epoc32/include/stdapis/stdio.h
author William Roberts <williamr@symbian.org>
Tue, 16 Mar 2010 16:12:26 +0000
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
child 4 837f303aceeb
permissions -rw-r--r--
Final list of Symbian^2 public API header files
     1 /*-
     2 
     3  * © Portions copyright (c) 2006 Symbian Software Ltd. All rights reserved.
     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  * 4. 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  * $FreeBSD: src/include/stdio.h,v 1.56 2004/06/20 10:01:30 tjr Exp $
    36  *  © Portions copyright (c) 2005-2006  Nokia Corporation.  All rights reserved.
    37  * © Portions copyright (c) 2007-2008 Symbian Software Ltd. All rights reserved.
    38  */
    39 
    40 #ifndef	_STDIO_H_
    41 #define	_STDIO_H_
    42 
    43 #ifdef __cplusplus
    44 extern "C" {
    45 #endif
    46 
    47 #include <sys/cdefs.h>
    48 #include <sys/_null.h>
    49 #include <sys/_types.h>
    50 
    51 #ifdef __SYMBIAN32__
    52 #include <_ansi.h>
    53 #include <errno.h>
    54 #include <sys/types.h>
    55 #endif
    56 
    57 
    58 
    59 typedef	__off_t		fpos_t;
    60 
    61 #ifndef _SIZE_T_DECLARED
    62 typedef	__size_t	size_t;
    63 #define	_SIZE_T_DECLARED
    64 #endif
    65 
    66 #ifndef __SYMBIAN32__
    67 //#ifndef __DOXYGEN__ 
    68 #if (__BSD_VISIBLE || __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE) && !__SYMBIAN32__
    69 #ifndef _VA_LIST_DECLARED
    70 typedef	__va_list	va_list;
    71 #define va_list __e32_va_list
    72 #define	_VA_LIST_DECLARED
    73 #endif
    74 #endif
    75 //#endif //__DOXYGEN__
    76 #else //__SYMBIAN32__
    77 #include <stdarg_e.h>
    78 #include <stdarg.h>
    79 #endif //__SYMBIAN32__
    80 
    81 #ifdef __SYMBIAN32__
    82 #ifndef __DOXYGEN__
    83 #define vfscanf __vfscanf
    84 #endif //__DOXYGEN__
    85 #ifndef _VA_COPY_DEFINED
    86 #define va_copy(dst,src) (dst = src)
    87 #define  _VA_COPY_DEFINED
    88 #endif //_VA_COPY_DEFINED
    89 #endif // __SYMBIAN32__
    90 #define	_FSTDIO			/* Define for new stdio with functions. */
    91 
    92 /*
    93  * NB: to fit things in six character monocase externals, the stdio
    94  * code uses the prefix `__s' for stdio objects, typically followed
    95  * by a three-character attempt at a mnemonic.
    96  */
    97 
    98 /* stdio buffers */
    99 struct __sbuf {
   100 	unsigned char *_base;
   101 	int	_size;
   102 };
   103 
   104 /* hold a buncha junk that would grow the ABI */
   105 struct __sFILEX;
   106 
   107 /*
   108  * stdio state variables.
   109  *
   110  * The following always hold:
   111  *
   112  *	if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
   113  *		_lbfsize is -_bf._size, else _lbfsize is 0
   114  *	if _flags&__SRD, _w is 0
   115  *	if _flags&__SWR, _r is 0
   116  *
   117  * This ensures that the getc and putc macros (or inline functions) never
   118  * try to write or read from a file that is in `read' or `write' mode.
   119  * (Moreover, they can, and do, automatically switch from read mode to
   120  * write mode, and back, on "r+" and "w+" files.)
   121  *
   122  * _lbfsize is used only to make the inline line-buffered output stream
   123  * code as compact as possible.
