+/*
+ Copyright (C) 1991,1994-2002,2003,2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-#ifndef __STDIO_H
-#define __STDIO_H
+ 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.
-#include <features.h>
-#include <sys/types.h>
+ 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.
-#ifndef SEEK_SET
-#define SEEK_SET 0
-#define SEEK_CUR 1
-#define SEEK_END 2
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/*
+ * ISO C99 Standard: 7.19 Input/output <stdio.h>
+ */
+
+#ifndef _STDIO_H
+
+#if !defined __need_FILE && !defined __need___FILE
+# define _STDIO_H 1
+# include <features.h>
+
+__BEGIN_DECLS
+
+# define __need_size_t
+# define __need_NULL
+# include <stddef.h>
+
+# include <bits/types.h>
+# define __need_FILE
+# define __need___FILE
+#endif /* Don't need FILE. */
+
+
+#if !defined __FILE_defined && defined __need_FILE
+
+__BEGIN_NAMESPACE_STD
+/* The opaque type of streams. This is the definition used elsewhere. */
+typedef struct __STDIO_FILE_STRUCT FILE;
+__END_NAMESPACE_STD
+#if defined __USE_LARGEFILE64 || defined __USE_SVID || defined __USE_POSIX \
+ || defined __USE_BSD || defined __USE_ISOC99 || defined __USE_XOPEN \
+ || defined __USE_POSIX2
+__USING_NAMESPACE_STD(FILE)
+#endif
+
+# define __FILE_defined 1
+#endif /* FILE not defined. */
+#undef __need_FILE
+
+
+#if !defined ____FILE_defined && defined __need___FILE
+
+/* The opaque type of streams. This is the definition used elsewhere. */
+typedef struct __STDIO_FILE_STRUCT __FILE;
+
+# define ____FILE_defined 1
+#endif /* __FILE not defined. */
+#undef __need___FILE
+
+
+#ifdef _STDIO_H
+#undef _STDIO_USES_IOSTREAM
+
+#include <bits/uClibc_stdio.h>
+
+/* This define avoids name pollution if we're using GNU stdarg.h */
+# define __need___va_list
+#include <stdarg.h>
+
+/* The type of the second argument to `fgetpos' and `fsetpos'. */
+__BEGIN_NAMESPACE_STD
+#ifndef __USE_FILE_OFFSET64
+typedef __STDIO_fpos_t fpos_t;
+#else
+typedef __STDIO_fpos64_t fpos_t;
+#endif
+__END_NAMESPACE_STD
+#ifdef __USE_LARGEFILE64
+typedef __STDIO_fpos64_t fpos64_t;
+#endif
+
+/* The possibilities for the third argument to `setvbuf'. */
+#define _IOFBF __STDIO_IOFBF /* Fully buffered. */
+#define _IOLBF __STDIO_IOLBF /* Line buffered. */
+#define _IONBF __STDIO_IONBF /* No buffering. */
+
+
+/* Default buffer size. */
+#ifndef BUFSIZ
+# define BUFSIZ __STDIO_BUFSIZ
+#endif
+
+
+/* End of file character.
+ Some things throughout the library rely on this being -1. */
+#ifndef EOF
+# define EOF (-1)
+#endif
+
+
+/* The possibilities for the third argument to `fseek'.
