xref: /freebsd/include/stdio.h (revision 08ed5b80daaae5cfb887b8e960dde7ce0b1eaae2)
159deaec5SRodney W. Grimes /*-
259deaec5SRodney W. Grimes  * Copyright (c) 1990, 1993
359deaec5SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
459deaec5SRodney W. Grimes  *
559deaec5SRodney W. Grimes  * This code is derived from software contributed to Berkeley by
659deaec5SRodney W. Grimes  * Chris Torek.
759deaec5SRodney W. Grimes  *
859deaec5SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
959deaec5SRodney W. Grimes  * modification, are permitted provided that the following conditions
1059deaec5SRodney W. Grimes  * are met:
1159deaec5SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
1259deaec5SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
1359deaec5SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
1459deaec5SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
1559deaec5SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
16f2556687SWarner Losh  * 3. Neither the name of the University nor the names of its contributors
1759deaec5SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
1859deaec5SRodney W. Grimes  *    without specific prior written permission.
1959deaec5SRodney W. Grimes  *
2059deaec5SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2159deaec5SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2259deaec5SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2359deaec5SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2459deaec5SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2559deaec5SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2659deaec5SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2759deaec5SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2859deaec5SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2959deaec5SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3059deaec5SRodney W. Grimes  * SUCH DAMAGE.
3159deaec5SRodney W. Grimes  *
32161f948dSPeter Wemm  *	@(#)stdio.h	8.5 (Berkeley) 4/29/95
33a4add9a9SPeter Wemm  * $FreeBSD$
3459deaec5SRodney W. Grimes  */
3559deaec5SRodney W. Grimes 
3659deaec5SRodney W. Grimes #ifndef	_STDIO_H_
3759deaec5SRodney W. Grimes #define	_STDIO_H_
3859deaec5SRodney W. Grimes 
3959deaec5SRodney W. Grimes #include <sys/cdefs.h>
4012eb46c8SMarcel Moolenaar #include <sys/_null.h>
41abbd8902SMike Barcroft #include <sys/_types.h>
4215aa51b0SBruce Evans 
435dfca833SMike Barcroft typedef	__off_t		fpos_t;
445dfca833SMike Barcroft 
45abbd8902SMike Barcroft #ifndef _SIZE_T_DECLARED
46abbd8902SMike Barcroft typedef	__size_t	size_t;
47abbd8902SMike Barcroft #define	_SIZE_T_DECLARED
4859deaec5SRodney W. Grimes #endif
4959deaec5SRodney W. Grimes 
50448f5f73SJilles Tjoelker #if __POSIX_VISIBLE >= 200809
5169099ba2SDavid Schultz #ifndef _OFF_T_DECLARED
5269099ba2SDavid Schultz #define	_OFF_T_DECLARED
5369099ba2SDavid Schultz typedef	__off_t		off_t;
5469099ba2SDavid Schultz #endif
5569099ba2SDavid Schultz #ifndef _SSIZE_T_DECLARED
5669099ba2SDavid Schultz #define	_SSIZE_T_DECLARED
5769099ba2SDavid Schultz typedef	__ssize_t	ssize_t;
5869099ba2SDavid Schultz #endif
5969099ba2SDavid Schultz #endif
6069099ba2SDavid Schultz 
61877a840cSConrad Meyer #ifndef _OFF64_T_DECLARED
62877a840cSConrad Meyer #define	_OFF64_T_DECLARED
636710d21dSConrad Meyer typedef	__off64_t	off64_t;
64877a840cSConrad Meyer #endif
65877a840cSConrad Meyer 
66448f5f73SJilles Tjoelker #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
675dfca833SMike Barcroft #ifndef _VA_LIST_DECLARED
685dfca833SMike Barcroft typedef	__va_list	va_list;
695dfca833SMike Barcroft #define	_VA_LIST_DECLARED
705dfca833SMike Barcroft #endif
715dfca833SMike Barcroft #endif
725dfca833SMike Barcroft 
7359deaec5SRodney W. Grimes #define	_FSTDIO			/* Define for new stdio with functions. */
7459deaec5SRodney W. Grimes 
7519e03ca8SJohn Baldwin /*
7619e03ca8SJohn Baldwin  * NB: to fit things in six character monocase externals, the stdio
7719e03ca8SJohn Baldwin  * code uses the prefix `__s' for stdio objects, typically followed
7819e03ca8SJohn Baldwin  * by a three-character attempt at a mnemonic.
7919e03ca8SJohn Baldwin  */
8019e03ca8SJohn Baldwin 
8119e03ca8SJohn Baldwin /* stdio buffers */
8219e03ca8SJohn Baldwin struct __sbuf {
8319e03ca8SJohn Baldwin 	unsigned char *_base;
8419e03ca8SJohn Baldwin 	int	_size;
8519e03ca8SJohn Baldwin };
8619e03ca8SJohn Baldwin 
8719e03ca8SJohn Baldwin /*
8819e03ca8SJohn Baldwin  * stdio state variables.
