pub unsafe extern "system" fn DRMGetUnboundLicenseAttribute(
    hqueryroot: u32,
    wszattributetype: PCWSTR,
    iwhich: u32,
    peencoding: *mut DRMENCODINGTYPE,
    pcbuffer: *mut u32,
    pbbuffer: *mut u8
) -> HRESULT
Expand description

Required features: "Win32_Data_RightsManagement"