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authorTobias Klauser <tklauser@distanz.ch>2008-01-27 11:37:44 +0100
committerTobias Klauser <tklauser@xenon.tklauser.home>2008-01-27 11:37:44 +0100
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+<TITLE>readdir</TITLE>
+<body bgcolor="#ffffcc">
+<hr>
+<pre>
+
+
+
+<h3>READDIR(2) Linux Programmer's Manual READDIR(2)
+</h3>
+
+<h3>NAME
+</h3> readdir - read directory entry
+
+<h3>SYNOPSIS
+</h3> #include &lt;unistd.h&gt;
+ #include &lt;linux/dirent.h&gt;
+ #include &lt;linux/unistd.h&gt;
+
+ _syscall3(int, readdir, uint, fd, struct dirent *, dirp, uint, count);
+
+ int readdir(unsigned int fd, struct dirent *dirp, unsigned int count);
+
+<h3>DESCRIPTION
+</h3> This is not the function you are interested in. Look at
+ readdir(3) for the POSIX conforming C library interface.
+ This page documents the bare kernel system call interface,
+ which can change, and which is superseded by getdents(2).
+
+ readdir reads one dirent structure from the directory
+ pointed at by fd into the memory area pointed to by dirp.
+ The parameter count is ignored; at most one dirent struc-
+ ture is read.
+
+ The dirent structure is declared as follows:
+
+ struct dirent
+ {
+ long d_ino; /* inode number */
+ off_t d_off; /* offset to this dirent */
+ unsigned short d_reclen; /* length of this d_name */
+ char d_name [NAME_MAX+1]; /* file name (null-terminated) */
+ }
+
+ d_ino is an inode number. d_off is the distance from the
+ start of the directory to this dirent. d_reclen is the
+ size of d_name, not counting the null terminator. d_name
+ is a null-terminated file name.
+
+
+<h3>RETURN VALUE
+</h3> On success, 1 is returned. On end of directory, 0 is
+ returned. On error, -1 is returned, and errno is set
+ appropriately.
+
+<h3>ERRORS
+</h3> EBADF Invalid file descriptor fd.
+
+ ENOTDIR
+ File descriptor does not refer to a directory.
+
+<h3>CONFORMING TO
+</h3> This system call is Linux specific.
+
+
+
+
+
+<h3>Linux 1.3.6 22 July 1995 1
+</h3>
+
+
+
+
+<h3>READDIR(2) Linux Programmer's Manual READDIR(2)
+</h3>
+
+</pre>
+<hr>
+<h3>SEE ALSO
+</h3><p>
+<a href=getdents.htm>getdents</a>,
+<a href=readdir.htm>readdir</a>,
+<pre>
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+<h3>Linux 1.3.6 22 July 1995 2
+</h3>
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+ </pre>
+<P>
+<hr>
+<p>
+<center>
+<table border=2 width=80%>
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+
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