newlib-cygwin/newlib/libc/include/stdio.h

810 lines
29 KiB
C

/*
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* and/or other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* @(#)stdio.h 5.3 (Berkeley) 3/15/86
*/
/*
* NB: to fit things in six character monocase externals, the
* stdio code uses the prefix `__s' for stdio objects, typically
* followed by a three-character attempt at a mnemonic.
*/
#ifndef _STDIO_H_
#define _STDIO_H_
#include "_ansi.h"
#define _FSTDIO /* ``function stdio'' */
#define __need_size_t
#define __need_NULL
#include <sys/cdefs.h>
#include <stddef.h>
/* typedef only __gnuc_va_list, used throughout the header */
#define __need___va_list
#include <stdarg.h>
/* typedef va_list only when required */
#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE
#ifdef __GNUC__
#ifndef _VA_LIST_DEFINED
typedef __gnuc_va_list va_list;
#define _VA_LIST_DEFINED
#endif
#else /* !__GNUC__ */
#include <stdarg.h>
#endif
#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */
/*
* <sys/reent.h> defines __FILE, _fpos_t.
* They must be defined there because struct _reent needs them (and we don't
* want reent.h to include this file.
*/
#include <sys/reent.h>
#include <sys/_types.h>
_BEGIN_STD_C
#if !defined(__FILE_defined)
typedef __FILE FILE;
# define __FILE_defined
#endif
typedef _fpos_t fpos_t;
#ifdef __LARGE64_FILES
typedef _fpos64_t fpos64_t;
#endif
#ifndef _OFF_T_DECLARED
typedef __off_t off_t;
#define _OFF_T_DECLARED
#endif
#ifndef _SSIZE_T_DECLARED
typedef _ssize_t ssize_t;
#define _SSIZE_T_DECLARED
#endif
#include <sys/stdio.h>
#define __SLBF 0x0001 /* line buffered */
#define __SNBF 0x0002 /* unbuffered */
#define __SRD 0x0004 /* OK to read */
#define __SWR 0x0008 /* OK to write */
/* RD and WR are never simultaneously asserted */
#define __SRW 0x0010 /* open for reading & writing */
#define __SEOF 0x0020 /* found EOF */
#define __SERR 0x0040 /* found error */
#define __SMBF 0x0080 /* _buf is from malloc */
#define __SAPP 0x0100 /* fdopen()ed in append mode - so must write to end */
#define __SSTR 0x0200 /* this is an sprintf/snprintf string */
#define __SOPT 0x0400 /* do fseek() optimisation */
#define __SNPT 0x0800 /* do not do fseek() optimisation */
#define __SOFF 0x1000 /* set iff _offset is in fact correct */
#define __SORD 0x2000 /* true => stream orientation (byte/wide) decided */
#if defined(__CYGWIN__)
# define __SCLE 0x4000 /* convert line endings CR/LF <-> NL */
#endif
#define __SL64 0x8000 /* is 64-bit offset large file */
/* _flags2 flags */
#define __SNLK 0x0001 /* stdio functions do not lock streams themselves */
#define __SWID 0x2000 /* true => stream orientation wide, false => byte, only valid if __SORD in _flags is true */
/*
* The following three definitions are for ANSI C, which took them
* from System V, which stupidly took internal interface macros and
* made them official arguments to setvbuf(), without renaming them.
* Hence, these ugly _IOxxx names are *supposed* to appear in user code.
*
* Although these happen to match their counterparts above, the
* implementation does not rely on that (so these could be renumbered).
*/
#define _IOFBF 0 /* setvbuf should set fully buffered */
#define _IOLBF 1 /* setvbuf should set line buffered */
#define _IONBF 2 /* setvbuf should set unbuffered */
#define EOF (-1)
#ifdef __BUFSIZ__
#define BUFSIZ __BUFSIZ__
#else
#define BUFSIZ 1024
#endif
#ifdef __FOPEN_MAX__
#define FOPEN_MAX __FOPEN_MAX__
#else
#define FOPEN_MAX 20
#endif
#ifdef __FILENAME_MAX__
#define FILENAME_MAX __FILENAME_MAX__
#else
#define FILENAME_MAX 1024
#endif
#ifdef __L_tmpnam__
#define L_tmpnam __L_tmpnam__
#else
#define L_tmpnam FILENAME_MAX
#endif
#if __BSD_VISIBLE || __XSI_VISIBLE
#define P_tmpdir "/tmp"
#endif
#ifndef SEEK_SET
#define SEEK_SET 0 /* set file offset to offset */
#endif
#ifndef SEEK_CUR
#define SEEK_CUR 1 /* set file offset to current plus offset */
#endif
#ifndef SEEK_END
#define SEEK_END 2 /* set file offset to EOF plus offset */
#endif
#define TMP_MAX 26
#define stdin _REENT_STDIN(_REENT)
#define stdout _REENT_STDOUT(_REENT)
#define stderr _REENT_STDERR(_REENT)
#define _stdin_r(x) _REENT_STDIN(x)
#define _stdout_r(x) _REENT_STDOUT(x)
#define _stderr_r(x) _REENT_STDERR(x)
/*
* Functions defined in ANSI C standard.
