Document the flags displayed by the default format, and mention their short

names. From espie@openbsd via jmc@openbsd.

usr.bin/stat/stat.1

@@ -1,4 +1,4 @@
-.\"	$NetBSD: stat.1,v 1.20 2007/11/07 22:27:50 wiz Exp $
+.\"	$OpenBSD: stat.1,v 1.14 2007/11/05 16:58:34 espie Exp $
 .\"
 .\" Copyright (c) 2002-2005 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -89,6 +89,23 @@ In this case, the argument does not need to be a symbolic link.
 The information displayed is obtained by calling
 .Xr lstat 2
 with the given argument and evaluating the returned structure.
+The default format displays the
+.Fa st_dev ,
+.Fa st_ino ,
+.Fa st_mode ,
+.Fa st_nlink ,
+.Fa st_uid ,
+.Fa st_gid ,
+.Fa st_rdev ,
+.Fa st_size ,
+.Fa st_atime ,
+.Fa st_mtime ,
+.Fa st_ctime ,
+.Fa st_blksize ,
+.Fa st_blocks ,
+and
+.Fa st_flags
+fields, in that order.
 .Pp
 The options are as follows:
 .Bl -tag -width XFXformatXXX
@@ -354,40 +371,52 @@ A required field specifier, being one of the following:
 .It Cm d
 Device upon which
 .Ar file
-resides.
+resides
+.Pq Fa st_dev .
 .It Cm i
 .Ar file Ap s
-inode number.
+inode number
+.Pq Fa st_ino .
 .It Cm p
-File type and permissions.
+File type and permissions
+.Pq Fa st_mode .
 .It Cm l
 Number of hard links to
-.Ar file .
+.Ar file
+.Pq Fa st_nlink .
 .It Cm u , g
 User-id and group-id of
 .Ar file Ap s
-owner.
+owner
+.Pq Fa st_uid , st_gid .
 .It Cm r
-Device number for character and block device special files.
+Device number for character and block device special files
+.Pq Fa st_rdev .
 .It Cm a , m , c , B
 The time
 .Ar file
 was last accessed or modified, or when the inode was last changed, or
-the birth time of the inode.
+the birth time of the inode
+.Pq Fa st_atimespec , st_mtimespec , st_ctimespec .
 .It Cm z
 The size of
 .Ar file
-in bytes.
+in bytes
+.Pq Fa st_size .
 .It Cm b
 Number of blocks allocated for
-.Ar file .
+.Ar file
+.Pq Fa st_blocks .
 .It Cm k
-Optimal file system I/O operation block size.
+Optimal file system I/O operation block size
+.Pq Fa st_blksize .
 .It Cm f
 User defined flags for
-.Ar file .
+.Ar file
+.Pq Fa st_flags .
 .It Cm v
-Inode generation number.
+Inode generation number
+.Pq Fa st_gen .
 .El
 .Pp
 The following five field specifiers are not drawn directly from the