io/sys/statfs.h

   1 /* Definitions for getting information about a filesystem.
   2    Copyright (C) 1996, 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #ifndef _SYS_STATFS_H
  21 #define _SYS_STATFS_H   1
  22
  23 #include <features.h>
  24
  25 /* Get the system-specific definition of `struct statfs'.  */
  26 #include <bits/statfs.h>
  27
  28 __BEGIN_DECLS
  29
  30 /* Return information about the filesystem on which FILE resides.  */
  31 #ifndef __USE_FILE_OFFSET64
  32 extern int statfs (__const char *__file, struct statfs *__buf)
  33      __THROW __nonnull ((1, 2));
  34 #else
  35 # ifdef __REDIRECT_NTH
  36 extern int __REDIRECT_NTH (statfs,
  37                            (__const char *__file, struct statfs *__buf),
  38                            statfs64) __nonnull ((1, 2));
  39 # else
  40 #  define statfs statfs64
  41 # endif
  42 #endif
  43 #ifdef __USE_LARGEFILE64
  44 extern int statfs64 (__const char *__file, struct statfs64 *__buf)
  45      __THROW __nonnull ((1, 2));
  46 #endif
  47
  48 /* Return information about the filesystem containing the file FILDES
  49    refers to.  */
  50 #ifndef __USE_FILE_OFFSET64
  51 extern int fstatfs (int __fildes, struct statfs *__buf)
  52      __THROW __nonnull ((2));
  53 #else
  54 # ifdef __REDIRECT_NTH
  55 extern int __REDIRECT_NTH (fstatfs, (int __fildes, struct statfs *__buf),
  56                            fstatfs64) __nonnull ((2));
  57 # else
  58 #  define fstatfs fstatfs64
  59 # endif
  60 #endif
  61 #ifdef __USE_LARGEFILE64
  62 extern int fstatfs64 (int __fildes, struct statfs64 *__buf)
  63      __THROW __nonnull ((2));
  64 #endif
  65
  66 __END_DECLS
  67
  68 #endif  /* sys/statfs.h */