*/
#ifndef __VALIST
#ifdef __GNUC__
#define __VALIST __gnuc_va_list
#else
#define __VALIST char*
#endif
#endif
#if __POSIX_VISIBLE
char * ctermid (char *);
#endif
#if __GNU_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 600)
char * cuserid (char *);
#endif
FILE * tmpfile (void);
char * tmpnam (char *);
#if __BSD_VISIBLE || __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
char * tempnam (const char *, const char *) __malloc_like __result_use_check;
#endif
int fclose (FILE *);
int fflush (FILE *);
FILE * freopen (const char *__restrict, const char *__restrict, FILE *__restrict);
void setbuf (FILE *__restrict, char *__restrict);
int setvbuf (FILE *__restrict, char *__restrict, int, size_t);
int fprintf (FILE *__restrict, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 2, 3)));
int fscanf (FILE *__restrict, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__scanf__, 2, 3)));
int printf (const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 1, 2)));
int scanf (const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__scanf__, 1, 2)));
int sscanf (const char *__restrict, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__scanf__, 2, 3)));
int vfprintf (FILE *__restrict, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 2, 0)));
int vprintf (const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 1, 0)));
int vsprintf (char *__restrict, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 2, 0)));
int fgetc (FILE *);
char * fgets (char *__restrict, int, FILE *__restrict);
int fputc (int, FILE *);
int fputs (const char *__restrict, FILE *__restrict);
int getc (FILE *);
int getchar (void);
char * gets (char *);
int putc (int, FILE *);
int putchar (int);
int puts (const char *);
int ungetc (int, FILE *);
size_t fread (void *__restrict, size_t _size, size_t _n, FILE *__restrict);
size_t fwrite (const void *__restrict , size_t _size, size_t _n, FILE *);
#ifdef _LIBC
int fgetpos (FILE *, _fpos_t *);
#else
int fgetpos (FILE *__restrict, fpos_t *__restrict);
#endif
int fseek (FILE *, long, int);
#ifdef _LIBC
int fsetpos (FILE *, const _fpos_t *);
#else
int fsetpos (FILE *, const fpos_t *);
#endif
long ftell ( FILE *);
void rewind (FILE *);
void clearerr (FILE *);
int feof (FILE *);
int ferror (FILE *);
void perror (const char *);
#ifndef _REENT_ONLY
FILE * fopen (const char *__restrict _name, const char *__restrict _type);
int sprintf (char *__restrict, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 2, 3)));
int remove (const char *);
int rename (const char *, const char *);
#ifdef _LIBC
int _rename (const char *, const char *);
#endif
#endif
#if __LARGEFILE_VISIBLE || __POSIX_VISIBLE >= 200112
#ifdef _LIBC
int fseeko (FILE *, _off_t, int);
_off_t ftello (FILE *);
#else
int fseeko (FILE *, off_t, int);
off_t ftello (FILE *);
#endif
#endif
#if __GNU_VISIBLE
int fcloseall (void);
#endif
#ifndef _REENT_ONLY
#if __ISO_C_VISIBLE >= 1999
int snprintf (char *__restrict, size_t, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 3, 4)));
int vsnprintf (char *__restrict, size_t, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 3, 0)));
int vfscanf (FILE *__restrict, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__scanf__, 2, 0)));
int vscanf (const char *, __VALIST)
_ATTRIBUTE ((__format__ (__scanf__, 1, 0)));
int vsscanf (const char *__restrict, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__scanf__, 2, 0)));
#endif
#if __GNU_VISIBLE
int asprintf (char **__restrict, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 2, 3)));
int vasprintf (char **, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 2, 0)));
#endif
#if __MISC_VISIBLE /* Newlib-specific */
int asiprintf (char **, const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 2, 3)));
char * asniprintf (char *, size_t *, const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 3, 4)));
char * asnprintf (char *__restrict, size_t *__restrict, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 3, 4)));
#ifndef diprintf
int diprintf (int, const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 2, 3)));
#endif
int fiprintf (FILE *, const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 2, 3)));
int fiscanf (FILE *, const char *, ...)