+ These values should not be changed. */
+#define SEEK_SET 0 /* Seek from beginning of file. */
+#define SEEK_CUR 1 /* Seek from current position. */
+#define SEEK_END 2 /* Seek from end of file. */
+
+
+#if defined __USE_SVID || defined __USE_XOPEN
+/* Default path prefix for `mkstemp'. */
+# define P_tmpdir "/tmp"
+#endif
+
+
+/* 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. */
+#include <bits/stdio_lim.h>
+
+
+/* Standard streams. */
+extern FILE *stdin; /* Standard input stream. */
+extern FILE *stdout; /* Standard output stream. */
+extern FILE *stderr; /* Standard error output stream. */
+/* C89/C99 say they're macros. Make them happy. */
+#define stdin stdin
+#define stdout stdout
+#define stderr stderr
+
+__BEGIN_NAMESPACE_STD
+/* Remove file FILENAME. */
+extern int remove (const char *__filename) __THROW;
+libc_hidden_proto(remove)
+/* Rename file OLD to NEW. */
+extern int rename (const char *__old, const char *__new) __THROW;
+__END_NAMESPACE_STD
+
+#ifdef __USE_ATFILE
+/* 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;
+libc_hidden_proto(renameat)
+#endif
+
+__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. */
+#ifndef __USE_FILE_OFFSET64
+extern FILE *tmpfile (void) __wur;
+#else
+# ifdef __REDIRECT
+extern FILE *__REDIRECT (tmpfile, (void), tmpfile64) __wur;
+# else
+# define tmpfile tmpfile64
+# endif
+#endif
+
+#ifdef __USE_LARGEFILE64
+extern FILE *tmpfile64 (void) __wur;
+#endif
+
+#ifdef __UCLIBC_SUSV4_LEGACY__
+/* Generate a temporary filename. */
+extern char *tmpnam (char *__s) __THROW __wur;
+#endif
+__END_NAMESPACE_STD
+
+#if defined __USE_MISC && defined __UCLIBC_SUSV4_LEGACY__
+/* 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 __wur;
+#endif
+
+
+#if (defined __USE_SVID || defined __USE_XOPEN) && defined __UCLIBC_SUSV4_LEGACY__
+/* 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__ __wur;
+#endif
+
+
+__BEGIN_NAMESPACE_STD
+/* Close STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fclose (FILE *__stream);
+libc_hidden_proto(fclose)
+/* 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);
+libc_hidden_proto(fflush)
+__END_NAMESPACE_STD
+
+#ifdef __USE_MISC
+/* 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);
+libc_hidden_proto(fflush_unlocked)
+#endif
+
+#ifdef __USE_GNU
+/* 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);
+#endif
+
+
+__BEGIN_NAMESPACE_STD
+#ifndef __USE_FILE_OFFSET64
+/* 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) __wur;
+libc_hidden_proto(fopen)
+/* 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) __wur;
+#else
+# ifdef __REDIRECT
+extern FILE *__REDIRECT (fopen, (const char *__restrict __filename,
+ const char *__restrict __modes), fopen64)
+ __wur;
+extern FILE *__REDIRECT (freopen, (const char *__restrict __filename,
+ const char *__restrict __modes,
+ FILE *__restrict __stream), freopen64)
+ __wur;
+# else
+# define fopen fopen64
+# define freopen freopen64
+# endif
+#endif
+__END_NAMESPACE_STD
+#ifdef __USE_LARGEFILE64
+extern FILE *fopen64 (const char *__restrict __filename,
+ const char *__restrict __modes) __wur;
+libc_hidden_proto(fopen64)
+extern FILE *freopen64 (const char *__restrict __filename,
+ const char *__restrict __modes,
+ FILE *__restrict __stream) __wur;
+#endif
+
+#ifdef __USE_POSIX
+/* Create a new stream that refers to an existing system file descriptor. */
+extern FILE *fdopen (int __fd, const char *__modes) __THROW __wur;
+libc_hidden_proto(fdopen)
+#endif
+
+#ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__
+#ifdef __USE_GNU
+/* 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 __wur;
+libc_hidden_proto(fopencookie)
+#endif
+
+#ifdef __USE_XOPEN2K8
+/* Create a new stream that refers to a memory buffer. */
+extern FILE *fmemopen (void *__s, size_t __len, const char *__modes)
+ __THROW __wur;
+
+/* 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 __wur;
+libc_hidden_proto(open_memstream)
#endif
+#endif
+
+
+__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;
+libc_hidden_proto(setvbuf)
+__END_NAMESPACE_STD
+
+#ifdef __USE_BSD
+/* 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;
+#endif
+
+
+__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, ...);
+libc_hidden_proto(fprintf)
+/* 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, ...);
+libc_hidden_proto(printf)
+/* Write formatted output to S. */
+extern int sprintf (char *__restrict __s,
+ const char *__restrict __format, ...)
