mingw-5.1.4/win32/include/io.h
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Change SFL to EPL
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/*
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 * io.h
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 * This file has no copyright assigned and is placed in the Public Domain.
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 * This file is a part of the mingw-runtime package.
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 * No warranty is given; refer to the file DISCLAIMER within the package.
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 *
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 * System level I/O functions and types.
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 *
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 */
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#ifndef	_IO_H_
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#define	_IO_H_
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/* All the headers include this file. */
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#include <_mingw.h>
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/* MSVC's io.h contains the stuff from dir.h, so I will too.
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 * NOTE: This also defines off_t, the file offset type, through
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 *       an inclusion of sys/types.h */
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#include <sys/types.h>	/* To get time_t.  */
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/*
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 * Attributes of files as returned by _findfirst et al.
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 */
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#define	_A_NORMAL	0x00000000
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#define	_A_RDONLY	0x00000001
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#define	_A_HIDDEN	0x00000002
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#define	_A_SYSTEM	0x00000004
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#define	_A_VOLID	0x00000008
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#define	_A_SUBDIR	0x00000010
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#define	_A_ARCH		0x00000020
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#ifndef RC_INVOKED
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#ifndef _INTPTR_T_DEFINED
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#define _INTPTR_T_DEFINED
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#ifdef _WIN64
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  typedef __int64 intptr_t;
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#else
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  typedef int intptr_t;
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#endif
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#endif
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#ifndef	_FSIZE_T_DEFINED
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typedef	unsigned long	_fsize_t;
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#define _FSIZE_T_DEFINED
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#endif
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/*
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 * The maximum length of a file name. You should use GetVolumeInformation
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 * instead of this constant. But hey, this works.
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 * Also defined in stdio.h.
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 */
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#ifndef FILENAME_MAX
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#define	FILENAME_MAX	(260)
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#endif
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/*
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 * The following structure is filled in by _findfirst or _findnext when
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 * they succeed in finding a match.
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 */
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struct _finddata_t
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{
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	unsigned	attrib;		/* Attributes, see constants above. */
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	time_t		time_create;
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	time_t		time_access;	/* always midnight local time */
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	time_t		time_write;
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	_fsize_t	size;
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	char		name[FILENAME_MAX];	/* may include spaces. */
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};
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struct _finddatai64_t {
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    unsigned    attrib;
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    time_t      time_create;
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    time_t      time_access;
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    time_t      time_write;
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    __int64     size;
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    char        name[FILENAME_MAX];
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};
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#if __MSVCRT_VERSION__ >= 0x0601
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struct __finddata64_t {
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        unsigned    attrib;
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        __time64_t  time_create;
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        __time64_t  time_access;
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        __time64_t  time_write;
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/* 8 bytes are returned so it can't be _fsize_t */
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        __int64    size;
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         char       name[FILENAME_MAX];
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};
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#endif
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#ifndef _WFINDDATA_T_DEFINED
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struct _wfinddata_t {
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    	unsigned	attrib;
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    	time_t		time_create;	/* -1 for FAT file systems */
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    	time_t		time_access;	/* -1 for FAT file systems */
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    	time_t		time_write;
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    	_fsize_t	size;
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    	wchar_t		name[FILENAME_MAX];	/* may include spaces. */
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};
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struct _wfinddatai64_t {
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    unsigned    attrib;
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    time_t      time_create;
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    time_t      time_access;
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    time_t      time_write;
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    __int64     size;
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    wchar_t     name[FILENAME_MAX];
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};
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#if __MSVCRT_VERSION__ >= 0x0601
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struct __wfinddata64_t {
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        unsigned    attrib;
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        __time64_t  time_create;
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        __time64_t  time_access;
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        __time64_t  time_write;
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/* 8 bytes are returned so it can't be _fsize_t */
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        __int64    size;
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        wchar_t     name[FILENAME_MAX];
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};
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#endif
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#define _WFINDDATA_T_DEFINED
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#endif
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#ifdef	__cplusplus
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extern "C" {
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#endif
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/*
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 * Functions for searching for files. _findfirst returns -1 if no match
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 * is found. Otherwise it returns a handle to be used in _findnext and
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 * _findclose calls. _findnext also returns -1 if no match could be found,
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 * and 0 if a match was found. Call _findclose when you are finished.