   124  *
   125  * _ub, _up, and _ur are used when ungetc() pushes back more characters
   126  * than fit in the current _bf, or when ungetc() pushes back a character
   127  * that does not match the previous one in _bf.  When this happens,
   128  * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
   129  * _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
   130  */
   131 typedef	struct __sFILE {
   132 	unsigned char *_p;	/* current position in (some) buffer */
   133 	int	_r;		/* read space left for getc() */
   134 	int	_w;		/* write space left for putc() */
   135 	short	_flags;		/* flags, below; this FILE is free if 0 */
   136 	short	_file;		/* fileno, if Unix descriptor, else -1 */
   137 	struct	__sbuf _bf;	/* the buffer (at least 1 byte, if !NULL) */
   138 	int	_lbfsize;	/* 0 or -_bf._size, for inline putc */
   139 
   140 	/* operations */
   141 	void	*_cookie;	/* cookie passed to io functions */
   142 	int	(*_close)(void *);
   143 	int	(*_read)(void *, char *, int);
   144 	fpos_t	(*_seek)(void *, fpos_t, int);
   145 	int	(*_write)(void *, const char *, int);
   146 
   147 	/* separate buffer for long sequences of ungetc() */
   148 	struct	__sbuf _ub;	/* ungetc buffer */
   149 	struct __sFILEX *_extra; /* additions to FILE to not break ABI */
   150 	int	_ur;		/* saved _r when _r is counting ungetc data */
   151 
   152 	/* tricks to meet minimum requirements even when malloc() fails */
   153 	unsigned char _ubuf[3];	/* guarantee an ungetc() buffer */
   154 	unsigned char _nbuf[1];	/* guarantee a getc() buffer */
   155 
   156 	/* separate buffer for fgetln() when line crosses buffer boundary */
   157 	struct	__sbuf _lb;	/* buffer for fgetln() */
   158 
   159 	/* Unix stdio files get aligned to block boundaries on fseek() */
   160 	int	_blksize;	/* stat.st_blksize (may be != _bf._size) */
   161 	fpos_t	_offset;	/* current lseek offset */
   162 } FILE;
   163 
   164 #ifndef _STDSTREAM_DECLARED
   165 __BEGIN_DECLS
   166 #if (!defined(__SYMBIAN32__) && (!defined(__WINSCW__) || !defined(__WINS__)))
   167 extern FILE *__stdinp;
   168 extern FILE *__stdoutp;
   169 extern FILE *__stderrp;
   170 #endif //EMULATOR
   171 __END_DECLS
   172 #define	_STDSTREAM_DECLARED
   173 #endif
   174 
   175 #define	__SLBF	0x0001		/* line buffered */
   176 #define	__SNBF	0x0002		/* unbuffered */
   177 #define	__SRD	0x0004		/* OK to read */
   178 #define	__SWR	0x0008		/* OK to write */
   179 	/* RD and WR are never simultaneously asserted */
   180 #define	__SRW	0x0010		/* open for reading & writing */
   181 #define	__SEOF	0x0020		/* found EOF */
   182 #define	__SERR	0x0040		/* found error */
   183 #define	__SMBF	0x0080		/* _buf is from malloc */
   184 #define	__SAPP	0x0100		/* fdopen()ed in append mode */
   185 #define	__SSTR	0x0200		/* this is an sprintf/snprintf string */
   186 #define	__SOPT	0x0400		/* do fseek() optimization */
   187 #define	__SNPT	0x0800		/* do not do fseek() optimization */
   188 #define	__SOFF	0x1000		/* set iff _offset is in fact correct */
   189 #define	__SMOD	0x2000		/* true => fgetln modified _p text */
   190 #define	__SALC	0x4000		/* allocate string space dynamically */
   191 #define	__SIGN	0x8000		/* ignore this file in _fwalk */
   192 
   193 /*
   194  * The following three definitions are for ANSI C, which took them
   195  * from System V, which brilliantly took internal interface macros and
   196  * made them official arguments to setvbuf(), without renaming them.
   197  * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
   198  *
   199  * Although numbered as their counterparts above, the implementation
   200  * does not rely on this.
   201  */
   202 #define	_IOFBF	0		/* setvbuf should set fully buffered */
   203 #define	_IOLBF	1		/* setvbuf should set line buffered */
   204 #define	_IONBF	2		/* setvbuf should set unbuffered */
   205 
   206 #define	BUFSIZ	1024		/* size of buffer used by setbuf */
   207 #define	EOF	(-1)
   208 
   209 /*
   210  * FOPEN_MAX is a minimum maximum, and is the number of streams that
   211  * stdio can provide without attempting to allocate further resources
   212  * (which could fail).  Do not use this for anything.
