+.\" ==========
+.It Bq Er EIO
+An I/O error occurred while making the directory entry
+or allocating the inode.
+.\" ==========
+.It Bq Er EIO
+An I/O error occurred while reading from or writing to the file system.
+.\" ==========
+.It Bq Er ELOOP
+Too many symbolic links were encountered in translating the pathname.
+This is taken to be indicative of a looping symbolic link.
+.\" ==========
+.It Bq Er EMLINK
+The parent directory already has {LINK_MAX} links.
+.\" ==========
+.It Bq Er ENAMETOOLONG
+A component of a pathname exceeded
+.Dv {NAME_MAX}
+characters, or an entire path name exceeded
+.Dv {PATH_MAX}
+characters.
+.\" ==========
+.It Bq Er ENOENT
+A component of the path prefix does not exist
+or path is an empty string.
+.It Bq Er ENOSPC
+The new directory cannot be created because there is no space left
+on the file system that would contain it.
+.\" ==========
+.It Bq Er ENOSPC
+There are no free inodes on the file system on which the
+directory is being created.
+.\" ==========
+.It Bq Er ENOTDIR
+A component of the path prefix is not a directory.
+.\" ==========
+.It Bq Er EROFS
+The parent directory resides on a read-only file system.