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Int 31H Function 0003H
Get Selector Increment Value
![[0.9]](../0.9.gif)
The DPMI functions Allocate LDT Descriptors (Int
31H Function 0000H) and Allocate DOS Memory Block (Int 31H Function 0100H) can allocate an array
of contiguous descriptors, but only return a selector for the first
descriptor. The value returned by this function can be used to
calculate the selectors for subsequent descriptors in the array.
Call With
AX = 0003H
Returns
Carry flag = clear (this function always succeeds)
AX = selector increment value
Notes
- The increment value is always a power of two.