Function 12h Search For Next Entry Using FCB (FCB)
Search for next matching filename
entry AH 12h
DS:DX pointer to the unopened FCB specified from the previous Search
First (11h) or Search Next (12h)
return AL 00h if matching filename found
0FFh if matching filename was not found
note 1) After a matching filename has been found using function call 11h,
function 12h may be called to find the next match to an ambiguous
request. For DOS 2.x, ?'s are allowed in the filename. For DOS 3.x
and 4.x, global (*) filename characters are allowed.
2) The DTA contains info from the previous Search First or Search Next.
3) All of the FCB except for the name/extension field is used to keep
information nescessary for continuing the search, so no disk operations
may be performed with this FCB between a previous function 11h or 12h
call and this one.
4) If the file is found, an FCB is created at the DTA address and set up to
open or delete it.
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