   213  */
   214 				/* must be == _POSIX_STREAM_MAX <limits.h> */
   215 #define	FOPEN_MAX	20	/* must be <= OPEN_MAX <sys/syslimits.h> */
   216 #ifndef __SYMBIAN32__
   217 #define	FILENAME_MAX	1024	/* must be <= PATH_MAX <sys/syslimits.h> */
   218 #else
   219 #define	FILENAME_MAX	256	/* must be <= PATH_MAX <sys/syslimits.h> */
   220 #endif /* __SYMBIAN32__ */
   221 
   222 /* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
   223 #if (defined(__SYMBIAN32__) && (defined(__WINSCW__) || defined(__WINS__)))
   224 #define GET_WSD_VAR_NAME(var,varprefix) 	_##varprefix##_##var
   225 char **GET_WSD_VAR_NAME(tmpdirptr, g)();
   226 #define __tmpdirptr (*GET_WSD_VAR_NAME(tmpdirptr, g)())
   227 #else
   228 extern char* __tmpdirptr;
   229 #endif 
   230 
   231 #if __XSI_VISIBLE
   232 #ifndef __SYMBIAN32__
   233 #define	P_tmpdir	"/var/tmp/"
   234 #else
   235 #define	P_tmpdir	(tmpdirname())
   236 #define WIDEP_tmpdir   (tmpdirname())
   237 #endif //__SYMBIAN32__
   238 #endif
   239 #ifndef __SYMBIAN32__
   240 #define	L_tmpnam	1024	/* XXX must be == PATH_MAX */
   241 #else
   242 #define	L_tmpnam	256	/* XXX must be == PATH_MAX */
   243 #endif /* __SYMBIAN32__ */
   244 #define	TMP_MAX		308915776
   245 
   246 #ifndef SEEK_SET
   247 #define	SEEK_SET	0	/* set file offset to offset */
   248 #endif
   249 #ifndef SEEK_CUR
   250 #define	SEEK_CUR	1	/* set file offset to current plus offset */
   251 #endif
   252 #ifndef SEEK_END
   253 #define	SEEK_END	2	/* set file offset to EOF plus offset */
   254 #endif
   255 
   256 #if (defined(__SYMBIAN32__) && (defined(__WINSCW__) || defined(__WINS__)))
   257 
   258 #define GET_WSD_VAR_NAME(var,varprefix) 	_##varprefix##_##var
   259 
   260 FILE **GET_WSD_VAR_NAME(__stdinp, g)();
   261 FILE **GET_WSD_VAR_NAME(__stdoutp, g)();
   262 FILE **GET_WSD_VAR_NAME(__stderrp, g)();
   263 
   264 #define __stdinp   (*GET_WSD_VAR_NAME(__stdinp, g)())
   265 #define __stdoutp (*GET_WSD_VAR_NAME(__stdoutp, g)())
   266 #define __stderrp (*GET_WSD_VAR_NAME(__stderrp, g)())
   267 #endif //EMULATOR
   268 
   269 #ifndef __SYMBIAN32__
   270 #define	stdin	__stdinp
   271 #define	stdout	__stdoutp
   272 #define	stderr	__stderrp
   273 #else
   274 __BEGIN_DECLS
   275 IMPORT_C FILE *__stdin  (void);
   276 IMPORT_C FILE *__stdout (void);
   277 IMPORT_C FILE *__stderr (void);
   278 IMPORT_C char * tmpdirname(void);
   279 __END_DECLS
   280 #define stdin 	  (__stdin())
   281 #define stdout  (__stdout())
   282 #define stderr  (__stderr())
   283 #endif
   284 
   285 __BEGIN_DECLS
   286 /*
   287  * Functions defined in ANSI C standard.
