Function NtSetBootOptions 

pub unsafe extern "C" fn NtSetBootOptions(
    BootOptions: PBOOT_OPTIONS,
    FieldsToChange: ULONG,
) -> NTSTATUS

The NtSetBootOptions routine sets the boot options.

Arguments

• BootOptions - A pointer to a BOOT_OPTIONS structure that specifies the new boot options.
• FieldsToChange - A bitmask that specifies which fields in the BOOT_OPTIONS structure are to be changed.

Returns

NTSTATUS Successful or errant status.