Compatibility: DPMI 1.0+
Expects: AX    0102H
BX    desired new block size, in 16-byte paragraphs
DX    base selector of selector block to free
                                                                  
Returns: CF    NC (clear) if successful
else AX = DPMI Error Code
BX = size of largest available block, in 16-byte pares
                                                                  
Info: Changes the size of a memory block allocated via INT 31H 0100H
(allocate DOS memory block).

Grow requests may fail when DOS memory is fragmented or when
there are no contiguous LDT entries available.

Note: You must not modify the LDT descriptor entry(s) represented by
these DOS-block selectors.  Use INT 31H 0101H to deallocate.

See Also: DPMI API
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INT 31H 0102H: Resize DOS Memory Block