pub const Subsystem = enum(u16) {
    /// An unknown subsystem
    UNKNOWN = 0,

    /// Device drivers and native Windows processes
    NATIVE = 1,

    /// The Windows graphical user interface (GUI) subsystem
    WINDOWS_GUI = 2,

    /// The Windows character subsystem
    WINDOWS_CUI = 3,

    /// The OS/2 character subsystem
    OS2_CUI = 5,

    /// The Posix character subsystem
    POSIX_CUI = 7,

    /// Native Win9x driver
    NATIVE_WINDOWS = 8,

    /// Windows CE
    WINDOWS_CE_GUI = 9,

    /// An Extensible Firmware Interface (EFI) application
    EFI_APPLICATION = 10,

    /// An EFI driver with boot services
    EFI_BOOT_SERVICE_DRIVER = 11,

    /// An EFI driver with run-time services
    EFI_RUNTIME_DRIVER = 12,

    /// An EFI ROM image
    EFI_ROM = 13,

    /// XBOX
    XBOX = 14,

    /// Windows boot application
    WINDOWS_BOOT_APPLICATION = 16,

    _,
}