+ __THROW __attribute__ ((__format__ (__printf__, 2, 3)));
+libc_hidden_proto(sprintf)
+
+/* 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,
+ __gnuc_va_list __arg);
+libc_hidden_proto(vfprintf)
+/* 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, __gnuc_va_list __arg);
+/* Write formatted output to S from argument list ARG. */
+extern int vsprintf (char *__restrict __s, const char *__restrict __format,
+ __gnuc_va_list __arg)
+ __THROW __attribute__ ((__format__ (__printf__, 2, 0)));
+__END_NAMESPACE_STD
+
+#if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98
+__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)));
+libc_hidden_proto(snprintf)
+
+extern int vsnprintf (char *__restrict __s, size_t __maxlen,
+ const char *__restrict __format, __gnuc_va_list __arg)
+ __THROW __attribute__ ((__format__ (__printf__, 3, 0)));
+libc_hidden_proto(vsnprintf)
+__END_NAMESPACE_C99
+#endif
+
+#ifdef __USE_GNU
+/* 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,
+ __gnuc_va_list __arg)
+ __THROW __attribute__ ((__format__ (__printf__, 2, 0))) __wur;
+libc_hidden_proto(vasprintf)
+#if 0 /* uClibc: disabled */
+extern int __asprintf (char **__restrict __ptr,
+ const char *__restrict __fmt, ...)
+ __THROW __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
+#endif
+extern int asprintf (char **__restrict __ptr,
+ const char *__restrict __fmt, ...)
+ __THROW __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
+libc_hidden_proto(asprintf)
+#endif
+
+#ifdef __USE_XOPEN2K8
+/* 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,
+ __gnuc_va_list __arg)
+ __attribute__ ((__format__ (__printf__, 2, 0)));
+libc_hidden_proto(vdprintf)
+extern int dprintf (int __fd, const char *__restrict __fmt, ...)
+ __attribute__ ((__format__ (__printf__, 2, 3)));
+#endif
+
+
+__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, ...)
+ __attribute__ ((__format__ (__scanf__, 2, 3))) __wur;
+libc_hidden_proto(fscanf)
+/* 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, ...)
+ __attribute__ ((__format__ (__scanf__, 1, 2))) __wur;
+/* Read formatted input from S. */
+extern int sscanf (const char *__restrict __s,
+ const char *__restrict __format, ...)
+ __THROW __attribute__ ((__format__ (__scanf__, 2, 3)));
+libc_hidden_proto(sscanf)
+__END_NAMESPACE_STD
+
+#ifdef __USE_ISOC99
+__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,
+ __gnuc_va_list __arg)
+ __attribute__ ((__format__ (__scanf__, 2, 0))) __wur;
+libc_hidden_proto(vfscanf)
+
+/* 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, __gnuc_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, __gnuc_va_list __arg)
+ __THROW __attribute__ ((__format__ (__scanf__, 2, 0)));
+libc_hidden_proto(vsscanf)
+__END_NAMESPACE_C99
+#endif /* Use ISO C9x. */
+
+
+__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);
+libc_hidden_proto(fgetc)
+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. */
+#define getc(_fp) __GETC(_fp)
+
+#if defined __USE_POSIX || defined __USE_MISC
+/* 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);
+libc_hidden_proto(getc_unlocked)
+extern int getchar_unlocked (void);
+libc_hidden_proto(getchar_unlocked)
+#endif /* Use POSIX or MISC. */
+
+#ifdef __USE_MISC
+/* 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);
+libc_hidden_proto(fgetc_unlocked)
+#endif /* Use MISC. */
+
+
+__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);
+libc_hidden_proto(fputc)
+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. */
+#define putc(_ch, _fp) __PUTC(_ch, _fp)
+
+#ifdef __USE_MISC
+/* 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);
+#endif /* Use MISC. */
+
+#if defined __USE_POSIX || defined __USE_MISC
+/* 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);
+#endif /* Use POSIX or MISC. */
+
+
+#if defined __USE_SVID || defined __USE_MISC \
+ || (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);
+#endif
+
+
+__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;
+libc_hidden_proto(fgets)
+
+/* 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
+
+#ifdef __USE_GNU
+/* 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;
+libc_hidden_proto(fgets_unlocked)
+#endif
+
+
+#ifdef __USE_XOPEN2K8
+/* 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. */
+#if 0 /* uClibc: disabled */
+extern __ssize_t __getdelim (char **__restrict __lineptr,
+ size_t *__restrict __n, int __delimiter,
+ FILE *__restrict __stream) __wur;
+#endif
+extern __ssize_t getdelim (char **__restrict __lineptr,
+ size_t *__restrict __n, int __delimiter,
+ FILE *__restrict __stream) __wur;
+libc_hidden_proto(getdelim)
+
+/* 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 __ssize_t getline (char **__restrict __lineptr,
+ size_t *__restrict __n,
+ FILE *__restrict __stream) __wur;
+libc_hidden_proto(getline)
+#endif
+
+
+__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);
+libc_hidden_proto(fputs)
+
+/* 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);
+
-#define _IOFBF 0x00 /* full buffering */
-#define _IOLBF 0x01 /* line buffering */
-#define _IONBF 0x02 /* no buffering */
-#define __MODE_BUF 0x03 /* Modal buffering dependent on isatty */
+/* Push a character back onto the input buffer of STREAM.
