Int 31 Fn EE42  - Dos32 V3.0+ - Allocate Memory Block                      [E]

   AX = EE42h
   EDX = size in bytes

Return: CF clear if successful
       EAX = size in bytes
       EDX -> memory block
   CF set on error

Note:  size is rounded off to the next 4KB boundary

See Also: AX=EE40h,AX=EE41h