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BTBUF.BLK
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1988-01-05
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655b
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24 lines
C
C *** / B T B U F / ***
C
C INCORE BUFFER FOR BTREE PAGING BLOCKS
C
COMMON /BTBUF/ CORE(2560)
INTEGER CORE
INTEGER VALUE(3,1)
EQUIVALENCE (CORE(1),VALUE(1,1))
REAL RVALUE(3,1)
EQUIVALENCE (CORE(1),RVALUE(1,1))
C
C VARIABLE DEFINITIONS:
C BTREE NODES ARE ARRANGED IN THREE WORD GROUPS
C VALUE---ROW 1 - ARRAY OF BTREE KEY VALUES
C VALUE---ROW 2 - ARRAY OF BTREE NODE POINTERS AND TUPLE
C POINTERS
C VALUE---ROW 3 - ARRAY OF MOT TUPLE POINTERS
C
C MOT TABLES ARE ARRANGED IN TWO WORD PAIRS
C ROW 1 - MOT POINTER TO NEXT LINK
C ROW 2 - TUPLE POINTER
C