   288  */
   289 IMPORT_C void	 clearerr(FILE *);
   290 IMPORT_C int	 fclose(FILE *);
   291 IMPORT_C int	 feof(FILE *);
   292 IMPORT_C int	 ferror(FILE *);
   293 IMPORT_C int	 fflush(FILE *);
   294 IMPORT_C int	 fgetc(FILE *);
   295 IMPORT_C int	 fgetpos(FILE * __restrict, fpos_t * __restrict);
   296 IMPORT_C char	*fgets(char * __restrict, int, FILE * __restrict);
   297 IMPORT_C FILE	*fopen(const char * __restrict, const char * __restrict);
   298 IMPORT_C int	 fprintf(FILE * __restrict, const char * __restrict, ...);
   299 IMPORT_C int	 fputc(int, FILE *);
   300 IMPORT_C int	 fputs(const char * __restrict, FILE * __restrict);
   301 IMPORT_C size_t	 fread(void * __restrict, size_t, size_t, FILE * __restrict);
   302 IMPORT_C FILE	*freopen(const char * __restrict, const char * __restrict, FILE * __restrict);
   303 IMPORT_C int	 fscanf(FILE * __restrict, const char * __restrict, ...);
   304 IMPORT_C int	 fseek(FILE *, long, int);
   305 IMPORT_C int	 fsetpos(FILE *, const fpos_t *);
   306 IMPORT_C long	 ftell(FILE *);
   307 IMPORT_C size_t	 fwrite(const void * __restrict, size_t, size_t, FILE * __restrict);
   308 IMPORT_C int	 getc(FILE *);
   309 IMPORT_C int	 getchar(void);
   310 IMPORT_C char	*gets(char *);
   311 IMPORT_C void	 perror(const char *);
   312 IMPORT_C int	 printf(const char * __restrict, ...);
   313 IMPORT_C int	 putc(int, FILE *);
   314 IMPORT_C int	 putchar(int);
   315 IMPORT_C int	 puts(const char *);
   316 IMPORT_C int	 remove(const char *);
   317 IMPORT_C int	 rename(const char *, const char *);
   318 IMPORT_C void	 rewind(FILE *);
   319 IMPORT_C int	 scanf(const char * __restrict, ...);
   320 IMPORT_C void	 setbuf(FILE * __restrict, char * __restrict);
   321 IMPORT_C int	 setvbuf(FILE * __restrict, char * __restrict, int, size_t);
   322 IMPORT_C int	 sprintf(char * __restrict, const char * __restrict, ...);
   323 IMPORT_C int	 sscanf(const char * __restrict, const char * __restrict, ...);
   324 IMPORT_C FILE	*tmpfile(void);
   325 IMPORT_C char	*tmpnam(char *);
   326 IMPORT_C int	 ungetc(int, FILE *);
   327 IMPORT_C int	 vfprintf(FILE * __restrict, const char * __restrict,
   328 	    va_list);
   329 IMPORT_C int	 vprintf(const char * __restrict, va_list);
   330 IMPORT_C int	 vsprintf(char * __restrict, const char * __restrict,
   331 	    va_list);
   332 
   333 #if __ISO_C_VISIBLE >= 1999
   334 IMPORT_C int	 snprintf(char * __restrict, size_t, const char * __restrict,
   335 	    ...) __printflike(3, 4);
   336 IMPORT_C int	 vfscanf(FILE * __restrict, const char * __restrict, va_list)
   337 	    __scanflike(2, 0);
   338 IMPORT_C int	 vscanf(const char * __restrict, va_list) __scanflike(1, 0);
   339 IMPORT_C int	 vsnprintf(char * __restrict, size_t, const char * __restrict,
   340 	    va_list) __printflike(3, 0);
   341 IMPORT_C int	 vsscanf(const char * __restrict, const char * __restrict, va_list)
   342 	    __scanflike(2, 0);
   343 #endif
   344 
   345 /*
   346  * Functions defined in all versions of POSIX 1003.1.
   347  */
   348 #if __BSD_VISIBLE || __POSIX_VISIBLE <= 199506
   349 /* size for cuserid(3); UT_NAMESIZE + 1, see <utmp.h> */
   350 #define	L_cuserid	17	/* legacy */
   351 #endif
   352 
   353 #if __POSIX_VISIBLE
   354 #ifndef __SYMBIAN32__
   355 #define	L_ctermid	1024	/* size for ctermid(3); PATH_MAX */
   356 #else
   357 #define	L_ctermid	256	   /* size for ctermid(3); PATH_MAX */
   358 #endif /* __SYMBIAN32__ */
   359 IMPORT_C FILE	*fdopen(int, const char *);
   360 IMPORT_C int	 fileno(FILE *);
   361 IMPORT_C int __sfileno(FILE* p);
   362 #endif /* __POSIX_VISIBLE */
   363 
   364 #if __POSIX_VISIBLE >= 199209
   365 IMPORT_C int  pclose(FILE *);
   366 IMPORT_C FILE	*popen(const char *, const char *);
   367 #endif
   368 
   369 #ifdef __SYMBIAN32__
   370 IMPORT_C int popen3(const char *file, const char *cmd, char** envp, int fds[3]);
   371 #endif
   372 
   373 #if __POSIX_VISIBLE >= 199506
   374 IMPORT_C int	 ftrylockfile(FILE *);
   375 IMPORT_C void	 flockfile(FILE *);
   376 IMPORT_C void	 funlockfile(FILE *);
   377 
   378 /*
   379  * These are normally used through macros as defined below, but POSIX
   380  * requires functions as well.
