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Length: 992 (0x3e0)
Types: TextFile
Notes: UNIX file
Names: »dir.5«
└─⟦26887b7e0⟧ Bits:30009717 Comet 32 harddisk image
└─⟦28c352965⟧ »/a« UNIX Filesystem
└─⟦this⟧ »usr/man/man5/dir.5«
.ig
@(#)dir.5 2.1 7/1/84
@(#)Copyright (C) 1983 by National Semiconductor Corp.
..
.TH DIR 5
.SH NAME
dir \- format of directories
.SH SYNOPSIS
.B #include <sys/types.h>
.br
.B #include <sys/dir.h>
.SH DESCRIPTION
A directory
behaves exactly like an ordinary file, save that no
user may write into a directory.
The fact that a file is a directory is indicated by
a bit in the flag word of its i-node entry;
see
.IR filsys (5).
The structure of a directory entry as given in the
include file is:
.RS
.ta 8n +10n
.PP
.nf
#ifndef DIRSIZ
#define DIRSIZ 14
#endif
struct direct
{
ino_t d_ino;
char d_name[DIRSIZ];
};
.fi
.RE
.PP
By convention, the first two entries in each directory
are for `\fB.\fR' and `\fB..\fR'. The first is an entry for the
directory itself. The second is for the parent
directory.
The meaning of `\fB..\fR' is modified for the root directory
of the master file system
.RB (\*(lq / \*(rq),
where `\fB..\fR' has the
same meaning as `\fB.\fR'.
.SH "SEE ALSO"
filsys(5)