usr/src/head/stdio.h - illumos-gate - Gitiles

 /*
  * CDDL HEADER START
  *
  * The contents of this file are subject to the terms of the
  * Common Development and Distribution License (the "License").
  * You may not use this file except in compliance with the License.
  *
  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  * or http://www.opensolaris.org/os/licensing.
  * See the License for the specific language governing permissions
  * and limitations under the License.
  *
  * When distributing Covered Code, include this CDDL HEADER in each
  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  * If applicable, add the following below this CDDL HEADER, with the
  * fields enclosed by brackets "[]" replaced with your own identifying
  * information: Portions Copyright [yyyy] [name of copyright owner]
  *
  * CDDL HEADER END
  */

 /*
  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  */

 /*	Copyright (c) 1988 AT&T	*/
 /*	  All Rights Reserved	*/

 /*
  * User-visible pieces of the ANSI C standard I/O package.
  */

 #ifndef _STDIO_H
 #define	_STDIO_H

 #include <sys/feature_tests.h>

 #ifdef	__cplusplus
 extern "C" {
 #endif

 /*
  * Do all of our 'redefine_extname' processing before
  * declarations of the associated functions are seen.
  * This is necessary to keep gcc happy.
  */
 #if defined(__PRAGMA_REDEFINE_EXTNAME)

 /* large file compilation environment setup */
 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
 #pragma redefine_extname	fopen		fopen64
 #pragma redefine_extname	freopen		freopen64
 #pragma redefine_extname	tmpfile		tmpfile64
 #pragma redefine_extname	fgetpos		fgetpos64
 #pragma redefine_extname	fsetpos		fsetpos64
 #if defined(_LARGEFILE_SOURCE)
 #pragma redefine_extname	fseeko		fseeko64
 #pragma redefine_extname	ftello		ftello64
 #endif	/* _LARGEFILE_SOURCE */
 #endif	/* !defined(_LP64) && _FILE_OFFSET_BITS == 64 */

 /* In the LP64 compilation environment, all APIs are already large file */
 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
 #pragma redefine_extname	fopen64		fopen
 #pragma redefine_extname	freopen64	freopen
 #pragma redefine_extname	tmpfile64	tmpfile
 #pragma redefine_extname	fgetpos64	fgetpos
 #pragma redefine_extname	fsetpos64	fsetpos
 #if defined(_LARGEFILE_SOURCE)
 #pragma redefine_extname	fseeko64	fseeko
 #pragma redefine_extname	ftello64	ftello
 #endif	/* _LARGEFILE_SOURCE */
 #endif	/* defined(_LP64) && defined(_LARGEFILE64_SOURCE) */

 #endif	/* __PRAGMA_REDEFINE_EXTNAME */

 #ifdef	__cplusplus
 }
 #endif

 #include <iso/stdio_iso.h>

 /*
  * If feature test macros are set that enable interfaces that use types
  * defined in <sys/types.h>, get those types by doing the include.
  *
  * Note that in asking for the interfaces associated with this feature test
  * macro one also asks for definitions of the POSIX types.
  */

 /*
  * Allow global visibility for symbols defined in
  * C++ "std" namespace in <iso/stdio_iso.h>.
  */
 #if __cplusplus >= 199711L
 using std::FILE;
 using std::size_t;
 using std::fpos_t;
 using std::remove;
 using std::rename;
 using std::tmpfile;
 using std::tmpnam;
 using std::fclose;
 using std::fflush;
 using std::fopen;
 using std::freopen;
 using std::setbuf;
 using std::setvbuf;
 using std::fprintf;
 using std::fscanf;
 using std::printf;
 using std::scanf;
 using std::sprintf;
 using std::sscanf;
 using std::vfprintf;
 using std::vprintf;
 using std::vsprintf;
 using std::fgetc;
 using std::fgets;
 using std::fputc;
 using std::fputs;
 using std::getc;
 using std::getchar;
 using std::gets;
 using std::putc;
 using std::putchar;
 using std::puts;
 using std::ungetc;
 using std::fread;
 using std::fwrite;
 using std::fgetpos;
 using std::fseek;
 using std::fsetpos;
 using std::ftell;
 using std::rewind;
 using std::clearerr;
 using std::feof;
 using std::ferror;
 using std::perror;
 #ifndef	_LP64
 using std::__filbuf;
 using std::__flsbuf;
 #endif	/* _LP64 */
 #endif	/*  __cplusplus >= 199711L */