_ATTRIBUTE ((__format__ (__scanf__, 2, 3)));
int iprintf (const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 1, 2)));
int iscanf (const char *, ...)
_ATTRIBUTE ((__format__ (__scanf__, 1, 2)));
int siprintf (char *, const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 2, 3)));
int siscanf (const char *, const char *, ...)
_ATTRIBUTE ((__format__ (__scanf__, 2, 3)));
int sniprintf (char *, size_t, const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 3, 4)));
int vasiprintf (char **, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 2, 0)));
char * vasniprintf (char *, size_t *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 3, 0)));
char * vasnprintf (char *, size_t *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 3, 0)));
int vdiprintf (int, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 2, 0)));
int vfiprintf (FILE *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 2, 0)));
int vfiscanf (FILE *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__scanf__, 2, 0)));
int viprintf (const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 1, 0)));
int viscanf (const char *, __VALIST)
_ATTRIBUTE ((__format__ (__scanf__, 1, 0)));
int vsiprintf (char *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 2, 0)));
int vsiscanf (const char *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__scanf__, 2, 0)));
int vsniprintf (char *, size_t, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 3, 0)));
#endif /* __MISC_VISIBLE */
#endif /* !_REENT_ONLY */
/*
* Routines in POSIX 1003.1:2001.
*/
#if __POSIX_VISIBLE
#ifndef _REENT_ONLY
FILE * fdopen (int, const char *);
#endif
int fileno (FILE *);
#endif
#if __MISC_VISIBLE || __POSIX_VISIBLE >= 199209
int pclose (FILE *);
FILE * popen (const char *, const char *);
#endif
#if __BSD_VISIBLE
void setbuffer (FILE *, char *, int);
int setlinebuf (FILE *);
#endif
#if __MISC_VISIBLE || (__XSI_VISIBLE && __POSIX_VISIBLE < 200112)
int getw (FILE *);
int putw (int, FILE *);
#endif
#if __MISC_VISIBLE || __POSIX_VISIBLE
int getc_unlocked (FILE *);
int getchar_unlocked (void);
void flockfile (FILE *);
int ftrylockfile (FILE *);
void funlockfile (FILE *);
int putc_unlocked (int, FILE *);
int putchar_unlocked (int);
#endif
/*
* Routines in POSIX 1003.1:200x.
*/
#if __POSIX_VISIBLE >= 200809
# ifndef _REENT_ONLY
# ifndef dprintf
int dprintf (int, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 2, 3)));
# endif
FILE * fmemopen (void *__restrict, size_t, const char *__restrict);
/* getdelim - see __getdelim for now */
/* getline - see __getline for now */
FILE * open_memstream (char **, size_t *);
int vdprintf (int, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 2, 0)));
# endif
#endif
#if __ATFILE_VISIBLE
int renameat (int, const char *, int, const char *);
# ifdef __CYGWIN__
int renameat2 (int, const char *, int, const char *, unsigned int);
# endif
#endif
/*
* Recursive versions of the above.
*/
int _asiprintf_r (struct _reent *, char **, const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 3, 4)));
char * _asniprintf_r (struct _reent *, char *, size_t *, const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 4, 5)));
char * _asnprintf_r (struct _reent *, char *__restrict, size_t *__restrict, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 4, 5)));
int _asprintf_r (struct _reent *, char **__restrict, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 3, 4)));
int _diprintf_r (struct _reent *, int, const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 3, 4)));
int _dprintf_r (struct _reent *, int, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 3, 4)));
int _fclose_r (struct _reent *, FILE *);
int _fcloseall_r (struct _reent *);
FILE * _fdopen_r (struct _reent *, int, const char *);
int _fflush_r (struct _reent *, FILE *);
int _fgetc_r (struct _reent *, FILE *);
int _fgetc_unlocked_r (struct _reent *, FILE *);
char * _fgets_r (struct _reent *, char *__restrict, int, FILE *__restrict);
char * _fgets_unlocked_r (struct _reent *, char *__restrict, int, FILE *__restrict);
#ifdef _LIBC
int _fgetpos_r (struct _reent *, FILE *__restrict, _fpos_t *__restrict);
int _fsetpos_r (struct _reent *, FILE *, const _fpos_t *);
#else
int _fgetpos_r (struct _reent *, FILE *, fpos_t *);
int _fsetpos_r (struct _reent *, FILE *, const fpos_t *);
#endif
int _fiprintf_r (struct _reent *, FILE *, const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 3, 4)));
int _fiscanf_r (struct _reent *, FILE *, const char *, ...)