-#define __MODE_FREEBUF 0x04 /* Buffer allocated with malloc, can free */
-#define __MODE_FREEFIL 0x08 /* FILE allocated with malloc, can free */
+ This function is a possible cancellation points and therefore not
+ marked with __THROW. */
+extern int ungetc (int __c, FILE *__stream);
+libc_hidden_proto(ungetc)
-#define __MODE_READ 0x10 /* Opened in read only */
-#define __MODE_WRITE 0x20 /* Opened in write only */
-#define __MODE_RDWR 0x30 /* Opened in read/write */
-#define __MODE_READING 0x40 /* Buffer has pending read data */
-#define __MODE_WRITING 0x80 /* Buffer has pending write data */
+/* Read chunks of generic data from STREAM.
-#define __MODE_EOF 0x100 /* EOF status */
-#define __MODE_ERR 0x200 /* Error status */
-#define __MODE_UNGOT 0x400 /* Buffer has been polluted by ungetc */
+ 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;
+libc_hidden_proto(fread)
+/* Write chunks of generic data to STREAM.
-#define __MODE_IOTRAN 0
+ 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;
+libc_hidden_proto(fwrite)
+__END_NAMESPACE_STD
-/* when you add or change fields here, be sure to change the initialization
- * in stdio_init and fopen */
-struct __stdio_file {
- unsigned char *bufpos; /* the next byte to write to or read from */
- unsigned char *bufread; /* the end of data returned by last read() */
- unsigned char *bufwrite; /* highest address writable by macro */
- unsigned char *bufstart; /* the start of the buffer */
- unsigned char *bufend; /* the end of the buffer; ie the byte after the last
- malloc()ed byte */
+#ifdef __USE_GNU
+/* 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);
+libc_hidden_proto(fputs_unlocked)
+#endif
+
+#ifdef __USE_MISC
+/* 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;
+libc_hidden_proto(fread_unlocked)
+extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __stream) __wur;
+libc_hidden_proto(fwrite_unlocked)
+#endif
+
+
+__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);
+libc_hidden_proto(fseek)
+/* 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;
+libc_hidden_proto(ftell)
+/* Rewind to the beginning of STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void rewind (FILE *__stream);
+libc_hidden_proto(rewind)
+__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. */
+
+#if defined __USE_LARGEFILE || defined __USE_XOPEN2K
+# ifndef __USE_FILE_OFFSET64
+/* 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;
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (fseeko,
+ (FILE *__stream, __off64_t __off, int __whence),
+ fseeko64);
+extern __off64_t __REDIRECT (ftello, (FILE *__stream), ftello64);
+# else
+# define fseeko fseeko64
+# define ftello ftello64
+# endif
+# endif
+#endif
+
+__BEGIN_NAMESPACE_STD
+#ifndef __USE_FILE_OFFSET64
+/* 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);
+#else
+# ifdef __REDIRECT
+extern int __REDIRECT (fgetpos, (FILE *__restrict __stream,
+ fpos_t *__restrict __pos), fgetpos64);
+extern int __REDIRECT (fsetpos,
+ (FILE *__stream, const fpos_t *__pos), fsetpos64);
+# else
+# define fgetpos fgetpos64
+# define fsetpos fsetpos64
+# endif
+#endif
+__END_NAMESPACE_STD
+
+#ifdef __USE_LARGEFILE64
