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