8919e03ca8SJohn Baldwin  *
9019e03ca8SJohn Baldwin  * The following always hold:
9119e03ca8SJohn Baldwin  *
9219e03ca8SJohn Baldwin  *	if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
9319e03ca8SJohn Baldwin  *		_lbfsize is -_bf._size, else _lbfsize is 0
9419e03ca8SJohn Baldwin  *	if _flags&__SRD, _w is 0
9519e03ca8SJohn Baldwin  *	if _flags&__SWR, _r is 0
9619e03ca8SJohn Baldwin  *
9719e03ca8SJohn Baldwin  * This ensures that the getc and putc macros (or inline functions) never
9819e03ca8SJohn Baldwin  * try to write or read from a file that is in `read' or `write' mode.
9919e03ca8SJohn Baldwin  * (Moreover, they can, and do, automatically switch from read mode to
10019e03ca8SJohn Baldwin  * write mode, and back, on "r+" and "w+" files.)
10119e03ca8SJohn Baldwin  *
10219e03ca8SJohn Baldwin  * _lbfsize is used only to make the inline line-buffered output stream
10319e03ca8SJohn Baldwin  * code as compact as possible.
10419e03ca8SJohn Baldwin  *
10519e03ca8SJohn Baldwin  * _ub, _up, and _ur are used when ungetc() pushes back more characters
10619e03ca8SJohn Baldwin  * than fit in the current _bf, or when ungetc() pushes back a character
10719e03ca8SJohn Baldwin  * that does not match the previous one in _bf.  When this happens,
10819e03ca8SJohn Baldwin  * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
10919e03ca8SJohn Baldwin  * _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
11019e03ca8SJohn Baldwin  *
11119e03ca8SJohn Baldwin  * Certain members of __sFILE are accessed directly via macros or
11219e03ca8SJohn Baldwin  * inline functions.  To preserve ABI compat, these members must not
11319e03ca8SJohn Baldwin  * be disturbed.  These members are marked below with (*).
11419e03ca8SJohn Baldwin  */
115c9e7ce2fSDavid Chisnall struct __sFILE {
11619e03ca8SJohn Baldwin 	unsigned char *_p;	/* (*) current position in (some) buffer */
11719e03ca8SJohn Baldwin 	int	_r;		/* (*) read space left for getc() */
11819e03ca8SJohn Baldwin 	int	_w;		/* (*) write space left for putc() */
11919e03ca8SJohn Baldwin 	short	_flags;		/* (*) flags, below; this FILE is free if 0 */
12019e03ca8SJohn Baldwin 	short	_file;		/* (*) fileno, if Unix descriptor, else -1 */
12141a5b871SJohn Baldwin 	struct	__sbuf _bf;	/* (*) the buffer (at least 1 byte, if !NULL) */
12219e03ca8SJohn Baldwin 	int	_lbfsize;	/* (*) 0 or -_bf._size, for inline putc */
12319e03ca8SJohn Baldwin 
12419e03ca8SJohn Baldwin 	/* operations */
125a1b482adSJohn Baldwin 	void	*_cookie;	/* (*) cookie passed to io functions */
12619e03ca8SJohn Baldwin 	int	(*_close)(void *);
12719e03ca8SJohn Baldwin 	int	(*_read)(void *, char *, int);
12819e03ca8SJohn Baldwin 	fpos_t	(*_seek)(void *, fpos_t, int);
12919e03ca8SJohn Baldwin 	int	(*_write)(void *, const char *, int);
13019e03ca8SJohn Baldwin 
13119e03ca8SJohn Baldwin 	/* separate buffer for long sequences of ungetc() */
13219e03ca8SJohn Baldwin 	struct	__sbuf _ub;	/* ungetc buffer */
13319e03ca8SJohn Baldwin 	unsigned char	*_up;	/* saved _p when _p is doing ungetc data */
13419e03ca8SJohn Baldwin 	int	_ur;		/* saved _r when _r is counting ungetc data */
13519e03ca8SJohn Baldwin 
13619e03ca8SJohn Baldwin 	/* tricks to meet minimum requirements even when malloc() fails */
13719e03ca8SJohn Baldwin 	unsigned char _ubuf[3];	/* guarantee an ungetc() buffer */
13819e03ca8SJohn Baldwin 	unsigned char _nbuf[1];	/* guarantee a getc() buffer */
13919e03ca8SJohn Baldwin 
14019e03ca8SJohn Baldwin 	/* separate buffer for fgetln() when line crosses buffer boundary */
