Function DRMGetUserInfo
pub unsafe fn DRMGetUserInfo(
huser: u32,
puusernamelength: *mut u32,
wszusername: Option<PWSTR>,
puuseridlength: *mut u32,
wszuserid: Option<PWSTR>,
puuseridtypelength: *mut u32,
wszuseridtype: Option<PWSTR>,
) -> Result<()>