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stdio.h (87379) stdio.h (93032)
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

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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

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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 87379 2001-12-05 04:16:33Z obrien $
37 * $FreeBSD: head/include/stdio.h 93032 2002-03-23 17:24:55Z imp $
38 */
39
40#ifndef _STDIO_H_
41#define _STDIO_H_
42
43#include <sys/cdefs.h>
44#include <machine/ansi.h>
45

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103 int _w; /* write space left for putc() */
104 short _flags; /* flags, below; this FILE is free if 0 */
105 short _file; /* fileno, if Unix descriptor, else -1 */
106 struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */
107 int _lbfsize; /* 0 or -_bf._size, for inline putc */
108
109 /* operations */
110 void *_cookie; /* cookie passed to io functions */
38 */
39
40#ifndef _STDIO_H_
41#define _STDIO_H_
42
43#include <sys/cdefs.h>
44#include <machine/ansi.h>
45

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103 int _w; /* write space left for putc() */
104 short _flags; /* flags, below; this FILE is free if 0 */
105 short _file; /* fileno, if Unix descriptor, else -1 */
106 struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */
107 int _lbfsize; /* 0 or -_bf._size, for inline putc */
108
109 /* operations */
110 void *_cookie; /* cookie passed to io functions */
111 int (*_close) __P((void *));
112 int (*_read) __P((void *, char *, int));
113 fpos_t (*_seek) __P((void *, fpos_t, int));
114 int (*_write) __P((void *, const char *, int));
111 int (*_close)(void *);
112 int (*_read)(void *, char *, int);
113 fpos_t (*_seek)(void *, fpos_t, int);
114 int (*_write)(void *, const char *, int);
115
116 /* separate buffer for long sequences of ungetc() */
117 struct __sbuf _ub; /* ungetc buffer */
118 struct __sFILEX *_extra; /* additions to FILE to not break ABI */
119 int _ur; /* saved _r when _r is counting ungetc data */
120
121 /* tricks to meet minimum requirements even when malloc() fails */
122 unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */

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207#define stdout __stdoutp
208#define stderr __stderrp
209#endif
210
211/*
212 * Functions defined in ANSI C standard.
213 */
214__BEGIN_DECLS
115
116 /* separate buffer for long sequences of ungetc() */
117 struct __sbuf _ub; /* ungetc buffer */
118 struct __sFILEX *_extra; /* additions to FILE to not break ABI */
119 int _ur; /* saved _r when _r is counting ungetc data */
120
121 /* tricks to meet minimum requirements even when malloc() fails */
122 unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */

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207#define stdout __stdoutp
208#define stderr __stderrp
209#endif
210
211/*
212 * Functions defined in ANSI C standard.
213 */
214__BEGIN_DECLS
215void clearerr __P((FILE *));
216int fclose __P((FILE *));
217int feof __P((FILE *));
218int ferror __P((FILE *));
219int fflush __P((FILE *));
220int fgetc __P((FILE *));
221int fgetpos __P((FILE *, fpos_t *));
222char *fgets __P((char *, int, FILE *));
223FILE *fopen __P((const char *, const char *));
224int fprintf __P((FILE *, const char *, ...));
225int fputc __P((int, FILE *));
226int fputs __P((const char *, FILE *));
227size_t fread __P((void *, size_t, size_t, FILE *));
228FILE *freopen __P((const char *, const char *, FILE *));
229int fscanf __P((FILE *, const char *, ...));
230int fseek __P((FILE *, long, int));
231int fsetpos __P((FILE *, const fpos_t *));
232long ftell __P((FILE *));
233size_t fwrite __P((const void *, size_t, size_t, FILE *));
234int getc __P((FILE *));
235int getchar __P((void));
236char *gets __P((char *));
215void clearerr(FILE *);
216int fclose(FILE *);
217int feof(FILE *);
218int ferror(FILE *);
219int fflush(FILE *);
220int fgetc(FILE *);
221int fgetpos(FILE *, fpos_t *);
222char *fgets(char *, int, FILE *);
223FILE *fopen(const char *, const char *);
224int fprintf(FILE *, const char *, ...);
225int fputc(int, FILE *);
226int fputs(const char *, FILE *);
227size_t fread(void *, size_t, size_t, FILE *);
228FILE *freopen(const char *, const char *, FILE *);
229int fscanf(FILE *, const char *, ...);
230int fseek(FILE *, long, int);
231int fsetpos(FILE *, const fpos_t *);
232long ftell(FILE *);
233size_t fwrite(const void *, size_t, size_t, FILE *);
234int getc(FILE *);
235int getchar(void);
236char *gets(char *);
237#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
238extern __const int sys_nerr; /* perror(3) external variables */
239extern __const char *__const sys_errlist[];
240#endif
237#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
238extern __const int sys_nerr; /* perror(3) external variables */
239extern __const char *__const sys_errlist[];
240#endif
241void perror __P((const char *));
242int printf __P((const char *, ...));
243int putc __P((int, FILE *));
244int putchar __P((int));
245int puts __P((const char *));
246int remove __P((const char *));
247int rename __P((const char *, const char *));
248void rewind __P((FILE *));
249int scanf __P((const char *, ...));
250void setbuf __P((FILE *, char *));
251int setvbuf __P((FILE *, char *, int, size_t));
252int sprintf __P((char *, const char *, ...));
253int sscanf __P((const char *, const char *, ...));
254FILE *tmpfile __P((void));
255char *tmpnam __P((char *));
256int ungetc __P((int, FILE *));
257int vfprintf __P((FILE *, const char *, _BSD_VA_LIST_));
258int vprintf __P((const char *, _BSD_VA_LIST_));
259int vsprintf __P((char *, const char *, _BSD_VA_LIST_));
241void perror(const char *);
242int printf(const char *, ...);
243int putc(int, FILE *);
244int putchar(int);
245int puts(const char *);
246int remove(const char *);
247int rename(const char *, const char *);
248void rewind(FILE *);
249int scanf(const char *, ...);
250void setbuf(FILE *, char *);
251int setvbuf(FILE *, char *, int, size_t);
252int sprintf(char *, const char *, ...);
253int sscanf(const char *, const char *, ...);
254FILE *tmpfile(void);
255char *tmpnam(char *);
256int ungetc(int, FILE *);
257int vfprintf(FILE *, const char *, _BSD_VA_LIST_);
258int vprintf(const char *, _BSD_VA_LIST_);
259int vsprintf(char *, const char *, _BSD_VA_LIST_);
260__END_DECLS
261
262/*
263 * Functions defined in POSIX 1003.1.
264 */
265#ifndef _ANSI_SOURCE
266/* size for cuserid(3); UT_NAMESIZE + 1, see <utmp.h> */
267#define L_cuserid 17
268
269#define L_ctermid 1024 /* size for ctermid(3); PATH_MAX */
270
271__BEGIN_DECLS
260__END_DECLS
261
262/*
263 * Functions defined in POSIX 1003.1.
264 */
265#ifndef _ANSI_SOURCE
266/* size for cuserid(3); UT_NAMESIZE + 1, see <utmp.h> */
267#define L_cuserid 17
268
269#define L_ctermid 1024 /* size for ctermid(3); PATH_MAX */
270
271__BEGIN_DECLS
272char *ctermid __P((char *));
273FILE *fdopen __P((int, const char *));
274int fileno __P((FILE *));
275int ftrylockfile __P((FILE *));
276void flockfile __P((FILE *));
277void funlockfile __P((FILE *));
272char *ctermid(char *);
273FILE *fdopen(int, const char *);
274int fileno(FILE *);
275int ftrylockfile(FILE *);
276void flockfile(FILE *);
277void funlockfile(FILE *);
278__END_DECLS
279#endif /* not ANSI */
280
281/*
282 * Portability hacks. See <sys/types.h>.
283 */
284#if !defined (_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
285__BEGIN_DECLS
286#ifndef _FTRUNCATE_DECLARED
287#define _FTRUNCATE_DECLARED
278__END_DECLS
279#endif /* not ANSI */
280
281/*
282 * Portability hacks. See <sys/types.h>.
283 */
284#if !defined (_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
285__BEGIN_DECLS
286#ifndef _FTRUNCATE_DECLARED
287#define _FTRUNCATE_DECLARED
288int ftruncate __P((int, _BSD_OFF_T_));
288int ftruncate(int, _BSD_OFF_T_);
289#endif
290#ifndef _LSEEK_DECLARED
291#define _LSEEK_DECLARED
289#endif
290#ifndef _LSEEK_DECLARED
291#define _LSEEK_DECLARED
292_BSD_OFF_T_ lseek __P((int, _BSD_OFF_T_, int));
292_BSD_OFF_T_ lseek(int, _BSD_OFF_T_, int);
293#endif
294#ifndef _MMAP_DECLARED
295#define _MMAP_DECLARED
293#endif
294#ifndef _MMAP_DECLARED
295#define _MMAP_DECLARED
296void *mmap __P((void *, size_t, int, int, int, _BSD_OFF_T_));
