1.\" $MirOS: src/lib/libc/sys/statvfs.2,v 1.1 2007/05/19 22:07:03 tg Exp $ 2.\" $NetBSD: statvfs.2,v 1.4 2005/11/04 06:09:20 gendalia Exp $ 3.\" 4.\" Copyright (c) 1989, 1991, 1993 5.\" The Regents of the University of California. All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. Neither the name of the University nor the names of its contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29.\" SUCH DAMAGE. 30.\" 31.\" @(#)statfs.2 8.5 (Berkeley) 5/24/95 32.\" 33.Dd May 19, 2007 34.Dt STATVFS 2 35.Os 36.Sh NAME 37.Nm statvfs , 38.Nm fstatvfs , 39.Nd get file system statistics 40.Sh LIBRARY 41.Lb libc 42.Sh SYNOPSIS 43.In sys/statvfs.h 44.Ft int 45.Fn statvfs "const char *path" "struct statvfs *buf" 46.Ft int 47.Fn fstatvfs "int fd" "struct statvfs *buf" 48.Sh DESCRIPTION 49.Fn statvfs 50return information about a mounted file system. 51.Fa path 52is the path name of any file within the mounted file system. 53.Fa buf 54is a pointer to a 55.Nm statvfs 56structure. 57.Pp 58.Fn fstatvfs 59return the same information about an open file referenced by descriptor 60.Fa fd . 61.Sh RETURN VALUES 62Upon successful completion, a value of 0 is returned. 63Otherwise, \-1 is returned and the global variable 64.Va errno 65is set to indicate the error. 66.Sh ERRORS 67.Fn statvfs 68and 69.Fn fstatvfs 70fail for the same reasons 71.Fn statfs 72and 73.Fn statvfs 74can fail. 75.Sh SEE ALSO 76.Xr fstatfs 3 , 77.Xr statfs 3 78.Sh HISTORY 79The 80.Fn statvfs , 81and 82.Fn fstatvfs 83functions first appeared in 84.Mx 10 85as a pure user-space implementation. 86.Sh AUTHORS 87The actual implementation of the user-space functions was taken from 88.Nx 89libnbcompat. 90