Int 21 Fn 4F - Dos 2+ - "findnext" - Find Next Matching File [D]
AH = 4Fh
Disk Transfer Area contains data block from previous FindFirst or
FindNext call
Return: CF clear if successful
Disk Transfer Area updated
CF set on error
AX = error code (12h) (see #1366 at AH=59h/BX=0000h)
Notes: under Novell DOS 7, if the FindFirst call (AH=4Eh) had CX=0088h, then
the next matching deleted file will be returned
since the entire state of a FindFirst/FindNext sequence is contained
in the data block in the DTA, other disk operations such as renaming,
moving, deleting, or creating files can cause inaccurate directory
searches, such as finding the same file twice
BUG: DR DOS 3.41 and 5.0 return the Directory attribute for the volume label
See Also: AH=12h,AH=4Eh,AX=714Fh,AX=71A1h