprintf(char **, const char *, ...) __printflike(2, 3);
338char *ctermid_r(char *);
339void fcloseall(void);
340char *fgetln(FILE *, size_t *);
341__const char *fmtcheck(const char *, const char *) __format_arg(2);
342int fpurge(FILE *);
343void setbuffer(FILE *, char *, int);
344int setlinebuf(FILE *);
345int vasprintf(char **, const char *, __va_list)
346 __printflike(2, 0);
347
348/*
349 * The system error table contains messages for the first sys_nerr
350 * positive errno values. Use strerror() or strerror_r() from <string.h>
351 * instead.
352 */
353extern __const int sys_nerr;
354extern __const char *__const sys_errlist[];
355
356/*
357 * Stdio function-access interface.
358 */
359FILE *funopen(const void *,
360 int (*)(void *, char *, int),
361 int (*)(void *, const char *, int),
362 fpos_t (*)(void *, fpos_t, int),
363 int (*)(void *));
364#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
365#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
366
367/*
368 * Portability hacks. See <sys/types.h>.
369 */
370#ifndef _FTRUNCATE_DECLARED
371#define _FTRUNCATE_DECLARED
372int ftruncate(int, __off_t);
373#endif
374#ifndef _LSEEK_DECLARED
375#define _LSEEK_DECLARED
376__off_t lseek(int, __off_t, int);
377#endif
378#ifndef _MMAP_DECLARED
379#define _MMAP_DECLARED
380void *mmap(void *, size_t, int, int, int, __off_t);
381#endif
382#ifndef _TRUNCATE_DECLARED
383#define _TRUNCATE_DECLARED
384int truncate(const char *, __off_t);
385#endif
386#endif /* __BSD_VISIBLE */
387
209 */
210int getc_unlocked(FILE *);
211int getchar_unlocked(void);
212int putc_unlocked(int, FILE *);
213int putchar_unlocked(int);
214#endif
215#if __BSD_VISIBLE
216void clearerr_unlocked(FILE *);
217int feof_unlocked(FILE *);
218int ferror_unlocked(FILE *);
219int fileno_unlocked(FILE *);
220#endif
221
222#if __POSIX_VISIBLE >= 200112
223int fseeko(FILE *, __off_t, int);
224__off_t ftello(FILE *);
225#endif
226
227#if __BSD_VISIBLE || __XSI_VISIBLE > 0 && __XSI_VISIBLE < 600
228int getw(FILE *);
229int putw(int, FILE *);
230#endif /* BSD or X/Open before issue 6 */
231
232#if __XSI_VISIBLE
233char *tempnam(const char *, const char *);
234#endif
235
236/*
237 * Routines that are purely local.
238 */
239#if __BSD_VISIBLE
240int asprintf(char **, const char *, ...) __printflike(2, 3);
241char *ctermid_r(char *);
242void fcloseall(void);
243char *fgetln(FILE *, size_t *);
244__const char *fmtcheck(const char *, const char *) __format_arg(2);
245int fpurge(FILE *);
246void setbuffer(FILE *, char *, int);
247int setlinebuf(FILE *);
248int vasprintf(char **, const char *, __va_list)
249 __printflike(2, 0);
250
251/*
252 * The system error table contains messages for the first sys_nerr
253 * positive errno values. Use strerror() or strerror_r() from <string.h>
254 * instead.
255 */
256extern __const int sys_nerr;
257extern __const char *__const sys_errlist[];
258
259/*
260 * Stdio function-access interface.
261 */
262FILE *funopen(const void *,
263 int (*)(void *, char *, int),
264 int (*)(void *, const char *, int),
265 fpos_t (*)(void *, fpos_t, int),
266 int (*)(void *));
267#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
268#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
269
270/*
271 * Portability hacks. See <sys/types.h>.
272 */
273#ifndef _FTRUNCATE_DECLARED
274#define _FTRUNCATE_DECLARED
275int ftruncate(int, __off_t);
276#endif
277#ifndef _LSEEK_DECLARED
278#define _LSEEK_DECLARED
279__off_t lseek(int, __off_t, int);
280#endif
281#ifndef _MMAP_DECLARED
282#define _MMAP_DECLARED
283void *mmap(void *, size_t, int, int, int, __off_t);
284#endif
285#ifndef _TRUNCATE_DECLARED
286#define _TRUNCATE_DECLARED
287int truncate(const char *, __off_t);
288#endif
289#endif /* __BSD_VISIBLE */
290
388/*
389 * Functions internal to the implementation.
390 */
391int __srget(FILE *);
392int __swbuf(int, FILE *);
393
394/*
395 * The __sfoo macros are here so that we can
396 * define function versions in the C library.
397 */
398#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
399#if defined(__GNUC__) && defined(__STDC__)
400static __inline int __sputc(int _c, FILE *_p) {
401 if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
402 return (*_p->_p++ = _c);
403 else
404 return (__swbuf(_c, _p));
405}
406#else
407/*
408 * This has been tuned to generate reasonable code on the vax using pcc.
409 */
410#define __sputc(c, p) \
411 (--(p)->_w < 0 ? \
412 (p)->_w >= (p)->_lbfsize ? \
413 (*(p)->_p = (c)), *(p)->_p != '\n' ? \
414 (int)*(p)->_p++ : \
415 __swbuf('\n', p) : \
416 __swbuf((int)(c), p) : \
417 (*(p)->_p = (c), (int)*(p)->_p++))
418#endif
419
420#define __sfeof(p) (((p)->_flags & __SEOF) != 0)
421#define __sferror(p) (((p)->_flags & __SERR) != 0)
422#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF)))
423#define __sfileno(p) ((p)->_file)
424
425extern int __isthreaded;
426
427#define feof(p) (!__isthreaded ? __sfeof(p) : (feof)(p))
428#define ferror(p) (!__isthreaded ? __sferror(p) : (ferror)(p))
429#define clearerr(p) (!__isthreaded ? __sclearerr(p) : (clearerr)(p))
430
431#if __POSIX_VISIBLE
432#define fileno(p) (!__isthreaded ? __sfileno(p) : (fileno)(p))
433#endif
434
435#define getc(fp) (!__isthreaded ? __sgetc(fp) : (getc)(fp))
436#define putc(x, fp) (!__isthreaded ? __sputc(x, fp) : (putc)(x, fp))
437
438#define getchar() getc(stdin)
439#define putchar(x) putc(x, stdout)
440
441#if __BSD_VISIBLE
291#if __BSD_VISIBLE
442/*
443 * See ISO/IEC 9945-1 ANSI/IEEE Std 1003.1 Second Edition 1996-07-12
444 * B.8.2.7 for the rationale behind the *_unlocked() macros.
445 */
446#define feof_unlocked(p) __sfeof(p)
447#define ferror_unlocked(p) __sferror(p)
448#define clearerr_unlocked(p) __sclearerr(p)
449#define fileno_unlocked(p) __sfileno(p)
450#endif
451#if __POSIX_VISIBLE >= 199506
452#define getc_unlocked(fp) __sgetc(fp)
453#define putc_unlocked(x, fp) __sputc(x, fp)
454
455#define getchar_unlocked() getc_unlocked(stdin)
456#define putchar_unlocked(x) putc_unlocked(x, stdout)
457#endif
458
459#if __BSD_VISIBLE
460int renameat(int, const char *, int, const char *);
461#endif
462__END_DECLS
463#endif /* !_STDIO_H_ */
292int renameat(int, const char *, int, const char *);
293#endif
294__END_DECLS
295#endif /* !_STDIO_H_ */