+extern int fseeko64 (FILE *__stream, __off64_t __off, int __whence);
+libc_hidden_proto(fseeko64)
+extern __off64_t ftello64 (FILE *__stream) __wur;
+libc_hidden_proto(ftello64)
+extern int fgetpos64 (FILE *__restrict __stream, fpos64_t *__restrict __pos);
+extern int fsetpos64 (FILE *__stream, const fpos64_t *__pos);
+#endif
+
+__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
+
+#ifdef __USE_MISC
+/* 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;
+#endif
+
+
+__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);
+libc_hidden_proto(perror)
+__END_NAMESPACE_STD
+
+#ifdef __UCLIBC_HAS_SYS_ERRLIST__
+/* These variables normally should not be used directly. The `strerror'
+ function provides all the needed functionality. */
+#ifdef __USE_BSD
+extern int sys_nerr;
+extern const char *const sys_errlist[];
+#endif
+#endif /* __UCLIBC_HAS_SYS_ERRLIST__ */
- int fd; /* the file descriptor associated with the stream */
- int mode;
- char unbuf[8]; /* The buffer for 'unbuffered' streams */
+#ifdef __USE_POSIX
+/* Return the system file descriptor for STREAM. */
+extern int fileno (FILE *__stream) __THROW __wur;
+libc_hidden_proto(fileno)
+#endif /* Use POSIX. */
- struct __stdio_file * next;
-};
+#ifdef __USE_MISC
+/* Faster version when locking is not required. */
+extern int fileno_unlocked (FILE *__stream) __THROW __wur;
+libc_hidden_proto(fileno_unlocked)
+#endif
+
+
+#if (defined __USE_POSIX2 || defined __USE_SVID || defined __USE_BSD || \
+ 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.
-#define EOF (-1)
-#ifndef NULL
-#define NULL (0)
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int pclose (FILE *__stream);
#endif
-typedef struct __stdio_file FILE;
-#define BUFSIZ (500) /*(508) should get us a fully used kmalloc bucket */
+#ifdef __USE_POSIX
+/* Return the name of the controlling terminal. */
+extern char *ctermid (char *__s) __THROW;
+#endif /* Use POSIX. */
-extern FILE stdin[1];
-extern FILE stdout[1];
-extern FILE stderr[1];
+#ifdef __USE_XOPEN
+/* Return the name of the current user. */
+extern char *cuserid (char *__s);
+#endif /* Use X/Open, but not issue 6. */
-#define putc(c, stream) \
- (((stream)->bufpos >= (stream)->bufwrite) ? fputc((c), (stream)) \
- : (unsigned char) (*(stream)->bufpos++ = (c)) )
-#define getc(stream) \
- (((stream)->bufpos >= (stream)->bufread) ? fgetc(stream): \
- (*(stream)->bufpos++))
+#if defined __USE_GNU && defined __UCLIBC_HAS_OBSTACK__
+struct obstack; /* See <obstack.h>. */
-#define putchar(c) putc((c), stdout)
-#define getchar() getc(stdin)
+/* 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,
+ __gnuc_va_list __args)
+ __THROW __attribute__ ((__format__ (__printf__, 2, 0)));
+libc_hidden_proto(obstack_vprintf)
+#endif /* USE_GNU && UCLIBC_HAS_OBSTACK. */
-#define ferror(fp) (((fp)->mode&__MODE_ERR) != 0)
-#define feof(fp) (((fp)->mode&__MODE_EOF) != 0)
-#define clearerr(fp) ((fp)->mode &= ~(__MODE_EOF|__MODE_ERR),0)
-#define fileno(fp) ((fp)->fd)
-/* These two call malloc */
-#define setlinebuf(__fp) setvbuf((__fp), (char*)0, _IOLBF, 0)
-extern int setvbuf __P((FILE*, char*, int, size_t));
+#if defined __USE_POSIX || defined __USE_MISC