   381  */
   382 IMPORT_C int	 getc_unlocked(FILE *);
   383 IMPORT_C int	 getchar_unlocked(void);
   384 IMPORT_C int	 putc_unlocked(int, FILE *);
   385 IMPORT_C int	 putchar_unlocked(int);
   386 #endif
   387 
   388 #if __POSIX_VISIBLE >= 200112
   389 int	 fseeko(FILE *, __off_t, int);
   390 __off_t	 ftello(FILE *);
   391 #endif
   392 
   393 #if __BSD_VISIBLE || __XSI_VISIBLE > 0 && __XSI_VISIBLE < 600
   394 IMPORT_C int	 getw(FILE *);
   395 IMPORT_C int	 putw(int, FILE *);
   396 #endif /* BSD or X/Open before issue 6 */
   397 
   398 #if __XSI_VISIBLE
   399 IMPORT_C char	*tempnam(const char *, const char *);
   400 #endif
   401 
   402 /*
   403  * Routines that are purely local.
   404  */
   405 #if __BSD_VISIBLE
   406 IMPORT_C int	 asprintf(char **, const char *, ...) __printflike(2, 3);
   407 #if __GNUC__ == 2 && __GNUC_MINOR__ >= 7 || __GNUC__ >= 3
   408 #define	__ATTR_FORMAT_ARG	__attribute__((__format_arg__(2)))
   409 #else
   410 #define	__ATTR_FORMAT_ARG
   411 #endif
   412 IMPORT_C void	 setbuffer(FILE *, char *, int);
   413 IMPORT_C int	 setlinebuf(FILE *);
   414 IMPORT_C int	 vasprintf(char **, const char *, va_list)
   415 	    __printflike(2, 0);
   416 
   417 #ifndef __SYMBIAN32__
   418 /*
   419  * The system error table contains messages for the first sys_nerr
   420  * positive errno values.  Use strerror() or strerror_r() from <string.h>
   421  * instead.
   422  */
   423 
   424 /* Provide the declarations for `sys_errlist' and `sys_nerr' if they
   425  * are available on this system.  Even if available, these variables
   426  * should not be used directly.  The `strerror' function provides
   427  * all the necessary functionality.
   428  */
   429  
   430 extern __const int sys_nerr;
   431 extern __const char *__const sys_errlist[];
   432 #endif /* __SYMBIAN32__ */
   433 
   434 /*
   435  * Portability hacks.  See <sys/types.h>.
   436  */
   437 #ifndef _FTRUNCATE_DECLARED
   438 #define	_FTRUNCATE_DECLARED
   439 IMPORT_C int	 ftruncate(int, __off_t);
   440 #endif
   441 #ifndef _LSEEK_DECLARED
   442 #define	_LSEEK_DECLARED
   443 IMPORT_C __off_t	 lseek(int, __off_t, int);
   444 #endif
   445 #ifndef _MMAP_DECLARED
   446 #define	_MMAP_DECLARED
   447 IMPORT_C void	*mmap(void *, size_t, int, int, int, __off_t);
   448 #endif
   449 #ifndef _TRUNCATE_DECLARED
   450 #define	_TRUNCATE_DECLARED
   451 IMPORT_C int	 truncate(const char *, __off_t);
   452 #endif
   453 #endif /* __BSD_VISIBLE */
   454 
   455 #ifdef __SYMBIAN32__
   456 IMPORT_C int setecho(int fd, uint8_t echoval);
   457 #endif
   458 
   459 /*
   460  * Functions internal to the implementation.
