Category: <b>DOS extenders</b>
<br>Flags: available only in protected mode<p>
<pre><b>INT 31 - DPMI 0.9+ - SET DESCRIPTOR</b>

	AX = 000Ch
	BX = LDT selector
	ES:(E)DI -&gt; 8-byte buffer containing descriptor
Return: CF clear if successful
	CF set on error
	    AX = error code (DPMI 1.0+) (8021h,8022h,8025h) (see <a href=../../it/43/31.html>#03143</a>)
Notes:	16-bit programs use ES:DI as pointer, 32-bit must use ES:EDI
	only modify descriptors allocated with INT 31/AX=0000h
	DPMI 1.0+ automatically reloads any segment registers containing the
	  selector being modified
	not supported by MS Windows 3.0 in Standard mode
SeeAlso: AX=000Bh
</pre>