rem: install_io_interrupt_handler(InterruptNumber,ServiceRoutine,Context,0);
add: install_io_interrupt_handler(InterruptNumber,(interrupt_handler)ServiceRoutine,Context,0);
context: AcpiOsInstallInterruptHandler (    UINT32                  InterruptNumber,    ACPI_OSD_HANDLER        ServiceRoutine,    void                    *Context){#ifdef _KERNEL_MODE		install_io_interrupt_handler(InterruptNumber,ServiceRoutine,Context,0);		/* It so happens that the Haiku and ACPI-CA interrupt handler routines		   return the same values with the same meanings */#endif    return AE_OK;}