14119e03ca8SJohn Baldwin 	struct	__sbuf _lb;	/* buffer for fgetln() */
14219e03ca8SJohn Baldwin 
14319e03ca8SJohn Baldwin 	/* Unix stdio files get aligned to block boundaries on fseek() */
14419e03ca8SJohn Baldwin 	int	_blksize;	/* stat.st_blksize (may be != _bf._size) */
14519e03ca8SJohn Baldwin 	fpos_t	_offset;	/* current lseek offset */
14619e03ca8SJohn Baldwin 
14719e03ca8SJohn Baldwin 	struct pthread_mutex *_fl_mutex;	/* used for MT-safety */
14819e03ca8SJohn Baldwin 	struct pthread *_fl_owner;	/* current owner */
14919e03ca8SJohn Baldwin 	int	_fl_count;	/* recursive lock count */
15019e03ca8SJohn Baldwin 	int	_orientation;	/* orientation for fwide() */
15119e03ca8SJohn Baldwin 	__mbstate_t _mbstate;	/* multibyte conversion state */
1528b63538dSAndrey A. Chernov 	int	_flags2;	/* additional flags */
153c9e7ce2fSDavid Chisnall };
154c9e7ce2fSDavid Chisnall #ifndef _STDFILE_DECLARED
155c9e7ce2fSDavid Chisnall #define _STDFILE_DECLARED
156c9e7ce2fSDavid Chisnall typedef struct __sFILE FILE;
157c9e7ce2fSDavid Chisnall #endif
15884bb9aaaSTim J. Robbins #ifndef _STDSTREAM_DECLARED
15959deaec5SRodney W. Grimes __BEGIN_DECLS
1602b618987SPeter Wemm extern FILE *__stdinp;
1612b618987SPeter Wemm extern FILE *__stdoutp;
1622b618987SPeter Wemm extern FILE *__stderrp;
16359deaec5SRodney W. Grimes __END_DECLS
16484bb9aaaSTim J. Robbins #define	_STDSTREAM_DECLARED
16584bb9aaaSTim J. Robbins #endif
16659deaec5SRodney W. Grimes 
16719e03ca8SJohn Baldwin #define	__SLBF	0x0001		/* line buffered */
16819e03ca8SJohn Baldwin #define	__SNBF	0x0002		/* unbuffered */
16919e03ca8SJohn Baldwin #define	__SRD	0x0004		/* OK to read */
17019e03ca8SJohn Baldwin #define	__SWR	0x0008		/* OK to write */
17119e03ca8SJohn Baldwin 	/* RD and WR are never simultaneously asserted */
17219e03ca8SJohn Baldwin #define	__SRW	0x0010		/* open for reading & writing */
17319e03ca8SJohn Baldwin #define	__SEOF	0x0020		/* found EOF */
17419e03ca8SJohn Baldwin #define	__SERR	0x0040		/* found error */
175addf3409SBryan Drewery #define	__SMBF	0x0080		/* _bf._base is from malloc */
17619e03ca8SJohn Baldwin #define	__SAPP	0x0100		/* fdopen()ed in append mode */
17719e03ca8SJohn Baldwin #define	__SSTR	0x0200		/* this is an sprintf/snprintf string */
17819e03ca8SJohn Baldwin #define	__SOPT	0x0400		/* do fseek() optimization */
17919e03ca8SJohn Baldwin #define	__SNPT	0x0800		/* do not do fseek() optimization */
18019e03ca8SJohn Baldwin #define	__SOFF	0x1000		/* set iff _offset is in fact correct */
18119e03ca8SJohn Baldwin #define	__SMOD	0x2000		/* true => fgetln modified _p text */
18219e03ca8SJohn Baldwin #define	__SALC	0x4000		/* allocate string space dynamically */
18319e03ca8SJohn Baldwin #define	__SIGN	0x8000		/* ignore this file in _fwalk */
18419e03ca8SJohn Baldwin 
1858b63538dSAndrey A. Chernov #define	__S2OAP	0x0001		/* O_APPEND mode is set */
1868b63538dSAndrey A. Chernov 
18759deaec5SRodney W. Grimes /*
18859deaec5SRodney W. Grimes  * The following three definitions are for ANSI C, which took them
18959deaec5SRodney W. Grimes  * from System V, which brilliantly took internal interface macros and
19059deaec5SRodney W. Grimes  * made them official arguments to setvbuf(), without renaming them.
19159deaec5SRodney W. Grimes  * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
19219e03ca8SJohn Baldwin  *
19319e03ca8SJohn Baldwin  * Although numbered as their counterparts above, the implementation
19419e03ca8SJohn Baldwin  * does not rely on this.
