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dir(4)									dir(4)

NAME
       dir - Format of directories

SYNOPSIS
       #include <sys/types.h>

       #include <dirent.h>

DESCRIPTION
       A directory behaves like an ordinary file except 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 inode entry. See the fs reference page.

       The  POSIX  standard way of returning directory entries is in directory
       entry structures, which are of variable length.	Each  directory	 entry
       has  a  struct  direct at the front of it, containing its inode number,
       the length of the entry, and the length of the name  contained  in  the
       entry.  These are followed by the name padded to a 4-byte boundary with
       null bytes.  All names are  guaranteed  null  terminated.  The  maximum
       length of a name in a directory is _D_NAME_MAX.

       By  convention, the first two entries in each directory are for . (dot)
       and .. (dot-dot).  The first is an entry for the directory itself.  The
       second is for the parent directory. The meaning of .. (dot-dot) is mod‐
       ified for the root directory (/) of the master file  system,  where  ..
       (dot-dot) has the same meaning as . (dot).

SEE ALSO
       Functions: opendir(3)

       Files: fs(4)

									dir(4)

                             _         _         _ 
                            | |       | |       | |     
                            | |       | |       | |     
                         __ | | __ __ | | __ __ | | __  
                         \ \| |/ / \ \| |/ / \ \| |/ /  
                          \ \ / /   \ \ / /   \ \ / /   
                           \   /     \   /     \   /    
                            \_/       \_/       \_/ 

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