 /*
  * This header needs to be included here because it relies on the global
  * visibility of FILE and size_t in the C++ environment.
  */
 #include <iso/stdio_c99.h>

 #ifdef	__cplusplus
 extern "C" {
 #endif

 #if defined(_LARGEFILE_SOURCE) || defined(_XPG5)
 #ifndef	_OFF_T
 #define	_OFF_T
 #if defined(_LP64) || _FILE_OFFSET_BITS == 32
 typedef long		off_t;
 #else
 typedef __longlong_t	off_t;
 #endif
 #ifdef	_LARGEFILE64_SOURCE
 #ifdef _LP64
 typedef	off_t		off64_t;
 #else
 typedef __longlong_t	off64_t;
 #endif
 #endif /* _LARGEFILE64_SOURCE */
 #endif /* _OFF_T */
 #endif /* _LARGEFILE_SOURCE */

 #ifdef _LARGEFILE64_SOURCE
 #ifdef _LP64
 typedef fpos_t		fpos64_t;
 #else
 typedef __longlong_t	fpos64_t;
 #endif
 #endif /* _LARGEFILE64_SOURCE */

 /*
  * XPG4 requires that va_list be defined in <stdio.h> "as described in
  * <stdarg.h>".  ANSI-C and POSIX require that the namespace of <stdio.h>
  * not be polluted with this name.
  */
 #if defined(_XPG4) && !defined(_VA_LIST)
 #define	_VA_LIST
 typedef	__va_list va_list;
 #endif	/* defined(_XPG4 && !defined(_VA_LIST) */

 #if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \
 		defined(__XOPEN_OR_POSIX)

 #define	L_ctermid	9

 /* Marked LEGACY in SUSv2 and removed in SUSv3 */
 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 #define	L_cuserid	9
 #endif

 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */

 #if defined(__EXTENSIONS__) || \
 	(!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) || \
 	defined(_XOPEN_SOURCE)

 #define	P_tmpdir	"/var/tmp/"
 #endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) ... */

 #ifndef _STDIO_ALLOCATE
 extern unsigned char	 _sibuf[], _sobuf[];
 #endif

 /* large file compilation environment setup */
 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
 #if !defined(__PRAGMA_REDEFINE_EXTNAME)
 extern FILE	*fopen64(const char *, const char *);
 extern FILE	*freopen64(const char *, const char *, FILE *);
 extern FILE	*tmpfile64(void);
 extern int	fgetpos64(FILE *, fpos_t *);
 extern int	fsetpos64(FILE *, const fpos_t *);
 #define	fopen			fopen64
 #define	freopen			freopen64
 #define	tmpfile			tmpfile64
 #define	fgetpos			fgetpos64
 #define	fsetpos			fsetpos64
 #ifdef	_LARGEFILE_SOURCE
 #define	fseeko			fseeko64
 #define	ftello			ftello64
 #endif
 #endif	/* !__PRAGMA_REDEFINE_EXTNAME */
 #endif	/* !_LP64 && _FILE_OFFSET_BITS == 64 */

 #ifndef _LP64
 extern unsigned char	*_bufendtab[];
 extern FILE		*_lastbuf;
 #endif

 /* In the LP64 compilation environment, all APIs are already large file */
 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
 #if !defined(__PRAGMA_REDEFINE_EXTNAME)
 #define	fopen64		fopen
 #define	freopen64	freopen
 #define	tmpfile64	tmpfile
 #define	fgetpos64	fgetpos
 #define	fsetpos64	fsetpos
 #ifdef	_LARGEFILE_SOURCE
 #define	fseeko64	fseeko
 #define	ftello64	ftello
 #endif
 #endif	/* !__PRAGMA_REDEFINE_EXTNAME */
 #endif	/* _LP64 && _LARGEFILE64_SOURCE */

 #ifndef	_SSIZE_T
 #define	_SSIZE_T
 #if defined(_LP64) || defined(_I32LPx)
 typedef long	ssize_t;	/* size of something in bytes or -1 */
 #else
 typedef int	ssize_t;	/* (historical version) */
 #endif
 #endif	/* !_SSIZE_T */

 #if defined(__EXTENSIONS__) || \
 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
 	defined(_REENTRANT)
 extern char	*tmpnam_r(char *);
 #endif

 #if defined(__EXTENSIONS__) || \
 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
 extern int fcloseall(void);
 extern void setbuffer(FILE *, char *, size_t);
 extern int setlinebuf(FILE *);
 /* PRINTFLIKE2 */
 extern int asprintf(char **, const char *, ...);
 /* PRINTFLIKE2 */
 extern int vasprintf(char **, const char *, __va_list);
 #endif