_ATTRIBUTE ((__format__ (__scanf__, 3, 4)));
FILE * _fmemopen_r (struct _reent *, void *__restrict, size_t, const char *__restrict);
FILE * _fopen_r (struct _reent *, const char *__restrict, const char *__restrict);
FILE * _freopen_r (struct _reent *, const char *__restrict, const char *__restrict, FILE *__restrict);
int _fprintf_r (struct _reent *, FILE *__restrict, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 3, 4)));
int _fpurge_r (struct _reent *, FILE *);
int _fputc_r (struct _reent *, int, FILE *);
int _fputc_unlocked_r (struct _reent *, int, FILE *);
int _fputs_r (struct _reent *, const char *__restrict, FILE *__restrict);
int _fputs_unlocked_r (struct _reent *, const char *__restrict, FILE *__restrict);
size_t _fread_r (struct _reent *, void *__restrict, size_t _size, size_t _n, FILE *__restrict);
size_t _fread_unlocked_r (struct _reent *, void *__restrict, size_t _size, size_t _n, FILE *__restrict);
int _fscanf_r (struct _reent *, FILE *__restrict, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__scanf__, 3, 4)));
int _fseek_r (struct _reent *, FILE *, long, int);
int _fseeko_r (struct _reent *, FILE *, _off_t, int);
long _ftell_r (struct _reent *, FILE *);
_off_t _ftello_r (struct _reent *, FILE *);
void _rewind_r (struct _reent *, FILE *);
size_t _fwrite_r (struct _reent *, const void *__restrict, size_t _size, size_t _n, FILE *__restrict);
size_t _fwrite_unlocked_r (struct _reent *, const void *__restrict, size_t _size, size_t _n, FILE *__restrict);
int _getc_r (struct _reent *, FILE *);
int _getc_unlocked_r (struct _reent *, FILE *);
int _getchar_r (struct _reent *);
int _getchar_unlocked_r (struct _reent *);
char * _gets_r (struct _reent *, char *);
int _iprintf_r (struct _reent *, const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 2, 3)));
int _iscanf_r (struct _reent *, const char *, ...)
_ATTRIBUTE ((__format__ (__scanf__, 2, 3)));
FILE * _open_memstream_r (struct _reent *, char **, size_t *);
void _perror_r (struct _reent *, const char *);
int _printf_r (struct _reent *, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 2, 3)));
int _putc_r (struct _reent *, int, FILE *);
int _putc_unlocked_r (struct _reent *, int, FILE *);
int _putchar_unlocked_r (struct _reent *, int);
int _putchar_r (struct _reent *, int);
int _puts_r (struct _reent *, const char *);
int _remove_r (struct _reent *, const char *);
int _rename_r (struct _reent *,
const char *_old, const char *_new);
int _scanf_r (struct _reent *, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__scanf__, 2, 3)));
int _siprintf_r (struct _reent *, char *, const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 3, 4)));
int _siscanf_r (struct _reent *, const char *, const char *, ...)
_ATTRIBUTE ((__format__ (__scanf__, 3, 4)));
int _sniprintf_r (struct _reent *, char *, size_t, const char *, ...)
_ATTRIBUTE ((__format__ (__printf__, 4, 5)));
int _snprintf_r (struct _reent *, char *__restrict, size_t, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 4, 5)));
int _sprintf_r (struct _reent *, char *__restrict, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__printf__, 3, 4)));
int _sscanf_r (struct _reent *, const char *__restrict, const char *__restrict, ...)