+/* These are defined in POSIX.1:1996. */
-/* These don't */
-#define setbuf(__fp, __buf) setbuffer((__fp), (__buf), BUFSIZ)
-extern void setbuffer __P((FILE*, char*, int));
+/* Acquire ownership of STREAM. */
+extern void flockfile (FILE *__stream) __THROW;
-extern int fgetc __P((FILE*));
-extern int fputc __P((int, FILE*));
+/* Try to acquire ownership of STREAM but do not block if it is not
+ possible. */
+extern int ftrylockfile (FILE *__stream) __THROW __wur;
-extern int fclose __P((FILE*));
-extern int fflush __P((FILE*));
-extern char *fgets __P((char*, size_t, FILE*));
-extern FILE *__fopen __P((char*, int, FILE*, char*));
+/* Relinquish the ownership granted for STREAM. */
+extern void funlockfile (FILE *__stream) __THROW;
+#endif /* POSIX || misc */
-#define fopen(__file, __mode) __fopen((__file), -1, (FILE*)0, (__mode))
-#define freopen(__file, __mode, __fp) __fopen((__file), -1, (__fp), (__mode))
-#define fdopen(__file, __mode) __fopen((char*)0, (__file), (FILE*)0, (__mode))
+#if defined __USE_XOPEN && !defined __USE_XOPEN2K && !defined __USE_GNU
+/* 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. */
+# define __need_getopt
+/* keep this on uClibc in bits/, we need it when GNU_GETOPT is disabled */
+# include <bits/getopt.h>
+#endif /* X/Open, but not issue 6 and not for GNU. */
-extern int fseek __P((FILE*, long, int));
-extern long ftell __P((FILE*));
-extern void rewind __P((FILE*));
+/* If we are compiling with optimizing read this file. It contains
+ several optimizing inline functions and macros. */
-extern int fputs __P((char*, FILE*));
-extern int puts __P((char*));
+#ifdef __UCLIBC__
-extern int printf __P ((__const char*, ...));
-extern int fprintf __P ((FILE*, __const char*, ...));
-extern int sprintf __P ((char*, __const char*, ...));
+#define fgetc(_fp) __FGETC(_fp)
+#define fputc(_ch, _fp) __FPUTC(_ch, _fp)
+
+#if defined __USE_POSIX || defined __USE_MISC
+/* SUSv3 allows getc_unlocked to be a macro */
+#define getc_unlocked(_fp) __GETC_UNLOCKED(_fp)
+/* SUSv3 allows putc_unlocked to be a macro */
+#define putc_unlocked(_ch, _fp) __PUTC_UNLOCKED(_ch, _fp)
+#endif
+
+#ifdef __USE_MISC
+#define fgetc_unlocked(_fp) __FGETC_UNLOCKED(_fp)
+#define fputc_unlocked(_ch, _fp) __FPUTC_UNLOCKED(_ch, _fp)
+#endif
+
+#define getchar() __GETC(__stdin)
+#define putchar(_ch) __PUTC((_ch), __stdout)
+
+#if defined __USE_POSIX || defined __USE_MISC
+#define getchar_unlocked() __GETC_UNLOCKED(__stdin)
+#define putchar_unlocked(_ch) __PUTC_UNLOCKED((_ch), __stdout)
+#endif
+
+/* Clear the error and EOF indicators for STREAM. */
+#define clearerr(_fp) __CLEARERR(_fp)
+#define feof(_fp) __FEOF(_fp)
+#define ferror(_fp) __FERROR(_fp)
+
+#ifdef __USE_MISC
+#define clearerr_unlocked(_fp) __CLEARERR_UNLOCKED(_fp)
+#define feof_unlocked(_fp) __FEOF_UNLOCKED(_fp)
+#define ferror_unlocked(_fp) __FERROR_UNLOCKED(_fp)
+#endif
+
+#endif
-extern int ungetc __P ((int c, FILE * stream));
+__END_DECLS
-#define stdio_pending(fp) ((fp)->bufread>(fp)->bufpos)
+#endif /* <stdio.h> included. */
-#endif /* __STDIO_H */
+#endif /* !_STDIO_H */
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