 #if defined(__EXTENSIONS__) || \
 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
 	/* || defined(_XPG7) */
 extern ssize_t getdelim(char **_RESTRICT_KYWD, size_t *_RESTRICT_KYWD,
 	int, FILE *_RESTRICT_KYWD);
 extern ssize_t getline(char **_RESTRICT_KYWD, size_t *_RESTRICT_KYWD,
 	FILE *_RESTRICT_KYWD);
 #endif	/* __EXTENSIONS__ ... */

 /*
  * The following are known to POSIX and XOPEN, but not to ANSI-C.
  */
 #if defined(__EXTENSIONS__) || \
 	!defined(_STRICT_STDC) || defined(__XOPEN_OR_POSIX)

 extern FILE	*fdopen(int, const char *);
 extern char	*ctermid(char *);
 extern int	fileno(FILE *);

 #endif	/* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */

 /*
  * The following are known to POSIX.1c, but not to ANSI-C or XOPEN.
  */
 #if defined(__EXTENSIONS__) || defined(_REENTRANT) || \
 	(_POSIX_C_SOURCE - 0 >= 199506L)
 extern void	flockfile(FILE *);
 extern int	ftrylockfile(FILE *);
 extern void	funlockfile(FILE *);
 extern int	getc_unlocked(FILE *);
 extern int	getchar_unlocked(void);
 extern int	putc_unlocked(int, FILE *);
 extern int	putchar_unlocked(int);

 #endif	/* defined(__EXTENSIONS__) || defined(_REENTRANT).. */

 /*
  * The following are known to XOPEN, but not to ANSI-C or POSIX.
  */
 #if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \
 	defined(_XOPEN_SOURCE)
 extern FILE	*popen(const char *, const char *);
 extern char	*tempnam(const char *, const char *);
 extern int	pclose(FILE *);
 #if !defined(_XOPEN_SOURCE)
 extern int	getsubopt(char **, char *const *, char **);
 #endif /* !defined(_XOPEN_SOURCE) */

 /* Marked LEGACY in SUSv2 and removed in SUSv3 */
 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 extern char	*cuserid(char *);
 extern int	getopt(int, char *const *, const char *);
 extern char	*optarg;
 extern int	optind, opterr, optopt;
 extern int	getw(FILE *);
 extern int	putw(int, FILE *);
 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */

 #endif	/* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */

 /*
  * The following are defined as part of the Large File Summit interfaces.
  */
 #if defined(_LARGEFILE_SOURCE) || defined(_XPG5)
 extern int	fseeko(FILE *, off_t, int);
 extern off_t	ftello(FILE *);
 #endif

 /*
  * The following are defined as part of the transitional Large File Summit
  * interfaces.
  */
 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
 	    !defined(__PRAGMA_REDEFINE_EXTNAME))
 extern FILE	*fopen64(const char *, const char *);
 extern FILE	*freopen64(const char *, const char *, FILE *);
 extern FILE	*tmpfile64(void);
 extern int	fgetpos64(FILE *, fpos64_t *);
 extern int	fsetpos64(FILE *, const fpos64_t *);
 extern int	fseeko64(FILE *, off64_t, int);
 extern off64_t	ftello64(FILE *);
 #endif

 #if !defined(__lint)

 #if defined(__EXTENSIONS__) || defined(_REENTRANT) || \
 	    (_POSIX_C_SOURCE - 0 >= 199506L)
 #ifndef	_LP64
 #define	getc_unlocked(p)	(--(p)->_cnt < 0 \
 					? __filbuf(p) \
 					: (int)*(p)->_ptr++)
 #define	putc_unlocked(x, p)	(--(p)->_cnt < 0 \
 					? __flsbuf((x), (p)) \
 					: (int)(*(p)->_ptr++ = \
 					(unsigned char) (x)))
 #endif	/* _LP64 */
 #define	getchar_unlocked()	getc_unlocked(stdin)
 #define	putchar_unlocked(x)	putc_unlocked((x), stdout)
 #endif	/* defined(__EXTENSIONS__) || defined(_REENTRANT).. */

