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STATVFS(5) BSD File Formats Manual STATVFS(5)
NAME
statvfs — file system statistics
SYNOPSIS
#include <sys/types.h>
#include <sys/statvfs.h>
DESCRIPTION
The ⟨sys/statvfs.h⟩ header defines the structures and functions that
return information about a mounted file system. The statvfs structure is
defined as follows:
struct statvfs {
unsigned long f_bsize; /* system block size */
unsigned long f_frsize; /* system fragment size */
fsblkcnt_t f_blocks; /* number of blocks in file system */
fsblkcnt_t f_bfree; /* free blocks avail in file system */
fsblkcnt_t f_bavail; /* free blocks avail to non-root */
fsfilcnt_t f_files; /* total file nodes in file system */
fsfilcnt_t f_ffree; /* free file nodes in file system */
fsfilcnt_t f_favail; /* free file nodes avail to non-root */
unsigned long f_fsid; /* File system ID */
unsigned long f_flag; /* flags */
unsigned long f_namemax;/* maximum filename length */
};
The f_flag argument can have the following bits set:
ST_RDONLY The filesystem is mounted read-only; Even the super-user
may not write on it.
ST_NOSUID Setuid and setgid bits on files are not honored when they
are executed.
ST_NOTRUNC File names longer than NAME_MAX are not truncated.
SEE ALSO
statvfs(2)
HISTORY
The ⟨sys/statvfs.h⟩ header first appeared in NetBSD 3.0.
BSD June 23, 2008 BSD
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