_ATTRIBUTE ((__format__ (__scanf__, 3, 4)));
char * _tempnam_r (struct _reent *, const char *, const char *);
FILE * _tmpfile_r (struct _reent *);
char * _tmpnam_r (struct _reent *, char *);
int _ungetc_r (struct _reent *, int, FILE *);
int _vasiprintf_r (struct _reent *, char **, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 3, 0)));
char * _vasniprintf_r (struct _reent*, char *, size_t *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 4, 0)));
char * _vasnprintf_r (struct _reent*, char *, size_t *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 4, 0)));
int _vasprintf_r (struct _reent *, char **, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 3, 0)));
int _vdiprintf_r (struct _reent *, int, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 3, 0)));
int _vdprintf_r (struct _reent *, int, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 3, 0)));
int _vfiprintf_r (struct _reent *, FILE *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 3, 0)));
int _vfiscanf_r (struct _reent *, FILE *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__scanf__, 3, 0)));
int _vfprintf_r (struct _reent *, FILE *__restrict, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 3, 0)));
int _vfscanf_r (struct _reent *, FILE *__restrict, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__scanf__, 3, 0)));
int _viprintf_r (struct _reent *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 2, 0)));
int _viscanf_r (struct _reent *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__scanf__, 2, 0)));
int _vprintf_r (struct _reent *, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 2, 0)));
int _vscanf_r (struct _reent *, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__scanf__, 2, 0)));
int _vsiprintf_r (struct _reent *, char *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 3, 0)));
int _vsiscanf_r (struct _reent *, const char *, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__scanf__, 3, 0)));
int _vsniprintf_r (struct _reent *, char *, size_t, const char *, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 4, 0)));
int _vsnprintf_r (struct _reent *, char *__restrict, size_t, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 4, 0)));
int _vsprintf_r (struct _reent *, char *__restrict, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__printf__, 3, 0)));
int _vsscanf_r (struct _reent *, const char *__restrict, const char *__restrict, __VALIST)
_ATTRIBUTE ((__format__ (__scanf__, 3, 0)));
/* Other extensions. */
int fpurge (FILE *);
ssize_t __getdelim (char **, size_t *, int, FILE *);
ssize_t __getline (char **, size_t *, FILE *);
#if __MISC_VISIBLE
void clearerr_unlocked (FILE *);
int feof_unlocked (FILE *);
int ferror_unlocked (FILE *);
int fileno_unlocked (FILE *);
int fflush_unlocked (FILE *);
int fgetc_unlocked (FILE *);
int fputc_unlocked (int, FILE *);
size_t fread_unlocked (void *__restrict, size_t _size, size_t _n, FILE *__restrict);
size_t fwrite_unlocked (const void *__restrict , size_t _size, size_t _n, FILE *);
#endif
#if __GNU_VISIBLE
char * fgets_unlocked (char *__restrict, int, FILE *__restrict);
int fputs_unlocked (const char *__restrict, FILE *__restrict);
#endif
#ifdef __LARGE64_FILES
#if !defined(__CYGWIN__) || defined(_LIBC)
FILE * fdopen64 (int, const char *);
FILE * fopen64 (const char *, const char *);
FILE * freopen64 (const char *, const char *, FILE *);
_off64_t ftello64 (FILE *);
_off64_t fseeko64 (FILE *, _off64_t, int);
int fgetpos64 (FILE *, _fpos64_t *);
int fsetpos64 (FILE *, const _fpos64_t *);
FILE * tmpfile64 (void);
FILE * _fdopen64_r (struct _reent *, int, const char *);
FILE * _fopen64_r (struct _reent *,const char *, const char *);
FILE * _freopen64_r (struct _reent *, const char *, const char *, FILE *);
_off64_t _ftello64_r (struct _reent *, FILE *);
_off64_t _fseeko64_r (struct _reent *, FILE *, _off64_t, int);
int _fgetpos64_r (struct _reent *, FILE *, _fpos64_t *);
int _fsetpos64_r (struct _reent *, FILE *, const _fpos64_t *);
FILE * _tmpfile64_r (struct _reent *);
#endif /* !__CYGWIN__ */
#endif /* __LARGE64_FILES */
/*
* Routines internal to the implementation.
*/
int __srget_r (struct _reent *, FILE *);
int __swbuf_r (struct _reent *, int, FILE *);
/*
* Stdio function-access interface.