 #endif	/* !defined(__lint) */

 #ifdef	__cplusplus
 }
 #endif

 #endif	/* _STDIO_H */
	/*
	* CDDL HEADER START
	*
	* The contents of this file are subject to the terms of the
	* Common Development and Distribution License (the "License").
	* You may not use this file except in compliance with the License.
	*
	* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
	* or http://www.opensolaris.org/os/licensing.
	* See the License for the specific language governing permissions
	* and limitations under the License.
	*
	* When distributing Covered Code, include this CDDL HEADER in each
	* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
	* If applicable, add the following below this CDDL HEADER, with the
	* fields enclosed by brackets "[]" replaced with your own identifying
	* information: Portions Copyright [yyyy] [name of copyright owner]
	*
	* CDDL HEADER END
	*/

	/*
	* Copyright 2014 Garrett D'Amore <garrett@damore.org>
	* Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
	*/

	/* Copyright (c) 1988 AT&T */
	/* All Rights Reserved */

	/*
	* User-visible pieces of the ANSI C standard I/O package.
	*/

	#ifndef _STDIO_H
	#define _STDIO_H

	#include <sys/feature_tests.h>

	#ifdef __cplusplus
	extern "C" {
	#endif

	/*
	* Do all of our 'redefine_extname' processing before
	* declarations of the associated functions are seen.
	* This is necessary to keep gcc happy.
	*/
	#if defined(__PRAGMA_REDEFINE_EXTNAME)

	/* large file compilation environment setup */
	#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
	#pragma redefine_extname fopen fopen64
	#pragma redefine_extname freopen freopen64
	#pragma redefine_extname tmpfile tmpfile64
	#pragma redefine_extname fgetpos fgetpos64
	#pragma redefine_extname fsetpos fsetpos64
	#if defined(_LARGEFILE_SOURCE)
	#pragma redefine_extname fseeko fseeko64
	#pragma redefine_extname ftello ftello64
	#endif /* _LARGEFILE_SOURCE */
	#endif /* !defined(_LP64) && _FILE_OFFSET_BITS == 64 */

	/* In the LP64 compilation environment, all APIs are already large file */
	#if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
	#pragma redefine_extname fopen64 fopen
	#pragma redefine_extname freopen64 freopen
	#pragma redefine_extname tmpfile64 tmpfile
	#pragma redefine_extname fgetpos64 fgetpos
	#pragma redefine_extname fsetpos64 fsetpos
	#if defined(_LARGEFILE_SOURCE)
	#pragma redefine_extname fseeko64 fseeko
	#pragma redefine_extname ftello64 ftello
	#endif /* _LARGEFILE_SOURCE */
	#endif /* defined(_LP64) && defined(_LARGEFILE64_SOURCE) */

	#endif /* __PRAGMA_REDEFINE_EXTNAME */

	#ifdef __cplusplus
	}
	#endif

	#include <iso/stdio_iso.h>

	/*
	* If feature test macros are set that enable interfaces that use types
	* defined in <sys/types.h>, get those types by doing the include.
	*
	* Note that in asking for the interfaces associated with this feature test
	* macro one also asks for definitions of the POSIX types.
	*/

	/*
	* Allow global visibility for symbols defined in
	* C++ "std" namespace in <iso/stdio_iso.h>.
	*/
	#if __cplusplus >= 199711L
	using std::FILE;
	using std::size_t;
	using std::fpos_t;
	using std::remove;
	using std::rename;
	using std::tmpfile;
	using std::tmpnam;
	using std::fclose;
	using std::fflush;
	using std::fopen;
	using std::freopen;
	using std::setbuf;
	using std::setvbuf;
	using std::fprintf;
	using std::fscanf;
	using std::printf;
	using std::scanf;
	using std::sprintf;
	using std::sscanf;
	using std::vfprintf;
	using std::vprintf;
	using std::vsprintf;
	using std::fgetc;
	using std::fgets;
	using std::fputc;
	using std::fputs;
	using std::getc;
	using std::getchar;
	using std::gets;
	using std::putc;
	using std::putchar;
	using std::puts;
	using std::ungetc;
	using std::fread;
	using std::fwrite;
	using std::fgetpos;
	using std::fseek;
	using std::fsetpos;
	using std::ftell;
	using std::rewind;
	using std::clearerr;
	using std::feof;
	using std::ferror;
	using std::perror;
	#ifndef _LP64
	using std::__filbuf;
	using std::__flsbuf;
	#endif /* _LP64 */
	#endif /* __cplusplus >= 199711L */

	/*
	* This header needs to be included here because it relies on the global
	* visibility of FILE and size_t in the C++ environment.
	*/
	#include <iso/stdio_c99.h>

