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MKDIR(2)                      System Calls Manual                     MKDIR(2)

NAME
       mkdir - make a directory file

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

       int mkdir(const char *path, mode_t mode)

DESCRIPTION
       Mkdir 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; see umask(2)).

       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.  See umask(2).

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

ERRORS
       Mkdir will fail and no directory will be created if:

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

       [ENAMETOOLONG] The path name exceeds PATH_MAX characters.

       [ENOENT]       A component of the path prefix does not exist.

       [EACCES]       Search permission is denied for a component of the  path
                      prefix.

       [ELOOP]        Too  many symbolic links were encountered in translating
                      the pathname.  (Minix-vmd)

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

       [EEXIST]       The named file exists.

       [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  there
                      is  no  space  left on the file system that will contain
                      the directory.

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

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

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

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

SEE ALSO
       chmod(2), stat(2), umask(2).

4.2 Berkeley Distribution       August 26, 1985                       MKDIR(2)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | SEE ALSO