*/
#if __BSD_VISIBLE
# ifdef __LARGE64_FILES
FILE *funopen (const void *__cookie,
int (*__readfn)(void *__c, char *__buf,
_READ_WRITE_BUFSIZE_TYPE __n),
int (*__writefn)(void *__c, const char *__buf,
_READ_WRITE_BUFSIZE_TYPE __n),
_fpos64_t (*__seekfn)(void *__c, _fpos64_t __off, int __whence),
int (*__closefn)(void *__c));
FILE *_funopen_r (struct _reent *, const void *__cookie,
int (*__readfn)(void *__c, char *__buf,
_READ_WRITE_BUFSIZE_TYPE __n),
int (*__writefn)(void *__c, const char *__buf,
_READ_WRITE_BUFSIZE_TYPE __n),
_fpos64_t (*__seekfn)(void *__c, _fpos64_t __off, int __whence),
int (*__closefn)(void *__c));
# else
FILE *funopen (const void *__cookie,
int (*__readfn)(void *__cookie, char *__buf,
_READ_WRITE_BUFSIZE_TYPE __n),
int (*__writefn)(void *__cookie, const char *__buf,
_READ_WRITE_BUFSIZE_TYPE __n),
fpos_t (*__seekfn)(void *__cookie, fpos_t __off, int __whence),
int (*__closefn)(void *__cookie));
FILE *_funopen_r (struct _reent *, const void *__cookie,
int (*__readfn)(void *__cookie, char *__buf,
_READ_WRITE_BUFSIZE_TYPE __n),
int (*__writefn)(void *__cookie, const char *__buf,
_READ_WRITE_BUFSIZE_TYPE __n),
fpos_t (*__seekfn)(void *__cookie, fpos_t __off, int __whence),
int (*__closefn)(void *__cookie));
# endif /* !__LARGE64_FILES */
# define fropen(__cookie, __fn) funopen(__cookie, __fn, (int (*)())0, \
(fpos_t (*)())0, (int (*)())0)
# define fwopen(__cookie, __fn) funopen(__cookie, (int (*)())0, __fn, \
(fpos_t (*)())0, (int (*)())0)
#endif /* __BSD_VISIBLE */
#if __GNU_VISIBLE
typedef ssize_t cookie_read_function_t(void *__cookie, char *__buf, size_t __n);
typedef ssize_t cookie_write_function_t(void *__cookie, const char *__buf,
size_t __n);
# ifdef __LARGE64_FILES
typedef int cookie_seek_function_t(void *__cookie, _off64_t *__off,
int __whence);
# else
typedef int cookie_seek_function_t(void *__cookie, off_t *__off, int __whence);
# endif /* !__LARGE64_FILES */
typedef int cookie_close_function_t(void *__cookie);
typedef struct
{
/* These four struct member names are dictated by Linux; hopefully,
they don't conflict with any macros. */
cookie_read_function_t *read;
cookie_write_function_t *write;
cookie_seek_function_t *seek;
cookie_close_function_t *close;
} cookie_io_functions_t;
FILE *fopencookie (void *__cookie,
const char *__mode, cookie_io_functions_t __functions);
FILE *_fopencookie_r (struct _reent *, void *__cookie,
const char *__mode, cookie_io_functions_t __functions);
#endif /* __GNU_VISIBLE */
#ifndef __CUSTOM_FILE_IO__
/*
* The __sfoo macros are here so that we can
* define function versions in the C library.
*/
#define __sgetc_raw_r(__ptr, __f) (--(__f)->_r < 0 ? __srget_r(__ptr, __f) : (int)(*(__f)->_p++))
#ifdef __SCLE
/* For a platform with CR/LF, additional logic is required by
__sgetc_r which would otherwise simply be a macro; therefore we
use an inlined function. The function is only meant to be inlined
in place as used and the function body should never be emitted.
