INT 7F - Alloy MW386 - GET PROCESS NUMBER FROM TASK NAME
        AH = E5h
        DS:DX -> ASCIZ task name
        BH = user number
Return: CF clear if successful
            AL = DOS process number
            CL = memory size (00h=128K, 01h=256K, 02h=384K, 03h=512K, 04h=640K)
        CF set on error (no match for name)
SeeAlso: AH=E4h