mkdir man page on Ultrix

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mkdir(2)							      mkdir(2)

Name
       mkdir - make a directory file

Syntax
       #include <sys/types.h>
       #include <sys/stat.h>

       mkdir(path, mode)
       char *path;
       mode_t mode;

Description
       The  system call creates a new directory file with name path.  The mode
       of the new file is initialized from mode.  The protection part  of  the
       mode  is modified by the process's mode mask.  For further information,
       see

       The directory's owner ID is set to the  process's  effective  user  ID.
       The  directory's	 group	ID  is	set to that of the parent directory in
       which it is created.

       The low-order 9 bits of mode are modified by the	 process's  file  mode
       creation	 mask:	all  bits set in the process's file mode creation mask
       are cleared.  For further information, see

Return Values
       A 0 return value indicates success.  A -1  return  value	 indicates  an
       error, and an error code is stored in errno.

Diagnostics
       The  system  call fails and a directory is not created if the following
       occurs:

       [EISDIR]	   The named file is a directory, and the arguments specify it
		   is to be opened for writing.

       [ENOTDIR]   A component of the path prefix is not a directory.

       [ENAMETOOLONG]
		   A  component	 of  a pathname exceeded 255 characters, or an
		   entire pathname exceeded 1023 characters.

       [ENOENT]	   A component of the path prefix does not exist or  the  path
		   argument  points  to	 an  empty  string and the environment
		   defined is POSIX or SYSTEM_FIVE.

       [EACCES]	   Search permission is denied for a  component	 of  the  path
		   prefix,  or write permission is denied on the parent direc‐
		   tory to be created.

       [EROFS]	   The named file resides on a read-only file system.

       [EEXIST]	   The named file exists.

       [EFAULT]	   The path points outside  the	 process's  allocated  address
		   space.

       [ELOOP]	   Too many symbolic links were encountered in translating the
		   pathname.

       [EIO]	   An I/O error occurred while reading from or writing to  the
		   file system.

       [EIO]	   An  I/O  error occurred while making the directory entry or
		   allocating the inode.

       [ENOSPC]	   The directory in which the entry for the new	 directory  is
		   being  placed cannot be extended, because there is no space
		   left on the file system containing the directory.

       [ENOSPC]	   The new directory cannot be created, because	 there	is  no
		   space  left on the file system that will contain the direc‐
		   tory.

       [ENOSPC]	   There are no free inodes on the file system	on  which  the
		   directory is being created.

       [EDQUOT]	   The	directory  in which the entry for the new directory is
		   being placed cannot be extended, because the	 user's	 quota
		   of  disk blocks on the file system containing the directory
		   has been exhausted.

       [EDQUOT]	   The new directory cannot be	created,  because  the	user's
		   quota  of  disk blocks on the file system that will contain
		   the directory has been exhausted.

       [EDQUOT]	   The user's quota of inodes on the file system on which  the
		   directory is being created has been exhausted.

       [ESTALE]	   The file handle given in the argument is invalid.  The file
		   referred to by that file handle no  longer  exists  or  has
		   been revoked.

       [ETIMEDOUT] A "connect" request or remote file operation failed because
		   the connected party did not properly respond after a period
		   of time that is dependent on the communications protocol.

       [EMLINK]	   The	link  count  of	 the  parent  directory	 would	exceed
		   {LINK_MAX}.

See Also
       chmod(2), stat(2), umask(2)

								      mkdir(2)
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