There are two possible means to this end when compiling with GCC,
one when compiling with a standard C99 compiler, and for other
compilers we're just stuck. At the moment, this issue only
affects the Cygwin target, so we'll most likely be using GCC. */
_ELIDABLE_INLINE int __sgetc_r(struct _reent *__ptr, FILE *__p);
_ELIDABLE_INLINE int __sgetc_r(struct _reent *__ptr, FILE *__p)
{
int __c = __sgetc_raw_r(__ptr, __p);
if ((__p->_flags & __SCLE) && (__c == '\r'))
{
int __c2 = __sgetc_raw_r(__ptr, __p);
if (__c2 == '\n')
__c = __c2;
else
ungetc(__c2, __p);
}
return __c;
}
#else
#define __sgetc_r(__ptr, __p) __sgetc_raw_r(__ptr, __p)
#endif
#ifdef __GNUC__
_ELIDABLE_INLINE int __sputc_r(struct _reent *_ptr, int _c, FILE *_p) {
#ifdef __SCLE
if ((_p->_flags & __SCLE) && _c == '\n')
__sputc_r (_ptr, '\r', _p);
#endif
if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
return (*_p->_p++ = _c);
else
return (__swbuf_r(_ptr, _c, _p));
}
#else
/*
* This has been tuned to generate reasonable code on the vax using pcc
*/
#define __sputc_raw_r(__ptr, __c, __p) \
(--(__p)->_w < 0 ? \
(__p)->_w >= (__p)->_lbfsize ? \
(*(__p)->_p = (__c)), *(__p)->_p != '\n' ? \
(int)*(__p)->_p++ : \
__swbuf_r(__ptr, '\n', __p) : \
__swbuf_r(__ptr, (int)(__c), __p) : \
(*(__p)->_p = (__c), (int)*(__p)->_p++))
#ifdef __SCLE
#define __sputc_r(__ptr, __c, __p) \
((((__p)->_flags & __SCLE) && ((__c) == '\n')) \
? __sputc_raw_r(__ptr, '\r', (__p)) : 0 , \
__sputc_raw_r((__ptr), (__c), (__p)))
#else
#define __sputc_r(__ptr, __c, __p) __sputc_raw_r(__ptr, __c, __p)
#endif
#endif
#define __sfeof(p) ((int)(((p)->_flags & __SEOF) != 0))
#define __sferror(p) ((int)(((p)->_flags & __SERR) != 0))
#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF)))
#define __sfileno(p) ((p)->_file)
#ifndef __cplusplus
#ifndef _REENT_SMALL
#define feof(p) __sfeof(p)
#define ferror(p) __sferror(p)
#define clearerr(p) __sclearerr(p)
#if __MISC_VISIBLE
#define feof_unlocked(p) __sfeof(p)
#define ferror_unlocked(p) __sferror(p)
#define clearerr_unlocked(p) __sclearerr(p)
#endif /* __MISC_VISIBLE */
#endif /* _REENT_SMALL */
#if 0 /* __POSIX_VISIBLE - FIXME: must initialize stdio first, use fn */
#define fileno(p) __sfileno(p)
#endif
static __inline int
_getchar_unlocked(void)
{
struct _reent *_ptr;
_ptr = _REENT;
return (__sgetc_r(_ptr, _stdin_r(_ptr)));
}
static __inline int
_putchar_unlocked(int _c)
{
struct _reent *_ptr;
_ptr = _REENT;
return (__sputc_r(_ptr, _c, _stdout_r(_ptr)));
}
#ifdef __SINGLE_THREAD__
#define getc(_p) __sgetc_r(_REENT, _p)
#define putc(_c, _p) __sputc_r(_REENT, _c, _p)
#define getchar() _getchar_unlocked()
#define putchar(_c) _putchar_unlocked(_c)
#endif /* __SINGLE_THREAD__ */
#if __MISC_VISIBLE || __POSIX_VISIBLE
#define getchar_unlocked() _getchar_unlocked()
#define putchar_unlocked(_c) _putchar_unlocked(_c)
#endif
#endif /* __cplusplus */
#if __MISC_VISIBLE
/* fast always-buffered version, true iff error */
#define fast_putc(x,p) (--(p)->_w < 0 ? \
__swbuf_r(_REENT, (int)(x), p) == EOF : (*(p)->_p = (x), (p)->_p++, 0))
#endif
#if __GNU_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 600)
#define L_cuserid 9 /* posix says it goes in stdio.h :( */
#endif
#if __POSIX_VISIBLE
#define L_ctermid 16
#endif
#else /* __CUSTOM_FILE_IO__ */
#define getchar() getc(stdin)
#define putchar(x) putc(x, stdout)
#if __MISC_VISIBLE || __POSIX_VISIBLE
#define getchar_unlocked() getc_unlocked(stdin)
#define putchar_unlocked(x) putc_unlocked(x, stdout)
#endif
#endif /* !__CUSTOM_FILE_IO__ */
_END_STD_C
#if __SSP_FORTIFY_LEVEL > 0
#include <ssp/stdio.h>
#endif
#endif /* _STDIO_H_ */