19559deaec5SRodney W. Grimes  */
19659deaec5SRodney W. Grimes #define	_IOFBF	0		/* setvbuf should set fully buffered */
19759deaec5SRodney W. Grimes #define	_IOLBF	1		/* setvbuf should set line buffered */
19859deaec5SRodney W. Grimes #define	_IONBF	2		/* setvbuf should set unbuffered */
19959deaec5SRodney W. Grimes 
20059deaec5SRodney W. Grimes #define	BUFSIZ	1024		/* size of buffer used by setbuf */
20159deaec5SRodney W. Grimes #define	EOF	(-1)
20259deaec5SRodney W. Grimes 
20359deaec5SRodney W. Grimes /*
20459deaec5SRodney W. Grimes  * FOPEN_MAX is a minimum maximum, and is the number of streams that
20559deaec5SRodney W. Grimes  * stdio can provide without attempting to allocate further resources
20659deaec5SRodney W. Grimes  * (which could fail).  Do not use this for anything.
20759deaec5SRodney W. Grimes  */
20859deaec5SRodney W. Grimes 				/* must be == _POSIX_STREAM_MAX <limits.h> */
2092c2f4a60SJohn Birrell #ifndef FOPEN_MAX
21059deaec5SRodney W. Grimes #define	FOPEN_MAX	20	/* must be <= OPEN_MAX <sys/syslimits.h> */
2112c2f4a60SJohn Birrell #endif
21259deaec5SRodney W. Grimes #define	FILENAME_MAX	1024	/* must be <= PATH_MAX <sys/syslimits.h> */
21359deaec5SRodney W. Grimes 
21459deaec5SRodney W. Grimes /* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
215702b2a72SGarrett Wollman #if __XSI_VISIBLE
216c8fb747dSXin LI #define	P_tmpdir	"/tmp/"
21759deaec5SRodney W. Grimes #endif
21859deaec5SRodney W. Grimes #define	L_tmpnam	1024	/* XXX must be == PATH_MAX */
21959deaec5SRodney W. Grimes #define	TMP_MAX		308915776
22059deaec5SRodney W. Grimes 
22159deaec5SRodney W. Grimes #ifndef SEEK_SET
22259deaec5SRodney W. Grimes #define	SEEK_SET	0	/* set file offset to offset */
22359deaec5SRodney W. Grimes #endif
22459deaec5SRodney W. Grimes #ifndef SEEK_CUR
22559deaec5SRodney W. Grimes #define	SEEK_CUR	1	/* set file offset to current plus offset */
22659deaec5SRodney W. Grimes #endif
22759deaec5SRodney W. Grimes #ifndef SEEK_END
22859deaec5SRodney W. Grimes #define	SEEK_END	2	/* set file offset to EOF plus offset */
22959deaec5SRodney W. Grimes #endif
23059deaec5SRodney W. Grimes 
2312b618987SPeter Wemm #define	stdin	__stdinp
2322b618987SPeter Wemm #define	stdout	__stdoutp
2332b618987SPeter Wemm #define	stderr	__stderrp
23459deaec5SRodney W. Grimes 
235702b2a72SGarrett Wollman __BEGIN_DECLS
2363ac9d659SDavid Chisnall #ifdef _XLOCALE_H_
2373ac9d659SDavid Chisnall #include <xlocale/_stdio.h>
2383ac9d659SDavid Chisnall #endif
23959deaec5SRodney W. Grimes /*
24059deaec5SRodney W. Grimes  * Functions defined in ANSI C standard.
24159deaec5SRodney W. Grimes  */
242bb28f3c2SWarner Losh void	 clearerr(FILE *);
243bb28f3c2SWarner Losh int	 fclose(FILE *);
244bb28f3c2SWarner Losh int	 feof(FILE *);
245bb28f3c2SWarner Losh int	 ferror(FILE *);
246bb28f3c2SWarner Losh int	 fflush(FILE *);
247bb28f3c2SWarner Losh int	 fgetc(FILE *);
24854e4e385SMike Barcroft int	 fgetpos(FILE * __restrict, fpos_t * __restrict);
24954e4e385SMike Barcroft char	*fgets(char * __restrict, int, FILE * __restrict);
25054e4e385SMike Barcroft FILE	*fopen(const char * __restrict, const char * __restrict);
25171a00a44SRobert Drehmel int	 fprintf(FILE * __restrict, const char * __restrict, ...);
252bb28f3c2SWarner Losh int	 fputc(int, FILE *);
25354e4e385SMike Barcroft int	 fputs(const char * __restrict, FILE * __restrict);
25454e4e385SMike Barcroft size_t	 fread(void * __restrict, size_t, size_t, FILE * __restrict);
25554e4e385SMike Barcroft FILE	*freopen(const char * __restrict, const char * __restrict, FILE * __restrict);
25654e4e385SMike Barcroft int	 fscanf(FILE * __restrict, const char * __restrict, ...);
257bb28f3c2SWarner Losh int	 fseek(FILE *, long, int);
258bb28f3c2SWarner Losh int	 fsetpos(FILE *, const fpos_t *);
259bb28f3c2SWarner Losh long	 ftell(FILE *);