	#ifdef __cplusplus
	extern "C" {
	#endif

	#if defined(_LARGEFILE_SOURCE) \|\| defined(_XPG5)
	#ifndef _OFF_T
	#define _OFF_T
	#if defined(_LP64) \|\| _FILE_OFFSET_BITS == 32
	typedef long off_t;
	#else
	typedef __longlong_t off_t;
	#endif
	#ifdef _LARGEFILE64_SOURCE
	#ifdef _LP64
	typedef off_t off64_t;
	#else
	typedef __longlong_t off64_t;
	#endif
	#endif /* _LARGEFILE64_SOURCE */
	#endif /* _OFF_T */
	#endif /* _LARGEFILE_SOURCE */

	#ifdef _LARGEFILE64_SOURCE
	#ifdef _LP64
	typedef fpos_t fpos64_t;
	#else
	typedef __longlong_t fpos64_t;
	#endif
	#endif /* _LARGEFILE64_SOURCE */

	/*
	* XPG4 requires that va_list be defined in <stdio.h> "as described in
	* <stdarg.h>". ANSI-C and POSIX require that the namespace of <stdio.h>
	* not be polluted with this name.
	*/
	#if defined(_XPG4) && !defined(_VA_LIST)
	#define _VA_LIST
	typedef __va_list va_list;
	#endif /* defined(_XPG4 && !defined(_VA_LIST) */

	#if defined(__EXTENSIONS__) \|\| !defined(_STRICT_STDC) \|\| \
	defined(__XOPEN_OR_POSIX)

	#define L_ctermid 9

	/* Marked LEGACY in SUSv2 and removed in SUSv3 */
	#if !defined(_XPG6) \|\| defined(__EXTENSIONS__)
	#define L_cuserid 9
	#endif

	#endif /* defined(__EXTENSIONS__) \|\| !defined(_STRICT_STDC) ... */

	#if defined(__EXTENSIONS__) \|\| \
	(!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) \|\| \
	defined(_XOPEN_SOURCE)

	#define P_tmpdir "/var/tmp/"
	#endif /* defined(__EXTENSIONS__) \|\| (!defined(_STRICT_STDC) ... */

	#ifndef _STDIO_ALLOCATE
	extern unsigned char _sibuf[], _sobuf[];
	#endif

	/* large file compilation environment setup */
	#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
	#if !defined(__PRAGMA_REDEFINE_EXTNAME)
	extern FILE fopen64(const char , const char *);
	extern FILE freopen64(const char , const char , FILE );
	extern FILE *tmpfile64(void);
	extern int fgetpos64(FILE , fpos_t );
	extern int fsetpos64(FILE , const fpos_t );
	#define fopen fopen64
	#define freopen freopen64
	#define tmpfile tmpfile64
	#define fgetpos fgetpos64
	#define fsetpos fsetpos64
	#ifdef _LARGEFILE_SOURCE
	#define fseeko fseeko64
	#define ftello ftello64
	#endif
	#endif /* !__PRAGMA_REDEFINE_EXTNAME */
	#endif /* !_LP64 && _FILE_OFFSET_BITS == 64 */

	#ifndef _LP64
	extern unsigned char *_bufendtab[];
	extern FILE *_lastbuf;
	#endif

	/* In the LP64 compilation environment, all APIs are already large file */
	#if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
	#if !defined(__PRAGMA_REDEFINE_EXTNAME)
	#define fopen64 fopen
	#define freopen64 freopen
	#define tmpfile64 tmpfile
	#define fgetpos64 fgetpos
	#define fsetpos64 fsetpos
	#ifdef _LARGEFILE_SOURCE
	#define fseeko64 fseeko
	#define ftello64 ftello
	#endif
	#endif /* !__PRAGMA_REDEFINE_EXTNAME */
	#endif /* _LP64 && _LARGEFILE64_SOURCE */

	#ifndef _SSIZE_T
	#define _SSIZE_T
	#if defined(_LP64) \|\| defined(_I32LPx)
	typedef long ssize_t; /* size of something in bytes or -1 */
	#else
	typedef int ssize_t; /* (historical version) */
	#endif
	#endif /* !_SSIZE_T */

	#if defined(__EXTENSIONS__) \|\| \
	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) \|\| \
	defined(_REENTRANT)
	extern char tmpnam_r(char );
	#endif

	#if defined(__EXTENSIONS__) \|\| \
	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
	extern int fcloseall(void);
	extern void setbuffer(FILE , char , size_t);
	extern int setlinebuf(FILE *);
	/* PRINTFLIKE2 */
	extern int asprintf(char *, const char , ...);
	/* PRINTFLIKE2 */
	extern int vasprintf(char *, const char , __va_list);
	#endif

