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

	AX = 0503h
	BX:CX = new size in bytes (nonzero)
	SI:DI = handle of memory block
Return: CF clear if successful
	    BX:CX = new linear address
	    SI:DI = new handle of memory block
	CF set on error
	    AX = error code (DPMI 1.0+) (8012h-8014h,8016h,8021h,8023h)
		(see <a href=../../it/43/31.html>#03143</a>)
Notes:	any selectors pointing at the block must be updated
	the previous memory block handle becomes invalid
	an error is returned if the new size is 0
SeeAlso: AX=0102h,AX=0501h,AX=0505h
</pre>