26054e4e385SMike Barcroft size_t	 fwrite(const void * __restrict, size_t, size_t, FILE * __restrict);
261bb28f3c2SWarner Losh int	 getc(FILE *);
262bb28f3c2SWarner Losh int	 getchar(void);
263bb28f3c2SWarner Losh char	*gets(char *);
264bb28f3c2SWarner Losh void	 perror(const char *);
26571a00a44SRobert Drehmel int	 printf(const char * __restrict, ...);
266bb28f3c2SWarner Losh int	 putc(int, FILE *);
267bb28f3c2SWarner Losh int	 putchar(int);
268bb28f3c2SWarner Losh int	 puts(const char *);
269bb28f3c2SWarner Losh int	 remove(const char *);
270bb28f3c2SWarner Losh int	 rename(const char *, const char *);
271bb28f3c2SWarner Losh void	 rewind(FILE *);
27254e4e385SMike Barcroft int	 scanf(const char * __restrict, ...);
2733248d0a5SRobert Drehmel void	 setbuf(FILE * __restrict, char * __restrict);
2743248d0a5SRobert Drehmel int	 setvbuf(FILE * __restrict, char * __restrict, int, size_t);
27571a00a44SRobert Drehmel int	 sprintf(char * __restrict, const char * __restrict, ...);
27654e4e385SMike Barcroft int	 sscanf(const char * __restrict, const char * __restrict, ...);
277bb28f3c2SWarner Losh FILE	*tmpfile(void);
278bb28f3c2SWarner Losh char	*tmpnam(char *);
279bb28f3c2SWarner Losh int	 ungetc(int, FILE *);
280f8418db7SRobert Drehmel int	 vfprintf(FILE * __restrict, const char * __restrict,
281abbd8902SMike Barcroft 	    __va_list);
282abbd8902SMike Barcroft int	 vprintf(const char * __restrict, __va_list);
283f8418db7SRobert Drehmel int	 vsprintf(char * __restrict, const char * __restrict,
284abbd8902SMike Barcroft 	    __va_list);
285702b2a72SGarrett Wollman 
286702b2a72SGarrett Wollman #if __ISO_C_VISIBLE >= 1999
287f8418db7SRobert Drehmel int	 snprintf(char * __restrict, size_t, const char * __restrict,
288f8418db7SRobert Drehmel 	    ...) __printflike(3, 4);
289af1c9c0eSTim J. Robbins int	 vfscanf(FILE * __restrict, const char * __restrict, __va_list)
290af1c9c0eSTim J. Robbins 	    __scanflike(2, 0);
29154e4e385SMike Barcroft int	 vscanf(const char * __restrict, __va_list) __scanflike(1, 0);
292f8418db7SRobert Drehmel int	 vsnprintf(char * __restrict, size_t, const char * __restrict,
293abbd8902SMike Barcroft 	    __va_list) __printflike(3, 0);
29454e4e385SMike Barcroft int	 vsscanf(const char * __restrict, const char * __restrict, __va_list)
2955dfca833SMike Barcroft 	    __scanflike(2, 0);
296702b2a72SGarrett Wollman #endif
29759deaec5SRodney W. Grimes 
29859deaec5SRodney W. Grimes /*
299702b2a72SGarrett Wollman  * Functions defined in all versions of POSIX 1003.1.
30059deaec5SRodney W. Grimes  */
30176902266SJilles Tjoelker #if __BSD_VISIBLE || (__POSIX_VISIBLE && __POSIX_VISIBLE <= 199506)
302cdd337c2SEd Schouten #define	L_cuserid	17	/* size for cuserid(3); MAXLOGNAME, legacy */
3035dfca833SMike Barcroft #endif
3048c372bd8SWolfram Schneider 
3055dfca833SMike Barcroft #if __POSIX_VISIBLE
3068c372bd8SWolfram Schneider #define	L_ctermid	1024	/* size for ctermid(3); PATH_MAX */
30759deaec5SRodney W. Grimes 
308bb28f3c2SWarner Losh char	*ctermid(char *);
309bb28f3c2SWarner Losh FILE	*fdopen(int, const char *);
310bb28f3c2SWarner Losh int	 fileno(FILE *);
311702b2a72SGarrett Wollman #endif /* __POSIX_VISIBLE */
312702b2a72SGarrett Wollman 
313702b2a72SGarrett Wollman #if __POSIX_VISIBLE >= 199209
314702b2a72SGarrett Wollman int	 pclose(FILE *);
315702b2a72SGarrett Wollman FILE	*popen(const char *, const char *);
316702b2a72SGarrett Wollman #endif
317702b2a72SGarrett Wollman 
318702b2a72SGarrett Wollman #if __POSIX_VISIBLE >= 199506
319bb28f3c2SWarner Losh int	 ftrylockfile(FILE *);
320bb28f3c2SWarner Losh void	 flockfile(FILE *);
321bb28f3c2SWarner Losh void	 funlockfile(FILE *);
322702b2a72SGarrett Wollman 
323702b2a72SGarrett Wollman /*
32419e03ca8SJohn Baldwin  * These are normally used through macros as defined below, but POSIX
32519e03ca8SJohn Baldwin  * requires functions as well.
