Int 21H Function 12H
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Description: Find Next File
Given that a previous call to Int 21H Function 11H has been successful,
returns the next matching filename (if any).
Input Output
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AH=12H If function successful (matching
DS:DX=segment:offset of file filename found)
control block AL=00H
and buffer at current disk trans-
fer area (DTA) address set up
as an unopened normal FCB or
extended FCB, depending on
which type of FCB was originally
input to Int 21H Function 11H
If function unsuccessful (no more
matching filenames found)
AL=FFH
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