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 */
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/*  FIXME: Should these all use intptr_t, as per recent MSDN docs?  */
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_CRTIMP long __cdecl __MINGW_NOTHROW _findfirst (const char*, struct _finddata_t*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _findnext (long, struct _finddata_t*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _findclose (long);
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_CRTIMP int __cdecl __MINGW_NOTHROW _chdir (const char*);
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_CRTIMP char* __cdecl __MINGW_NOTHROW _getcwd (char*, int);
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_CRTIMP int __cdecl __MINGW_NOTHROW _mkdir (const char*);
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_CRTIMP char* __cdecl __MINGW_NOTHROW _mktemp (char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _rmdir (const char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _chmod (const char*, int);
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#ifdef __MSVCRT__
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_CRTIMP __int64 __cdecl __MINGW_NOTHROW _filelengthi64(int);
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_CRTIMP long __cdecl __MINGW_NOTHROW _findfirsti64(const char*, struct _finddatai64_t*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _findnexti64(long, struct _finddatai64_t*);
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_CRTIMP __int64 __cdecl __MINGW_NOTHROW _lseeki64(int, __int64, int);
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_CRTIMP __int64 __cdecl __MINGW_NOTHROW _telli64(int);
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/* These require newer versions of msvcrt.dll (6.1 or higher). */ 
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#if __MSVCRT_VERSION__ >= 0x0601
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_CRTIMP intptr_t __cdecl __MINGW_NOTHROW _findfirst64(const char*, struct __finddata64_t*);
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_CRTIMP intptr_t __cdecl __MINGW_NOTHROW _findnext64(intptr_t, struct __finddata64_t*); 
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#endif /* __MSVCRT_VERSION__ >= 0x0601 */
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#ifndef __NO_MINGW_LFS
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__CRT_INLINE off64_t lseek64 (int, off64_t, int);
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__CRT_INLINE off64_t lseek64 (int fd, off64_t offset, int whence)
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{
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  return _lseeki64(fd, (__int64) offset, whence);
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}
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#endif
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#endif /* __MSVCRT__ */
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#ifndef _NO_OLDNAMES
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#ifndef _UWIN
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_CRTIMP int __cdecl __MINGW_NOTHROW chdir (const char*);
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_CRTIMP char* __cdecl __MINGW_NOTHROW getcwd (char*, int);
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_CRTIMP int __cdecl __MINGW_NOTHROW mkdir (const char*);
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_CRTIMP char* __cdecl __MINGW_NOTHROW mktemp (char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW rmdir (const char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW chmod (const char*, int);
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#endif /* _UWIN */
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#endif /* Not _NO_OLDNAMES */
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#ifdef	__cplusplus
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}
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#endif
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#endif	/* Not RC_INVOKED */
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/* TODO: Maximum number of open handles has not been tested, I just set
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 * it the same as FOPEN_MAX. */
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#define	HANDLE_MAX	FOPEN_MAX
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/* Some defines for _access nAccessMode (MS doesn't define them, but
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 * it doesn't seem to hurt to add them). */
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#define	F_OK	0	/* Check for file existence */
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/* Well maybe it does hurt.  On newer versions of MSVCRT, an access mode
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   of 1 causes invalid parameter error. */   
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#define	X_OK	1	/* MS access() doesn't check for execute permission. */
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#define	W_OK	2	/* Check for write permission */
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#define	R_OK	4	/* Check for read permission */
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#ifndef RC_INVOKED
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#ifdef	__cplusplus
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extern "C" {
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#endif
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_CRTIMP int __cdecl __MINGW_NOTHROW _access (const char*, int);
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_CRTIMP int __cdecl __MINGW_NOTHROW _chsize (int, long);
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_CRTIMP int __cdecl __MINGW_NOTHROW _close (int);
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_CRTIMP int __cdecl __MINGW_NOTHROW _commit(int);
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/* NOTE: The only significant bit in unPermissions appears to be bit 7 (0x80),
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 *       the "owner write permission" bit (on FAT). */