   461  */
   462 #ifdef __SYMBIAN32__
   463 IMPORT_C int	__srget(FILE *);
   464 IMPORT_C int	__swbuf(int, FILE *);
   465 #else
   466 int	__srget(FILE *);
   467 int	__swbuf(int, FILE *);
   468 #endif /*__SYMBIAN32__ */
   469 
   470 /*
   471  * The __sfoo macros are here so that we can
   472  * define function versions in the C library.
   473  */
   474 #define	__sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
   475 #if defined(__GNUC__) && defined(__STDC__)
   476 static __inline int __sputc(int _c, FILE *_p) {
   477 	if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
   478 		return (*_p->_p++ = _c);
   479 	else
   480 		return (__swbuf(_c, _p));
   481 }
   482 #else
   483 /*
   484  * This has been tuned to generate reasonable code on the vax using pcc.
   485  */
   486 #define	__sputc(c, p) \
   487 	(--(p)->_w < 0 ? \
   488 		(p)->_w >= (p)->_lbfsize ? \
   489 			(*(p)->_p = (c)), *(p)->_p != '\n' ? \
   490 				(int)*(p)->_p++ : \
   491 				__swbuf('\n', p) : \
   492 			__swbuf((int)(c), p) : \
   493 		(*(p)->_p = (c), (int)*(p)->_p++))
   494 #endif
   495 
   496 #define	__sfeof(p)	(((p)->_flags & __SEOF) != 0)
   497 #define	__sferror(p)	(((p)->_flags & __SERR) != 0)
   498 #define	__sclearerr(p)	((void)((p)->_flags &= ~(__SERR|__SEOF)))
   499 
   500 #ifndef __SYMBIAN32__
   501 extern int __isthreaded;
   502 
   503 #define	feof(p)		(!__isthreaded ? __sfeof(p) : (feof)(p))
   504 #define	ferror(p)	(!__isthreaded ? __sferror(p) : (ferror)(p))
   505 #define	clearerr(p)	(!__isthreaded ? __sclearerr(p) : (clearerr)(p))
   506 
   507 #if __POSIX_VISIBLE
   508 #define	fileno(p)	(!__isthreaded ? __sfileno(p) : (fileno)(p))
   509 #endif
   510 
   511 #define	getc(fp)	(!__isthreaded ? __sgetc(fp) : (getc)(fp))
   512 #define	putc(x, fp)	(!__isthreaded ? __sputc(x, fp) : (putc)(x, fp))
   513 
   514 #define	getchar()	getc(stdin)
   515 #define	putchar(x)	putc(x, stdout)
   516 
   517 #else
   518 IMPORT_C int* isthreaded(void);
   519 #define	__isthreaded	(*isthreaded())
   520 
   521 #define	feof(p)		(!__isthreaded ? __sfeof(p) : (feof)(p))
   522 #define	ferror(p)	(!__isthreaded ? __sferror(p) : (ferror)(p))
   523 #define	clearerr(p)	(!__isthreaded ? __sclearerr(p) : (clearerr)(p))
   524 
   525 #if __POSIX_VISIBLE
   526 #define	fileno(p)	(!__isthreaded ? __sfileno(p) : (fileno)(p))
   527 #endif
   528 
   529 #define	getc(fp)	(!__isthreaded ? __sgetc(fp) : (getc)(fp))
   530 #define	putc(x, fp)	(!__isthreaded ? __sputc(x, fp) : (putc)(x, fp))
   531 
   532 #define	getchar()	getc(stdin)
   533 #define	putchar(x)	putc(x, stdout)
   534 #endif //__SYMBIAN32__
   535 
   536 
   537 #if __POSIX_VISIBLE >= 199506
   538 #ifndef __SYMBIAN32__
   539 #define	getc_unlocked(fp)	__sgetc(fp)
   540 #define	putc_unlocked(x, fp)	__sputc(x, fp)
   541 
   542 #define	getchar_unlocked()	getc_unlocked(stdin)
   543 #define	putchar_unlocked(x)	putc_unlocked(x, stdout)
   544 #endif
   545 #endif
   546 
   547 //---
   548 #ifdef __cplusplus
   549 }
   550 #endif
   551 //---
   552 
   553 __END_DECLS
   554 #endif /* !_STDIO_H_ */