sysstatvfs.h.html
来自「unix 下的C开发手册,还用详细的例程。」· HTML 代码 · 共 85 行
HTML
85 行
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><!-- Copyright 1997 The Open Group, All Rights Reserved --><title><sys/statvfs.h></title></head><body bgcolor=white><center><font size=2>The Single UNIX ® Specification, Version 2<br>Copyright © 1997 The Open Group</font></center><hr size=2 noshade><h4><a name = "tag_000_009_354"> </a>NAME</h4><blockquote>sys/statvfs.h - VFS Filesystem information structure</blockquote><h4><a name = "tag_000_009_355"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <sys/statvfs.h></code></pre></blockquote><h4><a name = "tag_000_009_356"> </a>DESCRIPTION</h4><blockquote>The<i><sys/statvfs.h></i>header defines the<b>statvfs</b>structure that includes at least the following members:<pre><code>unsigned long f_bsize file system block sizeunsigned long f_frsize fundamental filesystem block sizefsblkcnt_t f_blocks total number of blocks on file system in units of <b>f_frsize</b>fsblkcnt_t f_bfree total number of free blocksfsblkcnt_t f_bavail number of free blocks available to non-privileged processfsfilcnt_t f_files total number of file serial numbersfsfilcnt_t f_ffree total number of free file serial numbersfsfilcnt_t f_favail number of file serial numbers available to non-privileged processunsigned long f_fsid file system idunsigned long f_flag bit mask of <b>f_flag</b> valuesunsigned long f_namemax maximum filename length</code></pre><p>The<b>fsblkcnt_t</b>,and<b>fsfilcnt_t</b>, types are defined as described in<i><a href="systypes.h.html"><sys/types.h></a></i>.<p>The following flags for the <b>f_flag</b> member are defined:<pre><code>ST_RDONLY read-only file systemST_NOSUID does not support setuid/setgid semantics</code></pre><p>The header <<b>sys/statvfs.h</b>> declares the following functions whichmay also be defined as macros.Function prototypes must be provided for use with an ISO Ccompiler.<pre><code>int <a href="statvfs.html">statvfs</a>(const char *, struct statvfs *);int <a href="fstatvfs.html">fstatvfs</a>(int, struct statvfs *);</code></pre></blockquote><h4><a name = "tag_000_009_357"> </a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_358"> </a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_359"> </a>SEE ALSO</h4><blockquote><i><a href="fstatvfs.html">fstatvfs()</a></i>,<i><a href="statvfs.html">statvfs()</a></i>.</blockquote><hr size=2 noshade><center><font size=2>UNIX ® is a registered Trademark of The Open Group.<br>Copyright © 1997 The Open Group<br> [ <a href="../index.html">Main Index</a> | <a href="../xshix.html">XSH</a> | <a href="../xcuix.html">XCU</a> | <a href="../xbdix.html">XBD</a> | <a href="../cursesix.html">XCURSES</a> | <a href="../xnsix.html">XNS</a> ]</font></center><hr size=2 noshade></body></html>⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?