mirror of https://github.com/mkerrisk/man-pages
84 lines
2.7 KiB
Plaintext
84 lines
2.7 KiB
Plaintext
.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
|
|
.TH "<sys/statvfs.h>" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
|
|
.\" <sys/statvfs.h>
|
|
.SH NAME
|
|
sys/statvfs.h \- VFS File System information structure
|
|
.SH SYNOPSIS
|
|
.LP
|
|
\fB#include <sys/statvfs.h> \fP
|
|
.SH DESCRIPTION
|
|
.LP
|
|
The \fI<sys/statvfs.h>\fP header shall define the \fBstatvfs\fP structure
|
|
that includes at least the following
|
|
members:
|
|
.sp
|
|
.RS
|
|
.nf
|
|
|
|
\fBunsigned long f_bsize \fP File system block size. \fB
|
|
unsigned long f_frsize \fP Fundamental file system block size. \fB
|
|
fsblkcnt_t f_blocks \fP Total number of blocks on file system in units of \fIf_frsize.\fP \fB
|
|
fsblkcnt_t f_bfree \fP Total number of free blocks. \fB
|
|
fsblkcnt_t f_bavail \fP Number of free blocks available to \fB
|
|
\fP non-privileged process. \fB
|
|
fsfilcnt_t f_files \fP Total number of file serial numbers. \fB
|
|
fsfilcnt_t f_ffree \fP Total number of free file serial numbers. \fB
|
|
fsfilcnt_t f_favail \fP Number of file serial numbers available to \fB
|
|
\fP non-privileged process. \fB
|
|
unsigned long f_fsid \fP File system ID. \fB
|
|
unsigned long f_flag \fP Bit mask of \fIf_flag\fP values. \fB
|
|
unsigned long f_namemax \fP Maximum filename length. \fB
|
|
\fP
|
|
.fi
|
|
.RE
|
|
.LP
|
|
The \fBfsblkcnt_t\fP and \fBfsfilcnt_t\fP types shall be defined as
|
|
described in \fI<sys/types.h>\fP .
|
|
.LP
|
|
The following flags for the \fIf_flag\fP member shall be defined:
|
|
.TP 7
|
|
ST_RDONLY
|
|
Read-only file system.
|
|
.TP 7
|
|
ST_NOSUID
|
|
Does not support the semantics of the ST_ISUID and ST_ISGID file mode
|
|
bits.
|
|
.sp
|
|
.LP
|
|
The following shall be declared as functions and may also be defined
|
|
as macros. Function prototypes shall be provided.
|
|
.sp
|
|
.RS
|
|
.nf
|
|
|
|
\fBint statvfs(const char *restrict, struct statvfs *restrict);
|
|
int fstatvfs(int, struct statvfs *);
|
|
\fP
|
|
.fi
|
|
.RE
|
|
.LP
|
|
\fIThe following sections are informative.\fP
|
|
.SH APPLICATION USAGE
|
|
.LP
|
|
None.
|
|
.SH RATIONALE
|
|
.LP
|
|
None.
|
|
.SH FUTURE DIRECTIONS
|
|
.LP
|
|
None.
|
|
.SH SEE ALSO
|
|
.LP
|
|
\fI<sys/types.h>\fP , the System Interfaces volume of
|
|
IEEE\ Std\ 1003.1-2001, \fIfstatvfs\fP(), \fIstatvfs\fP()
|
|
.SH COPYRIGHT
|
|
Portions of this text are reprinted and reproduced in electronic form
|
|
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
|
|
-- Portable Operating System Interface (POSIX), The Open Group Base
|
|
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
|
|
Electrical and Electronics Engineers, Inc and The Open Group. In the
|
|
event of any discrepancy between this version and the original IEEE and
|
|
The Open Group Standard, the original IEEE and The Open Group Standard
|
|
is the referee document. The original Standard can be obtained online at
|
|
http://www.opengroup.org/unix/online.html .
|