326702b2a72SGarrett Wollman  */
327702b2a72SGarrett Wollman int	 getc_unlocked(FILE *);
328702b2a72SGarrett Wollman int	 getchar_unlocked(void);
329702b2a72SGarrett Wollman int	 putc_unlocked(int, FILE *);
330702b2a72SGarrett Wollman int	 putchar_unlocked(int);
331702b2a72SGarrett Wollman #endif
332e8065dc4STim J. Robbins #if __BSD_VISIBLE
333e8065dc4STim J. Robbins void	 clearerr_unlocked(FILE *);
334e8065dc4STim J. Robbins int	 feof_unlocked(FILE *);
335e8065dc4STim J. Robbins int	 ferror_unlocked(FILE *);
336e8065dc4STim J. Robbins int	 fileno_unlocked(FILE *);
337e8065dc4STim J. Robbins #endif
338702b2a72SGarrett Wollman 
339702b2a72SGarrett Wollman #if __POSIX_VISIBLE >= 200112
340abbd8902SMike Barcroft int	 fseeko(FILE *, __off_t, int);
341abbd8902SMike Barcroft __off_t	 ftello(FILE *);
342702b2a72SGarrett Wollman #endif
343702b2a72SGarrett Wollman 
344702b2a72SGarrett Wollman #if __BSD_VISIBLE || __XSI_VISIBLE > 0 && __XSI_VISIBLE < 600
345702b2a72SGarrett Wollman int	 getw(FILE *);
346702b2a72SGarrett Wollman int	 putw(int, FILE *);
347702b2a72SGarrett Wollman #endif /* BSD or X/Open before issue 6 */
348702b2a72SGarrett Wollman 
349702b2a72SGarrett Wollman #if __XSI_VISIBLE
350702b2a72SGarrett Wollman char	*tempnam(const char *, const char *);
351702b2a72SGarrett Wollman #endif
352702b2a72SGarrett Wollman 
353448f5f73SJilles Tjoelker #if __POSIX_VISIBLE >= 200809
35496c95412SPietro Cerutti FILE	*fmemopen(void * __restrict, size_t, const char * __restrict);
35569099ba2SDavid Schultz ssize_t	 getdelim(char ** __restrict, size_t * __restrict, int,
35669099ba2SDavid Schultz 	    FILE * __restrict);
3579240031aSJohn Baldwin FILE	*open_memstream(char **, size_t *);
35838953375SDavid Schultz int	 renameat(int, const char *, int, const char *);
359ad760e6fSDavid Schultz int	 vdprintf(int, const char * __restrict, __va_list);
360*08ed5b80SWarner Losh /* _WITH_GETLINE to allow pre 11 sources to build on 11+ systems */
36169099ba2SDavid Schultz ssize_t	 getline(char ** __restrict, size_t * __restrict, FILE * __restrict);
362dd47921eSBaptiste Daroussin int	 dprintf(int, const char * __restrict, ...);
363448f5f73SJilles Tjoelker #endif /* __POSIX_VISIBLE >= 200809 */
36469099ba2SDavid Schultz 
365702b2a72SGarrett Wollman /*
366702b2a72SGarrett Wollman  * Routines that are purely local.
367702b2a72SGarrett Wollman  */
368702b2a72SGarrett Wollman #if __BSD_VISIBLE
369702b2a72SGarrett Wollman int	 asprintf(char **, const char *, ...) __printflike(2, 3);
370702b2a72SGarrett Wollman char	*ctermid_r(char *);
37128c94ec4SDaniel Eischen void	 fcloseall(void);
372fd109954SMariusz Zaborski int	 fdclose(FILE *, int *);
373702b2a72SGarrett Wollman char	*fgetln(FILE *, size_t *);
374efa952cdSXin LI const char *fmtcheck(const char *, const char *) __format_arg(2);
375702b2a72SGarrett Wollman int	 fpurge(FILE *);
376702b2a72SGarrett Wollman void	 setbuffer(FILE *, char *, int);
377702b2a72SGarrett Wollman int	 setlinebuf(FILE *);
378abbd8902SMike Barcroft int	 vasprintf(char **, const char *, __va_list)
379702b2a72SGarrett Wollman 	    __printflike(2, 0);
380702b2a72SGarrett Wollman 
381702b2a72SGarrett Wollman /*
382702b2a72SGarrett Wollman  * The system error table contains messages for the first sys_nerr
383702b2a72SGarrett Wollman  * positive errno values.  Use strerror() or strerror_r() from <string.h>
384702b2a72SGarrett Wollman  * instead.
