diff --git a/fst.equ b/fst.equ
index b851477..716fc39 100644
--- a/fst.equ
+++ b/fst.equ
@@ -28,10 +28,10 @@ disk_inode		ds v1_inode
 
 
 fcr			record 0
-ref_num			ds.w 1
+id			ds.w 1	; ref num
 path_name		ds.l 1
 fst_id			ds.w 1
-vol_id			ds.w 1
+vcr_id			ds.w 1
 level			ds.w 1
 newline			ds.l 1
 newline_length		ds.w 1
@@ -41,7 +41,7 @@ access			ds.w 1
 			; fst-specific items
 
 ino			ds.w 1
-inode			ds v1_inode
+disk_inode		ds v1_inode
 dirty			ds.w 1
 
 mark			ds.l 1 ; current position
diff --git a/gsos.equ b/gsos.equ
index c566c68..b603944 100644
--- a/gsos.equ
+++ b/gsos.equ
@@ -238,25 +238,25 @@ dev_dib_ptr	ds.l	1		; pointer to DIB
 
 
                 ; gs/os direct page.
-fst_parms        record $0030
-call_number     ds.w 1         ; FST call number
-param_blk_ptr   ds.l 1         ; pointer to user's parameter block
+fst_parms	record $0030
+call_number	ds.w 1		; FST call number
+param_blk_ptr	ds.l 1		; pointer to user's parameter block
 
-;dev_num                        ; device number from parameter block
-dev1_num        ds.w 1         ; alias name for dev_num
+;dev_num			; device number from parameter block
+dev1_num	ds.w 1		; alias name for dev_num
 
-dev2_num        ds.w 1         ; second device number
+dev2_num	ds.w 1		; second device number
 
-path1_ptr                      ; ptr to 1st partial/entire pathname
-fcr_ptr         ds.l 1         ; pointer to file control record
+path1_ptr			; ptr to 1st partial/entire pathname
+fcr_ptr		ds.l 1		; pointer to file control record
 
-path2_ptr                      ; ptr to 2nd partial/entire pathname
-vcr_ptr         ds.l 1         ; pointer to volume control record
+path2_ptr			; ptr to 2nd partial/entire pathname
+vcr_ptr		ds.l 1		; pointer to volume control record
 
-path_flag       ds.w 1         ; flag for path information
-span1           ds.w 1         ; largest distance between path1 term.
-span2           ds.w 1         ; max dist. between separators for path2
-                endr
+path_flag	ds.w 1		; flag for path information
+span1		ds.w 1		; largest distance between path1 term.
+span2		ds.w 1		; max dist. between separators for path2
+		endr
 
 
 
diff --git a/minix.equ b/minix.equ
index 55c106d..d79113d 100644
--- a/minix.equ
+++ b/minix.equ
@@ -128,16 +128,18 @@ DIRSIZE		equ 30
 
 
 S_IFMT		equ $f000  ; type of file
+S_IFWHT		equ $e000  ; union white out.
+S_IFSOCK	equ $c000  ; unix domain socket
 S_IFLNK		equ $a000  ; symbolic link, not implemented
 S_IFREG		equ $8000  ; regular
 S_IFBLK		equ $6000  ; block special
 S_IFDIR		equ $4000  ; directory
 S_IFCHR		equ $2000  ; character special
 S_IFIFO		equ $1000  ; this is a FIFO
+
 S_ISUID		equ $0800  ; set user id on execution
 S_ISGID		equ $0400  ; set group id on execution
 
-
 S_IRWXU		equ $01c0  ; owner:  rwx------
 S_IRUSR		equ $0100  ; owner:  r--------
 S_IWUSR		equ $0080  ; owner:  -w-------