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<TITLE>Int 21/AH=3Ch
</TITLE>
<META NAME="Description" CONTENT="
Int 21/AH=3Ch - DOS 2+ - CREAT - CREATE OR TRUNCATE FILE -
AH = 3Ch
CX = file attributes (see #01401)
DS:DX - ASCIZ filename
Return: CF clear if successful
AX = file handle
CF set on error
AX = error code (03h,04h,05h) (see #01680 at AH=59h/BX=0000h)
Notes: if a file with the given name exists, it is truncated to zero length
under the FlashTek X-32 DOS extender, the pointer is in DS:EDX
DR DOS checks the system password or explicitly supplied password at
">
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<h2>Int 21/AH=3Ch
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<h3><font color=#C00040>DOS 2+ - CREAT - CREATE OR TRUNCATE FILE</font></h3>
<PRE>
AH = 3Ch
CX = file attributes <a href="rb-2778.htm#Table1401" tppabs="http://www.ctyme.com/intr/rb-2778.htm#Table1401">(see #01401)</a>
DS:DX -> ASCIZ filename<br>
<p><b>Return:</b><br>CF clear if successful
AX = file handle
CF set on error
AX = error code (03h,04h,05h) <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>Notes:</b>
If a file with the given name exists, it is truncated to zero length.
Under the FlashTek X-32 DOS extender, the pointer is in DS:EDX.
DR DOS checks the system password or explicitly supplied password at
the end of the filename against the reserved field in the directory
entry before allowing access
<p><b>See Also:</b>
<a href="rb-2581.htm" tppabs="http://www.ctyme.com/intr/rb-2581.htm">AH=16h</a> - <a href="rb-2779.htm" tppabs="http://www.ctyme.com/intr/rb-2779.htm">AH=3Dh</a> - <a href="rb-3014.htm" tppabs="http://www.ctyme.com/intr/rb-3014.htm">AH=5Ah</a> - <a href="rb-3015.htm" tppabs="http://www.ctyme.com/intr/rb-3015.htm">AH=5Bh</a> - <a href
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<p>
Bitfields for file attributes:
<a name=table1401></a>
Bit(s) Description (Table 01401)
0 read-only
1 hidden
2 system
3 volume label (ignored)
4 reserved, must be zero (directory)
5 archive bit
7 if set, file is shareable under Novell NetWare
</PRE>
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<b>Category: <a href="cat-010.htm" tppabs="http://www.ctyme.com/intr/cat-010.htm">
DOS Kernel</a>
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Int 21h</a>
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