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_CRTIMP int __cdecl __MINGW_NOTHROW _creat (const char*, int);
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_CRTIMP int __cdecl __MINGW_NOTHROW _dup (int);
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_CRTIMP int __cdecl __MINGW_NOTHROW _dup2 (int, int);
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_CRTIMP long __cdecl __MINGW_NOTHROW _filelength (int);
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_CRTIMP long __cdecl __MINGW_NOTHROW _get_osfhandle (int);
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_CRTIMP int __cdecl __MINGW_NOTHROW _isatty (int);
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/* In a very odd turn of events this function is excluded from those
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 * files which define _STREAM_COMPAT. This is required in order to
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 * build GNU libio because of a conflict with _eof in streambuf.h
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 * line 107. Actually I might just be able to change the name of
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 * the enum member in streambuf.h... we'll see. TODO */
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#ifndef	_STREAM_COMPAT
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_CRTIMP int __cdecl __MINGW_NOTHROW _eof (int);
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#endif
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/* LK_... locking commands defined in sys/locking.h. */
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_CRTIMP int __cdecl __MINGW_NOTHROW _locking (int, int, long);
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_CRTIMP long __cdecl __MINGW_NOTHROW _lseek (int, long, int);
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/* Optional third argument is unsigned unPermissions. */
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_CRTIMP int __cdecl __MINGW_NOTHROW _open (const char*, int, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW _open_osfhandle (long, int);
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_CRTIMP int __cdecl __MINGW_NOTHROW _pipe (int *, unsigned int, int);
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_CRTIMP int __cdecl __MINGW_NOTHROW _read (int, void*, unsigned int);
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_CRTIMP int __cdecl __MINGW_NOTHROW _setmode (int, int);
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/* MS puts remove & rename (but not wide versions) in io.h as well
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   as in stdio.h. */
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_CRTIMP int __cdecl __MINGW_NOTHROW	remove (const char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW	rename (const char*, const char*);
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/* SH_... flags for nShFlags defined in share.h
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 * Optional fourth argument is unsigned unPermissions */
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_CRTIMP int __cdecl __MINGW_NOTHROW _sopen (const char*, int, int, ...);
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_CRTIMP long __cdecl __MINGW_NOTHROW _tell (int);
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/* Should umask be in sys/stat.h and/or sys/types.h instead? */
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_CRTIMP int __cdecl __MINGW_NOTHROW _umask (int);
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_CRTIMP int __cdecl __MINGW_NOTHROW _unlink (const char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _write (int, const void*, unsigned int);
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/* Wide character versions. Also declared in wchar.h. */
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/* Not in crtdll.dll */
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#if !defined (_WIO_DEFINED)
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#if defined (__MSVCRT__)
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_CRTIMP int __cdecl __MINGW_NOTHROW _waccess(const wchar_t*, int);
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_CRTIMP int __cdecl __MINGW_NOTHROW _wchmod(const wchar_t*, int);
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_CRTIMP int __cdecl __MINGW_NOTHROW _wcreat(const wchar_t*, int);
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_CRTIMP long __cdecl __MINGW_NOTHROW _wfindfirst(const wchar_t*, struct _wfinddata_t*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _wfindnext(long, struct _wfinddata_t *);
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_CRTIMP int __cdecl __MINGW_NOTHROW _wunlink(const wchar_t*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _wopen(const wchar_t*, int, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW _wsopen(const wchar_t*, int, int, ...);
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_CRTIMP wchar_t * __cdecl __MINGW_NOTHROW _wmktemp(wchar_t*);
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_CRTIMP long __cdecl __MINGW_NOTHROW _wfindfirsti64(const wchar_t*, struct _wfinddatai64_t*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _wfindnexti64(long, struct _wfinddatai64_t*);
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#if __MSVCRT_VERSION__ >= 0x0601
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_CRTIMP intptr_t __cdecl __MINGW_NOTHROW _wfindfirst64(const wchar_t*, struct __wfinddata64_t*); 
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_CRTIMP intptr_t __cdecl __MINGW_NOTHROW _wfindnext64(intptr_t, struct __wfinddata64_t*);
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#endif
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#endif /* defined (__MSVCRT__) */
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#define _WIO_DEFINED
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#endif /* _WIO_DEFINED */
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#ifndef	_NO_OLDNAMES
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/*
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 * Non-underscored versions of non-ANSI functions to improve portability.
