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Diffstat (limited to 'sysroot/usr/include/stdio.h')
| -rw-r--r-- | sysroot/usr/include/stdio.h | 916 |
1 files changed, 916 insertions, 0 deletions
diff --git a/sysroot/usr/include/stdio.h b/sysroot/usr/include/stdio.h new file mode 100644 index 0000000..47c6cb0 --- /dev/null +++ b/sysroot/usr/include/stdio.h @@ -0,0 +1,916 @@ +/* Define ISO C stdio on top of C++ iostreams. + Copyright (C) 1991,1994-2004,2005,2006,2007 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 <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 + +/* Define outside of namespace so the C++ is happy. */ +struct _IO_FILE; + +__BEGIN_NAMESPACE_STD +/* The opaque type of streams. This is the definition used elsewhere. */ +typedef struct _IO_FILE 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 _IO_FILE __FILE; + +# define ____FILE_defined 1 +#endif /* __FILE not defined. */ +#undef __need___FILE + + +#ifdef _STDIO_H +#define _STDIO_USES_IOSTREAM + +#include <libio.h> + +#ifdef __USE_XOPEN +# ifdef __GNUC__ +# ifndef _VA_LIST_DEFINED +typedef _G_va_list va_list; +# define _VA_LIST_DEFINED +# endif +# else +# include <stdarg.h> +# endif +#endif + +/* The type of the second argument to `fgetpos' and `fsetpos'. */ +__BEGIN_NAMESPACE_STD +#ifndef __USE_FILE_OFFSET64 +typedef _G_fpos_t fpos_t; +#else +typedef _G_fpos64_t fpos_t; +#endif +__END_NAMESPACE_STD +#ifdef __USE_LARGEFILE64 +typedef _G_fpos64_t fpos64_t; +#endif + +/* The possibilities for the third argument to `setvbuf'. */ +#define _IOFBF 0 /* Fully buffered. */ +#define _IOLBF 1 /* Line buffered. */ +#define _IONBF 2 /* No buffering. */ + + +/* Default buffer size. */ +#ifndef BUFSIZ +# define BUFSIZ _IO_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 `tempnam' and `tmpnam'. */ +# 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 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. */ +#define stdin stdin +#define stdout stdout +#define stderr stderr + +__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 + +#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; +#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 + +/* Generate a temporary filename. */ +extern char *tmpnam (char *__s) __THROW __wur; +__END_NAMESPACE_STD + +#ifdef __USE_MISC +/* 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 +/* 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); +/* 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 + +#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); +#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; +/* 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; +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; +#endif + +#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; + +/* 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; +#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; +__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, ...); +/* 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 + +#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))); + +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 +#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, + _G_va_list __arg) + __THROW __attribute__ ((__format__ (__printf__, 2, 0))) __wur; +extern int __asprintf (char **__restrict __ptr, + __const char *__restrict __fmt, ...) + __THROW __attribute__ ((__format__ (__printf__, 2, 3))) __wur; +extern int asprintf (char **__restrict __ptr, + __const char *__restrict __fmt, ...) + __THROW __attribute__ ((__format__ (__printf__, 2, 3))) __wur; + +/* 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))); +#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, ...) __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; + +#if defined __USE_ISOC99 && !defined __USE_GNU \ + && (!defined __LDBL_COMPAT || !defined __REDIRECT) \ + && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K) +# ifdef __REDIRECT +/* For strict ISO C99 or POSIX compliance disallow %as, %aS and %a[ + GNU extension which conflicts with valid %a followed by letter + s, S or [. */ +extern int __REDIRECT (fscanf, (FILE *__restrict __stream, + __const char *__restrict __format, ...), + __isoc99_fscanf) __wur; +extern int __REDIRECT (scanf, (__const char *__restrict __format, ...), + __isoc99_scanf) __wur; +extern int __REDIRECT (sscanf, (__const char *__restrict __s, + __const char *__restrict __format, ...), + __isoc99_sscanf) __THROW; +# else +extern int __isoc99_fscanf (FILE *__restrict __stream, + __const char *__restrict __format, ...) __wur; +extern int __isoc99_scanf (__const char *__restrict __format, ...) __wur; +extern int __isoc99_sscanf (__const char *__restrict __s, + __const char *__restrict __format, ...) __THROW; +# define fscanf __isoc99_fscanf +# define scanf __isoc99_scanf +# define sscanf __isoc99_sscanf +# endif +#endif + +__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, + _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))); + +# if !defined __USE_GNU \ + && (!defined __LDBL_COMPAT || !defined __REDIRECT) \ + && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K) +# ifdef __REDIRECT +/* For strict ISO C99 or POSIX compliance disallow %as, %aS and %a[ + GNU extension which conflicts with valid %a followed by letter + s, S or [. */ +extern int __REDIRECT (vfscanf, + (FILE *__restrict __s, + __const char *__restrict __format, _G_va_list __arg), + __isoc99_vfscanf) + __attribute__ ((__format__ (__scanf__, 2, 0))) __wur; +extern int __REDIRECT (vscanf, (__const char *__restrict __format, + _G_va_list __arg), __isoc99_vfscanf) + __attribute__ ((__format__ (__scanf__, 1, 0))) __wur; +extern int __REDIRECT (vsscanf, + (__const char *__restrict __s, + __const char *__restrict __format, _G_va_list __arg), + __isoc99_vsscanf) + __THROW __attribute__ ((__format__ (__scanf__, 2, 0))); +# else +extern int __isoc99_vfscanf (FILE *__restrict __s, + __const char *__restrict __format, + _G_va_list __arg) __wur; +extern int __isoc99_vscanf (__const char *__restrict __format, + _G_va_list __arg) __wur; +extern int __isoc99_vsscanf (__const char *__restrict __s, + __const char *__restrict __format, + _G_va_list __arg) __THROW; +# define vfscanf __isoc99_vfscanf +# define vscanf __isoc99_vsscanf +# define vsscanf __isoc99_vsscanf +# endif +# endif + +__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); +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) _IO_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); +extern int getchar_unlocked (void); +#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); +#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); +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) _IO_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; + +/* 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; +#endif + + +#ifdef __USE_GNU +/* 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; +#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); + +/* 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 + +#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); +#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; +extern size_t fwrite_unlocked (__const void *__restrict __ptr, size_t __size, + size_t __n, FILE *__restrict __stream) __wur; +#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); +/* 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. */ + +#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); +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); +#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); +__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. */ +#include <bits/sys_errlist.h> + + +#ifdef __USE_POSIX +/* Return the system file descriptor for STREAM. */ +extern int fileno (FILE *__stream) __THROW __wur; +#endif /* Use POSIX. */ + +#ifdef __USE_MISC +/* Faster version when locking is not required. */ +extern int fileno_unlocked (FILE *__stream) __THROW __wur; +#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. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern int pclose (FILE *__stream); +#endif + + +#ifdef __USE_POSIX +/* Return the name of the controlling terminal. */ +extern char *ctermid (char *__s) __THROW; +#endif /* Use POSIX. */ + + +#ifdef __USE_XOPEN +/* Return the name of the current user. */ +extern char *cuserid (char *__s); +#endif /* Use X/Open, but not issue 6. */ + + +#ifdef __USE_GNU +struct obstack; /* See <obstack.h>. */ + +/* 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))); +#endif /* Use GNU. */ + + +#if defined __USE_POSIX || defined __USE_MISC +/* 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; +#endif /* POSIX || misc */ + +#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 +# include <getopt.h> +#endif /* X/Open, but not issue 6 and not for GNU. */ + +/* If we are compiling with optimizing read this file. It contains + several optimizing inline functions and macros. */ +#ifdef __USE_EXTERN_INLINES +# include <bits/stdio.h> +#endif +#if __USE_FORTIFY_LEVEL > 0 && defined __extern_always_inline +# include <bits/stdio2.h> +#endif +#ifdef __LDBL_COMPAT +# include <bits/stdio-ldbl.h> +#endif + +__END_DECLS + +#endif /* <stdio.h> included. */ + +#endif /* !_STDIO_H */ |