296void *mmap(void *, size_t, int, int, int, _BSD_OFF_T_);
297#endif
298#ifndef _TRUNCATE_DECLARED
299#define _TRUNCATE_DECLARED
297#endif
298#ifndef _TRUNCATE_DECLARED
299#define _TRUNCATE_DECLARED
300int truncate __P((const char *, _BSD_OFF_T_));
300int truncate(const char *, _BSD_OFF_T_);
301#endif
302__END_DECLS
303#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
304
305/*
306 * Routines that are purely local.
307 */
308#if !defined (_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
309__BEGIN_DECLS
301#endif
302__END_DECLS
303#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
304
305/*
306 * Routines that are purely local.
307 */
308#if !defined (_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
309__BEGIN_DECLS
310int asprintf __P((char **, const char *, ...)) __printflike(2, 3);
311char *ctermid_r __P((char *));
312char *fgetln __P((FILE *, size_t *));
310int asprintf(char **, const char *, ...) __printflike(2, 3);
311char *ctermid_r(char *);
312char *fgetln(FILE *, size_t *);
313#if __GNUC__ == 2 && __GNUC_MINOR__ >= 7 || __GNUC__ >= 3
314#define __ATTR_FORMAT_ARG __attribute__((__format_arg__(2)))
315#else
316#define __ATTR_FORMAT_ARG
317#endif
313#if __GNUC__ == 2 && __GNUC_MINOR__ >= 7 || __GNUC__ >= 3
314#define __ATTR_FORMAT_ARG __attribute__((__format_arg__(2)))
315#else
316#define __ATTR_FORMAT_ARG
317#endif
318__const char *fmtcheck __P((const char *, const char *)) __ATTR_FORMAT_ARG;
319int fpurge __P((FILE *));
320int fseeko __P((FILE *, _BSD_OFF_T_, int));
321_BSD_OFF_T_ ftello __P((FILE *));
322int getw __P((FILE *));
323int pclose __P((FILE *));
324FILE *popen __P((const char *, const char *));
325int putw __P((int, FILE *));
326void setbuffer __P((FILE *, char *, int));
327int setlinebuf __P((FILE *));
328char *tempnam __P((const char *, const char *));
329int snprintf __P((char *, size_t, const char *, ...)) __printflike(3, 4);
330int vasprintf __P((char **, const char *, _BSD_VA_LIST_))
318__const char *fmtcheck(const char *, const char *) __ATTR_FORMAT_ARG;
319int fpurge(FILE *);
320int fseeko(FILE *, _BSD_OFF_T_, int);
321_BSD_OFF_T_ ftello(FILE *);
322int getw(FILE *);
323int pclose(FILE *);
324FILE *popen(const char *, const char *);
325int putw(int, FILE *);
326void setbuffer(FILE *, char *, int);
327int setlinebuf(FILE *);
328char *tempnam(const char *, const char *);
329int snprintf(char *, size_t, const char *, ...) __printflike(3, 4);
330int vasprintf(char **, const char *, _BSD_VA_LIST_)
331 __printflike(2, 0);
331 __printflike(2, 0);
332int vsnprintf __P((char *, size_t, const char *, _BSD_VA_LIST_))
332int vsnprintf(char *, size_t, const char *, _BSD_VA_LIST_)
333 __printflike(3, 0);
333 __printflike(3, 0);
334int vscanf __P((const char *, _BSD_VA_LIST_)) __scanflike(1, 0);
335int vsscanf __P((const char *, const char *, _BSD_VA_LIST_))
334int vscanf(const char *, _BSD_VA_LIST_) __scanflike(1, 0);
335int vsscanf(const char *, const char *, _BSD_VA_LIST_)
336 __scanflike(2, 0);
337__END_DECLS
338
339/*
340 * This is a #define because the function is used internally and
341 * (unlike vfscanf) the name __vfscanf is guaranteed not to collide
342 * with a user function when _ANSI_SOURCE or _POSIX_SOURCE is defined.
343 */
344#define vfscanf __vfscanf
345
346/*
347 * Stdio function-access interface.
348 */
349__BEGIN_DECLS
336 __scanflike(2, 0);
337__END_DECLS
338
339/*
340 * This is a #define because the function is used internally and
341 * (unlike vfscanf) the name __vfscanf is guaranteed not to collide
342 * with a user function when _ANSI_SOURCE or _POSIX_SOURCE is defined.
343 */
344#define vfscanf __vfscanf
345
346/*
347 * Stdio function-access interface.
348 */
349__BEGIN_DECLS
350FILE *funopen __P((const void *,
350FILE *funopen(const void *,
351 int (*)(void *, char *, int),
352 int (*)(void *, const char *, int),
353 fpos_t (*)(void *, fpos_t, int),
351 int (*)(void *, char *, int),
352 int (*)(void *, const char *, int),
353 fpos_t (*)(void *, fpos_t, int),
354 int (*)(void *)));
354 int (*)(void *));
355__END_DECLS
356#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
357#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
358#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
359
360/*
361 * Functions internal to the implementation.
362 */
363__BEGIN_DECLS
355__END_DECLS
356#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
357#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
358#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
359
360/*
361 * Functions internal to the implementation.
362 */
363__BEGIN_DECLS
364int __srget __P((FILE *));
365int __vfscanf __P((FILE *, const char *, _BSD_VA_LIST_));
366int __svfscanf __P((FILE *, const char *, _BSD_VA_LIST_));
367int __swbuf __P((int, FILE *));
364int __srget(FILE *);
365int __vfscanf(FILE *, const char *, _BSD_VA_LIST_);
366int __svfscanf(FILE *, const char *, _BSD_VA_LIST_);
367int __swbuf(int, FILE *);
368__END_DECLS
369
370/*
371 * The __sfoo macros are here so that we can
372 * define function versions in the C library.
373 */
374#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
375#if defined(__GNUC__) && defined(__STDC__)

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369
370/*
371 * The __sfoo macros are here so that we can
372 * define function versions in the C library.
373 */
374#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
375#if defined(__GNUC__) && defined(__STDC__)

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