385702b2a72SGarrett Wollman  */
386f6ab8089SEd Schouten extern const int sys_nerr;
387f6ab8089SEd Schouten extern const char * const sys_errlist[];
388702b2a72SGarrett Wollman 
389702b2a72SGarrett Wollman /*
390702b2a72SGarrett Wollman  * Stdio function-access interface.
391702b2a72SGarrett Wollman  */
392702b2a72SGarrett Wollman FILE	*funopen(const void *,
393702b2a72SGarrett Wollman 	    int (*)(void *, char *, int),
394702b2a72SGarrett Wollman 	    int (*)(void *, const char *, int),
395702b2a72SGarrett Wollman 	    fpos_t (*)(void *, fpos_t, int),
396702b2a72SGarrett Wollman 	    int (*)(void *));
397702b2a72SGarrett Wollman #define	fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
398702b2a72SGarrett Wollman #define	fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
39959deaec5SRodney W. Grimes 
4009183be81SConrad Meyer typedef __ssize_t cookie_read_function_t(void *, char *, size_t);
4019183be81SConrad Meyer typedef __ssize_t cookie_write_function_t(void *, const char *, size_t);
4029183be81SConrad Meyer typedef int cookie_seek_function_t(void *, off64_t *, int);
4039183be81SConrad Meyer typedef int cookie_close_function_t(void *);
404877a840cSConrad Meyer typedef struct {
405877a840cSConrad Meyer 	cookie_read_function_t	*read;
406877a840cSConrad Meyer 	cookie_write_function_t	*write;
407877a840cSConrad Meyer 	cookie_seek_function_t	*seek;
408877a840cSConrad Meyer 	cookie_close_function_t	*close;
409877a840cSConrad Meyer } cookie_io_functions_t;
410877a840cSConrad Meyer FILE	*fopencookie(void *, const char *, cookie_io_functions_t);
411877a840cSConrad Meyer 
41259deaec5SRodney W. Grimes /*
41315aa51b0SBruce Evans  * Portability hacks.  See <sys/types.h>.
41415aa51b0SBruce Evans  */
41515aa51b0SBruce Evans #ifndef _FTRUNCATE_DECLARED
41615aa51b0SBruce Evans #define	_FTRUNCATE_DECLARED
417abbd8902SMike Barcroft int	 ftruncate(int, __off_t);
41815aa51b0SBruce Evans #endif
41915aa51b0SBruce Evans #ifndef _LSEEK_DECLARED
42015aa51b0SBruce Evans #define	_LSEEK_DECLARED
421abbd8902SMike Barcroft __off_t	 lseek(int, __off_t, int);
42215aa51b0SBruce Evans #endif
42315aa51b0SBruce Evans #ifndef _MMAP_DECLARED
42415aa51b0SBruce Evans #define	_MMAP_DECLARED
425abbd8902SMike Barcroft void	*mmap(void *, size_t, int, int, int, __off_t);
42615aa51b0SBruce Evans #endif
42715aa51b0SBruce Evans #ifndef _TRUNCATE_DECLARED
42815aa51b0SBruce Evans #define	_TRUNCATE_DECLARED
429abbd8902SMike Barcroft int	 truncate(const char *, __off_t);
43015aa51b0SBruce Evans #endif
431702b2a72SGarrett Wollman #endif /* __BSD_VISIBLE */
43259deaec5SRodney W. Grimes 
43319e03ca8SJohn Baldwin /*
43419e03ca8SJohn Baldwin  * Functions internal to the implementation.
43519e03ca8SJohn Baldwin  */
43619e03ca8SJohn Baldwin int	__srget(FILE *);
43719e03ca8SJohn Baldwin int	__swbuf(int, FILE *);
43819e03ca8SJohn Baldwin 
43919e03ca8SJohn Baldwin /*
44019e03ca8SJohn Baldwin  * The __sfoo macros are here so that we can
44119e03ca8SJohn Baldwin  * define function versions in the C library.
44219e03ca8SJohn Baldwin  */
44319e03ca8SJohn Baldwin #define	__sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
44419e03ca8SJohn Baldwin #if defined(__GNUC__) && defined(__STDC__)
44519e03ca8SJohn Baldwin static __inline int __sputc(int _c, FILE *_p) {
44619e03ca8SJohn Baldwin 	if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
44719e03ca8SJohn Baldwin 		return (*_p->_p++ = _c);
44819e03ca8SJohn Baldwin 	else
44919e03ca8SJohn Baldwin 		return (__swbuf(_c, _p));
45019e03ca8SJohn Baldwin }
45119e03ca8SJohn Baldwin #else
45219e03ca8SJohn Baldwin /*
45319e03ca8SJohn Baldwin  * This has been tuned to generate reasonable code on the vax using pcc.
