Stdio.h

/* Define ISO C stdio on top of C++ iostreams. Copyright (C) 1991,1994-2004,2005,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA. */ /* *	ISO C99 Standard: 7.19 Input/output	  */ __BEGIN_DECLS __BEGIN_NAMESPACE_STD /* The opaque type of streams. This is the definition used elsewhere. */ typedef struct _IO_FILE FILE; __END_NAMESPACE_STD || defined __USE_BSD || defined __USE_ISOC99 || defined __USE_XOPEN \ || defined __USE_POSIX2 __USING_NAMESPACE_STD(FILE) /* The opaque type of streams. This is the definition used elsewhere. */ typedef struct _IO_FILE __FILE; typedef _G_va_list va_list; /* The type of the second argument to `fgetpos' and `fsetpos'. */ __BEGIN_NAMESPACE_STD typedef _G_fpos_t fpos_t; typedef _G_fpos64_t fpos_t; __END_NAMESPACE_STD typedef _G_fpos64_t fpos64_t; /* The possibilities for the third argument to `setvbuf'. */ /* Default buffer size. */ /* End of file character. Some things throughout the library rely on this being -1. */ /* The possibilities for the third argument to `fseek'. These values should not be changed. */ /* Default path prefix for `tempnam' and `tmpnam'. */ /* Get the values: L_tmpnam	How long an array of chars must be to be passed to `tmpnam'. TMP_MAX	The minimum number of unique filenames generated by tmpnam (and tempnam when it uses tmpnam's name space), or tempnam (the two are separate). L_ctermid	How long an array to pass to `ctermid'. L_cuserid	How long an array to pass to `cuserid'. FOPEN_MAX	Minimum number of files that can be open at once. FILENAME_MAX	Maximum length of a filename. */ /* Standard streams. */ extern struct _IO_FILE *stdin;		/* Standard input stream. */ extern struct _IO_FILE *stdout;		/* Standard output stream. */ extern struct _IO_FILE *stderr;		/* Standard error output stream. */ /* C89/C99 say they're macros. Make them happy. */ __BEGIN_NAMESPACE_STD /* Remove file FILENAME. */ extern int remove (__const char *__filename) __THROW; /* Rename file OLD to NEW. */ extern int rename (__const char *__old, __const char *__new) __THROW; __END_NAMESPACE_STD /* Rename file OLD relative to OLDFD to NEW relative to NEWFD. */ extern int renameat (int __oldfd, __const char *__old, int __newfd, 		    __const char *__new) __THROW; __BEGIN_NAMESPACE_STD /* Create a temporary file and open it read/write. This function is a possible cancellation points and therefore not marked with __THROW. */ extern FILE *tmpfile (void); extern FILE *__REDIRECT (tmpfile, (void), tmpfile64); extern FILE *tmpfile64 (void); /* Generate a temporary filename. */ extern char *tmpnam (char *__s) __THROW; __END_NAMESPACE_STD /* This is the reentrant variant of `tmpnam'. The only difference is   that it does not allow S to be NULL. */ extern char *tmpnam_r (char *__s) __THROW; /* Generate a unique temporary filename using up to five characters of PFX if it is not NULL. The directory to put this file in is searched for as follows: First the environment variable "TMPDIR" is checked. If it contains the name of a writable directory, that directory is used. If not and if DIR is not NULL, that value is checked. If that fails, P_tmpdir is tried and finally "/tmp". The storage for the filename is allocated by `malloc'. */ extern char *tempnam (__const char *__dir, __const char *__pfx) __THROW __attribute_malloc__; __BEGIN_NAMESPACE_STD /* Close STREAM. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int fclose (FILE *__stream); /* Flush STREAM, or all streams if STREAM is NULL. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int fflush (FILE *__stream); __END_NAMESPACE_STD /* Faster versions when locking is not required. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation it is a cancellation point and therefore not marked with __THROW. */ extern int fflush_unlocked (FILE *__stream); /* Close all streams. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation it is a cancellation point and therefore not marked with __THROW. */ extern int fcloseall (void); __BEGIN_NAMESPACE_STD /* Open a file and create a new stream for it. This function is a possible cancellation point and therefore not marked with __THROW. */ extern FILE *fopen (__const char *__restrict __filename, 		   __const char *__restrict __modes); /* Open a file, replacing an existing stream with it. This function is a possible cancellation point and therefore not marked with __THROW. */ extern FILE *freopen (__const char *__restrict __filename, 		     __const char *__restrict __modes, 		      FILE *__restrict __stream); extern FILE *__REDIRECT (fopen, (__const char *__restrict __filename, __const char *__restrict __modes), fopen64); extern FILE *__REDIRECT (freopen, (__const char *__restrict __filename, __const char *__restrict __modes, FILE *__restrict __stream), freopen64); __END_NAMESPACE_STD extern FILE *fopen64 (__const char *__restrict __filename, 		     __const char *__restrict __modes); extern FILE *freopen64 (__const char *__restrict __filename, 			__const char *__restrict __modes, 			FILE *__restrict __stream); /* Create a new stream that refers to an existing system file descriptor. */ extern FILE *fdopen (int __fd, __const char *__modes) __THROW; /* Create a new stream that refers to the given magic cookie, and uses the given functions for input and output. */ extern FILE *fopencookie (void *__restrict __magic_cookie, 			 __const char *__restrict __modes, 			  _IO_cookie_io_functions_t __io_funcs) __THROW; /* Create a new stream that refers to a memory buffer. */ extern FILE *fmemopen (void *__s, size_t __len, __const char *__modes) __THROW; /* Open a stream that writes into a malloc'd buffer that is expanded as   necessary. *BUFLOC and *SIZELOC are updated with the buffer's location and the number of characters written on fflush or fclose. */ extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __THROW; __BEGIN_NAMESPACE_STD /* If BUF is NULL, make STREAM unbuffered. Else make it use buffer BUF, of size BUFSIZ. */ extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __THROW; /* Make STREAM use buffering mode MODE. If BUF is not NULL, use N bytes of it for buffering; else allocate an internal buffer N bytes long. */ extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf, 		   int __modes, size_t __n) __THROW; __END_NAMESPACE_STD /* If BUF is NULL, make STREAM unbuffered. Else make it use SIZE bytes of BUF for buffering. */ extern void setbuffer (FILE *__restrict __stream, char *__restrict __buf, 		      size_t __size) __THROW; /* Make STREAM line-buffered. */ extern void setlinebuf (FILE *__stream) __THROW; __BEGIN_NAMESPACE_STD /* Write formatted output to STREAM. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int fprintf (FILE *__restrict __stream, 		   __const char *__restrict __format, ...); /* Write formatted output to stdout. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int printf (__const char *__restrict __format, ...); /* Write formatted output to S. */ extern int sprintf (char *__restrict __s, 		   __const char *__restrict __format, ...) __THROW; /* Write formatted output to S from argument list ARG. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int vfprintf (FILE *__restrict __s, __const char *__restrict __format, 		    _G_va_list __arg); /* Write formatted output to stdout from argument list ARG. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int vprintf (__const char *__restrict __format, _G_va_list __arg); /* Write formatted output to S from argument list ARG. */ extern int vsprintf (char *__restrict __s, __const char *__restrict __format, 		    _G_va_list __arg) __THROW; __END_NAMESPACE_STD __BEGIN_NAMESPACE_C99 /* Maximum chars of output to write in MAXLEN. */ extern int snprintf (char *__restrict __s, size_t __maxlen, 		    __const char *__restrict __format, ...) __THROW __attribute__ ((__format__ (__printf__, 3, 4))); extern int vsnprintf (char *__restrict __s, size_t __maxlen, 		     __const char *__restrict __format, _G_va_list __arg) __THROW __attribute__ ((__format__ (__printf__, 3, 0))); __END_NAMESPACE_C99 /* Write formatted output to a string dynamically allocated with `malloc'. Store the address of the string in *PTR. */ extern int vasprintf (char **__restrict __ptr, __const char *__restrict __f, 		     _G_va_list __arg) __THROW __attribute__ ((__format__ (__printf__, 2, 0))); extern int __asprintf (char **__restrict __ptr, 		      __const char *__restrict __fmt, ...) __THROW __attribute__ ((__format__ (__printf__, 2, 3))); extern int asprintf (char **__restrict __ptr, 		    __const char *__restrict __fmt, ...) __THROW __attribute__ ((__format__ (__printf__, 2, 3))); /* Write formatted output to a file descriptor. These functions are not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation they are cancellation points and therefore not marked with __THROW. */ extern int vdprintf (int __fd, __const char *__restrict __fmt, 		    _G_va_list __arg) __attribute__ ((__format__ (__printf__, 2, 0))); extern int dprintf (int __fd, __const char *__restrict __fmt, ...) __attribute__ ((__format__ (__printf__, 2, 3))); __BEGIN_NAMESPACE_STD /* Read formatted input from STREAM. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int fscanf (FILE *__restrict __stream, 		  __const char *__restrict __format, ...) __wur; /* Read formatted input from stdin. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int scanf (__const char *__restrict __format, ...) __wur; /* Read formatted input from S. */ extern int sscanf (__const char *__restrict __s, 		  __const char *__restrict __format, ...) __THROW; __END_NAMESPACE_STD __BEGIN_NAMESPACE_C99 /* Read formatted input from S into argument list ARG. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int vfscanf (FILE *__restrict __s, __const char *__restrict __format, 		   _G_va_list __arg) __attribute__ ((__format__ (__scanf__, 2, 0))) __wur; /* Read formatted input from stdin into argument list ARG. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int vscanf (__const char *__restrict __format, _G_va_list __arg) __attribute__ ((__format__ (__scanf__, 1, 0))) __wur; /* Read formatted input from S into argument list ARG. */ extern int vsscanf (__const char *__restrict __s, 		   __const char *__restrict __format, _G_va_list __arg) __THROW __attribute__ ((__format__ (__scanf__, 2, 0))); __END_NAMESPACE_C99 __BEGIN_NAMESPACE_STD /* Read a character from STREAM. These functions are possible cancellation points and therefore not marked with __THROW. */ extern int fgetc (FILE *__stream); extern int getc (FILE *__stream); /* Read a character from stdin. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int getchar (void); __END_NAMESPACE_STD /* The C standard explicitly says this is a macro, so we always do the optimization for it. */ /* These are defined in POSIX.1:1996. These functions are possible cancellation points and therefore not marked with __THROW. */ extern int getc_unlocked (FILE *__stream); extern int getchar_unlocked (void); /* Faster version when locking is not necessary. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation it is a cancellation point and therefore not marked with __THROW. */ extern int fgetc_unlocked (FILE *__stream); __BEGIN_NAMESPACE_STD /* Write a character to STREAM. These functions are possible cancellation points and therefore not marked with __THROW. These functions is a possible cancellation point and therefore not marked with __THROW. */ extern int fputc (int __c, FILE *__stream); extern int putc (int __c, FILE *__stream); /* Write a character to stdout. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int putchar (int __c); __END_NAMESPACE_STD /* The C standard explicitly says this can be a macro, so we always do the optimization for it. */ /* Faster version when locking is not necessary. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation it is a cancellation point and therefore not marked with __THROW. */ extern int fputc_unlocked (int __c, FILE *__stream); /* These are defined in POSIX.1:1996. These functions are possible cancellation points and therefore not marked with __THROW. */ extern int putc_unlocked (int __c, FILE *__stream); extern int putchar_unlocked (int __c); || (defined __USE_XOPEN && !defined __USE_XOPEN2K) /* Get a word (int) from STREAM. */ extern int getw (FILE *__stream); /* Write a word (int) to STREAM. */ extern int putw (int __w, FILE *__stream); __BEGIN_NAMESPACE_STD /* Get a newline-terminated string of finite length from STREAM. This function is a possible cancellation point and therefore not marked with __THROW. */ extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream) __wur; /* Get a newline-terminated string from stdin, removing the newline. DO NOT USE THIS FUNCTION!! There is no limit on how much it will read. This function is a possible cancellation point and therefore not marked with __THROW. */ extern char *gets (char *__s) __wur; __END_NAMESPACE_STD /* This function does the same as `fgets' but does not lock the stream. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation it is a cancellation point and therefore not marked with __THROW. */ extern char *fgets_unlocked (char *__restrict __s, int __n, 			    FILE *__restrict __stream) __wur; /* Read up to (and including) a DELIMITER from STREAM into *LINEPTR (and null-terminate it). *LINEPTR is a pointer returned from malloc (or   NULL), pointing to *N characters of space. It is realloc'd as   necessary. Returns the number of characters read (not including the   null terminator), or -1 on error or EOF. These functions are not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation they are cancellation points and therefore not marked with __THROW. */ extern _IO_ssize_t __getdelim (char **__restrict __lineptr, 			      size_t *__restrict __n, int __delimiter, 			       FILE *__restrict __stream) __wur; extern _IO_ssize_t getdelim (char **__restrict __lineptr, 			    size_t *__restrict __n, int __delimiter, 			     FILE *__restrict __stream) __wur; /* Like `getdelim', but reads up to a newline. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation it is a cancellation point and therefore not marked with __THROW. */ extern _IO_ssize_t getline (char **__restrict __lineptr, 			   size_t *__restrict __n, 			    FILE *__restrict __stream) __wur; __BEGIN_NAMESPACE_STD /* Write a string to STREAM. This function is a possible cancellation points and therefore not marked with __THROW. */ extern int fputs (__const char *__restrict __s, FILE *__restrict __stream); /* Write a string, followed by a newline, to stdout. This function is a possible cancellation points and therefore not marked with __THROW. */ extern int puts (__const char *__s); /* Push a character back onto the input buffer of STREAM. This function is a possible cancellation points and therefore not marked with __THROW. */ extern int ungetc (int __c, FILE *__stream); /* Read chunks of generic data from STREAM. This function is a possible cancellation points and therefore not marked with __THROW. */ extern size_t fread (void *__restrict __ptr, size_t __size, 		    size_t __n, FILE *__restrict __stream) __wur; /* Write chunks of generic data to STREAM. This function is a possible cancellation points and therefore not marked with __THROW. */ extern size_t fwrite (__const void *__restrict __ptr, size_t __size, 		     size_t __n, FILE *__restrict __s) __wur; __END_NAMESPACE_STD /* This function does the same as `fputs' but does not lock the stream. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation it is a cancellation point and therefore not marked with __THROW. */ extern int fputs_unlocked (__const char *__restrict __s, 			  FILE *__restrict __stream); /* Faster versions when locking is not necessary. These functions are not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation they are cancellation points and therefore not marked with __THROW. */ extern size_t fread_unlocked (void *__restrict __ptr, size_t __size, 			     size_t __n, FILE *__restrict __stream) __wur; extern size_t fwrite_unlocked (__const void *__restrict __ptr, size_t __size, 			      size_t __n, FILE *__restrict __stream) __wur; __BEGIN_NAMESPACE_STD /* Seek to a certain position on STREAM. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int fseek (FILE *__stream, long int __off, int __whence); /* Return the current position of STREAM. This function is a possible cancellation point and therefore not marked with __THROW. */ extern long int ftell (FILE *__stream) __wur; /* Rewind to the beginning of STREAM. This function is a possible cancellation point and therefore not marked with __THROW. */ extern void rewind (FILE *__stream); __END_NAMESPACE_STD /* The Single Unix Specification, Version 2, specifies an alternative, more adequate interface for the two functions above which deal with file offset. `long int' is not the right type. These definitions are originally defined in the Large File Support API. */ /* Seek to a certain position on STREAM. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int fseeko (FILE *__stream, __off_t __off, int __whence); /* Return the current position of STREAM. This function is a possible cancellation point and therefore not marked with __THROW. */ extern __off_t ftello (FILE *__stream) __wur; extern int __REDIRECT (fseeko, 		      (FILE *__stream, __off64_t __off, int __whence), 		       fseeko64); extern __off64_t __REDIRECT (ftello, (FILE *__stream), ftello64); __BEGIN_NAMESPACE_STD /* Get STREAM's position. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos); /* Set STREAM's position. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int fsetpos (FILE *__stream, __const fpos_t *__pos); extern int __REDIRECT (fgetpos, (FILE *__restrict __stream, fpos_t *__restrict __pos), fgetpos64); extern int __REDIRECT (fsetpos, 		      (FILE *__stream, __const fpos_t *__pos), fsetpos64); __END_NAMESPACE_STD extern int fseeko64 (FILE *__stream, __off64_t __off, int __whence); extern __off64_t ftello64 (FILE *__stream) __wur; extern int fgetpos64 (FILE *__restrict __stream, fpos64_t *__restrict __pos); extern int fsetpos64 (FILE *__stream, __const fpos64_t *__pos); __BEGIN_NAMESPACE_STD /* Clear the error and EOF indicators for STREAM. */ extern void clearerr (FILE *__stream) __THROW; /* Return the EOF indicator for STREAM. */ extern int feof (FILE *__stream) __THROW __wur; /* Return the error indicator for STREAM. */ extern int ferror (FILE *__stream) __THROW __wur; __END_NAMESPACE_STD /* Faster versions when locking is not required. */ extern void clearerr_unlocked (FILE *__stream) __THROW; extern int feof_unlocked (FILE *__stream) __THROW __wur; extern int ferror_unlocked (FILE *__stream) __THROW __wur; __BEGIN_NAMESPACE_STD /* Print a message describing the meaning of the value of errno. This function is a possible cancellation point and therefore not marked with __THROW. */ extern void perror (__const char *__s); __END_NAMESPACE_STD /* Provide the declarations for `sys_errlist' and `sys_nerr' if they are available on this system. Even if available, these variables should not be used directly. The `strerror' function provides all the necessary functionality. */ /* Return the system file descriptor for STREAM. */ extern int fileno (FILE *__stream) __THROW __wur; /* Faster version when locking is not required. */ extern int fileno_unlocked (FILE *__stream) __THROW __wur; defined __USE_MISC) /* Create a new stream connected to a pipe running the given command.   This function is a possible cancellation point and therefore not    marked with __THROW.  */ extern FILE *popen (__const char *__command, __const char *__modes) __wur; /* Close a stream opened by popen and return the status of its child.    This function is a possible cancellation point and therefore not    marked with __THROW.  */ extern int pclose (FILE *__stream); /* Return the name of the controlling terminal.  */ extern char *ctermid (char *__s) __THROW; /* Return the name of the current user.  */ extern char *cuserid (char *__s); struct obstack;			/* See .  */ /* Write formatted output to an obstack.  */ extern int obstack_printf (struct obstack *__restrict __obstack, __const char *__restrict __format, ...)     __THROW __attribute__ ((__format__ (__printf__, 2, 3))); extern int obstack_vprintf (struct obstack *__restrict __obstack, __const char *__restrict __format, _G_va_list __args)     __THROW __attribute__ ((__format__ (__printf__, 2, 0))); /* These are defined in POSIX.1:1996.  */ /* Acquire ownership of STREAM.  */ extern void flockfile (FILE *__stream) __THROW; /* Try to acquire ownership of STREAM but do not block if it is not    possible.  */ extern int ftrylockfile (FILE *__stream) __THROW __wur; /* Relinquish the ownership granted for STREAM.  */ extern void funlockfile (FILE *__stream) __THROW; /* The X/Open standard requires some functions and variables to be    declared here which do not belong into this header.  But we have to    follow.  In GNU mode we don't do this nonsense.  */ /* If we are compiling with optimizing read this file.  It contains    several optimizing inline functions and macros.  */ __END_DECLS
 * 1) ifndef _STDIO_H
 * 1) if !defined __need_FILE && !defined __need___FILE
 * 2) define _STDIO_H	1
 * 3) include 
 * 1) define __need_size_t
 * 2) define __need_NULL
 * 3) include 
