collapseos/blk/408

: [entry]
    HERE @       ( w h )
    SWAP SCPY    ( h )
    ( Adjust HERE -1 because SCPY copies the null )
    HERE @ 1-    ( h h' )
    DUP HERE !   ( h h' )
    SWAP -       ( sz )
    ( write prev value )
    HERE @ CURRENT @ - ,
    ( write size )
    C,
    HERE @ CURRENT !
;

: (entry) WORD [entry] ;