acpi_drv_warn_kstat_t
acpi_drv_warn_kstat_t kbw;
kbw = *(acpi_drv_warn_kstat_t *)acpi_drv_warn_ksp->ks_data;
acpi_drv_warn_kstat_t *wp = &acpi_drv_warn_kstat;
acpi_drv_warn_kstat_t acpi_drv_warn_kstat = {