45419e03ca8SJohn Baldwin  */
45519e03ca8SJohn Baldwin #define	__sputc(c, p) \
45619e03ca8SJohn Baldwin 	(--(p)->_w < 0 ? \
45719e03ca8SJohn Baldwin 		(p)->_w >= (p)->_lbfsize ? \
45819e03ca8SJohn Baldwin 			(*(p)->_p = (c)), *(p)->_p != '\n' ? \
45919e03ca8SJohn Baldwin 				(int)*(p)->_p++ : \
46019e03ca8SJohn Baldwin 				__swbuf('\n', p) : \
46119e03ca8SJohn Baldwin 			__swbuf((int)(c), p) : \
46219e03ca8SJohn Baldwin 		(*(p)->_p = (c), (int)*(p)->_p++))
46319e03ca8SJohn Baldwin #endif
464eb1f614bSDavid Chisnall 
465eb1f614bSDavid Chisnall extern int __isthreaded;
466eb1f614bSDavid Chisnall 
467c9e7ce2fSDavid Chisnall #ifndef __cplusplus
46819e03ca8SJohn Baldwin 
46919e03ca8SJohn Baldwin #define	__sfeof(p)	(((p)->_flags & __SEOF) != 0)
47019e03ca8SJohn Baldwin #define	__sferror(p)	(((p)->_flags & __SERR) != 0)
47119e03ca8SJohn Baldwin #define	__sclearerr(p)	((void)((p)->_flags &= ~(__SERR|__SEOF)))
47219e03ca8SJohn Baldwin #define	__sfileno(p)	((p)->_file)
47319e03ca8SJohn Baldwin 
47419e03ca8SJohn Baldwin 
47519e03ca8SJohn Baldwin #define	feof(p)		(!__isthreaded ? __sfeof(p) : (feof)(p))
47619e03ca8SJohn Baldwin #define	ferror(p)	(!__isthreaded ? __sferror(p) : (ferror)(p))
47719e03ca8SJohn Baldwin #define	clearerr(p)	(!__isthreaded ? __sclearerr(p) : (clearerr)(p))
47819e03ca8SJohn Baldwin 
47919e03ca8SJohn Baldwin #if __POSIX_VISIBLE
48019e03ca8SJohn Baldwin #define	fileno(p)	(!__isthreaded ? __sfileno(p) : (fileno)(p))
48119e03ca8SJohn Baldwin #endif
48219e03ca8SJohn Baldwin 
48319e03ca8SJohn Baldwin #define	getc(fp)	(!__isthreaded ? __sgetc(fp) : (getc)(fp))
48419e03ca8SJohn Baldwin #define	putc(x, fp)	(!__isthreaded ? __sputc(x, fp) : (putc)(x, fp))
48519e03ca8SJohn Baldwin 
48619e03ca8SJohn Baldwin #define	getchar()	getc(stdin)
48719e03ca8SJohn Baldwin #define	putchar(x)	putc(x, stdout)
48819e03ca8SJohn Baldwin 
48919e03ca8SJohn Baldwin #if __BSD_VISIBLE
49019e03ca8SJohn Baldwin /*
49119e03ca8SJohn Baldwin  * See ISO/IEC 9945-1 ANSI/IEEE Std 1003.1 Second Edition 1996-07-12
49219e03ca8SJohn Baldwin  * B.8.2.7 for the rationale behind the *_unlocked() macros.
49319e03ca8SJohn Baldwin  */
49419e03ca8SJohn Baldwin #define	feof_unlocked(p)	__sfeof(p)
49519e03ca8SJohn Baldwin #define	ferror_unlocked(p)	__sferror(p)
49619e03ca8SJohn Baldwin #define	clearerr_unlocked(p)	__sclearerr(p)
49719e03ca8SJohn Baldwin #define	fileno_unlocked(p)	__sfileno(p)
49819e03ca8SJohn Baldwin #endif
49919e03ca8SJohn Baldwin #if __POSIX_VISIBLE >= 199506
50019e03ca8SJohn Baldwin #define	getc_unlocked(fp)	__sgetc(fp)
50119e03ca8SJohn Baldwin #define	putc_unlocked(x, fp)	__sputc(x, fp)
50219e03ca8SJohn Baldwin 
50319e03ca8SJohn Baldwin #define	getchar_unlocked()	getc_unlocked(stdin)
50419e03ca8SJohn Baldwin #define	putchar_unlocked(x)	putc_unlocked(x, stdout)
50519e03ca8SJohn Baldwin #endif
506c9e7ce2fSDavid Chisnall #endif /* __cplusplus */
50719e03ca8SJohn Baldwin 
508702b2a72SGarrett Wollman __END_DECLS
50915aa51b0SBruce Evans #endif /* !_STDIO_H_ */
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