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 * These functions live in libmoldname.a.
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 */
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#ifndef _UWIN
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_CRTIMP int __cdecl __MINGW_NOTHROW access (const char*, int);
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_CRTIMP int __cdecl __MINGW_NOTHROW chsize (int, long );
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_CRTIMP int __cdecl __MINGW_NOTHROW close (int);
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_CRTIMP int __cdecl __MINGW_NOTHROW creat (const char*, int);
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_CRTIMP int __cdecl __MINGW_NOTHROW dup (int);
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_CRTIMP int __cdecl __MINGW_NOTHROW dup2 (int, int);
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_CRTIMP int __cdecl __MINGW_NOTHROW eof (int);
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_CRTIMP long __cdecl __MINGW_NOTHROW filelength (int);
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_CRTIMP int __cdecl __MINGW_NOTHROW isatty (int);
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_CRTIMP long __cdecl __MINGW_NOTHROW lseek (int, long, int);
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_CRTIMP int __cdecl __MINGW_NOTHROW open (const char*, int, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW read (int, void*, unsigned int);
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_CRTIMP int __cdecl __MINGW_NOTHROW setmode (int, int);
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_CRTIMP int __cdecl __MINGW_NOTHROW sopen (const char*, int, int, ...);
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_CRTIMP long __cdecl __MINGW_NOTHROW tell (int);
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_CRTIMP int __cdecl __MINGW_NOTHROW umask (int);
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_CRTIMP int __cdecl __MINGW_NOTHROW unlink (const char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW write (int, const void*, unsigned int);
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#endif /* _UWIN */
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#ifdef __USE_MINGW_ACCESS
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/*  Old versions of MSVCRT access() just ignored X_OK, while the version
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    shipped with Vista, returns an error code.  This will restore the
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    old behaviour  */
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static inline int __mingw_access (const char* __fname, int __mode)
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  { return  _access (__fname, __mode & ~X_OK); }
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#define access(__f,__m)  __mingw_access (__f, __m)
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#endif
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/* Wide character versions. Also declared in wchar.h. */
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/* Where do these live? Not in libmoldname.a nor in libmsvcrt.a */
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#if 0
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int 		waccess(const wchar_t *, int);
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int 		wchmod(const wchar_t *, int);
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int 		wcreat(const wchar_t *, int);
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long 		wfindfirst(wchar_t *, struct _wfinddata_t *);
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int 		wfindnext(long, struct _wfinddata_t *);
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int 		wunlink(const wchar_t *);
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int 		wrename(const wchar_t *, const wchar_t *);
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int 		wopen(const wchar_t *, int, ...);
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int 		wsopen(const wchar_t *, int, int, ...);
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wchar_t * 	wmktemp(wchar_t *);
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#endif
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#endif	/* Not _NO_OLDNAMES */
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#ifdef	__cplusplus
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}
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#endif
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#endif	/* Not RC_INVOKED */
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#endif	/* _IO_H_ not defined */