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<TITLE>Int 21/AX=4404h
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Int 21/AX=4404h - DBLSPACE.BIN - IOCTL - FLUSH OR INVALIDATE INTERNAL CACHES -
AX = 4404h
BL = drive number (00h = default, 01h = A:, etc)
CX = 000Ah (size of DSPACKET structure)
DS:DX - DSPACKET structure (see #01532)
Return: CF clear if IOCTL successful -- check DSPACKET for actual status
AX = number of bytes actually transferred
CF set on error
AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)
SeeAlso: AX=4405hDBLSPACE,INT 2F/AX=4A11h/BX=0000h
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<h2>Int 21/AX=4404h
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<h3><font color=#C00040>DBLSPACE.BIN - IOCTL - FLUSH OR INVALIDATE INTERNAL CACHES</font></h3>
<PRE>
AX = 4404h
BL = drive number (00h = default, 01h = A:, etc)
CX = 000Ah (size of DSPACKET structure)
DS:DX -> DSPACKET structure <a href="rb-2875.htm#Table1532" tppabs="http://www.ctyme.com/intr/rb-2875.htm#Table1532">(see #01532)</a><br>
<p><b>Return:</b><br>CF clear if IOCTL successful -- check DSPACKET for actual status
AX = number of bytes actually transferred
CF set on error
AX = error code (01h,05h,06h,0Dh) <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #01680 at AH=59h/BX=0000h)
</PRE>
<p><b>See Also:</b>
<a href="rb-2883.htm" tppabs="http://www.ctyme.com/intr/rb-2883.htm">AX=4405h"DBLSPACE"</a> - <a href="rb-4835.htm" tppabs="http://www.ctyme.com/intr/rb-4835.htm">INT 2F/AX=4A11h/BX=0000h</a>
<PRE>
<p>
Format of DoubleSpace DSPACKET structure:
<a name=table1532></a>
Offset Size Description (Table 01532)
00h WORD signature 444Dh ("DM")
02h BYTE command code
46h ('F') flush internal caches
49h ('I') flush and invalidate internal caches
03h WORD result code
(ret) 4F4Bh ("OK") if successful, else unchanged
05h 5 BYTEs padding
</PRE>
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