 * 1) include 
 * 2) define __need_FILE
 * 3) define __need___FILE
 * 4) endif /* Don't need FILE. */
 * 1) if !defined __FILE_defined && defined __need_FILE
 * 1) if defined __USE_LARGEFILE64 || defined __USE_SVID || defined __USE_POSIX \
 * 1) endif
 * 1) define __FILE_defined	1
 * 2) endif /* FILE not defined. */
 * 3) undef	__need_FILE
 * 1) if !defined ____FILE_defined && defined __need___FILE
 * 1) define ____FILE_defined	1
 * 2) endif /* __FILE not defined. */
 * 3) undef	__need___FILE
 * 1) ifdef	_STDIO_H
 * 2) define _STDIO_USES_IOSTREAM
 * 1) include 
 * 1) ifdef __USE_XOPEN
 * 2) ifdef __GNUC__
 * 3)  ifndef _VA_LIST_DEFINED
 * 1)   define _VA_LIST_DEFINED
 * 2)  endif
 * 3) else
 * 4)  include 
 * 5) endif
 * 6) endif
 * 1) ifndef __USE_FILE_OFFSET64
 * 1) else
 * 1) endif
 * 1) ifdef __USE_LARGEFILE64
 * 1) endif
 * 1) define _IOFBF 0 		/* Fully buffered. */
 * 2) define _IOLBF 1		/* Line buffered. */
 * 3) define _IONBF 2		/* No buffering. */
 * 1) ifndef BUFSIZ
 * 2) define BUFSIZ _IO_BUFSIZ
 * 3) endif
 * 1) ifndef EOF
 * 2) define EOF (-1)
 * 3) endif
 * 1) define SEEK_SET	0	/* Seek from beginning of file. */
 * 2) define SEEK_CUR	1	/* Seek from current position. */
 * 3) define SEEK_END	2	/* Seek from end of file. */
 * 1) if defined __USE_SVID || defined __USE_XOPEN
 * 1) define P_tmpdir	"/tmp"
 * 2) endif
 * 1) include 
 * 1) ifdef __STDC__
 * 1) define stdin stdin
 * 2) define stdout stdout
 * 3) define stderr stderr
 * 4) endif
 * 1) ifdef __USE_ATFILE
 * 1) endif
 * 1) ifndef __USE_FILE_OFFSET64
 * 1) else
 * 2) ifdef __REDIRECT
 * 1) else
 * 2)  define tmpfile tmpfile64
 * 3) endif
 * 4) endif
 * 1) ifdef __USE_LARGEFILE64
 * 1) endif
 * 1) ifdef __USE_MISC
 * 1) endif
 * 1) if defined __USE_SVID || defined __USE_XOPEN
 * 1) endif
 * 1) ifdef __USE_MISC
 * 1) endif
 * 1) ifdef __USE_GNU
 * 1) endif
 * 1) ifndef __USE_FILE_OFFSET64
 * 1) else
 * 2) ifdef __REDIRECT
 * 1) else
 * 2)  define fopen fopen64
 * 3)  define freopen freopen64
 * 4) endif
 * 5) endif
 * 1) ifdef __USE_LARGEFILE64
 * 1) endif
 * 1) ifdef	__USE_POSIX
 * 1) endif
 * 1) ifdef	__USE_GNU
 * 1) endif
 * 1) ifdef	__USE_BSD
 * 1) endif
 * 1) if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98
 * 1) endif
 * 1) ifdef __USE_GNU
 * 1) endif
 * 1) ifdef	__USE_ISOC99
 * 1) endif /* Use ISO C9x. */
 * 1) define getc(_fp) _IO_getc (_fp)
 * 1) if defined __USE_POSIX || defined __USE_MISC
 * 1) endif /* Use POSIX or MISC. */
 * 1) ifdef __USE_MISC
 * 1) endif /* Use MISC. */
 * 1) define putc(_ch, _fp) _IO_putc (_ch, _fp)
 * 1) ifdef __USE_MISC
 * 1) endif /* Use MISC. */
 * 1) if defined __USE_POSIX || defined __USE_MISC
 * 1) endif /* Use POSIX or MISC. */
 * 1) if defined __USE_SVID || defined __USE_MISC \
 * 1) endif
 * 1) ifdef __USE_GNU
 * 1) endif
 * 1) ifdef	__USE_GNU
 * 1) endif
 * 1) ifdef __USE_GNU
 * 1) endif
 * 1) ifdef __USE_MISC
 * 1) endif
 * 1) if defined __USE_LARGEFILE || defined __USE_XOPEN2K
 * 2) ifndef __USE_FILE_OFFSET64
 * 1) else
 * 2)  ifdef __REDIRECT
 * 1)  else
 * 2)   define fseeko fseeko64
 * 3)   define ftello ftello64
 * 4)  endif
 * 5) endif
 * 6) endif
 * 1) ifndef __USE_FILE_OFFSET64
 * 1) else
 * 2) ifdef __REDIRECT
 * 1) else
 * 2)  define fgetpos fgetpos64
 * 3)  define fsetpos fsetpos64
 * 4) endif
 * 5) endif
 * 1) ifdef __USE_LARGEFILE64
 * 1) endif
 * 1) ifdef __USE_MISC
 * 1) endif
 * 1) include 
 * 1) ifdef	__USE_POSIX
 * 1) endif /* Use POSIX. */
 * 1) ifdef __USE_MISC
 * 1) endif
 * 1) if (defined __USE_POSIX2 || defined __USE_SVID || defined __USE_BSD || \
 * 1) endif
 * 1) ifdef	__USE_POSIX
 * 1) endif /* Use POSIX. */
 * 1) ifdef __USE_XOPEN
 * 1) endif /* Use X/Open, but not issue 6. */
 * 1) ifdef	__USE_GNU
 * 1) endif /* Use GNU. */
 * 1) if defined __USE_POSIX || defined __USE_MISC
 * 1) endif /* POSIX || misc */
 * 1) if defined __USE_XOPEN && !defined __USE_XOPEN2K && !defined __USE_GNU
 * 1) define __need_getopt
 * 2) include 
 * 3) endif	/* X/Open, but not issue 6 and not for GNU. */
 * 1) ifdef __USE_EXTERN_INLINES
 * 2) include 
 * 3) endif
 * 4) if __USE_FORTIFY_LEVEL > 0 && !defined __cplusplus
 * 5) include 
 * 6) endif
 * 7) ifdef __LDBL_COMPAT
 * 8) include 
 * 9) endif
 * 1) endif /*  included. */
 * 1) endif /* !_STDIO_H */