	#if defined(__EXTENSIONS__) \|\| \
	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
	/* \|\| defined(_XPG7) */
	extern ssize_t getdelim(char *_RESTRICT_KYWD, size_t _RESTRICT_KYWD,
	int, FILE *_RESTRICT_KYWD);
	extern ssize_t getline(char *_RESTRICT_KYWD, size_t _RESTRICT_KYWD,
	FILE *_RESTRICT_KYWD);
	#endif /* __EXTENSIONS__ ... */

	/*
	* The following are known to POSIX and XOPEN, but not to ANSI-C.
	*/
	#if defined(__EXTENSIONS__) \|\| \
	!defined(_STRICT_STDC) \|\| defined(__XOPEN_OR_POSIX)

	extern FILE fdopen(int, const char );
	extern char ctermid(char );
	extern int fileno(FILE *);

	#endif /* defined(__EXTENSIONS__) \|\| !defined(_STRICT_STDC) ... */

	/*
	* The following are known to POSIX.1c, but not to ANSI-C or XOPEN.
	*/
	#if defined(__EXTENSIONS__) \|\| defined(_REENTRANT) \|\| \
	(_POSIX_C_SOURCE - 0 >= 199506L)
	extern void flockfile(FILE *);
	extern int ftrylockfile(FILE *);
	extern void funlockfile(FILE *);
	extern int getc_unlocked(FILE *);
	extern int getchar_unlocked(void);
	extern int putc_unlocked(int, FILE *);
	extern int putchar_unlocked(int);

	#endif /* defined(__EXTENSIONS__) \|\| defined(_REENTRANT).. */

	/*
	* The following are known to XOPEN, but not to ANSI-C or POSIX.
	*/
	#if defined(__EXTENSIONS__) \|\| !defined(_STRICT_STDC) \|\| \
	defined(_XOPEN_SOURCE)
	extern FILE popen(const char , const char *);
	extern char tempnam(const char , const char *);
	extern int pclose(FILE *);
	#if !defined(_XOPEN_SOURCE)
	extern int getsubopt(char *, char const , char *);
	#endif /* !defined(_XOPEN_SOURCE) */

	/* Marked LEGACY in SUSv2 and removed in SUSv3 */
	#if !defined(_XPG6) \|\| defined(__EXTENSIONS__)
	extern char cuserid(char );
	extern int getopt(int, char const , const char *);
	extern char *optarg;
	extern int optind, opterr, optopt;
	extern int getw(FILE *);
	extern int putw(int, FILE *);
	#endif /* !defined(_XPG6) \|\| defined(__EXTENSIONS__) */

	#endif /* defined(__EXTENSIONS__) \|\| !defined(_STRICT_STDC) ... */

	/*
	* The following are defined as part of the Large File Summit interfaces.
	*/
	#if defined(_LARGEFILE_SOURCE) \|\| defined(_XPG5)
	extern int fseeko(FILE *, off_t, int);
	extern off_t ftello(FILE *);
	#endif

	/*
	* The following are defined as part of the transitional Large File Summit
	* interfaces.
	*/
	#if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
	!defined(__PRAGMA_REDEFINE_EXTNAME))
	extern FILE fopen64(const char , const char *);
	extern FILE freopen64(const char , const char , FILE );
	extern FILE *tmpfile64(void);
	extern int fgetpos64(FILE , fpos64_t );
	extern int fsetpos64(FILE , const fpos64_t );
	extern int fseeko64(FILE *, off64_t, int);
	extern off64_t ftello64(FILE *);
	#endif

	#if !defined(__lint)

	#if defined(__EXTENSIONS__) \|\| defined(_REENTRANT) \|\| \
	(_POSIX_C_SOURCE - 0 >= 199506L)
	#ifndef _LP64
	#define getc_unlocked(p) (--(p)->_cnt < 0 \
	? __filbuf(p) \
	: (int)*(p)->_ptr++)
	#define putc_unlocked(x, p) (--(p)->_cnt < 0 \
	? __flsbuf((x), (p)) \
	: (int)(*(p)->_ptr++ = \
	(unsigned char) (x)))
	#endif /* _LP64 */
	#define getchar_unlocked() getc_unlocked(stdin)
	#define putchar_unlocked(x) putc_unlocked((x), stdout)
	#endif /* defined(__EXTENSIONS__) \|\| defined(_REENTRANT).. */

	#endif /* !defined(__lint) */

	#ifdef __cplusplus
	}
	#endif

	#endif /* _STDIO_H */