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.\" Copyright (C) 1995, Thomas K. Dyas <tdyas@eden.rutgers.edu>
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Created 1995-08-09 Thomas K. Dyas <tdyas@eden.rutgers.edu>
.\" Modified 1997-01-31 by Eric S. Raymond <esr@thyrsus.com>
.\" Modified 2001-03-22 by aeb
.\" Modified 2003-08-04 by aeb
.\"
.\" Japanese Version Copyright (c) 1996 HANATAKA Shinya
.\" all rights reserved.
.\" Translated Wed Dec 4 23:12:06 JST 1996
.\" by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Updated & Modified Sat May 22 19:00:40 JST 2004
.\" by Yuichi SATO <ysato444@yahoo.co.jp>
.\"
.\"WORD: file system ե롦ƥ
.\"WORD: mount ޥ
.\"WORD: device ǥХ
.\"WORD: member С
.\"WORD: NUL character ̥ʸ
.\"WORD: implement
.\"WORD: pointer ݥ
.\"
.TH USTAT 2 2003-08-04 "Linux 2.4" "Linux Programmer's Manual"
.SH ̾
ustat \- ե롦ƥ (file system) פ
.SH
.nf
.B #include <sys/types.h>
.br
.BR "#include <unistd.h>" " /* libc[45] */"
.br
.BR "#include <ustat.h>" " /* glibc2 */"
.sp
.BI "int ustat(dev_t " dev ", struct ustat *" ubuf );
.SH
.B ustat
ϥޥ (mount) 줿ե롦ƥξ֤
.I dev
Ĵ٤ե롦ƥޤǤǥХ (device)
ǥХֹ档
.I ubuf
ϰʲΥСޤ ustat ¤ΤؤΥݥ:
.sp
.RS
.nf
.ne 7
.ta 8n 16n 32n
daddr_t f_tfree; /* Total free blocks */
ino_t f_tinode; /* Number of free inodes */
char f_fname[6]; /* Filsys name */
char f_fpack[6]; /* Filsys pack name */
.ta
.fi
.RE
.PP
ĤΥեɡf_fname f_fpack ϼ (implemented)
Ƥ餺˥̥ʸ (NUL character) 롣
.SH ֤
ˤϥ֤졢
.I ubuf
Ǽ ustat ¤Τ롣
顼ξ \-1 ֤졢
.I errno
Ŭڤꤵ롣
.SH 顼
.TP
.B EFAULT
.I ubuf
ǽʶ֤γ¦ؤƤ롣
.TP
.B EINVAL
.I dev
ޥȤ줿ե롦ƥޤǥХȤƤʤ
.TP
.B ENOSYS
.I dev
ǻȤޥȤ줿ե롦ƥब (operation)
ݡȤƤʤLinux ΥС 1.3.16 Ǥ롣
.SH
SVr4. SVr4 ˤ¾ ENOLINK, ECOMM, EINTR ˤĤƤεҤ뤬
ENOSYS 顼ˤĤƤεҤϤʤ
.SH
.B ustat
Ͽ侩줺ߴΤ롣
ץƤ
.BR statfs (2)
Ѥ٤Ǥ롣
.SH "HP ˤ"
HP Ǥι¤ ustat ˤϡ¾˥ե
.I f_blksize
¸ߤ뤬¾Ǥϸʤ
HP ϼΤ褦˷ٹ𤷤Ƥ:
ե륷ƥˤϡƤ inode οѹʤΤ⤢롣
Τ褦ʥե륷ƥϡե
.IR f_tinode
-1 ֤
.\" ե륷ƥब NFS Ǥ뤫ݤƥȤ뤿
.\" Ѥ륽եȥ⤢롣
ե륷ƥˤϡinode ưŪ˳ݤΤ⤢롣
Τ褦ʥե륷ƥϡ߲Ƥ inode ο֤
.SH Ϣ
.BR stat (2),
.BR statfs (2)
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