Function 46h Force Duplicate of a Handle (FORCEDUP or CDUP)
Forces handle in CX to refer to the same file at the same
position as BX
entry AH 46h
BX existing file handle
CX new file handle
return CF clear both handles now refer to existing file
set error
AX error code (4, 6)
note 1) If CX was an open file, it is closed first
2) If you move the read/write pointer of either file, both will move
3) The handle in BX must be open
file: /Techref/INT/21f/46.htm, 0KB, , updated: 1999/2/20 11:26, local time: 2024/10/7 16:24,
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